- disp_xThe x displacement variable
C++ Type:std::vector<VariableName>
Unit:(no unit assumed)
Controllable:No
Description:The x displacement variable
- disp_yThe y displacement variable
C++ Type:std::vector<VariableName>
Unit:(no unit assumed)
Controllable:No
Description:The y displacement variable
- lm_variableThe Lagrange multiplier variable representing the contact pressure.
C++ Type:std::vector<VariableName>
Unit:(no unit assumed)
Controllable:No
Description:The Lagrange multiplier variable representing the contact pressure.
- primary_boundaryThe name of the primary boundary sideset.
C++ Type:BoundaryName
Controllable:No
Description:The name of the primary boundary sideset.
- primary_subdomainThe name of the primary subdomain.
C++ Type:SubdomainName
Controllable:No
Description:The name of the primary subdomain.
- secondary_boundaryThe name of the secondary boundary sideset.
C++ Type:BoundaryName
Controllable:No
Description:The name of the secondary boundary sideset.
- secondary_subdomainThe name of the secondary subdomain.
C++ Type:SubdomainName
Controllable:No
Description:The name of the secondary subdomain.
LMWeightedGapUserObject
Description
The LMWeightedGapUserObject object provides the Lagrange multiplier and interpolation function for the enforcement of mortar mechanical constraints. In essence, the Lagrange multiplier is provided to NormalMortarMechanicalContact to enforce the non-penetration constraint. This object is set up automatically when using the contact action ContactAction
Input Parameters
- aux_lmAuxiliary Lagrange multiplier variable that is utilized together with the Petrov-Galerkin approach.
C++ Type:std::vector<VariableName>
Unit:(no unit assumed)
Controllable:No
Description:Auxiliary Lagrange multiplier variable that is utilized together with the Petrov-Galerkin approach.
- correct_edge_droppingFalseWhether to enable correct edge dropping treatment for mortar constraints. When disabled any Lagrange Multiplier degree of freedom on a secondary element without full primary contributions will be set (strongly) to 0.
Default:False
C++ Type:bool
Controllable:No
Description:Whether to enable correct edge dropping treatment for mortar constraints. When disabled any Lagrange Multiplier degree of freedom on a secondary element without full primary contributions will be set (strongly) to 0.
- debug_meshFalseWhether this constraint is going to enable mortar segment mesh debug information. An exodusfile will be generated if the user sets this flag to true
Default:False
C++ Type:bool
Controllable:No
Description:Whether this constraint is going to enable mortar segment mesh debug information. An exodusfile will be generated if the user sets this flag to true
- disp_zThe z displacement variable
C++ Type:std::vector<VariableName>
Unit:(no unit assumed)
Controllable:No
Description:The z displacement variable
- ghost_higher_d_neighborsFalseWhether we should ghost higher-dimensional neighbors. This is necessary when we are doing second order mortar with finite volume primal variables, because in order for the method to be second order we must use cell gradients, which couples in the neighbor cells.
Default:False
C++ Type:bool
Controllable:No
Description:Whether we should ghost higher-dimensional neighbors. This is necessary when we are doing second order mortar with finite volume primal variables, because in order for the method to be second order we must use cell gradients, which couples in the neighbor cells.
- ghost_point_neighborsFalseWhether we should ghost point neighbors of secondary face elements, and consequently also their mortar interface couples.
Default:False
C++ Type:bool
Controllable:No
Description:Whether we should ghost point neighbors of secondary face elements, and consequently also their mortar interface couples.
- interpolate_normalsFalseWhether to interpolate the nodal normals (e.g. classic idea of evaluating field at quadrature points). If this is set to false, then non-interpolated nodal normals will be used, and then the _normals member should be indexed with _i instead of _qp
Default:False
C++ Type:bool
Controllable:No
Description:Whether to interpolate the nodal normals (e.g. classic idea of evaluating field at quadrature points). If this is set to false, then non-interpolated nodal normals will be used, and then the _normals member should be indexed with _i instead of _qp
- minimum_projection_angle40Parameter to control which angle (in degrees) is admissible for the creation of mortar segments. If set to a value close to zero, very oblique projections are allowed, which can result in mortar segments solving physics not meaningfully, and overprojection of primary nodes onto the mortar segment mesh in extreme cases. This parameter is mostly intended for mortar mesh debugging purposes in two dimensions.
Default:40
C++ Type:double
Unit:(no unit assumed)
Controllable:No
Description:Parameter to control which angle (in degrees) is admissible for the creation of mortar segments. If set to a value close to zero, very oblique projections are allowed, which can result in mortar segments solving physics not meaningfully, and overprojection of primary nodes onto the mortar segment mesh in extreme cases. This parameter is mostly intended for mortar mesh debugging purposes in two dimensions.
- periodicFalseWhether this constraint is going to be used to enforce a periodic condition. This has the effect of changing the normals vector for projection from outward to inward facing
Default:False
C++ Type:bool
Controllable:No
Description:Whether this constraint is going to be used to enforce a periodic condition. This has the effect of changing the normals vector for projection from outward to inward facing
- use_petrov_galerkinFalseWhether to use the Petrov-Galerkin approach.
Default:False
C++ Type:bool
Controllable:No
Description:Whether to use the Petrov-Galerkin approach.
Optional Parameters
- allow_duplicate_execution_on_initialFalseIn the case where this UserObject is depended upon by an initial condition, allow it to be executed twice during the initial setup (once before the IC and again after mesh adaptivity (if applicable).
Default:False
C++ Type:bool
Controllable:No
Description:In the case where this UserObject is depended upon by an initial condition, allow it to be executed twice during the initial setup (once before the IC and again after mesh adaptivity (if applicable).
- execution_order_group0Execution order groups are executed in increasing order (e.g., the lowest number is executed first). Note that negative group numbers may be used to execute groups before the default (0) group. Please refer to the user object documentation for ordering of user object execution within a group.
Default:0
C++ Type:int
Controllable:No
Description:Execution order groups are executed in increasing order (e.g., the lowest number is executed first). Note that negative group numbers may be used to execute groups before the default (0) group. Please refer to the user object documentation for ordering of user object execution within a group.
- force_postauxFalseForces the UserObject to be executed in POSTAUX
Default:False
C++ Type:bool
Controllable:No
Description:Forces the UserObject to be executed in POSTAUX
- force_preauxFalseForces the UserObject to be executed in PREAUX
Default:False
C++ Type:bool
Controllable:No
Description:Forces the UserObject to be executed in PREAUX
- force_preicFalseForces the UserObject to be executed in PREIC during initial setup
Default:False
C++ Type:bool
Controllable:No
Description:Forces the UserObject to be executed in PREIC during initial setup
Execution Scheduling Parameters
- control_tagsAdds user-defined labels for accessing object parameters via control logic.
C++ Type:std::vector<std::string>
Controllable:No
Description:Adds user-defined labels for accessing object parameters via control logic.
- enableTrueSet the enabled status of the MooseObject.
Default:True
C++ Type:bool
Controllable:Yes
Description:Set the enabled status of the MooseObject.
- use_displaced_meshTrueWhether or not this object should use the displaced mesh for computation. Note that in the case this is true but no displacements are provided in the Mesh block the undisplaced mesh will still be used.
Default:True
C++ Type:bool
Controllable:No
Description:Whether or not this object should use the displaced mesh for computation. Note that in the case this is true but no displacements are provided in the Mesh block the undisplaced mesh will still be used.
Advanced Parameters
- prop_getter_suffixAn optional suffix parameter that can be appended to any attempt to retrieve/get material properties. The suffix will be prepended with a '_' character.
C++ Type:MaterialPropertyName
Unit:(no unit assumed)
Controllable:No
Description:An optional suffix parameter that can be appended to any attempt to retrieve/get material properties. The suffix will be prepended with a '_' character.
- use_interpolated_stateFalseFor the old and older state use projected material properties interpolated at the quadrature points. To set up projection use the ProjectedStatefulMaterialStorageAction.
Default:False
C++ Type:bool
Controllable:No
Description:For the old and older state use projected material properties interpolated at the quadrature points. To set up projection use the ProjectedStatefulMaterialStorageAction.
Material Property Retrieval Parameters
Input Files
- (modules/contact/test/tests/bouncing-block-contact/frictionless-weighted-gap-mixed-basis.i)
- (modules/contact/test/tests/simple_contact/two_block_compress/two_equal_blocks_compress_2d.i)
- (modules/contact/test/tests/simple_contact/two_block_compress/two_equal_blocks_compress_2d_pg.i)
- (modules/combined/test/tests/nodal_patch_recovery/npr_with_lower_domains.i)
- (modules/contact/test/tests/3d-mortar-contact/frictionless-mortar-3d.i)
- (modules/contact/test/tests/mortar_aux_kernels/block-dynamics-aux-vel.i)
- (modules/contact/test/tests/sliding_block/edge_dropping/two_equal_blocks_slide_2d.i)
- (modules/contact/test/tests/3d-mortar-contact/frictionless-mortar-3d_pg.i)
- (modules/combined/test/tests/gap_heat_transfer_mortar/small-2d/small.i)
- (modules/combined/test/tests/stateful_mortar_constraints/stateful_mortar_npr.i)
- (modules/contact/test/tests/bouncing-block-contact/frictionless-weighted-gap.i)
- (modules/contact/test/tests/mortar_dynamics/block-dynamics-reference.i)
- (modules/contact/test/tests/simple_contact/two_block_compress/two_equal_blocks_compress_3d.i)
- (modules/combined/test/tests/gap_heat_transfer_mortar/small-2d-rz/small.i)
- (modules/contact/test/tests/bouncing-block-contact/mixed-weighted-gap-swapped.i)
- (modules/contact/test/tests/sliding_block/edge_dropping/two_equal_blocks_slide_3d.i)
- (modules/combined/test/tests/gap_heat_transfer_mortar/finite-2d/finite_rr.i)
- (modules/contact/test/tests/mortar_aux_kernels/block-dynamics-aux-wear.i)
- (modules/contact/test/tests/3d-mortar-contact/frictionless-mortar-3d-test-derivative-trimming.i)
- (modules/combined/test/tests/gap_heat_transfer_mortar/finite-2d/finite.i)
- (modules/contact/test/tests/mortar_dynamics/block-dynamics.i)
- (modules/contact/test/tests/simple_contact/two_block_compress/two_equal_blocks_compress_3d_pg.i)
- (modules/combined/test/tests/gap_heat_transfer_mortar/finite-2d-rz/finite.i)
Child Objects
(modules/contact/test/tests/bouncing-block-contact/frictionless-weighted-gap-mixed-basis.i)
starting_point = 2e-1
offset = 1e-2
[GlobalParams]
displacements = 'disp_x disp_y'
diffusivity = 1e0
scaling = 1e0
[]
[Mesh]
file = long-bottom-block-1elem-blocks.e
second_order = true
patch_update_strategy = always
[]
[Variables]
[./disp_x]
block = '1 2'
order = SECOND
[../]
[./disp_y]
block = '1 2'
order = SECOND
[../]
[./normal_lm]
block = 3
[../]
[]
# [AuxVariables]
# [pid]
# order = CONSTANT
# family = MONOMIAL
# []
# []
# [AuxKernels]
# [pid]
# type = ProcessorIDAux
# variable = pid
# []
# []
[ICs]
[./disp_y]
block = 2
variable = disp_y
value = ${fparse starting_point + offset}
type = ConstantIC
[../]
[]
[Kernels]
[./disp_x]
type = MatDiffusion
variable = disp_x
[../]
[./disp_y]
type = MatDiffusion
variable = disp_y
[../]
[]
[UserObjects]
[weighted_gap_uo]
type = LMWeightedGapUserObject
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
lm_variable = normal_lm
disp_x = disp_x
disp_y = disp_y
[]
[]
[Constraints]
[./weighted_gap_lm]
type = ComputeWeightedGapLMMechanicalContact
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
variable = normal_lm
disp_x = disp_x
disp_y = disp_y
use_displaced_mesh = true
c = 1
weighted_gap_uo = weighted_gap_uo
[../]
[normal_x]
type = NormalMortarMechanicalContact
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
variable = normal_lm
secondary_variable = disp_x
component = x
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[normal_y]
type = NormalMortarMechanicalContact
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
variable = normal_lm
secondary_variable = disp_y
component = y
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[]
[BCs]
[./botx]
type = DirichletBC
variable = disp_x
boundary = 40
value = 0.0
preset = false
[../]
[./boty]
type = DirichletBC
variable = disp_y
boundary = 40
value = 0.0
preset = false
[../]
[./topy]
type = FunctionDirichletBC
variable = disp_y
boundary = 30
function = '${starting_point} * cos(2 * pi / 40 * t) + ${offset}'
preset = false
[../]
[./leftx]
type = FunctionDirichletBC
variable = disp_x
boundary = 50
function = '1e-2 * t'
preset = false
[../]
[]
[Executioner]
type = Transient
end_time = 200
dt = 5
dtmin = .1
solve_type = 'PJFNK'
petsc_options = '-snes_converged_reason -ksp_converged_reason -pc_svd_monitor -snes_linesearch_monitor'
petsc_options_iname = '-pc_type -pc_factor_shift_type -pc_factor_shift_amount -mat_mffd_err'
petsc_options_value = 'lu NONZERO 1e-15 1e-5'
l_max_its = 30
nl_max_its = 20
line_search = 'none'
snesmf_reuse_base = false
abort_on_solve_fail = true
nl_rel_tol = 1e-12
[]
[Debug]
show_var_residual_norms = true
[]
[Outputs]
exodus = true
[]
[Preconditioning]
[./smp]
type = SMP
full = true
[../]
[]
[Postprocessors]
active = 'num_nl cumulative contact'
[./num_nl]
type = NumNonlinearIterations
[../]
[./cumulative]
type = CumulativeValuePostprocessor
postprocessor = num_nl
[../]
[contact]
type = ContactDOFSetSize
variable = normal_lm
subdomain = '3'
execute_on = 'nonlinear timestep_end'
[]
[]
(modules/contact/test/tests/simple_contact/two_block_compress/two_equal_blocks_compress_2d.i)
[GlobalParams]
displacements = 'disp_x disp_y'
volumetric_locking_correction = true
[]
[Mesh]
[left_block]
type = GeneratedMeshGenerator
dim = 2
xmin = -1.0
xmax = 0.0
ymin = -0.5
ymax = 0.5
nx = 4
ny = 4
elem_type = QUAD4
[]
[left_block_sidesets]
type = RenameBoundaryGenerator
input = left_block
old_boundary = '0 1 2 3'
new_boundary = '10 11 12 13'
[]
[left_block_id]
type = SubdomainIDGenerator
input = left_block_sidesets
subdomain_id = 1
[]
[right_block]
type = GeneratedMeshGenerator
dim = 2
xmin = 0.0
xmax = 1.0
ymin = -0.5
ymax = 0.5
nx = 5
ny = 5
elem_type = QUAD4
[]
[right_block_sidesets]
type = RenameBoundaryGenerator
input = right_block
old_boundary = '0 1 2 3'
new_boundary = '20 21 22 23'
[]
[right_block_id]
type = SubdomainIDGenerator
input = right_block_sidesets
subdomain_id = 2
[]
[combined_mesh]
type = MeshCollectionGenerator
inputs = 'left_block_id right_block_id'
[]
[left_lower]
type = LowerDBlockFromSidesetGenerator
input = combined_mesh
sidesets = '11'
new_block_id = '10001'
new_block_name = 'secondary_lower'
[]
[right_lower]
type = LowerDBlockFromSidesetGenerator
input = left_lower
sidesets = '23'
new_block_id = '10000'
new_block_name = 'primary_lower'
[]
[]
[Variables]
[normal_lm]
block = 'secondary_lower'
use_dual = true
[]
[]
[Physics/SolidMechanics/QuasiStatic]
[all]
strain = FINITE
incremental = true
add_variables = true
block = '1 2'
[]
[]
[Functions]
[horizontal_movement]
type = PiecewiseLinear
x = '0 1.0'
y = '0 0.4'
[]
[vertical_movement]
type = PiecewiseLinear
x = '0 1.0'
y = '0 0'
[]
[]
[BCs]
[push_left_x]
type = FunctionDirichletBC
variable = disp_x
boundary = 13
function = horizontal_movement
[]
[fix_right_x]
type = DirichletBC
variable = disp_x
boundary = 21
value = 0.0
[]
[fix_right_y]
type = DirichletBC
variable = disp_y
boundary = 21
value = 0.0
[]
[push_left_y]
type = FunctionDirichletBC
variable = disp_y
boundary = 13
function = vertical_movement
[]
[]
[Materials]
[elasticity_tensor_left]
type = ComputeIsotropicElasticityTensor
block = 1
youngs_modulus = 1.0e6
poissons_ratio = 0.3
[]
[stress_left]
type = ComputeFiniteStrainElasticStress
block = 1
[]
[elasticity_tensor_right]
type = ComputeIsotropicElasticityTensor
block = 2
youngs_modulus = 1.0e6
poissons_ratio = 0.3
[]
[stress_right]
type = ComputeFiniteStrainElasticStress
block = 2
[]
[]
[UserObjects]
[weighted_gap_uo]
type = LMWeightedGapUserObject
primary_boundary = '23'
secondary_boundary = '11'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
correct_edge_dropping = true
lm_variable = normal_lm
disp_x = disp_x
disp_y = disp_y
[]
[]
[Constraints]
[normal_lm]
type = ComputeWeightedGapLMMechanicalContact
primary_boundary = '23'
secondary_boundary = '11'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = normal_lm
disp_x = disp_x
disp_y = disp_y
use_displaced_mesh = true
correct_edge_dropping = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_x]
type = NormalMortarMechanicalContact
primary_boundary = '23'
secondary_boundary = '11'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = normal_lm
secondary_variable = disp_x
component = x
use_displaced_mesh = true
compute_lm_residuals = false
correct_edge_dropping = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_y]
type = NormalMortarMechanicalContact
primary_boundary = '23'
secondary_boundary = '11'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = normal_lm
secondary_variable = disp_y
component = y
use_displaced_mesh = true
compute_lm_residuals = false
correct_edge_dropping = true
weighted_gap_uo = weighted_gap_uo
[]
[]
[Preconditioning]
[SMP]
type = SMP
full = true
[]
[]
[Executioner]
type = Transient
solve_type = 'PJFNK'
petsc_options_iname = '-pc_type -pc_factor_mat_solver_type -pc_factor_shift_type '
'-pc_factor_shift_amount'
petsc_options_value = 'lu superlu_dist nonzero 1e-10'
line_search = 'none'
dt = 0.1
dtmin = 0.01
end_time = 1.0
l_max_its = 20
nl_max_its = 20
nl_rel_tol = 1e-8
nl_abs_tol = 1e-10
[]
[Outputs]
csv = true
execute_on = 'FINAL'
[]
[Postprocessors]
[contact]
type = ContactDOFSetSize
variable = normal_lm
subdomain = 'secondary_lower'
[]
[normal_lm]
type = ElementAverageValue
variable = normal_lm
block = 'secondary_lower'
[]
[avg_disp_x]
type = ElementAverageValue
variable = disp_x
block = '1 2'
[]
[avg_disp_y]
type = ElementAverageValue
variable = disp_y
block = '1 2'
[]
[max_disp_x]
type = ElementExtremeValue
variable = disp_x
block = '1 2'
[]
[max_disp_y]
type = ElementExtremeValue
variable = disp_y
block = '1 2'
[]
[min_disp_x]
type = ElementExtremeValue
variable = disp_x
block = '1 2'
value_type = min
[]
[min_disp_y]
type = ElementExtremeValue
variable = disp_y
block = '1 2'
value_type = min
[]
[]
(modules/contact/test/tests/simple_contact/two_block_compress/two_equal_blocks_compress_2d_pg.i)
[GlobalParams]
displacements = 'disp_x disp_y'
volumetric_locking_correction = true
[]
[Mesh]
[left_block]
type = GeneratedMeshGenerator
dim = 2
xmin = -1.0
xmax = 0.0
ymin = -0.5
ymax = 0.5
nx = 4
ny = 4
elem_type = QUAD4
[]
[left_block_sidesets]
type = RenameBoundaryGenerator
input = left_block
old_boundary = '0 1 2 3'
new_boundary = '10 11 12 13'
[]
[left_block_id]
type = SubdomainIDGenerator
input = left_block_sidesets
subdomain_id = 1
[]
[right_block]
type = GeneratedMeshGenerator
dim = 2
xmin = 0.0
xmax = 1.0
ymin = -0.5
ymax = 0.5
nx = 5
ny = 5
elem_type = QUAD4
[]
[right_block_sidesets]
type = RenameBoundaryGenerator
input = right_block
old_boundary = '0 1 2 3'
new_boundary = '20 21 22 23'
[]
[right_block_id]
type = SubdomainIDGenerator
input = right_block_sidesets
subdomain_id = 2
[]
[combined_mesh]
type = MeshCollectionGenerator
inputs = 'left_block_id right_block_id'
[]
[left_lower]
type = LowerDBlockFromSidesetGenerator
input = combined_mesh
sidesets = '11'
new_block_id = '10001'
new_block_name = 'secondary_lower'
[]
[right_lower]
type = LowerDBlockFromSidesetGenerator
input = left_lower
sidesets = '23'
new_block_id = '10000'
new_block_name = 'primary_lower'
[]
[]
[Variables]
[normal_lm]
block = 'secondary_lower'
use_dual = true
[]
[]
[AuxVariables]
[aux_lm]
block = 'secondary_lower'
use_dual = false
[]
[]
[Physics/SolidMechanics/QuasiStatic]
[all]
strain = FINITE
incremental = true
add_variables = true
block = '1 2'
[]
[]
[Functions]
[horizontal_movement]
type = PiecewiseLinear
x = '0 1.0'
y = '0 0.4'
[]
[vertical_movement]
type = PiecewiseLinear
x = '0 1.0'
y = '0 0'
[]
[]
[BCs]
[push_left_x]
type = FunctionDirichletBC
variable = disp_x
boundary = 13
function = horizontal_movement
[]
[fix_right_x]
type = DirichletBC
variable = disp_x
boundary = 21
value = 0.0
[]
[fix_right_y]
type = DirichletBC
variable = disp_y
boundary = 21
value = 0.0
[]
[push_left_y]
type = FunctionDirichletBC
variable = disp_y
boundary = 13
function = vertical_movement
[]
[]
[Materials]
[elasticity_tensor_left]
type = ComputeIsotropicElasticityTensor
block = 1
youngs_modulus = 1.0e6
poissons_ratio = 0.3
[]
[stress_left]
type = ComputeFiniteStrainElasticStress
block = 1
[]
[elasticity_tensor_right]
type = ComputeIsotropicElasticityTensor
block = 2
youngs_modulus = 1.0e6
poissons_ratio = 0.3
[]
[stress_right]
type = ComputeFiniteStrainElasticStress
block = 2
[]
[]
[UserObjects]
[weighted_gap_uo]
type = LMWeightedGapUserObject
primary_boundary = '23'
secondary_boundary = '11'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
correct_edge_dropping = true
lm_variable = normal_lm
disp_x = disp_x
disp_y = disp_y
use_petrov_galerkin = true
aux_lm = aux_lm
[]
[]
[Constraints]
[normal_lm]
type = ComputeWeightedGapLMMechanicalContact
primary_boundary = '23'
secondary_boundary = '11'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = normal_lm
disp_x = disp_x
disp_y = disp_y
use_displaced_mesh = true
correct_edge_dropping = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_x]
type = NormalMortarMechanicalContact
primary_boundary = '23'
secondary_boundary = '11'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = normal_lm
secondary_variable = disp_x
component = x
use_displaced_mesh = true
compute_lm_residuals = false
correct_edge_dropping = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_y]
type = NormalMortarMechanicalContact
primary_boundary = '23'
secondary_boundary = '11'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = normal_lm
secondary_variable = disp_y
component = y
use_displaced_mesh = true
compute_lm_residuals = false
correct_edge_dropping = true
weighted_gap_uo = weighted_gap_uo
[]
[]
[Preconditioning]
[SMP]
type = SMP
full = true
[]
[]
[Executioner]
type = Transient
solve_type = 'PJFNK'
petsc_options_iname = '-pc_type -pc_factor_mat_solver_type -pc_factor_shift_type '
'-pc_factor_shift_amount'
petsc_options_value = 'lu superlu_dist nonzero 1e-10'
line_search = 'none'
dt = 0.1
dtmin = 0.01
end_time = 1.0
l_max_its = 20
nl_max_its = 20
nl_rel_tol = 1e-8
nl_abs_tol = 1e-10
[]
[Outputs]
csv = true
execute_on = 'FINAL'
[]
[Postprocessors]
[contact]
type = ContactDOFSetSize
variable = normal_lm
subdomain = 'secondary_lower'
[]
[normal_lm]
type = ElementAverageValue
variable = normal_lm
block = 'secondary_lower'
[]
[avg_disp_x]
type = ElementAverageValue
variable = disp_x
block = '1 2'
[]
[avg_disp_y]
type = ElementAverageValue
variable = disp_y
block = '1 2'
[]
[max_disp_x]
type = ElementExtremeValue
variable = disp_x
block = '1 2'
[]
[max_disp_y]
type = ElementExtremeValue
variable = disp_y
block = '1 2'
[]
[min_disp_x]
type = ElementExtremeValue
variable = disp_x
block = '1 2'
value_type = min
[]
[min_disp_y]
type = ElementExtremeValue
variable = disp_y
block = '1 2'
value_type = min
[]
[]
(modules/combined/test/tests/nodal_patch_recovery/npr_with_lower_domains.i)
E_block = 1e7
E_plank = 1e7
elem = QUAD4
order = FIRST
[Mesh]
patch_size = 80
patch_update_strategy = auto
[plank]
type = GeneratedMeshGenerator
dim = 2
xmin = -0.3
xmax = 0.3
ymin = -10
ymax = 10
nx = 2
ny = 67
elem_type = ${elem}
boundary_name_prefix = plank
[]
[plank_id]
type = SubdomainIDGenerator
input = plank
subdomain_id = 1
[]
[block]
type = GeneratedMeshGenerator
dim = 2
xmin = 0.31
xmax = 0.91
ymin = 7.7
ymax = 8.5
nx = 3
ny = 4
elem_type = ${elem}
boundary_name_prefix = block
boundary_id_offset = 10
[]
[block_id]
type = SubdomainIDGenerator
input = block
subdomain_id = 2
[]
[combined]
type = MeshCollectionGenerator
inputs = 'plank_id block_id'
[]
[block_rename]
type = RenameBlockGenerator
input = combined
old_block = '1 2'
new_block = 'plank block'
[]
[secondary]
input = block_rename
type = LowerDBlockFromSidesetGenerator
sidesets = 'block_left'
new_block_id = '30'
new_block_name = 'frictionless_secondary_subdomain'
[]
[primary]
input = secondary
type = LowerDBlockFromSidesetGenerator
sidesets = 'plank_right'
new_block_id = '20'
new_block_name = 'frictionless_primary_subdomain'
[]
[]
[GlobalParams]
displacements = 'disp_x disp_y'
[]
[Variables]
[disp_x]
order = ${order}
block = 'plank block'
scaling = '${fparse 2.0 / (E_plank + E_block)}'
[]
[disp_y]
order = ${order}
block = 'plank block'
scaling = '${fparse 2.0 / (E_plank + E_block)}'
[]
[temp]
order = ${order}
block = 'plank block'
scaling = 1e-1
[]
[thermal_lm]
order = ${order}
block = 'frictionless_secondary_subdomain'
scaling = 1e-7
[]
[frictionless_normal_lm]
order = ${order}
block = 'frictionless_secondary_subdomain'
use_dual = true
[]
[]
[AuxVariables]
[stress_xx]
order = FIRST
family = MONOMIAL
block = 'plank block'
[]
[stress_yy]
order = FIRST
family = MONOMIAL
block = 'plank block'
[]
[stress_xx_recovered]
order = FIRST
family = LAGRANGE
block = 'plank block'
[]
[stress_yy_recovered]
order = FIRST
family = LAGRANGE
block = 'plank block'
[]
[]
[AuxKernels]
[stress_xx]
type = RankTwoAux
rank_two_tensor = stress
variable = stress_xx
index_i = 0
index_j = 0
execute_on = 'timestep_end'
block = 'plank block'
[]
[stress_yy]
type = RankTwoAux
rank_two_tensor = stress
variable = stress_yy
index_i = 1
index_j = 1
execute_on = 'timestep_end'
block = 'plank block'
[]
[stress_xx_recovered]
type = NodalPatchRecoveryAux
variable = stress_xx_recovered
nodal_patch_recovery_uo = stress_xx_patch
execute_on = 'TIMESTEP_END'
block = 'plank block'
[]
[stress_yy_recovered]
type = NodalPatchRecoveryAux
variable = stress_yy_recovered
nodal_patch_recovery_uo = stress_yy_patch
execute_on = 'TIMESTEP_END'
block = 'plank block'
[]
[]
[Physics/SolidMechanics/QuasiStatic]
[action]
generate_output = 'stress_zz vonmises_stress hydrostatic_stress strain_xx strain_yy strain_zz'
block = 'plank block'
use_automatic_differentiation = false
strain = FINITE
[]
[]
[Kernels]
[hc]
type = HeatConduction
variable = temp
use_displaced_mesh = true
block = 'plank block'
[]
[]
[UserObjects]
[weighted_gap_uo]
type = LMWeightedGapUserObject
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
lm_variable = frictionless_normal_lm
disp_x = disp_x
disp_y = disp_y
[]
[stress_xx_patch]
type = NodalPatchRecoveryMaterialProperty
patch_polynomial_order = FIRST
property = 'stress'
component = '0 0'
execute_on = 'NONLINEAR TIMESTEP_END'
block = 'plank block'
[]
[stress_yy_patch]
type = NodalPatchRecoveryMaterialProperty
patch_polynomial_order = FIRST
property = 'stress'
component = '1 1'
execute_on = 'NONLINEAR TIMESTEP_END'
block = 'plank block'
[]
[]
[Constraints]
[weighted_gap_lm]
type = ComputeWeightedGapLMMechanicalContact
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
variable = frictionless_normal_lm
disp_x = disp_x
disp_y = disp_y
use_displaced_mesh = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_x]
type = NormalMortarMechanicalContact
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
variable = frictionless_normal_lm
secondary_variable = disp_x
component = x
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[normal_y]
type = NormalMortarMechanicalContact
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
variable = frictionless_normal_lm
secondary_variable = disp_y
component = y
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[thermal_contact]
type = GapConductanceConstraint
variable = thermal_lm
secondary_variable = temp
k = 1
use_displaced_mesh = true
primary_boundary = plank_right
primary_subdomain = frictionless_primary_subdomain
secondary_boundary = block_left
secondary_subdomain = frictionless_secondary_subdomain
displacements = 'disp_x disp_y'
[]
[]
[BCs]
[left_temp]
type = DirichletBC
variable = temp
boundary = 'plank_left'
value = 400
[]
[right_temp]
type = DirichletBC
variable = temp
boundary = 'block_right'
value = 300
[]
[left_x]
type = DirichletBC
variable = disp_x
boundary = plank_left
value = 0.0
[]
[left_y]
type = DirichletBC
variable = disp_y
boundary = plank_bottom
value = 0.0
[]
[right_x]
type = FunctionDirichletBC
variable = disp_x
boundary = block_right
function = '-0.04*sin(4*(t+1.5))+0.02'
preset = false
[]
[right_y]
type = FunctionDirichletBC
variable = disp_y
boundary = block_right
function = '-t'
preset = false
[]
[]
[Materials]
[plank]
type = ComputeIsotropicElasticityTensor
block = 'plank'
poissons_ratio = 0.3
youngs_modulus = ${E_plank}
[]
[block]
type = ComputeIsotropicElasticityTensor
block = 'block'
poissons_ratio = 0.3
youngs_modulus = ${E_block}
[]
[stress]
type = ComputeFiniteStrainElasticStress
block = 'plank block'
[]
[heat_plank]
type = HeatConductionMaterial
block = plank
thermal_conductivity = 2
specific_heat = 1
[]
[heat_block]
type = HeatConductionMaterial
block = block
thermal_conductivity = 1
specific_heat = 1
[]
[]
[Executioner]
type = Transient
solve_type = 'NEWTON'
petsc_options = '-snes_converged_reason -ksp_converged_reason'
petsc_options_iname = '-pc_type -pc_factor_shift_type -pc_factor_shift_amount -snes_max_it'
petsc_options_value = 'lu NONZERO 1e-15 20'
end_time = 0.4
dt = 0.1
dtmin = 0.1
timestep_tolerance = 1e-6
line_search = 'none'
[]
[Postprocessors]
[nl_its]
type = NumNonlinearIterations
[]
[total_nl_its]
type = CumulativeValuePostprocessor
postprocessor = nl_its
[]
[l_its]
type = NumLinearIterations
[]
[total_l_its]
type = CumulativeValuePostprocessor
postprocessor = l_its
[]
[contact]
type = ContactDOFSetSize
variable = frictionless_normal_lm
subdomain = frictionless_secondary_subdomain
[]
[avg_hydro]
type = ElementAverageValue
variable = hydrostatic_stress
block = 'block'
[]
[avg_temp]
type = ElementAverageValue
variable = temp
block = 'block'
[]
[max_hydro]
type = ElementExtremeValue
variable = hydrostatic_stress
block = 'block'
[]
[min_hydro]
type = ElementExtremeValue
variable = hydrostatic_stress
block = 'block'
value_type = min
[]
[avg_vonmises]
type = ElementAverageValue
variable = vonmises_stress
block = 'block'
[]
[max_vonmises]
type = ElementExtremeValue
variable = vonmises_stress
block = 'block'
[]
[min_vonmises]
type = ElementExtremeValue
variable = vonmises_stress
block = 'block'
value_type = min
[]
[stress_xx_recovered]
type = ElementExtremeValue
variable = stress_xx_recovered
block = 'block'
value_type = max
[]
[stress_yy_recovered]
type = ElementExtremeValue
variable = stress_yy_recovered
block = 'block'
value_type = max
[]
[]
[Outputs]
exodus = true
[comp]
type = CSV
show = 'contact avg_temp'
[]
[out]
type = CSV
[]
[dof]
type = DOFMap
execute_on = 'initial'
[]
[]
[Debug]
show_var_residual_norms = true
[]
(modules/contact/test/tests/3d-mortar-contact/frictionless-mortar-3d.i)
starting_point = 0.25
offset = 0.00
[GlobalParams]
displacements = 'disp_x disp_y disp_z'
diffusivity = 1e0
scaling = 1e0
[]
[Mesh]
second_order = false
[top_block]
type = GeneratedMeshGenerator
dim = 3
nx = 3
ny = 3
nz = 3
xmin = -0.25
xmax = 0.25
ymin = -0.25
ymax = 0.25
zmin = -0.25
zmax = 0.25
elem_type = HEX8
[]
[rotate_top_block]
type = TransformGenerator
input = top_block
transform = ROTATE
vector_value = '0 0 0'
[]
[top_block_sidesets]
type = RenameBoundaryGenerator
input = rotate_top_block
old_boundary = '0 1 2 3 4 5'
new_boundary = 'top_bottom top_back top_right top_front top_left top_top'
[]
[top_block_id]
type = SubdomainIDGenerator
input = top_block_sidesets
subdomain_id = 1
[]
[bottom_block]
type = GeneratedMeshGenerator
dim = 3
nx = 10
ny = 10
nz = 2
xmin = -.5
xmax = .5
ymin = -.5
ymax = .5
zmin = -.3
zmax = -.25
elem_type = HEX8
[]
[bottom_block_id]
type = SubdomainIDGenerator
input = bottom_block
subdomain_id = 2
[]
[bottom_block_change_boundary_id]
type = RenameBoundaryGenerator
input = bottom_block_id
old_boundary = '0 1 2 3 4 5'
new_boundary = '100 101 102 103 104 105'
[]
[combined]
type = MeshCollectionGenerator
inputs = 'top_block_id bottom_block_change_boundary_id'
[]
[block_rename]
type = RenameBlockGenerator
input = combined
old_block = '1 2'
new_block = 'top_block bottom_block'
[]
[bottom_right_sideset]
type = SideSetsAroundSubdomainGenerator
input = block_rename
new_boundary = bottom_right
block = bottom_block
normal = '1 0 0'
[]
[bottom_left_sideset]
type = SideSetsAroundSubdomainGenerator
input = bottom_right_sideset
new_boundary = bottom_left
block = bottom_block
normal = '-1 0 0'
[]
[bottom_top_sideset]
type = SideSetsAroundSubdomainGenerator
input = bottom_left_sideset
new_boundary = bottom_top
block = bottom_block
normal = '0 0 1'
[]
[bottom_bottom_sideset]
type = SideSetsAroundSubdomainGenerator
input = bottom_top_sideset
new_boundary = bottom_bottom
block = bottom_block
normal = '0 0 -1'
[]
[bottom_front_sideset]
type = SideSetsAroundSubdomainGenerator
input = bottom_bottom_sideset
new_boundary = bottom_front
block = bottom_block
normal = '0 1 0'
[]
[bottom_back_sideset]
type = SideSetsAroundSubdomainGenerator
input = bottom_front_sideset
new_boundary = bottom_back
block = bottom_block
normal = '0 -1 0'
[]
[secondary]
input = bottom_back_sideset
type = LowerDBlockFromSidesetGenerator
sidesets = 'top_bottom' # top_back top_left'
new_block_id = '10001'
new_block_name = 'secondary_lower'
[]
[primary]
input = secondary
type = LowerDBlockFromSidesetGenerator
sidesets = 'bottom_top'
new_block_id = '10000'
new_block_name = 'primary_lower'
[]
[]
[Variables]
[disp_x]
block = '1 2'
[]
[disp_y]
block = '1 2'
[]
[disp_z]
block = '1 2'
[]
[mortar_normal_lm]
block = 'secondary_lower'
use_dual = true
[]
[]
[ICs]
[disp_z]
block = 1
variable = disp_z
value = '${fparse offset}'
type = ConstantIC
[]
[disp_x]
block = 1
variable = disp_x
value = 0
type = ConstantIC
[]
[disp_y]
block = 1
variable = disp_y
value = 0
type = ConstantIC
[]
[]
[Kernels]
[disp_x]
type = MatDiffusion
variable = disp_x
[]
[disp_y]
type = MatDiffusion
variable = disp_y
[]
[disp_z]
type = MatDiffusion
variable = disp_z
[]
[]
[UserObjects]
[weighted_gap_uo]
type = LMWeightedGapUserObject
primary_boundary = 'bottom_top'
secondary_boundary = 'top_bottom'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
lm_variable = mortar_normal_lm
disp_x = disp_x
disp_y = disp_y
disp_z = disp_z
[]
[]
[Constraints]
[normal_lm]
type = ComputeWeightedGapLMMechanicalContact
primary_boundary = 'bottom_top'
secondary_boundary = 'top_bottom'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = mortar_normal_lm
disp_x = disp_x
disp_y = disp_y
disp_z = disp_z
use_displaced_mesh = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_x]
type = NormalMortarMechanicalContact
primary_boundary = 'bottom_top'
secondary_boundary = 'top_bottom'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = mortar_normal_lm
secondary_variable = disp_x
component = x
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[normal_y]
type = NormalMortarMechanicalContact
primary_boundary = 'bottom_top'
secondary_boundary = 'top_bottom'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = mortar_normal_lm
secondary_variable = disp_y
component = y
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[normal_z]
type = NormalMortarMechanicalContact
primary_boundary = 'bottom_top'
secondary_boundary = 'top_bottom'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = mortar_normal_lm
secondary_variable = disp_z
component = z
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[]
[BCs]
[botx]
type = DirichletBC
variable = disp_x
boundary = 'bottom_left bottom_right bottom_front bottom_back'
value = 0.0
[]
[boty]
type = DirichletBC
variable = disp_y
boundary = 'bottom_left bottom_right bottom_front bottom_back'
value = 0.0
[]
[botz]
type = DirichletBC
variable = disp_z
boundary = 'bottom_left bottom_right bottom_front bottom_back'
value = 0.0
[]
[topx]
type = DirichletBC
variable = disp_x
boundary = 'top_top'
value = 0.0
[]
[topy]
type = DirichletBC
variable = disp_y
boundary = 'top_top'
value = 0.0
[]
[topz]
type = FunctionDirichletBC
variable = disp_z
boundary = 'top_top'
function = '-${starting_point} * sin(2 * pi / 40 * t) + ${offset}'
[]
[]
[Executioner]
type = Transient
end_time = 1
dt = .5
dtmin = .01
solve_type = 'PJFNK'
petsc_options = '-snes_converged_reason -ksp_converged_reason -pc_svd_monitor '
'-snes_linesearch_monitor'
petsc_options_iname = '-pc_type -pc_factor_mat_solver_type -pc_factor_shift_type -pc_factor_shift_amount -mat_mffd_err'
petsc_options_value = 'lu superlu_dist NONZERO 1e-15 1e-5'
l_max_its = 100
nl_max_its = 30
# nl_rel_tol = 1e-6
nl_abs_tol = 1e-12
line_search = 'none'
snesmf_reuse_base = false
[]
[Debug]
show_var_residual_norms = true
[]
[Outputs]
exodus = true
csv = true
[]
[Preconditioning]
[smp]
type = SMP
full = true
[]
[]
[Postprocessors]
active = 'num_nl cumulative contact'
[num_nl]
type = NumNonlinearIterations
[]
[cumulative]
type = CumulativeValuePostprocessor
postprocessor = num_nl
[]
[contact]
type = ContactDOFSetSize
variable = mortar_normal_lm
subdomain = 'secondary_lower'
execute_on = 'nonlinear timestep_end'
[]
[]
[VectorPostprocessors]
[contact-pressure]
type = NodalValueSampler
block = secondary_lower
variable = mortar_normal_lm
sort_by = 'id'
execute_on = NONLINEAR
[]
[]
(modules/contact/test/tests/mortar_aux_kernels/block-dynamics-aux-vel.i)
starting_point = 2e-1
offset = -0.19
[GlobalParams]
displacements = 'disp_x disp_y'
[]
[Mesh]
file = long-bottom-block-1elem-blocks.e
[]
[Variables]
[disp_x]
block = '1 2'
[]
[disp_y]
block = '1 2'
[]
[normal_lm]
block = 3
use_dual = true
[]
[]
[ICs]
[disp_y]
block = 2
variable = disp_y
value = '${fparse starting_point + offset}'
type = ConstantIC
[]
[]
[Kernels]
[DynamicTensorMechanics]
displacements = 'disp_x disp_y'
generate_output = 'stress_xx stress_yy'
strain = FINITE
block = '1 2'
stiffness_damping_coefficient = 1.0
hht_alpha = 0.0
[]
[inertia_x]
type = InertialForce
variable = disp_x
velocity = vel_x
acceleration = accel_x
beta = 0.25
gamma = 0.5
alpha = 0
eta = 0.0
block = '1 2'
[]
[inertia_y]
type = InertialForce
variable = disp_y
velocity = vel_y
acceleration = accel_y
beta = 0.25
gamma = 0.5
alpha = 0
eta = 0.0
block = '1 2'
[]
[]
[Materials]
[elasticity_2]
type = ComputeIsotropicElasticityTensor
block = '2'
youngs_modulus = 1e6
poissons_ratio = 0.3
[]
[elasticity_1]
type = ComputeIsotropicElasticityTensor
block = '1'
youngs_modulus = 1e8
poissons_ratio = 0.3
[]
[stress]
type = ComputeFiniteStrainElasticStress
block = '1 2'
[]
[strain]
type = ComputeFiniteStrain
block = '1 2'
[]
[density]
type = GenericConstantMaterial
block = '1 2'
prop_names = 'density'
prop_values = '7750'
[]
[]
[AuxVariables]
[gap_vel]
block = '3'
[]
[vel_x]
block = '1 2'
[]
[accel_x]
block = '1 2'
[]
[vel_y]
block = '1 2'
[]
[accel_y]
block = '1 2'
[]
[vel_z]
block = '1 2'
[]
[accel_z]
block = '1 2'
[]
[]
[AuxKernels]
[gap_vel]
type = WeightedGapVelAux
variable = gap_vel
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
disp_x = disp_x
disp_y = disp_y
correct_edge_dropping = true
execute_on = 'TIMESTEP_END'
[]
[accel_x]
type = NewmarkAccelAux
variable = accel_x
displacement = disp_x
velocity = vel_x
beta = 0.25
execute_on = 'linear timestep_end'
[]
[vel_x]
type = NewmarkVelAux
variable = vel_x
acceleration = accel_x
gamma = 0.5
execute_on = 'linear timestep_end'
[]
[accel_y]
type = NewmarkAccelAux
variable = accel_y
displacement = disp_y
velocity = vel_y
beta = 0.25
execute_on = 'linear timestep_end'
[]
[vel_y]
type = NewmarkVelAux
variable = vel_y
acceleration = accel_y
gamma = 0.5
execute_on = 'linear timestep_end'
[]
[]
[UserObjects]
[weighted_gap_uo]
type = LMWeightedGapUserObject
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
lm_variable = normal_lm
disp_x = disp_x
disp_y = disp_y
[]
[]
[Constraints]
[weighted_gap_lm]
type = ComputeDynamicWeightedGapLMMechanicalContact
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
variable = normal_lm
disp_x = disp_x
disp_y = disp_y
use_displaced_mesh = true
c = 1e4
capture_tolerance = 1.0e-5
newmark_beta = 0.25
newmark_gamma = 0.5
[]
[normal_x]
type = NormalMortarMechanicalContact
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
variable = normal_lm
secondary_variable = disp_x
component = x
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[normal_y]
type = NormalMortarMechanicalContact
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
variable = normal_lm
secondary_variable = disp_y
component = y
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[]
[BCs]
[botx]
type = DirichletBC
variable = disp_x
boundary = 40
value = 0.0
[]
[boty]
type = DirichletBC
variable = disp_y
boundary = 40
value = 0.0
[]
[topy]
type = FunctionDirichletBC
variable = disp_y
boundary = 30
function = '${starting_point} * cos(2 * pi / 4 * t) + ${offset}'
[]
[leftx]
type = FunctionDirichletBC
variable = disp_x
boundary = 50
function = '1e-2 * t'
[]
[]
[Executioner]
type = Transient
end_time = 0.1
dt = 0.05
dtmin = 0.05
solve_type = 'PJFNK'
petsc_options = '-snes_converged_reason -ksp_converged_reason -pc_svd_monitor '
'-snes_linesearch_monitor -snes_ksp_ew'
petsc_options_iname = '-pc_type -pc_factor_mat_solver_type -pc_factor_shift_type -pc_factor_shift_amount -mat_mffd_err '
petsc_options_value = 'lu superlu_dist NONZERO 1e-15 1e-5'
nl_max_its = 20
line_search = 'none'
snesmf_reuse_base = false
[TimeIntegrator]
type = NewmarkBeta
beta = 0.25
gamma = 0.5
[]
[]
[Debug]
show_var_residual_norms = true
[]
[Outputs]
exodus = true
checkpoint = true
[]
[Preconditioning]
[smp]
type = SMP
full = true
[]
[]
[Postprocessors]
active = 'num_nl cumulative contact'
[num_nl]
type = NumNonlinearIterations
[]
[cumulative]
type = CumulativeValuePostprocessor
postprocessor = num_nl
[]
[contact]
type = ContactDOFSetSize
variable = normal_lm
subdomain = '3'
execute_on = 'nonlinear timestep_end'
[]
[]
(modules/contact/test/tests/sliding_block/edge_dropping/two_equal_blocks_slide_2d.i)
[GlobalParams]
displacements = 'disp_x disp_y'
volumetric_locking_correction = true
[]
[Mesh]
[left_block]
type = GeneratedMeshGenerator
dim = 2
xmin = -1.0
xmax = 0.0
ymin = -0.5
ymax = 0.5
nx = 4
ny = 4
elem_type = QUAD4
[]
[left_block_sidesets]
type = RenameBoundaryGenerator
input = left_block
old_boundary = '0 1 2 3'
new_boundary = '10 11 12 13'
[]
[left_block_id]
type = SubdomainIDGenerator
input = left_block_sidesets
subdomain_id = 1
[]
[right_block]
type = GeneratedMeshGenerator
dim = 2
xmin = 0.0
xmax = 1.0
ymin = -0.5
ymax = 0.5
nx = 5
ny = 5
elem_type = QUAD4
[]
[right_block_sidesets]
type = RenameBoundaryGenerator
input = right_block
old_boundary = '0 1 2 3'
new_boundary = '20 21 22 23'
[]
[right_block_id]
type = SubdomainIDGenerator
input = right_block_sidesets
subdomain_id = 2
[]
[combined_mesh]
type = MeshCollectionGenerator
inputs = 'left_block_id right_block_id'
[]
[left_lower]
type = LowerDBlockFromSidesetGenerator
input = combined_mesh
sidesets = '11'
new_block_id = '10001'
new_block_name = 'secondary_lower'
[]
[right_lower]
type = LowerDBlockFromSidesetGenerator
input = left_lower
sidesets = '23'
new_block_id = '10000'
new_block_name = 'primary_lower'
[]
[]
[Variables]
[normal_lm]
block = 'secondary_lower'
use_dual = true
[]
[]
[Physics/SolidMechanics/QuasiStatic]
[all]
strain = FINITE
incremental = true
add_variables = true
block = '1 2'
[]
[]
[Functions]
[horizontal_movement]
type = PiecewiseLinear
x = '0 0.1 4'
y = '0 0.05 0.05'
[]
[vertical_movement]
type = PiecewiseLinear
x = '0 0.1 4'
y = '0 0 0.3'
[]
[]
[BCs]
[push_left_x]
type = FunctionDirichletBC
variable = disp_x
boundary = 13
function = horizontal_movement
[]
[fix_right_x]
type = DirichletBC
variable = disp_x
boundary = 21
value = 0.0
[]
[fix_right_y]
type = DirichletBC
variable = disp_y
boundary = 21
value = 0.0
[]
[push_left_y]
type = FunctionDirichletBC
variable = disp_y
boundary = 13
function = vertical_movement
[]
[]
[Materials]
[elasticity_tensor_left]
type = ComputeIsotropicElasticityTensor
block = 1
youngs_modulus = 1.0e6
poissons_ratio = 0.3
[]
[stress_left]
type = ComputeFiniteStrainElasticStress
block = 1
[]
[elasticity_tensor_right]
type = ComputeIsotropicElasticityTensor
block = 2
youngs_modulus = 1.0e6
poissons_ratio = 0.3
[]
[stress_right]
type = ComputeFiniteStrainElasticStress
block = 2
[]
[]
[UserObjects]
[weighted_gap_uo]
type = LMWeightedGapUserObject
primary_boundary = '23'
secondary_boundary = '11'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
lm_variable = normal_lm
correct_edge_dropping = true
disp_x = disp_x
disp_y = disp_y
[]
[]
[Constraints]
[normal_lm]
type = ComputeWeightedGapLMMechanicalContact
primary_boundary = '23'
secondary_boundary = '11'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = normal_lm
disp_x = disp_x
disp_y = disp_y
use_displaced_mesh = true
correct_edge_dropping = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_x]
type = NormalMortarMechanicalContact
primary_boundary = '23'
secondary_boundary = '11'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = normal_lm
secondary_variable = disp_x
component = x
use_displaced_mesh = true
compute_lm_residuals = false
correct_edge_dropping = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_y]
type = NormalMortarMechanicalContact
primary_boundary = '23'
secondary_boundary = '11'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = normal_lm
secondary_variable = disp_y
component = y
use_displaced_mesh = true
compute_lm_residuals = false
correct_edge_dropping = true
weighted_gap_uo = weighted_gap_uo
[]
[]
[Preconditioning]
[SMP]
type = SMP
full = true
[]
[]
[Executioner]
type = Transient
solve_type = 'PJFNK'
petsc_options_iname = '-pc_type -pc_factor_mat_solver_type -pc_factor_shift_type '
'-pc_factor_shift_amount'
petsc_options_value = 'lu superlu_dist nonzero 1e-10'
line_search = 'none'
dt = 0.1
dtmin = 0.01
end_time = 1.0
l_max_its = 20
nl_max_its = 20
nl_rel_tol = 1e-6
nl_abs_tol = 1e-8
snesmf_reuse_base = false
[]
[Outputs]
csv = true
execute_on = 'FINAL'
[]
[Postprocessors]
[contact]
type = ContactDOFSetSize
variable = normal_lm
subdomain = 'secondary_lower'
[]
[normal_lm]
type = ElementAverageValue
variable = normal_lm
block = 'secondary_lower'
[]
[avg_disp_x]
type = ElementAverageValue
variable = disp_x
block = '1 2'
[]
[avg_disp_y]
type = ElementAverageValue
variable = disp_y
block = '1 2'
[]
[max_disp_x]
type = ElementExtremeValue
variable = disp_x
block = '1 2'
[]
[max_disp_y]
type = ElementExtremeValue
variable = disp_y
block = '1 2'
[]
[min_disp_x]
type = ElementExtremeValue
variable = disp_x
block = '1 2'
value_type = min
[]
[min_disp_y]
type = ElementExtremeValue
variable = disp_y
block = '1 2'
value_type = min
[]
[]
(modules/contact/test/tests/3d-mortar-contact/frictionless-mortar-3d_pg.i)
starting_point = 0.25
offset = 0.00
[GlobalParams]
displacements = 'disp_x disp_y disp_z'
diffusivity = 1e0
scaling = 1e0
[]
[Mesh]
[top_block]
type = GeneratedMeshGenerator
dim = 3
nx = 3
ny = 3
nz = 3
xmin = -0.25
xmax = 0.25
ymin = -0.25
ymax = 0.25
zmin = -0.25
zmax = 0.25
elem_type = HEX8
[]
[rotate_top_block]
type = TransformGenerator
input = top_block
transform = ROTATE
vector_value = '0 0 0'
[]
[top_block_sidesets]
type = RenameBoundaryGenerator
input = rotate_top_block
old_boundary = '0 1 2 3 4 5'
new_boundary = 'top_bottom top_back top_right top_front top_left top_top'
[]
[top_block_id]
type = SubdomainIDGenerator
input = top_block_sidesets
subdomain_id = 1
[]
[bottom_block]
type = GeneratedMeshGenerator
dim = 3
nx = 10
ny = 10
nz = 2
xmin = -.5
xmax = .5
ymin = -.5
ymax = .5
zmin = -.3
zmax = -.25
elem_type = HEX8
[]
[bottom_block_id]
type = SubdomainIDGenerator
input = bottom_block
subdomain_id = 2
[]
[bottom_block_change_boundary_id]
type = RenameBoundaryGenerator
input = bottom_block_id
old_boundary = '0 1 2 3 4 5'
new_boundary = '100 101 102 103 104 105'
[]
[combined]
type = MeshCollectionGenerator
inputs = 'top_block_id bottom_block_change_boundary_id'
[]
[block_rename]
type = RenameBlockGenerator
input = combined
old_block = '1 2'
new_block = 'top_block bottom_block'
[]
[bottom_right_sideset]
type = SideSetsAroundSubdomainGenerator
input = block_rename
new_boundary = bottom_right
block = bottom_block
normal = '1 0 0'
[]
[bottom_left_sideset]
type = SideSetsAroundSubdomainGenerator
input = bottom_right_sideset
new_boundary = bottom_left
block = bottom_block
normal = '-1 0 0'
[]
[bottom_top_sideset]
type = SideSetsAroundSubdomainGenerator
input = bottom_left_sideset
new_boundary = bottom_top
block = bottom_block
normal = '0 0 1'
[]
[bottom_bottom_sideset]
type = SideSetsAroundSubdomainGenerator
input = bottom_top_sideset
new_boundary = bottom_bottom
block = bottom_block
normal = '0 0 -1'
[]
[bottom_front_sideset]
type = SideSetsAroundSubdomainGenerator
input = bottom_bottom_sideset
new_boundary = bottom_front
block = bottom_block
normal = '0 1 0'
[]
[bottom_back_sideset]
type = SideSetsAroundSubdomainGenerator
input = bottom_front_sideset
new_boundary = bottom_back
block = bottom_block
normal = '0 -1 0'
[]
[secondary]
input = bottom_back_sideset
type = LowerDBlockFromSidesetGenerator
sidesets = 'top_bottom' # top_back top_left'
new_block_id = '10001'
new_block_name = 'secondary_lower'
[]
[primary]
input = secondary
type = LowerDBlockFromSidesetGenerator
sidesets = 'bottom_top'
new_block_id = '10000'
new_block_name = 'primary_lower'
[]
[]
[Variables]
[disp_x]
block = '1 2'
[]
[disp_y]
block = '1 2'
[]
[disp_z]
block = '1 2'
[]
[mortar_normal_lm]
block = 'secondary_lower'
use_dual = true
[]
[]
[AuxVariables]
[aux_lm]
block = 'secondary_lower'
use_dual = false
[]
[]
[ICs]
[disp_z]
block = 1
variable = disp_z
value = '${fparse offset}'
type = ConstantIC
[]
[disp_x]
block = 1
variable = disp_x
value = 0
type = ConstantIC
[]
[disp_y]
block = 1
variable = disp_y
value = 0
type = ConstantIC
[]
[]
[Kernels]
[disp_x]
type = MatDiffusion
variable = disp_x
[]
[disp_y]
type = MatDiffusion
variable = disp_y
[]
[disp_z]
type = MatDiffusion
variable = disp_z
[]
[]
[UserObjects]
[weighted_gap_uo]
type = LMWeightedGapUserObject
primary_boundary = 'bottom_top'
secondary_boundary = 'top_bottom'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
lm_variable = mortar_normal_lm
disp_x = disp_x
disp_y = disp_y
disp_z = disp_z
use_petrov_galerkin = true
aux_lm = aux_lm
[]
[]
[Constraints]
[normal_lm]
type = ComputeWeightedGapLMMechanicalContact
primary_boundary = 'bottom_top'
secondary_boundary = 'top_bottom'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = mortar_normal_lm
disp_x = disp_x
disp_y = disp_y
disp_z = disp_z
use_displaced_mesh = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_x]
type = NormalMortarMechanicalContact
primary_boundary = 'bottom_top'
secondary_boundary = 'top_bottom'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = mortar_normal_lm
secondary_variable = disp_x
component = x
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[normal_y]
type = NormalMortarMechanicalContact
primary_boundary = 'bottom_top'
secondary_boundary = 'top_bottom'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = mortar_normal_lm
secondary_variable = disp_y
component = y
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[normal_z]
type = NormalMortarMechanicalContact
primary_boundary = 'bottom_top'
secondary_boundary = 'top_bottom'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = mortar_normal_lm
secondary_variable = disp_z
component = z
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[]
[BCs]
[botx]
type = DirichletBC
variable = disp_x
boundary = 'bottom_left bottom_right bottom_front bottom_back'
value = 0.0
[]
[boty]
type = DirichletBC
variable = disp_y
boundary = 'bottom_left bottom_right bottom_front bottom_back'
value = 0.0
[]
[botz]
type = DirichletBC
variable = disp_z
boundary = 'bottom_left bottom_right bottom_front bottom_back'
value = 0.0
[]
[topx]
type = DirichletBC
variable = disp_x
boundary = 'top_top'
value = 0.0
[]
[topy]
type = DirichletBC
variable = disp_y
boundary = 'top_top'
value = 0.0
[]
[topz]
type = FunctionDirichletBC
variable = disp_z
boundary = 'top_top'
function = '-${starting_point} * sin(2 * pi / 40 * t) + ${offset}'
[]
[]
[Executioner]
type = Transient
end_time = 1
dt = .5
dtmin = .01
solve_type = 'PJFNK'
petsc_options = '-snes_converged_reason -ksp_converged_reason -pc_svd_monitor '
'-snes_linesearch_monitor'
petsc_options_iname = '-pc_type -pc_factor_mat_solver_type -pc_factor_shift_type -pc_factor_shift_amount -mat_mffd_err'
petsc_options_value = 'lu superlu_dist NONZERO 1e-15 1e-5'
l_max_its = 100
nl_max_its = 30
nl_abs_tol = 1e-12
line_search = 'none'
snesmf_reuse_base = false
[]
[Debug]
show_var_residual_norms = true
[]
[Outputs]
csv = true
[]
[Preconditioning]
[smp]
type = SMP
full = true
[]
[]
[Postprocessors]
[contact]
type = ContactDOFSetSize
variable = mortar_normal_lm
subdomain = 'secondary_lower'
execute_on = 'nonlinear timestep_end'
[]
[lambda]
type = ElementAverageValue
variable = mortar_normal_lm
block = 'secondary_lower'
[]
[]
(modules/combined/test/tests/gap_heat_transfer_mortar/small-2d/small.i)
E_block = 1e7
E_plank = 1e7
elem = QUAD4
order = FIRST
name = 'small'
[Mesh]
patch_size = 80
patch_update_strategy = auto
[plank]
type = GeneratedMeshGenerator
dim = 2
xmin = -0.3
xmax = 0.3
ymin = -10
ymax = 10
nx = 2
ny = 67
elem_type = ${elem}
boundary_name_prefix = plank
[]
[plank_id]
type = SubdomainIDGenerator
input = plank
subdomain_id = 1
[]
[block]
type = GeneratedMeshGenerator
dim = 2
xmin = 0.31
xmax = 0.91
ymin = 7.7
ymax = 8.5
nx = 3
ny = 4
elem_type = ${elem}
boundary_name_prefix = block
boundary_id_offset = 10
[]
[block_id]
type = SubdomainIDGenerator
input = block
subdomain_id = 2
[]
[combined]
type = MeshCollectionGenerator
inputs = 'plank_id block_id'
[]
[block_rename]
type = RenameBlockGenerator
input = combined
old_block = '1 2'
new_block = 'plank block'
[]
[secondary]
input = block_rename
type = LowerDBlockFromSidesetGenerator
sidesets = 'block_left'
new_block_id = '30'
new_block_name = 'frictionless_secondary_subdomain'
[]
[primary]
input = secondary
type = LowerDBlockFromSidesetGenerator
sidesets = 'plank_right'
new_block_id = '20'
new_block_name = 'frictionless_primary_subdomain'
[]
[]
[GlobalParams]
displacements = 'disp_x disp_y'
[]
[Variables]
[disp_x]
order = ${order}
block = 'plank block'
scaling = ${fparse 2.0 / (E_plank + E_block)}
[]
[disp_y]
order = ${order}
block = 'plank block'
scaling = ${fparse 2.0 / (E_plank + E_block)}
[]
[temp]
order = ${order}
block = 'plank block'
scaling = 1e-1
[]
[thermal_lm]
order = ${order}
block = 'frictionless_secondary_subdomain'
scaling = 1e-7
[]
[frictionless_normal_lm]
order = ${order}
block = 'frictionless_secondary_subdomain'
use_dual = true
[]
[]
[Physics/SolidMechanics/QuasiStatic]
[action]
generate_output = 'stress_xx stress_yy stress_zz vonmises_stress hydrostatic_stress strain_xx strain_yy strain_zz'
block = 'plank block'
use_automatic_differentiation = true
[]
[]
[Kernels]
[hc]
type = ADHeatConduction
variable = temp
use_displaced_mesh = true
block = 'plank block'
[]
[]
[UserObjects]
[weighted_gap_uo]
type = LMWeightedGapUserObject
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
lm_variable = frictionless_normal_lm
disp_x = disp_x
disp_y = disp_y
[]
[]
[Constraints]
[weighted_gap_lm]
type = ComputeWeightedGapLMMechanicalContact
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
variable = frictionless_normal_lm
disp_x = disp_x
disp_y = disp_y
use_displaced_mesh = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_x]
type = NormalMortarMechanicalContact
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
variable = frictionless_normal_lm
secondary_variable = disp_x
component = x
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[normal_y]
type = NormalMortarMechanicalContact
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
variable = frictionless_normal_lm
secondary_variable = disp_y
component = y
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[thermal_contact]
type = GapConductanceConstraint
variable = thermal_lm
secondary_variable = temp
k = 1
use_displaced_mesh = true
primary_boundary = plank_right
primary_subdomain = frictionless_primary_subdomain
secondary_boundary = block_left
secondary_subdomain = frictionless_secondary_subdomain
displacements = 'disp_x disp_y'
[]
[]
[BCs]
[left_temp]
type = DirichletBC
variable = temp
boundary = 'plank_left'
value = 400
[]
[right_temp]
type = DirichletBC
variable = temp
boundary = 'block_right'
value = 300
[]
[left_x]
type = DirichletBC
variable = disp_x
boundary = plank_left
value = 0.0
[]
[left_y]
type = DirichletBC
variable = disp_y
boundary = plank_bottom
value = 0.0
[]
[right_x]
type = ADFunctionDirichletBC
variable = disp_x
boundary = block_right
function = '-0.04*sin(4*(t+1.5))+0.02'
[]
[right_y]
type = ADFunctionDirichletBC
variable = disp_y
boundary = block_right
function = '-t'
[]
[]
[Materials]
[plank]
type = ADComputeIsotropicElasticityTensor
block = 'plank'
poissons_ratio = 0.3
youngs_modulus = ${E_plank}
[]
[block]
type = ADComputeIsotropicElasticityTensor
block = 'block'
poissons_ratio = 0.3
youngs_modulus = ${E_block}
[]
[stress]
type = ADComputeLinearElasticStress
block = 'plank block'
[]
[heat_plank]
type = ADHeatConductionMaterial
block = plank
thermal_conductivity = 2
specific_heat = 1
[]
[heat_block]
type = ADHeatConductionMaterial
block = block
thermal_conductivity = 1
specific_heat = 1
[]
[]
[Preconditioning]
[smp]
type = SMP
full = true
[]
[]
[Executioner]
type = Transient
solve_type = 'NEWTON'
petsc_options = '-snes_converged_reason -ksp_converged_reason'
petsc_options_iname = '-pc_type -pc_factor_shift_type -pc_factor_shift_amount -snes_max_it'
petsc_options_value = 'lu NONZERO 1e-15 20'
end_time = 13.5
dt = 0.1
dtmin = 0.1
timestep_tolerance = 1e-6
line_search = 'none'
[]
[Postprocessors]
[nl_its]
type = NumNonlinearIterations
[]
[total_nl_its]
type = CumulativeValuePostprocessor
postprocessor = nl_its
[]
[l_its]
type = NumLinearIterations
[]
[total_l_its]
type = CumulativeValuePostprocessor
postprocessor = l_its
[]
[contact]
type = ContactDOFSetSize
variable = frictionless_normal_lm
subdomain = frictionless_secondary_subdomain
[]
[avg_hydro]
type = ElementAverageValue
variable = hydrostatic_stress
block = 'block'
[]
[avg_temp]
type = ElementAverageValue
variable = temp
block = 'block'
[]
[max_hydro]
type = ElementExtremeValue
variable = hydrostatic_stress
block = 'block'
[]
[min_hydro]
type = ElementExtremeValue
variable = hydrostatic_stress
block = 'block'
value_type = min
[]
[avg_vonmises]
type = ElementAverageValue
variable = vonmises_stress
block = 'block'
[]
[max_vonmises]
type = ElementExtremeValue
variable = vonmises_stress
block = 'block'
[]
[min_vonmises]
type = ElementExtremeValue
variable = vonmises_stress
block = 'block'
value_type = min
[]
[]
[Outputs]
file_base = ${name}
[comp]
type = CSV
show = 'contact avg_temp'
[]
[out]
type = CSV
file_base = '${name}_out'
[]
[]
[Debug]
show_var_residual_norms = true
[]
(modules/combined/test/tests/stateful_mortar_constraints/stateful_mortar_npr.i)
E_block = 1e7
E_plank = 1e7
elem = QUAD4
order = FIRST
[Mesh]
patch_size = 80
patch_update_strategy = auto
[plank]
type = GeneratedMeshGenerator
dim = 2
xmin = -0.3
xmax = 0.3
ymin = -10
ymax = 10
nx = 2
ny = 67
elem_type = ${elem}
boundary_name_prefix = plank
[]
[plank_id]
type = SubdomainIDGenerator
input = plank
subdomain_id = 1
[]
[block]
type = GeneratedMeshGenerator
dim = 2
xmin = 0.31
xmax = 0.91
ymin = 7.7
ymax = 8.5
nx = 3
ny = 4
elem_type = ${elem}
boundary_name_prefix = block
boundary_id_offset = 10
[]
[block_id]
type = SubdomainIDGenerator
input = block
subdomain_id = 2
[]
[combined]
type = MeshCollectionGenerator
inputs = 'plank_id block_id'
[]
[block_rename]
type = RenameBlockGenerator
input = combined
old_block = '1 2'
new_block = 'plank block'
[]
[secondary]
input = block_rename
type = LowerDBlockFromSidesetGenerator
sidesets = 'block_left'
new_block_id = '30'
new_block_name = 'frictionless_secondary_subdomain'
[]
[primary]
input = secondary
type = LowerDBlockFromSidesetGenerator
sidesets = 'plank_right'
new_block_id = '20'
new_block_name = 'frictionless_primary_subdomain'
[]
[]
[GlobalParams]
displacements = 'disp_x disp_y'
[]
[Variables]
[disp_x]
order = ${order}
block = 'plank block'
scaling = '${fparse 2.0 / (E_plank + E_block)}'
[]
[disp_y]
order = ${order}
block = 'plank block'
scaling = '${fparse 2.0 / (E_plank + E_block)}'
[]
[temp]
order = ${order}
block = 'plank block'
scaling = 1e-1
[]
[thermal_lm]
order = ${order}
block = 'frictionless_secondary_subdomain'
scaling = 1e-7
[]
[frictionless_normal_lm]
order = ${order}
block = 'frictionless_secondary_subdomain'
use_dual = true
[]
[]
[AuxVariables]
[stress_xx]
order = FIRST
family = MONOMIAL
block = 'plank block'
[]
[stress_yy]
order = FIRST
family = MONOMIAL
block = 'plank block'
[]
[stress_xx_recovered]
order = FIRST
family = LAGRANGE
block = 'plank block'
[]
[stress_yy_recovered]
order = FIRST
family = LAGRANGE
block = 'plank block'
[]
[]
[AuxKernels]
[stress_xx]
type = RankTwoAux
rank_two_tensor = stress
variable = stress_xx
index_i = 0
index_j = 0
execute_on = 'timestep_end'
block = 'plank block'
[]
[stress_yy]
type = RankTwoAux
rank_two_tensor = stress
variable = stress_yy
index_i = 1
index_j = 1
execute_on = 'timestep_end'
block = 'plank block'
[]
[stress_xx_recovered]
type = NodalPatchRecoveryAux
variable = stress_xx_recovered
nodal_patch_recovery_uo = stress_xx_patch
execute_on = 'TIMESTEP_END'
block = 'plank block'
[]
[stress_yy_recovered]
type = NodalPatchRecoveryAux
variable = stress_yy_recovered
nodal_patch_recovery_uo = stress_yy_patch
execute_on = 'TIMESTEP_END'
block = 'plank block'
[]
[]
[Physics/SolidMechanics/QuasiStatic]
[action]
generate_output = 'stress_zz vonmises_stress hydrostatic_stress strain_xx strain_yy strain_zz'
block = 'plank block'
use_automatic_differentiation = false
strain = FINITE
[]
[]
[Kernels]
[hc]
type = HeatConduction
variable = temp
use_displaced_mesh = true
block = 'plank block'
[]
[]
[UserObjects]
[weighted_gap_uo]
type = LMWeightedGapUserObject
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
lm_variable = frictionless_normal_lm
disp_x = disp_x
disp_y = disp_y
[]
[stress_xx_patch]
type = NodalPatchRecoveryMaterialProperty
patch_polynomial_order = FIRST
property = 'stress'
component = '0 0'
execute_on = 'NONLINEAR TIMESTEP_END'
block = 'plank block'
[]
[stress_yy_patch]
type = NodalPatchRecoveryMaterialProperty
patch_polynomial_order = FIRST
property = 'stress'
component = '1 1'
execute_on = 'NONLINEAR TIMESTEP_END'
block = 'plank block'
[]
[]
[Constraints]
[weighted_gap_lm]
type = ComputeWeightedGapLMMechanicalContact
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
variable = frictionless_normal_lm
disp_x = disp_x
disp_y = disp_y
use_displaced_mesh = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_x]
type = NormalMortarMechanicalContact
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
variable = frictionless_normal_lm
secondary_variable = disp_x
component = x
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[normal_y]
type = NormalMortarMechanicalContact
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
variable = frictionless_normal_lm
secondary_variable = disp_y
component = y
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[thermal_contact]
type = GapConductanceStatefulConstraint
variable = thermal_lm
secondary_variable = temp
k = 0.0001
use_displaced_mesh = true
primary_boundary = plank_right
primary_subdomain = frictionless_primary_subdomain
secondary_boundary = block_left
secondary_subdomain = frictionless_secondary_subdomain
displacements = 'disp_x disp_y'
stateful_variable = stress_xx_recovered
[]
[]
[BCs]
[left_temp]
type = DirichletBC
variable = temp
boundary = 'plank_left'
value = 400
[]
[right_temp]
type = DirichletBC
variable = temp
boundary = 'block_right'
value = 300
[]
[left_x]
type = DirichletBC
variable = disp_x
boundary = plank_left
value = 0.0
[]
[left_y]
type = DirichletBC
variable = disp_y
boundary = plank_bottom
value = 0.0
[]
[right_x]
type = FunctionDirichletBC
variable = disp_x
boundary = block_right
function = '-0.04*sin(4*(t+1.5))+0.02'
preset = false
[]
[right_y]
type = FunctionDirichletBC
variable = disp_y
boundary = block_right
function = '-t'
preset = false
[]
[]
[Materials]
[plank]
type = ComputeIsotropicElasticityTensor
block = 'plank'
poissons_ratio = 0.3
youngs_modulus = ${E_plank}
[]
[block]
type = ComputeIsotropicElasticityTensor
block = 'block'
poissons_ratio = 0.3
youngs_modulus = ${E_block}
[]
[stress]
type = ComputeFiniteStrainElasticStress
block = 'plank block'
[]
[heat_plank]
type = HeatConductionMaterial
block = plank
thermal_conductivity = 2
specific_heat = 1
[]
[heat_block]
type = HeatConductionMaterial
block = block
thermal_conductivity = 1
specific_heat = 1
[]
[]
[Executioner]
type = Transient
solve_type = 'NEWTON'
petsc_options = '-snes_converged_reason -ksp_converged_reason'
petsc_options_iname = '-pc_type -pc_factor_shift_type -pc_factor_shift_amount -snes_max_it'
petsc_options_value = 'lu NONZERO 1e-15 20'
end_time = 0.5
dt = 0.1
dtmin = 0.1
timestep_tolerance = 1e-6
line_search = 'none'
[]
[Postprocessors]
[avg_hydro]
type = ElementAverageValue
variable = hydrostatic_stress
block = 'block'
[]
[avg_temp]
type = ElementAverageValue
variable = temp
block = 'block'
[]
[max_hydro]
type = ElementExtremeValue
variable = hydrostatic_stress
block = 'block'
[]
[min_hydro]
type = ElementExtremeValue
variable = hydrostatic_stress
block = 'block'
value_type = min
[]
[avg_vonmises]
type = ElementAverageValue
variable = vonmises_stress
block = 'block'
[]
[max_vonmises]
type = ElementExtremeValue
variable = vonmises_stress
block = 'block'
[]
[min_vonmises]
type = ElementExtremeValue
variable = vonmises_stress
block = 'block'
value_type = min
[]
[stress_xx_recovered]
type = ElementExtremeValue
variable = stress_xx_recovered
block = 'block'
value_type = max
[]
[stress_yy_recovered]
type = ElementExtremeValue
variable = stress_yy_recovered
block = 'block'
value_type = max
[]
[min_temperature]
type = ElementExtremeValue
variable = temp
block = 'plank'
value_type = min
[]
[]
[Outputs]
exodus = true
[out]
type = CSV
[]
[dof]
type = DOFMap
execute_on = 'initial'
[]
[]
[Debug]
show_var_residual_norms = true
[]
(modules/contact/test/tests/bouncing-block-contact/frictionless-weighted-gap.i)
starting_point = 2e-1
offset = 1e-2
[GlobalParams]
displacements = 'disp_x disp_y'
diffusivity = 1e0
scaling = 1e0
[]
[Mesh]
file = long-bottom-block-1elem-blocks.e
[]
[Variables]
[disp_x]
block = '1 2'
[]
[disp_y]
block = '1 2'
[]
[normal_lm]
block = 3
[]
[]
[ICs]
[disp_y]
block = 2
variable = disp_y
value = '${fparse starting_point + offset}'
type = ConstantIC
[]
[]
[Kernels]
[disp_x]
type = MatDiffusion
variable = disp_x
[]
[disp_y]
type = MatDiffusion
variable = disp_y
[]
[]
[UserObjects]
[weighted_gap_uo]
type = LMWeightedGapUserObject
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
lm_variable = normal_lm
disp_x = disp_x
disp_y = disp_y
[]
[]
[Constraints]
[weighted_gap_lm]
type = ComputeWeightedGapLMMechanicalContact
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
variable = normal_lm
disp_x = disp_x
disp_y = disp_y
use_displaced_mesh = true
c = 1
weighted_gap_uo = weighted_gap_uo
[]
[normal_x]
type = NormalMortarMechanicalContact
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
variable = normal_lm
secondary_variable = disp_x
component = x
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[normal_y]
type = NormalMortarMechanicalContact
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
variable = normal_lm
secondary_variable = disp_y
component = y
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[]
[BCs]
[botx]
type = DirichletBC
variable = disp_x
boundary = 40
value = 0.0
[]
[boty]
type = DirichletBC
variable = disp_y
boundary = 40
value = 0.0
[]
[topy]
type = FunctionDirichletBC
variable = disp_y
boundary = 30
function = '${starting_point} * cos(2 * pi / 40 * t) + ${offset}'
preset = false
[]
[leftx]
type = FunctionDirichletBC
variable = disp_x
boundary = 50
function = '1e-2 * t'
preset = false
[]
[]
[Executioner]
type = Transient
end_time = 200
dt = 5
dtmin = .1
solve_type = 'PJFNK'
petsc_options = '-snes_converged_reason -ksp_converged_reason -pc_svd_monitor -snes_linesearch_monitor'
petsc_options_iname = '-pc_type -pc_factor_shift_type -pc_factor_shift_amount -mat_mffd_err'
petsc_options_value = 'lu NONZERO 1e-15 1e-5'
l_max_its = 30
nl_max_its = 20
line_search = 'none'
snesmf_reuse_base = true
nl_rel_tol = 1e-12
[]
[Debug]
show_var_residual_norms = true
[]
[Outputs]
exodus = true
[]
[Preconditioning]
[smp]
type = SMP
full = true
[]
[]
[Postprocessors]
active = 'num_nl cumulative contact'
[num_nl]
type = NumNonlinearIterations
[]
[cumulative]
type = CumulativeValuePostprocessor
postprocessor = num_nl
[]
[contact]
type = ContactDOFSetSize
variable = normal_lm
subdomain = '3'
execute_on = 'nonlinear timestep_end'
[]
[]
(modules/contact/test/tests/mortar_dynamics/block-dynamics-reference.i)
starting_point = 2e-1
offset = -0.19
[GlobalParams]
displacements = 'disp_x disp_y'
[]
[Mesh]
file = long-bottom-block-1elem-blocks.e
[]
[Variables]
[disp_x]
block = '1 2'
[]
[disp_y]
block = '1 2'
[]
[normal_lm]
block = 3
use_dual = true
[]
[]
[ICs]
[disp_y]
block = 2
variable = disp_y
value = '${fparse starting_point + offset}'
type = ConstantIC
[]
[]
[Kernels]
[DynamicTensorMechanics]
displacements = 'disp_x disp_y'
generate_output = 'stress_xx stress_yy'
strain = FINITE
block = '1 2'
stiffness_damping_coefficient = 1.0
hht_alpha = 0.0
[]
[inertia_x]
type = InertialForce
variable = disp_x
velocity = vel_x
acceleration = accel_x
beta = 0.25
gamma = 0.5
alpha = 0
eta = 0.0
block = '1 2'
[]
[inertia_y]
type = InertialForce
variable = disp_y
velocity = vel_y
acceleration = accel_y
beta = 0.25
gamma = 0.5
alpha = 0
eta = 0.0
block = '1 2'
[]
[]
[Materials]
[elasticity_2]
type = ComputeIsotropicElasticityTensor
block = '2'
youngs_modulus = 1e6
poissons_ratio = 0.3
[]
[elasticity_1]
type = ComputeIsotropicElasticityTensor
block = '1'
youngs_modulus = 1e8
poissons_ratio = 0.3
[]
[stress]
type = ComputeFiniteStrainElasticStress
block = '1 2'
[]
[strain]
type = ComputeFiniteStrain
block = '1 2'
[]
[density]
type = GenericConstantMaterial
block = '1 2'
prop_names = 'density'
prop_values = '7750'
[]
[]
[AuxVariables]
[vel_x]
block = '1 2'
[]
[accel_x]
block = '1 2'
[]
[vel_y]
block = '1 2'
[]
[accel_y]
block = '1 2'
[]
[vel_z]
block = '1 2'
[]
[accel_z]
block = '1 2'
[]
[kinetic_energy]
order = CONSTANT
family = MONOMIAL
[]
[elastic_energy]
order = CONSTANT
family = MONOMIAL
[]
[]
[AuxKernels]
[accel_x]
type = NewmarkAccelAux
variable = accel_x
displacement = disp_x
velocity = vel_x
beta = 0.25
execute_on = 'timestep_end'
[]
[vel_x]
type = NewmarkVelAux
variable = vel_x
acceleration = accel_x
gamma = 0.5
execute_on = 'timestep_end'
[]
[accel_y]
type = NewmarkAccelAux
variable = accel_y
displacement = disp_y
velocity = vel_y
beta = 0.25
execute_on = 'timestep_end'
[]
[vel_y]
type = NewmarkVelAux
variable = vel_y
acceleration = accel_y
gamma = 0.5
execute_on = 'timestep_end'
[]
[kinetic_energy]
type = KineticEnergyAux
block = '1 2'
variable = kinetic_energy
newmark_velocity_x = vel_x
newmark_velocity_y = vel_y
newmark_velocity_z = 0.0
density = density
[]
[elastic_energy]
type = ElasticEnergyAux
variable = elastic_energy
block = '1 2'
[]
[]
# User object provides the contact force (e.g. LM)
# for the application of the generalized force
[UserObjects]
[weighted_gap_uo]
type = LMWeightedGapUserObject
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
lm_variable = normal_lm
disp_x = disp_x
disp_y = disp_y
[]
[]
[Constraints]
# Not using 'dynamic' constraints results in poor enforcement of contact
# constraints and lack of kinetic and elastic energy conservation.
[weighted_gap_lm]
type = ComputeDynamicWeightedGapLMMechanicalContact
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
variable = normal_lm
disp_x = disp_x
disp_y = disp_y
newmark_beta = 0.25
newmark_gamma = 0.5
use_displaced_mesh = true
# Capture tolerance is important. If too small, stabilization takes longer
capture_tolerance = 1.0e-5
c = 1.0e6
[]
[normal_x]
type = NormalMortarMechanicalContact
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
variable = normal_lm
secondary_variable = disp_x
component = x
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[normal_y]
type = NormalMortarMechanicalContact
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
variable = normal_lm
secondary_variable = disp_y
component = y
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[]
[BCs]
[botx]
type = DirichletBC
variable = disp_x
boundary = 40
value = 0.0
[]
[boty]
type = DirichletBC
variable = disp_y
boundary = 40
value = 0.0
[]
[topy]
type = FunctionDirichletBC
variable = disp_y
boundary = 30
function = '${starting_point} * cos(2 * pi / 4 * t) + ${offset}'
[]
[leftx]
type = FunctionDirichletBC
variable = disp_x
boundary = 30 # 50
function = '0' # '1e-2*t'
[]
[]
[Executioner]
type = Transient
end_time = 0.275 # 8.0
dt = 0.025
dtmin = .025
solve_type = 'NEWTON'
petsc_options = '-snes_converged_reason -ksp_converged_reason -snes_linesearch_monitor'
petsc_options_iname = '-pc_type -pc_factor_shift_type -pc_factor_shift_amount'
petsc_options_value = 'lu NONZERO 1e-15'
nl_max_its = 50
line_search = 'none'
[TimeIntegrator]
type = NewmarkBeta
beta = 0.25
gamma = 0.5
[]
[]
[Debug]
show_var_residual_norms = true
[]
[Outputs]
exodus = true
checkpoint = true
csv = true
[]
[Postprocessors]
active = 'contact total_kinetic_energy total_elastic_energy'
[num_nl]
type = NumNonlinearIterations
[]
[cumulative]
type = CumulativeValuePostprocessor
postprocessor = num_nl
[]
[contact]
type = ContactDOFSetSize
variable = normal_lm
subdomain = '3'
execute_on = 'nonlinear timestep_end'
[]
[total_kinetic_energy]
type = ElementIntegralVariablePostprocessor
variable = kinetic_energy
block = '1 2'
[]
[total_elastic_energy]
type = ElementIntegralVariablePostprocessor
variable = elastic_energy
block = '1 2'
[]
[]
(modules/contact/test/tests/simple_contact/two_block_compress/two_equal_blocks_compress_3d.i)
[GlobalParams]
displacements = 'disp_x disp_y disp_z'
volumetric_locking_correction = true
[]
[Mesh]
[left_block]
type = GeneratedMeshGenerator
dim = 3
nx = 1
ny = 1
nz = 1
xmin = -1.0
xmax = 0.0
ymin = -0.5
ymax = 0.5
zmin = -0.5
zmax = 0.5
elem_type = HEX8
[]
[left_block_sidesets]
type = RenameBoundaryGenerator
input = left_block
old_boundary = '0 1 2 3 4 5'
new_boundary = 'left_bottom left_back left_right left_front left_left left_top'
[]
[left_block_id]
type = SubdomainIDGenerator
input = left_block_sidesets
subdomain_id = 1
[]
[right_block]
type = GeneratedMeshGenerator
dim = 3
nx = 2
ny = 2
nz = 2
xmin = 0.0
xmax = 1.0
ymin = -0.5
ymax = 0.5
zmin = -0.5
zmax = 0.5
elem_type = HEX8
[]
[right_block_sidesets]
type = RenameBoundaryGenerator
input = right_block
old_boundary = '0 1 2 3 4 5'
# new_boundary = 'right_bottom right_back right_right right_front right_left right_top'
new_boundary = '100 101 102 103 104 105'
[]
[right_block_sidesets_rename]
type = RenameBoundaryGenerator
input = right_block_sidesets
old_boundary = '100 101 102 103 104 105'
new_boundary = 'right_bottom right_back right_right right_front right_left right_top'
[]
[right_block_id]
type = SubdomainIDGenerator
input = right_block_sidesets_rename
subdomain_id = 2
[]
[combined_mesh]
type = MeshCollectionGenerator
inputs = 'left_block_id right_block_id'
[]
[left_lower]
type = LowerDBlockFromSidesetGenerator
input = combined_mesh
sidesets = 'left_right'
new_block_id = '10001'
new_block_name = 'secondary_lower'
[]
[right_lower]
type = LowerDBlockFromSidesetGenerator
input = left_lower
sidesets = 'right_left'
new_block_id = '10000'
new_block_name = 'primary_lower'
[]
[]
[Variables]
[normal_lm]
block = 'secondary_lower'
use_dual = true
[]
[]
[Physics/SolidMechanics/QuasiStatic]
[all]
strain = FINITE
incremental = true
add_variables = true
block = '1 2'
[]
[]
[Functions]
[horizontal_movement]
type = PiecewiseLinear
x = '0 0.5'
y = '0 0.2'
[]
[vertical_movement]
type = PiecewiseLinear
x = '0 1.0'
y = '0 0'
[]
[]
[BCs]
[push_left_x]
type = FunctionDirichletBC
variable = disp_x
boundary = 'left_left'
function = horizontal_movement
[]
[push_left_y]
type = FunctionDirichletBC
variable = disp_y
boundary = 'left_left'
function = vertical_movement
[]
[fix_left_z]
type = DirichletBC
variable = disp_z
boundary = 'left_left'
value = 0.0
[]
[fix_right_x]
type = DirichletBC
variable = disp_x
boundary = 'right_right'
value = 0.0
[]
[fix_right_y]
type = DirichletBC
variable = disp_y
boundary = 'right_right'
value = 0.0
[]
[fix_right_z]
type = DirichletBC
variable = disp_z
boundary = 'right_right'
value = 0.0
[]
[]
[Materials]
[elasticity_tensor_left]
type = ComputeIsotropicElasticityTensor
block = 1
youngs_modulus = 1.0e6
poissons_ratio = 0.3
[]
[stress_left]
type = ComputeFiniteStrainElasticStress
block = 1
[]
[elasticity_tensor_right]
type = ComputeIsotropicElasticityTensor
block = 2
youngs_modulus = 1.0e6
poissons_ratio = 0.3
[]
[stress_right]
type = ComputeFiniteStrainElasticStress
block = 2
[]
[]
[UserObjects]
[weighted_gap_uo]
type = LMWeightedGapUserObject
primary_boundary = '23'
secondary_boundary = '11'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
correct_edge_dropping = true
lm_variable = normal_lm
disp_x = disp_x
disp_y = disp_y
disp_z = disp_z
[]
[]
[Constraints]
[normal_lm]
type = ComputeWeightedGapLMMechanicalContact
primary_boundary = 'right_left'
secondary_boundary = 'left_right'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = normal_lm
disp_x = disp_x
disp_y = disp_y
disp_z = disp_z
use_displaced_mesh = true
correct_edge_dropping = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_x]
type = NormalMortarMechanicalContact
primary_boundary = 'right_left'
secondary_boundary = 'left_right'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = normal_lm
secondary_variable = disp_x
component = x
use_displaced_mesh = true
compute_lm_residuals = false
correct_edge_dropping = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_y]
type = NormalMortarMechanicalContact
primary_boundary = 'right_left'
secondary_boundary = 'left_right'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = normal_lm
secondary_variable = disp_y
component = y
use_displaced_mesh = true
compute_lm_residuals = false
correct_edge_dropping = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_z]
type = NormalMortarMechanicalContact
primary_boundary = 'right_left'
secondary_boundary = 'left_right'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = normal_lm
secondary_variable = disp_z
component = z
use_displaced_mesh = true
compute_lm_residuals = false
correct_edge_dropping = true
weighted_gap_uo = weighted_gap_uo
[]
[]
[Preconditioning]
[SMP]
type = SMP
full = true
[]
[]
[Executioner]
type = Transient
solve_type = 'PJFNK'
petsc_options_iname = '-pc_type -pc_factor_mat_solver_type -pc_factor_shift_type '
'-pc_factor_shift_amount'
petsc_options_value = 'lu superlu_dist nonzero 1e-10'
line_search = 'none'
dt = 0.1
dtmin = 0.01
end_time = 0.4
l_max_its = 20
nl_max_its = 20
nl_rel_tol = 1e-6
nl_abs_tol = 1e-8
snesmf_reuse_base = false
[]
[Outputs]
csv = true
execute_on = 'FINAL'
[]
[Postprocessors]
[contact]
type = ContactDOFSetSize
variable = normal_lm
subdomain = 'secondary_lower'
[]
[normal_lm]
type = ElementAverageValue
variable = normal_lm
block = 'secondary_lower'
[]
[avg_disp_x]
type = ElementAverageValue
variable = disp_x
block = '1 2'
[]
[avg_disp_y]
type = ElementAverageValue
variable = disp_y
block = '1 2'
[]
[max_disp_x]
type = ElementExtremeValue
variable = disp_x
block = '1 2'
[]
[max_disp_y]
type = ElementExtremeValue
variable = disp_y
block = '1 2'
[]
[min_disp_x]
type = ElementExtremeValue
variable = disp_x
block = '1 2'
value_type = min
[]
[min_disp_y]
type = ElementExtremeValue
variable = disp_y
block = '1 2'
value_type = min
[]
[]
(modules/combined/test/tests/gap_heat_transfer_mortar/small-2d-rz/small.i)
E_block = 1e7
E_plank = 1e7
elem = QUAD4
order = FIRST
name = 'small'
[Mesh]
patch_size = 80
patch_update_strategy = auto
[plank]
type = GeneratedMeshGenerator
dim = 2
xmin = 0
xmax = 0.6
ymin = -10
ymax = 10
nx = 2
ny = 67
elem_type = ${elem}
boundary_name_prefix = plank
[]
[plank_id]
type = SubdomainIDGenerator
input = plank
subdomain_id = 1
[]
[block]
type = GeneratedMeshGenerator
dim = 2
xmin = 0.61
xmax = 1.21
ymin = 7.7
ymax = 8.5
nx = 3
ny = 4
elem_type = ${elem}
boundary_name_prefix = block
boundary_id_offset = 10
[]
[block_id]
type = SubdomainIDGenerator
input = block
subdomain_id = 2
[]
[combined]
type = MeshCollectionGenerator
inputs = 'plank_id block_id'
[]
[block_rename]
type = RenameBlockGenerator
input = combined
old_block = '1 2'
new_block = 'plank block'
[]
[secondary]
input = block_rename
type = LowerDBlockFromSidesetGenerator
sidesets = 'block_left'
new_block_id = '30'
new_block_name = 'frictionless_secondary_subdomain'
[]
[primary]
input = secondary
type = LowerDBlockFromSidesetGenerator
sidesets = 'plank_right'
new_block_id = '20'
new_block_name = 'frictionless_primary_subdomain'
[]
coord_type = RZ
[]
[GlobalParams]
displacements = 'disp_x disp_y'
[]
[Variables]
[disp_x]
order = ${order}
block = 'plank block'
scaling = ${fparse 2.0 / (E_plank + E_block)}
[]
[disp_y]
order = ${order}
block = 'plank block'
scaling = ${fparse 2.0 / (E_plank + E_block)}
[]
[temp]
order = ${order}
block = 'plank block'
scaling = 1e-1
[]
[thermal_lm]
order = ${order}
block = 'frictionless_secondary_subdomain'
scaling = 1e-7
[]
[frictionless_normal_lm]
order = ${order}
block = 'frictionless_secondary_subdomain'
use_dual = true
[]
[]
[Physics/SolidMechanics/QuasiStatic]
[action]
generate_output = 'stress_xx stress_yy stress_zz vonmises_stress hydrostatic_stress strain_xx strain_yy strain_zz'
block = 'plank block'
use_automatic_differentiation = true
[]
[]
[Kernels]
[hc]
type = ADHeatConduction
variable = temp
use_displaced_mesh = true
block = 'plank block'
[]
[]
[UserObjects]
[weighted_gap_uo]
type = LMWeightedGapUserObject
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
lm_variable = frictionless_normal_lm
disp_x = disp_x
disp_y = disp_y
[]
[]
[Constraints]
[weighted_gap_lm]
type = ComputeWeightedGapLMMechanicalContact
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
variable = frictionless_normal_lm
disp_x = disp_x
disp_y = disp_y
use_displaced_mesh = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_x]
type = NormalMortarMechanicalContact
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
variable = frictionless_normal_lm
secondary_variable = disp_x
component = x
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[normal_y]
type = NormalMortarMechanicalContact
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
variable = frictionless_normal_lm
secondary_variable = disp_y
component = y
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[thermal_contact]
type = GapConductanceConstraint
variable = thermal_lm
secondary_variable = temp
k = 1
use_displaced_mesh = true
primary_boundary = plank_right
primary_subdomain = frictionless_primary_subdomain
secondary_boundary = block_left
secondary_subdomain = frictionless_secondary_subdomain
displacements = 'disp_x disp_y'
[]
[]
[BCs]
[left_temp]
type = DirichletBC
variable = temp
boundary = 'plank_left'
value = 400
[]
[right_temp]
type = DirichletBC
variable = temp
boundary = 'block_right'
value = 300
[]
[left_x]
type = DirichletBC
variable = disp_x
boundary = plank_left
value = 0.0
[]
[left_y]
type = DirichletBC
variable = disp_y
boundary = plank_bottom
value = 0.0
[]
[right_x]
type = ADFunctionDirichletBC
variable = disp_x
boundary = block_right
function = '-0.04*sin(4*(t+1.5))+0.02'
preset = false
[]
[right_y]
type = ADFunctionDirichletBC
variable = disp_y
boundary = block_right
function = '-t'
preset = false
[]
[]
[Materials]
[plank]
type = ADComputeIsotropicElasticityTensor
block = 'plank'
poissons_ratio = 0.3
youngs_modulus = ${E_plank}
[]
[block]
type = ADComputeIsotropicElasticityTensor
block = 'block'
poissons_ratio = 0.3
youngs_modulus = ${E_block}
[]
[stress]
type = ADComputeLinearElasticStress
block = 'plank block'
[]
[heat_plank]
type = ADHeatConductionMaterial
block = plank
thermal_conductivity = 2
specific_heat = 1
[]
[heat_block]
type = ADHeatConductionMaterial
block = block
thermal_conductivity = 1
specific_heat = 1
[]
[]
[Executioner]
type = Transient
solve_type = 'NEWTON'
petsc_options = '-snes_converged_reason -ksp_converged_reason'
petsc_options_iname = '-pc_type -pc_factor_shift_type -pc_factor_shift_amount -snes_max_it'
petsc_options_value = 'lu NONZERO 1e-15 20'
end_time = 13.5
dt = 0.1
dtmin = 0.1
timestep_tolerance = 1e-6
line_search = 'none'
[]
[Postprocessors]
[nl_its]
type = NumNonlinearIterations
[]
[total_nl_its]
type = CumulativeValuePostprocessor
postprocessor = nl_its
[]
[l_its]
type = NumLinearIterations
[]
[total_l_its]
type = CumulativeValuePostprocessor
postprocessor = l_its
[]
[contact]
type = ContactDOFSetSize
variable = frictionless_normal_lm
subdomain = frictionless_secondary_subdomain
[]
[avg_hydro]
type = ElementAverageValue
variable = hydrostatic_stress
block = 'block'
[]
[avg_temp]
type = ElementAverageValue
variable = temp
block = 'block'
[]
[max_hydro]
type = ElementExtremeValue
variable = hydrostatic_stress
block = 'block'
[]
[min_hydro]
type = ElementExtremeValue
variable = hydrostatic_stress
block = 'block'
value_type = min
[]
[avg_vonmises]
type = ElementAverageValue
variable = vonmises_stress
block = 'block'
[]
[max_vonmises]
type = ElementExtremeValue
variable = vonmises_stress
block = 'block'
[]
[min_vonmises]
type = ElementExtremeValue
variable = vonmises_stress
block = 'block'
value_type = min
[]
[]
[Outputs]
file_base = ${name}
[comp]
type = CSV
show = 'contact avg_temp'
[]
[out]
type = CSV
file_base = '${name}_out'
[]
[]
[Debug]
show_var_residual_norms = true
[]
(modules/contact/test/tests/bouncing-block-contact/mixed-weighted-gap-swapped.i)
starting_point = 2e-1
# We offset slightly so we avoid the case where the bottom of the secondary block and the top of the
# primary block are perfectly vertically aligned which can cause the backtracking line search some
# issues for a coarse mesh (basic line search handles that fine)
offset = 1e-2
[GlobalParams]
displacements = 'disp_x disp_y'
diffusivity = 1e0
correct_edge_dropping = true
[]
[Mesh]
second_order = true
[file_mesh]
type = FileMeshGenerator
file = long-bottom-block-1elem-blocks-coarse.e
[]
[]
[Variables]
[disp_x]
block = '1 2'
scaling = 1e1
order = SECOND
[]
[disp_y]
block = '1 2'
scaling = 1e1
order = SECOND
[]
[frictional_normal_lm]
block = 4
scaling = 1e3
[]
[]
[ICs]
[disp_y]
block = 2
variable = disp_y
value = '${fparse starting_point + offset}'
type = ConstantIC
[]
[]
[Kernels]
[disp_x]
type = MatDiffusion
variable = disp_x
[]
[disp_y]
type = MatDiffusion
variable = disp_y
[]
[]
[UserObjects]
[weighted_gap_uo]
type = LMWeightedGapUserObject
primary_boundary = 10
secondary_boundary = 20
primary_subdomain = 3
secondary_subdomain = 4
lm_variable = frictional_normal_lm
disp_x = disp_x
disp_y = disp_y
correct_edge_dropping = true
[]
[]
[Constraints]
[frictional_normal_lm]
type = ComputeWeightedGapLMMechanicalContact
primary_boundary = 10
secondary_boundary = 20
primary_subdomain = 3
secondary_subdomain = 4
variable = frictional_normal_lm
disp_x = disp_x
disp_y = disp_y
normalize_c = true
c = 1.0e-2
weighted_gap_uo = weighted_gap_uo
[]
[normal_x]
type = NormalMortarMechanicalContact
primary_boundary = 10
secondary_boundary = 20
primary_subdomain = 3
secondary_subdomain = 4
variable = frictional_normal_lm
secondary_variable = disp_x
component = x
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[normal_y]
type = NormalMortarMechanicalContact
primary_boundary = 10
secondary_boundary = 20
primary_subdomain = 3
secondary_subdomain = 4
variable = frictional_normal_lm
secondary_variable = disp_y
component = y
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[]
[BCs]
[botx]
type = DirichletBC
variable = disp_x
boundary = 40
value = 0.0
[]
[boty]
type = DirichletBC
variable = disp_y
boundary = 40
value = 0.0
[]
[topy]
type = FunctionDirichletBC
variable = disp_y
boundary = 30
function = '${starting_point} * cos(2 * pi / 40 * t) + ${offset}'
[]
[leftx]
type = FunctionDirichletBC
variable = disp_x
boundary = 50
function = '1e-2 * t'
[]
[]
[Executioner]
type = Transient
end_time = 200
dt = 5
dtmin = .1
solve_type = 'PJFNK'
petsc_options = '-snes_converged_reason -ksp_converged_reason'
petsc_options_iname = '-pc_type -pc_factor_shift_type -pc_factor_shift_amount'
petsc_options_value = 'lu NONZERO 1e-15'
l_max_its = 30
nl_max_its = 25
line_search = 'none'
nl_rel_tol = 1e-12
[]
[Debug]
show_var_residual_norms = true
[]
[Outputs]
exodus = true
[]
[Preconditioning]
[smp]
type = SMP
full = true
[]
[]
(modules/contact/test/tests/sliding_block/edge_dropping/two_equal_blocks_slide_3d.i)
[GlobalParams]
displacements = 'disp_x disp_y disp_z'
volumetric_locking_correction = true
[]
[Mesh]
[left_block]
type = GeneratedMeshGenerator
dim = 3
nx = 1
ny = 1
nz = 1
xmin = -1.0
xmax = 0.0
ymin = -0.5
ymax = 0.5
zmin = -0.5
zmax = 0.5
elem_type = HEX8
[]
[left_block_sidesets]
type = RenameBoundaryGenerator
input = left_block
old_boundary = '0 1 2 3 4 5'
new_boundary = 'left_bottom left_back left_right left_front left_left left_top'
[]
[left_block_id]
type = SubdomainIDGenerator
input = left_block_sidesets
subdomain_id = 1
[]
[right_block]
type = GeneratedMeshGenerator
dim = 3
nx = 2
ny = 2
nz = 2
xmin = 0.0
xmax = 1.0
ymin = -0.5
ymax = 0.5
zmin = -0.5
zmax = 0.5
elem_type = HEX8
[]
[right_block_sidesets]
type = RenameBoundaryGenerator
input = right_block
old_boundary = '0 1 2 3 4 5'
# new_boundary = 'right_bottom right_back right_right right_front right_left right_top'
new_boundary = '100 101 102 103 104 105'
[]
[right_block_sidesets_rename]
type = RenameBoundaryGenerator
input = right_block_sidesets
old_boundary = '100 101 102 103 104 105'
new_boundary = 'right_bottom right_back right_right right_front right_left right_top'
[]
[right_block_id]
type = SubdomainIDGenerator
input = right_block_sidesets_rename
subdomain_id = 2
[]
[combined_mesh]
type = MeshCollectionGenerator
inputs = 'left_block_id right_block_id'
[]
[left_lower]
type = LowerDBlockFromSidesetGenerator
input = combined_mesh
sidesets = 'left_right'
new_block_id = '10001'
new_block_name = 'secondary_lower'
[]
[right_lower]
type = LowerDBlockFromSidesetGenerator
input = left_lower
sidesets = 'right_left'
new_block_id = '10000'
new_block_name = 'primary_lower'
[]
[]
[Variables]
[normal_lm]
block = 'secondary_lower'
use_dual = true
[]
[]
[Physics/SolidMechanics/QuasiStatic]
[all]
strain = FINITE
incremental = true
add_variables = true
block = '1 2'
[]
[]
[Functions]
[horizontal_movement]
type = PiecewiseLinear
x = '0 0.1 4'
y = '0 0.05 0.05'
[]
[vertical_movement]
type = PiecewiseLinear
x = '0 0.1 4'
y = '0 0 0.3'
[]
[]
[BCs]
[push_left_x]
type = FunctionDirichletBC
variable = disp_x
boundary = 'left_left'
function = horizontal_movement
[]
[push_left_y]
type = FunctionDirichletBC
variable = disp_y
boundary = 'left_left'
function = vertical_movement
[]
[fix_left_z]
type = DirichletBC
variable = disp_z
boundary = 'left_left'
value = 0.0
[]
[fix_right_x]
type = DirichletBC
variable = disp_x
boundary = 'right_right'
value = 0.0
[]
[fix_right_y]
type = DirichletBC
variable = disp_y
boundary = 'right_right'
value = 0.0
[]
[fix_right_z]
type = DirichletBC
variable = disp_z
boundary = 'right_right'
value = 0.0
[]
[]
[Materials]
[elasticity_tensor_left]
type = ComputeIsotropicElasticityTensor
block = 1
youngs_modulus = 1.0e6
poissons_ratio = 0.3
[]
[stress_left]
type = ComputeFiniteStrainElasticStress
block = 1
[]
[elasticity_tensor_right]
type = ComputeIsotropicElasticityTensor
block = 2
youngs_modulus = 1.0e6
poissons_ratio = 0.3
[]
[stress_right]
type = ComputeFiniteStrainElasticStress
block = 2
[]
[]
[UserObjects]
[weighted_gap_uo]
type = LMWeightedGapUserObject
primary_boundary = '23'
secondary_boundary = '11'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
lm_variable = normal_lm
disp_x = disp_x
disp_y = disp_y
disp_z = disp_z
[]
[]
[Constraints]
[normal_lm]
type = ComputeWeightedGapLMMechanicalContact
primary_boundary = 'right_left'
secondary_boundary = 'left_right'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = normal_lm
disp_x = disp_x
disp_y = disp_y
disp_z = disp_z
use_displaced_mesh = true
correct_edge_dropping = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_x]
type = NormalMortarMechanicalContact
primary_boundary = 'right_left'
secondary_boundary = 'left_right'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = normal_lm
secondary_variable = disp_x
component = x
use_displaced_mesh = true
compute_lm_residuals = false
correct_edge_dropping = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_y]
type = NormalMortarMechanicalContact
primary_boundary = 'right_left'
secondary_boundary = 'left_right'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = normal_lm
secondary_variable = disp_y
component = y
use_displaced_mesh = true
compute_lm_residuals = false
correct_edge_dropping = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_z]
type = NormalMortarMechanicalContact
primary_boundary = 'right_left'
secondary_boundary = 'left_right'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = normal_lm
secondary_variable = disp_z
component = z
use_displaced_mesh = true
compute_lm_residuals = false
correct_edge_dropping = true
weighted_gap_uo = weighted_gap_uo
[]
[]
[Preconditioning]
[SMP]
type = SMP
full = true
[]
[]
[Executioner]
type = Transient
solve_type = 'PJFNK'
petsc_options_iname = '-pc_type -pc_factor_mat_solver_type -pc_factor_shift_type '
'-pc_factor_shift_amount'
petsc_options_value = 'lu superlu_dist nonzero 1e-10'
line_search = 'none'
dt = 0.1
dtmin = 0.01
end_time = 0.4
l_max_its = 20
nl_max_its = 20
nl_rel_tol = 1e-6
nl_abs_tol = 1e-8
snesmf_reuse_base = false
[]
[Outputs]
csv = true
execute_on = 'FINAL'
[]
[Postprocessors]
[contact]
type = ContactDOFSetSize
variable = normal_lm
subdomain = 'secondary_lower'
[]
[normal_lm]
type = ElementAverageValue
variable = normal_lm
block = 'secondary_lower'
[]
[avg_disp_x]
type = ElementAverageValue
variable = disp_x
block = '1 2'
[]
[avg_disp_y]
type = ElementAverageValue
variable = disp_y
block = '1 2'
[]
[max_disp_x]
type = ElementExtremeValue
variable = disp_x
block = '1 2'
[]
[max_disp_y]
type = ElementExtremeValue
variable = disp_y
block = '1 2'
[]
[min_disp_x]
type = ElementExtremeValue
variable = disp_x
block = '1 2'
value_type = min
[]
[min_disp_y]
type = ElementExtremeValue
variable = disp_y
block = '1 2'
value_type = min
[]
[]
(modules/combined/test/tests/gap_heat_transfer_mortar/finite-2d/finite_rr.i)
E_block = 1e7
E_plank = 1e7
elem = QUAD4
order = FIRST
name = 'finite'
[Mesh]
patch_size = 80
patch_update_strategy = auto
[plank]
type = GeneratedMeshGenerator
dim = 2
xmin = -0.3
xmax = 0.3
ymin = -10
ymax = 10
nx = 2
ny = 67
elem_type = ${elem}
boundary_name_prefix = plank
[]
[plank_id]
type = SubdomainIDGenerator
input = plank
subdomain_id = 1
[]
[block]
type = GeneratedMeshGenerator
dim = 2
xmin = 0.31
xmax = 0.91
ymin = 7.7
ymax = 8.5
nx = 3
ny = 4
elem_type = ${elem}
boundary_name_prefix = block
boundary_id_offset = 10
[]
[block_id]
type = SubdomainIDGenerator
input = block
subdomain_id = 2
[]
[combined]
type = MeshCollectionGenerator
inputs = 'plank_id block_id'
[]
[block_rename]
type = RenameBlockGenerator
input = combined
old_block = '1 2'
new_block = 'plank block'
[]
[secondary]
input = block_rename
type = LowerDBlockFromSidesetGenerator
sidesets = 'block_left'
new_block_id = '30'
new_block_name = 'frictionless_secondary_subdomain'
[]
[primary]
input = secondary
type = LowerDBlockFromSidesetGenerator
sidesets = 'plank_right'
new_block_id = '20'
new_block_name = 'frictionless_primary_subdomain'
[]
[]
[GlobalParams]
displacements = 'disp_x disp_y'
[]
[Problem]
type = ReferenceResidualProblem
reference_vector = 'ref'
extra_tag_vectors = 'ref'
converge_on = 'disp_x disp_y temp'
[]
[Variables]
[disp_x]
order = ${order}
block = 'plank block'
scaling = ${fparse 2.0 / (E_plank + E_block)}
[]
[disp_y]
order = ${order}
block = 'plank block'
scaling = ${fparse 2.0 / (E_plank + E_block)}
[]
[temp]
order = ${order}
block = 'plank block'
scaling = 1e-1
[]
[thermal_lm]
order = ${order}
block = 'frictionless_secondary_subdomain'
scaling = 1e-7
[]
[frictionless_normal_lm]
order = ${order}
block = 'frictionless_secondary_subdomain'
use_dual = true
[]
[]
[Physics/SolidMechanics/QuasiStatic]
[action]
generate_output = 'stress_xx stress_yy stress_zz vonmises_stress hydrostatic_stress strain_xx strain_yy strain_zz'
block = 'plank block'
use_automatic_differentiation = true
strain = FINITE
extra_vector_tags = 'ref'
[]
[]
[Kernels]
[hc]
type = ADHeatConduction
variable = temp
use_displaced_mesh = true
block = 'plank block'
extra_vector_tags = 'ref'
[]
[]
[UserObjects]
[weighted_gap_uo]
type = LMWeightedGapUserObject
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
lm_variable = frictionless_normal_lm
disp_x = disp_x
disp_y = disp_y
[]
[]
[Constraints]
[weighted_gap_lm]
type = ComputeWeightedGapLMMechanicalContact
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
variable = frictionless_normal_lm
disp_x = disp_x
disp_y = disp_y
use_displaced_mesh = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_x]
type = NormalMortarMechanicalContact
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
variable = frictionless_normal_lm
secondary_variable = disp_x
component = x
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[normal_y]
type = NormalMortarMechanicalContact
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
variable = frictionless_normal_lm
secondary_variable = disp_y
component = y
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[thermal_contact]
type = GapConductanceConstraint
variable = thermal_lm
secondary_variable = temp
k = 1
use_displaced_mesh = true
primary_boundary = plank_right
primary_subdomain = frictionless_primary_subdomain
secondary_boundary = block_left
secondary_subdomain = frictionless_secondary_subdomain
displacements = 'disp_x disp_y'
[]
[]
[BCs]
[left_temp]
type = ADDirichletBC
variable = temp
boundary = 'plank_left'
value = 400
[]
[right_temp]
type = ADDirichletBC
variable = temp
boundary = 'block_right'
value = 300
[]
[left_x]
type = ADDirichletBC
variable = disp_x
boundary = plank_left
value = 0.0
[]
[left_y]
type = ADDirichletBC
variable = disp_y
boundary = plank_bottom
value = 0.0
[]
[right_x]
type = ADFunctionDirichletBC
variable = disp_x
boundary = block_right
function = '-0.04*sin(4*(t+1.5))+0.02'
preset = false
[]
[right_y]
type = ADFunctionDirichletBC
variable = disp_y
boundary = block_right
function = '-t'
preset = false
[]
[]
[Materials]
[plank]
type = ADComputeIsotropicElasticityTensor
block = 'plank'
poissons_ratio = 0.3
youngs_modulus = ${E_plank}
[]
[block]
type = ADComputeIsotropicElasticityTensor
block = 'block'
poissons_ratio = 0.3
youngs_modulus = ${E_block}
[]
[stress]
type = ADComputeFiniteStrainElasticStress
block = 'plank block'
[]
[heat_plank]
type = ADHeatConductionMaterial
block = plank
thermal_conductivity = 2
specific_heat = 1
[]
[heat_block]
type = ADHeatConductionMaterial
block = block
thermal_conductivity = 1
specific_heat = 1
[]
[]
[Executioner]
type = Transient
solve_type = 'NEWTON'
petsc_options = '-snes_converged_reason -ksp_converged_reason'
petsc_options_iname = '-pc_type -pc_factor_shift_type -pc_factor_shift_amount -snes_max_it'
petsc_options_value = 'lu NONZERO 1e-15 20'
end_time = 13.5
dt = 0.1
dtmin = 0.1
timestep_tolerance = 1e-6
line_search = 'none'
nl_abs_tol = 1e-13
[]
[Postprocessors]
[nl_its]
type = NumNonlinearIterations
[]
[total_nl_its]
type = CumulativeValuePostprocessor
postprocessor = nl_its
[]
[l_its]
type = NumLinearIterations
[]
[total_l_its]
type = CumulativeValuePostprocessor
postprocessor = l_its
[]
[contact]
type = ContactDOFSetSize
variable = frictionless_normal_lm
subdomain = frictionless_secondary_subdomain
[]
[avg_hydro]
type = ElementAverageValue
variable = hydrostatic_stress
block = 'block'
[]
[avg_temp]
type = ElementAverageValue
variable = temp
block = 'block'
[]
[max_hydro]
type = ElementExtremeValue
variable = hydrostatic_stress
block = 'block'
[]
[min_hydro]
type = ElementExtremeValue
variable = hydrostatic_stress
block = 'block'
value_type = min
[]
[avg_vonmises]
type = ElementAverageValue
variable = vonmises_stress
block = 'block'
[]
[max_vonmises]
type = ElementExtremeValue
variable = vonmises_stress
block = 'block'
[]
[min_vonmises]
type = ElementExtremeValue
variable = vonmises_stress
block = 'block'
value_type = min
[]
[]
[Outputs]
file_base = ${name}
[comp]
type = CSV
show = 'contact avg_temp'
[]
[out]
type = CSV
file_base = '${name}_out'
[]
[dof]
type = DOFMap
execute_on = 'initial'
[]
[]
[Debug]
show_var_residual_norms = true
[]
(modules/contact/test/tests/mortar_aux_kernels/block-dynamics-aux-wear.i)
starting_point = 0.5e-1
offset = -0.05
[GlobalParams]
displacements = 'disp_x disp_y'
[]
[Mesh]
file = long-bottom-block-1elem-blocks.e
[]
[Variables]
[disp_x]
block = '1 2'
[]
[disp_y]
block = '1 2'
[]
[normal_lm]
block = 3
use_dual = true
[]
[]
[ICs]
[disp_y]
block = 2
variable = disp_y
value = '${fparse starting_point + offset}'
type = ConstantIC
[]
[]
[Kernels]
[DynamicTensorMechanics]
displacements = 'disp_x disp_y'
generate_output = 'stress_xx stress_yy'
strain = FINITE
block = '1 2'
stiffness_damping_coefficient = 1.0
hht_alpha = 0.0
[]
[inertia_x]
type = InertialForce
variable = disp_x
velocity = vel_x
acceleration = accel_x
beta = 0.25
gamma = 0.5
alpha = 0
eta = 0.0
block = '1 2'
[]
[inertia_y]
type = InertialForce
variable = disp_y
velocity = vel_y
acceleration = accel_y
beta = 0.25
gamma = 0.5
alpha = 0
eta = 0.0
block = '1 2'
[]
[]
[Materials]
[elasticity_2]
type = ComputeIsotropicElasticityTensor
block = '2'
youngs_modulus = 1e6
poissons_ratio = 0.3
[]
[elasticity_1]
type = ComputeIsotropicElasticityTensor
block = '1'
youngs_modulus = 1e8
poissons_ratio = 0.3
[]
[stress]
type = ComputeFiniteStrainElasticStress
block = '1 2'
[]
[strain]
type = ComputeFiniteStrain
block = '1 2'
[]
[density]
type = GenericConstantMaterial
block = '1 2'
prop_names = 'density'
prop_values = '7750'
[]
[]
[AuxVariables]
[worn_depth]
block = '3'
[]
[vel_x]
block = '1 2'
[]
[accel_x]
block = '1 2'
[]
[vel_y]
block = '1 2'
[]
[accel_y]
block = '1 2'
[]
[vel_z]
block = '1 2'
[]
[accel_z]
block = '1 2'
[]
[]
[AuxKernels]
[worn_depth]
type = MortarArchardsLawAux
variable = worn_depth
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
displacements = 'disp_x disp_y'
friction_coefficient = 0.5
energy_wear_coefficient = 1.0
normal_pressure = normal_lm
[]
[accel_x]
type = NewmarkAccelAux
variable = accel_x
displacement = disp_x
velocity = vel_x
beta = 0.25
execute_on = 'linear timestep_end'
[]
[vel_x]
type = NewmarkVelAux
variable = vel_x
acceleration = accel_x
gamma = 0.5
execute_on = 'linear timestep_end'
[]
[accel_y]
type = NewmarkAccelAux
variable = accel_y
displacement = disp_y
velocity = vel_y
beta = 0.25
execute_on = 'linear timestep_end'
[]
[vel_y]
type = NewmarkVelAux
variable = vel_y
acceleration = accel_y
gamma = 0.5
execute_on = 'linear timestep_end'
[]
[]
[UserObjects]
[weighted_gap_uo]
type = LMWeightedGapUserObject
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
lm_variable = normal_lm
disp_x = disp_x
disp_y = disp_y
[]
[]
[Constraints]
[weighted_gap_lm]
type = ComputeDynamicWeightedGapLMMechanicalContact
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
variable = normal_lm
disp_x = disp_x
disp_y = disp_y
use_displaced_mesh = true
c = 1e4
capture_tolerance = 1.0e-5
newmark_beta = 0.25
newmark_gamma = 0.5
[]
[normal_x]
type = NormalMortarMechanicalContact
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
variable = normal_lm
secondary_variable = disp_x
component = x
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[normal_y]
type = NormalMortarMechanicalContact
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
variable = normal_lm
secondary_variable = disp_y
component = y
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[]
[BCs]
[botx]
type = DirichletBC
variable = disp_x
boundary = 40
value = 0.0
[]
[boty]
type = DirichletBC
variable = disp_y
boundary = 40
value = 0.0
[]
[topy]
type = FunctionDirichletBC
variable = disp_y
boundary = 30
function = '${starting_point} * cos(8.0 * pi / 4 * t) + ${offset}'
[]
[leftx]
type = FunctionDirichletBC
variable = disp_x
boundary = 50
function = '1e-2 * t'
[]
[]
[Executioner]
type = Transient
end_time = 0.675
dt = 0.075
dtmin = .075
solve_type = 'NEWTON'
petsc_options = '-snes_converged_reason -ksp_converged_reason -pc_svd_monitor '
'-snes_linesearch_monitor -snes_ksp_ew'
petsc_options_iname = '-pc_type -pc_factor_mat_solver_type -pc_factor_shift_type -pc_factor_shift_amount '
petsc_options_value = 'lu superlu_dist NONZERO 1e-15'
nl_max_its = 30
line_search = 'l2'
snesmf_reuse_base = false
[TimeIntegrator]
type = NewmarkBeta
beta = 0.25
gamma = 0.5
[]
[]
[Debug]
show_var_residual_norms = true
[]
[Outputs]
exodus = true
checkpoint = true
[]
[Preconditioning]
[smp]
type = SMP
full = true
[]
[]
[Postprocessors]
active = 'num_nl cumulative contact'
[num_nl]
type = NumNonlinearIterations
[]
[cumulative]
type = CumulativeValuePostprocessor
postprocessor = num_nl
[]
[contact]
type = ContactDOFSetSize
variable = normal_lm
subdomain = '3'
execute_on = 'nonlinear timestep_end'
[]
[]
(modules/contact/test/tests/3d-mortar-contact/frictionless-mortar-3d-test-derivative-trimming.i)
starting_point = 0.25
offset = 0.00
[GlobalParams]
displacements = 'disp_x disp_y disp_z'
diffusivity = 1e0
scaling = 1e0
[]
[Mesh]
second_order = false
[top_block]
type = GeneratedMeshGenerator
dim = 3
nx = 3
ny = 3
nz = 3
xmin = -0.25
xmax = 0.25
ymin = -0.25
ymax = 0.25
zmin = -0.25
zmax = 0.25
elem_type = HEX8
[]
[rotate_top_block]
type = TransformGenerator
input = top_block
transform = ROTATE
vector_value = '0 0 0'
[]
[top_block_sidesets]
type = RenameBoundaryGenerator
input = rotate_top_block
old_boundary = '0 1 2 3 4 5'
new_boundary = 'top_bottom top_back top_right top_front top_left top_top'
[]
[top_block_id]
type = SubdomainIDGenerator
input = top_block_sidesets
subdomain_id = 1
[]
[bottom_block]
type = GeneratedMeshGenerator
dim = 3
nx = 1
ny = 1
nz = 1
xmin = -.5
xmax = .5
ymin = -.5
ymax = .5
zmin = -.3
zmax = -.25
elem_type = HEX8
[]
[bottom_block_id]
type = SubdomainIDGenerator
input = bottom_block
subdomain_id = 2
[]
[bottom_block_change_boundary_id]
type = RenameBoundaryGenerator
input = bottom_block_id
old_boundary = '0 1 2 3 4 5'
new_boundary = '100 101 102 103 104 105'
[]
[combined]
type = MeshCollectionGenerator
inputs = 'top_block_id bottom_block_change_boundary_id'
[]
[block_rename]
type = RenameBlockGenerator
input = combined
old_block = '1 2'
new_block = 'top_block bottom_block'
[]
[bottom_right_sideset]
type = SideSetsAroundSubdomainGenerator
input = block_rename
new_boundary = bottom_right
block = bottom_block
normal = '1 0 0'
[]
[bottom_left_sideset]
type = SideSetsAroundSubdomainGenerator
input = bottom_right_sideset
new_boundary = bottom_left
block = bottom_block
normal = '-1 0 0'
[]
[bottom_top_sideset]
type = SideSetsAroundSubdomainGenerator
input = bottom_left_sideset
new_boundary = bottom_top
block = bottom_block
normal = '0 0 1'
[]
[bottom_bottom_sideset]
type = SideSetsAroundSubdomainGenerator
input = bottom_top_sideset
new_boundary = bottom_bottom
block = bottom_block
normal = '0 0 -1'
[]
[bottom_front_sideset]
type = SideSetsAroundSubdomainGenerator
input = bottom_bottom_sideset
new_boundary = bottom_front
block = bottom_block
normal = '0 1 0'
[]
[bottom_back_sideset]
type = SideSetsAroundSubdomainGenerator
input = bottom_front_sideset
new_boundary = bottom_back
block = bottom_block
normal = '0 -1 0'
[]
[secondary]
input = bottom_back_sideset
type = LowerDBlockFromSidesetGenerator
sidesets = 'top_bottom' # top_back top_left'
new_block_id = '10001'
new_block_name = 'secondary_lower'
[]
[primary]
input = secondary
type = LowerDBlockFromSidesetGenerator
sidesets = 'bottom_top'
new_block_id = '10000'
new_block_name = 'primary_lower'
[]
[]
[Variables]
[disp_x]
block = '1 2'
[]
[disp_y]
block = '1 2'
[]
[disp_z]
block = '1 2'
[]
[mortar_normal_lm]
block = 'secondary_lower'
use_dual = true
[]
[]
[ICs]
[disp_z]
block = 1
variable = disp_z
value = '${fparse offset}'
type = ConstantIC
[]
[disp_x]
block = 1
variable = disp_x
value = 0
type = ConstantIC
[]
[disp_y]
block = 1
variable = disp_y
value = 0
type = ConstantIC
[]
[]
[Kernels]
[disp_x]
type = MatDiffusion
variable = disp_x
[]
[disp_y]
type = MatDiffusion
variable = disp_y
[]
[disp_z]
type = MatDiffusion
variable = disp_z
[]
[]
[UserObjects]
[weighted_gap_uo]
type = LMWeightedGapUserObject
primary_boundary = 'bottom_top'
secondary_boundary = 'top_bottom'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
lm_variable = mortar_normal_lm
disp_x = disp_x
disp_y = disp_y
disp_z = disp_z
[]
[]
[Constraints]
[normal_lm]
type = ComputeWeightedGapLMMechanicalContact
primary_boundary = 'bottom_top'
secondary_boundary = 'top_bottom'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = mortar_normal_lm
disp_x = disp_x
disp_y = disp_y
disp_z = disp_z
use_displaced_mesh = true
c = 1.0e4
weighted_gap_uo = weighted_gap_uo
[]
[normal_x]
type = NormalMortarMechanicalContact
primary_boundary = 'bottom_top'
secondary_boundary = 'top_bottom'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = mortar_normal_lm
secondary_variable = disp_x
component = x
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[normal_y]
type = NormalMortarMechanicalContact
primary_boundary = 'bottom_top'
secondary_boundary = 'top_bottom'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = mortar_normal_lm
secondary_variable = disp_y
component = y
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[normal_z]
type = NormalMortarMechanicalContact
primary_boundary = 'bottom_top'
secondary_boundary = 'top_bottom'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = mortar_normal_lm
secondary_variable = disp_z
component = z
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[]
[BCs]
[botx]
type = DirichletBC
variable = disp_x
boundary = 'bottom_left bottom_right bottom_front bottom_back'
value = 0.0
[]
[boty]
type = DirichletBC
variable = disp_y
boundary = 'bottom_left bottom_right bottom_front bottom_back'
value = 0.0
[]
[botz]
type = DirichletBC
variable = disp_z
boundary = 'bottom_left bottom_right bottom_front bottom_back'
value = 0.0
[]
[topx]
type = DirichletBC
variable = disp_x
boundary = 'top_top'
value = 0.0
[]
[topy]
type = DirichletBC
variable = disp_y
boundary = 'top_top'
value = 0.0
[]
[topz]
type = FunctionDirichletBC
variable = disp_z
boundary = 'top_top'
function = '-${starting_point} * sin(2 * pi / 40 * t) + ${offset}'
[]
[]
[Executioner]
type = Transient
end_time = 1
dt = .5
dtmin = .01
solve_type = 'PJFNK'
petsc_options = '-snes_converged_reason -ksp_converged_reason -pc_svd_monitor '
'-snes_linesearch_monitor'
petsc_options_iname = '-pc_type -pc_factor_mat_solver_type -pc_factor_shift_type -pc_factor_shift_amount -mat_mffd_err'
petsc_options_value = 'lu superlu_dist NONZERO 1e-15 1e-5'
l_max_its = 100
nl_max_its = 30
# nl_rel_tol = 1e-6
nl_abs_tol = 1e-12
line_search = 'none'
snesmf_reuse_base = false
[]
[Debug]
show_var_residual_norms = true
[]
[Outputs]
exodus = true
csv = true
[]
[Preconditioning]
[smp]
type = SMP
full = true
[]
[]
[Postprocessors]
active = 'num_nl cumulative contact'
[num_nl]
type = NumNonlinearIterations
[]
[cumulative]
type = CumulativeValuePostprocessor
postprocessor = num_nl
[]
[contact]
type = ContactDOFSetSize
variable = mortar_normal_lm
subdomain = 'secondary_lower'
execute_on = 'nonlinear timestep_end'
[]
[]
[VectorPostprocessors]
[contact-pressure]
type = NodalValueSampler
block = secondary_lower
variable = mortar_normal_lm
sort_by = 'id'
execute_on = NONLINEAR
[]
[]
(modules/combined/test/tests/gap_heat_transfer_mortar/finite-2d/finite.i)
E_block = 1e7
E_plank = 1e7
elem = QUAD4
order = FIRST
name = 'finite'
[Mesh]
patch_size = 80
patch_update_strategy = auto
[plank]
type = GeneratedMeshGenerator
dim = 2
xmin = -0.3
xmax = 0.3
ymin = -10
ymax = 10
nx = 2
ny = 67
elem_type = ${elem}
boundary_name_prefix = plank
[]
[plank_id]
type = SubdomainIDGenerator
input = plank
subdomain_id = 1
[]
[block]
type = GeneratedMeshGenerator
dim = 2
xmin = 0.31
xmax = 0.91
ymin = 7.7
ymax = 8.5
nx = 3
ny = 4
elem_type = ${elem}
boundary_name_prefix = block
boundary_id_offset = 10
[]
[block_id]
type = SubdomainIDGenerator
input = block
subdomain_id = 2
[]
[combined]
type = MeshCollectionGenerator
inputs = 'plank_id block_id'
[]
[block_rename]
type = RenameBlockGenerator
input = combined
old_block = '1 2'
new_block = 'plank block'
[]
[secondary]
input = block_rename
type = LowerDBlockFromSidesetGenerator
sidesets = 'block_left'
new_block_id = '30'
new_block_name = 'frictionless_secondary_subdomain'
[]
[primary]
input = secondary
type = LowerDBlockFromSidesetGenerator
sidesets = 'plank_right'
new_block_id = '20'
new_block_name = 'frictionless_primary_subdomain'
[]
[]
[GlobalParams]
displacements = 'disp_x disp_y'
[]
[Variables]
[disp_x]
order = ${order}
block = 'plank block'
scaling = ${fparse 2.0 / (E_plank + E_block)}
[]
[disp_y]
order = ${order}
block = 'plank block'
scaling = ${fparse 2.0 / (E_plank + E_block)}
[]
[temp]
order = ${order}
block = 'plank block'
scaling = 1e-1
[]
[thermal_lm]
order = ${order}
block = 'frictionless_secondary_subdomain'
scaling = 1e-7
[]
[frictionless_normal_lm]
order = ${order}
block = 'frictionless_secondary_subdomain'
use_dual = true
[]
[]
[Physics/SolidMechanics/QuasiStatic]
[action]
generate_output = 'stress_xx stress_yy stress_zz vonmises_stress hydrostatic_stress strain_xx strain_yy strain_zz'
block = 'plank block'
use_automatic_differentiation = true
strain = FINITE
[]
[]
[Kernels]
[hc]
type = ADHeatConduction
variable = temp
use_displaced_mesh = true
block = 'plank block'
[]
[]
[UserObjects]
[weighted_gap_uo]
type = LMWeightedGapUserObject
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
lm_variable = frictionless_normal_lm
disp_x = disp_x
disp_y = disp_y
[]
[]
[Constraints]
[weighted_gap_lm]
type = ComputeWeightedGapLMMechanicalContact
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
variable = frictionless_normal_lm
disp_x = disp_x
disp_y = disp_y
use_displaced_mesh = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_x]
type = NormalMortarMechanicalContact
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
variable = frictionless_normal_lm
secondary_variable = disp_x
component = x
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[normal_y]
type = NormalMortarMechanicalContact
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
variable = frictionless_normal_lm
secondary_variable = disp_y
component = y
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[thermal_contact]
type = GapConductanceConstraint
variable = thermal_lm
secondary_variable = temp
k = 1
use_displaced_mesh = true
primary_boundary = plank_right
primary_subdomain = frictionless_primary_subdomain
secondary_boundary = block_left
secondary_subdomain = frictionless_secondary_subdomain
displacements = 'disp_x disp_y'
[]
[]
[BCs]
[left_temp]
type = ADDirichletBC
variable = temp
boundary = 'plank_left'
value = 400
[]
[right_temp]
type = ADDirichletBC
variable = temp
boundary = 'block_right'
value = 300
[]
[left_x]
type = ADDirichletBC
variable = disp_x
boundary = plank_left
value = 0.0
[]
[left_y]
type = ADDirichletBC
variable = disp_y
boundary = plank_bottom
value = 0.0
[]
[right_x]
type = ADFunctionDirichletBC
variable = disp_x
boundary = block_right
function = '-0.04*sin(4*(t+1.5))+0.02'
preset = false
[]
[right_y]
type = ADFunctionDirichletBC
variable = disp_y
boundary = block_right
function = '-t'
preset = false
[]
[]
[Materials]
[plank]
type = ADComputeIsotropicElasticityTensor
block = 'plank'
poissons_ratio = 0.3
youngs_modulus = ${E_plank}
[]
[block]
type = ADComputeIsotropicElasticityTensor
block = 'block'
poissons_ratio = 0.3
youngs_modulus = ${E_block}
[]
[stress]
type = ADComputeFiniteStrainElasticStress
block = 'plank block'
[]
[heat_plank]
type = ADHeatConductionMaterial
block = plank
thermal_conductivity = 2
specific_heat = 1
[]
[heat_block]
type = ADHeatConductionMaterial
block = block
thermal_conductivity = 1
specific_heat = 1
[]
[]
[Executioner]
type = Transient
solve_type = 'NEWTON'
petsc_options = '-snes_converged_reason -ksp_converged_reason'
petsc_options_iname = '-pc_type -pc_factor_shift_type -pc_factor_shift_amount -snes_max_it'
petsc_options_value = 'lu NONZERO 1e-15 20'
end_time = 13.5
dt = 0.1
dtmin = 0.1
timestep_tolerance = 1e-6
line_search = 'none'
[]
[Postprocessors]
[nl_its]
type = NumNonlinearIterations
[]
[total_nl_its]
type = CumulativeValuePostprocessor
postprocessor = nl_its
[]
[l_its]
type = NumLinearIterations
[]
[total_l_its]
type = CumulativeValuePostprocessor
postprocessor = l_its
[]
[contact]
type = ContactDOFSetSize
variable = frictionless_normal_lm
subdomain = frictionless_secondary_subdomain
[]
[avg_hydro]
type = ElementAverageValue
variable = hydrostatic_stress
block = 'block'
[]
[avg_temp]
type = ElementAverageValue
variable = temp
block = 'block'
[]
[max_hydro]
type = ElementExtremeValue
variable = hydrostatic_stress
block = 'block'
[]
[min_hydro]
type = ElementExtremeValue
variable = hydrostatic_stress
block = 'block'
value_type = min
[]
[avg_vonmises]
type = ElementAverageValue
variable = vonmises_stress
block = 'block'
[]
[max_vonmises]
type = ElementExtremeValue
variable = vonmises_stress
block = 'block'
[]
[min_vonmises]
type = ElementExtremeValue
variable = vonmises_stress
block = 'block'
value_type = min
[]
[]
[Outputs]
file_base = ${name}
[comp]
type = CSV
show = 'contact avg_temp'
[]
[out]
type = CSV
file_base = '${name}_out'
[]
[dof]
type = DOFMap
execute_on = 'initial'
[]
[]
[Debug]
show_var_residual_norms = true
[]
(modules/contact/test/tests/mortar_dynamics/block-dynamics.i)
starting_point = 2e-1
offset = -0.19
[GlobalParams]
displacements = 'disp_x disp_y'
[]
[Mesh]
file = long-bottom-block-1elem-blocks.e
[]
[Variables]
[disp_x]
block = '1 2'
[]
[disp_y]
block = '1 2'
[]
[normal_lm]
block = 3
use_dual = true
[]
[]
[ICs]
[disp_y]
block = 2
variable = disp_y
value = '${fparse starting_point + offset}'
type = ConstantIC
[]
[]
[Kernels]
[DynamicTensorMechanics]
displacements = 'disp_x disp_y'
generate_output = 'stress_xx stress_yy'
strain = FINITE
block = '1 2'
stiffness_damping_coefficient = 1.0
hht_alpha = 0.0
[]
[inertia_x]
type = InertialForce
variable = disp_x
velocity = vel_x
acceleration = accel_x
beta = 0.25
gamma = 0.5
alpha = 0
eta = 0.0
block = '1 2'
[]
[inertia_y]
type = InertialForce
variable = disp_y
velocity = vel_y
acceleration = accel_y
beta = 0.25
gamma = 0.5
alpha = 0
eta = 0.0
block = '1 2'
[]
[]
[Materials]
[elasticity_2]
type = ComputeIsotropicElasticityTensor
block = '2'
youngs_modulus = 1e6
poissons_ratio = 0.3
[]
[elasticity_1]
type = ComputeIsotropicElasticityTensor
block = '1'
youngs_modulus = 1e8
poissons_ratio = 0.3
[]
[stress]
type = ComputeFiniteStrainElasticStress
block = '1 2'
[]
[strain]
type = ComputeFiniteStrain
block = '1 2'
[]
[density]
type = GenericConstantMaterial
block = '1 2'
prop_names = 'density'
prop_values = '7750'
[]
[]
[AuxVariables]
[vel_x]
block = '1 2'
[]
[accel_x]
block = '1 2'
[]
[vel_y]
block = '1 2'
[]
[accel_y]
block = '1 2'
[]
[vel_z]
block = '1 2'
[]
[accel_z]
block = '1 2'
[]
[]
[AuxKernels]
[accel_x]
type = NewmarkAccelAux
variable = accel_x
displacement = disp_x
velocity = vel_x
beta = 0.25
execute_on = 'LINEAR timestep_end'
[]
[vel_x]
type = NewmarkVelAux
variable = vel_x
acceleration = accel_x
gamma = 0.5
execute_on = 'LINEAR timestep_end'
[]
[accel_y]
type = NewmarkAccelAux
variable = accel_y
displacement = disp_y
velocity = vel_y
beta = 0.25
execute_on = 'LINEAR timestep_end'
[]
[vel_y]
type = NewmarkVelAux
variable = vel_y
acceleration = accel_y
gamma = 0.5
execute_on = 'LINEAR timestep_end'
[]
[]
# User object provides the contact force (e.g. LM)
# for the application of the generalized force
[UserObjects]
[weighted_gap_uo]
type = LMWeightedGapUserObject
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
lm_variable = normal_lm
disp_x = disp_x
disp_y = disp_y
[]
[]
[Constraints]
[weighted_gap_lm]
type = ComputeDynamicWeightedGapLMMechanicalContact
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
variable = normal_lm
disp_x = disp_x
disp_y = disp_y
use_displaced_mesh = true
c = 1e4
capture_tolerance = 1.0e-5
newmark_beta = 0.25
newmark_gamma = 0.5
[]
[normal_x]
type = NormalMortarMechanicalContact
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
variable = normal_lm
secondary_variable = disp_x
component = x
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[normal_y]
type = NormalMortarMechanicalContact
primary_boundary = 20
secondary_boundary = 10
primary_subdomain = 4
secondary_subdomain = 3
variable = normal_lm
secondary_variable = disp_y
component = y
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[]
[BCs]
[botx]
type = DirichletBC
variable = disp_x
boundary = 40
value = 0.0
[]
[boty]
type = DirichletBC
variable = disp_y
boundary = 40
value = 0.0
[]
[topy]
type = FunctionDirichletBC
variable = disp_y
boundary = 30
function = '${starting_point} * cos(2 * pi / 4 * t) + ${offset}'
[]
[leftx]
type = FunctionDirichletBC
variable = disp_x
boundary = 50
function = '1e-2 * t'
[]
[]
[Executioner]
type = Transient
end_time = 75
dt = 0.05
dtmin = .05
solve_type = 'PJFNK'
petsc_options = '-snes_converged_reason -ksp_converged_reason -pc_svd_monitor '
'-snes_linesearch_monitor -snes_ksp_ew'
petsc_options_iname = '-pc_type -pc_factor_shift_type -pc_factor_shift_amount -mat_mffd_err '
petsc_options_value = 'lu NONZERO 1e-15 1e-5'
nl_max_its = 20
line_search = 'none'
snesmf_reuse_base = false
[TimeIntegrator]
type = NewmarkBeta
beta = 0.25
gamma = 0.5
[]
[]
[Debug]
show_var_residual_norms = true
[]
[Outputs]
exodus = true
checkpoint = true
[]
[Preconditioning]
[smp]
type = SMP
full = true
[]
[]
[Postprocessors]
active = 'num_nl cumulative contact'
[num_nl]
type = NumNonlinearIterations
[]
[cumulative]
type = CumulativeValuePostprocessor
postprocessor = num_nl
[]
[contact]
type = ContactDOFSetSize
variable = normal_lm
subdomain = '3'
execute_on = 'nonlinear timestep_end'
[]
[]
(modules/contact/test/tests/simple_contact/two_block_compress/two_equal_blocks_compress_3d_pg.i)
[GlobalParams]
displacements = 'disp_x disp_y disp_z'
volumetric_locking_correction = true
[]
[Mesh]
[left_block]
type = GeneratedMeshGenerator
dim = 3
nx = 1
ny = 1
nz = 1
xmin = -1.0
xmax = 0.0
ymin = -0.5
ymax = 0.5
zmin = -0.5
zmax = 0.5
elem_type = HEX8
[]
[left_block_sidesets]
type = RenameBoundaryGenerator
input = left_block
old_boundary = '0 1 2 3 4 5'
new_boundary = 'left_bottom left_back left_right left_front left_left left_top'
[]
[left_block_id]
type = SubdomainIDGenerator
input = left_block_sidesets
subdomain_id = 1
[]
[right_block]
type = GeneratedMeshGenerator
dim = 3
nx = 2
ny = 2
nz = 2
xmin = 0.0
xmax = 1.0
ymin = -0.5
ymax = 0.5
zmin = -0.5
zmax = 0.5
elem_type = HEX8
[]
[right_block_sidesets]
type = RenameBoundaryGenerator
input = right_block
old_boundary = '0 1 2 3 4 5'
# new_boundary = 'right_bottom right_back right_right right_front right_left right_top'
new_boundary = '100 101 102 103 104 105'
[]
[right_block_sidesets_rename]
type = RenameBoundaryGenerator
input = right_block_sidesets
old_boundary = '100 101 102 103 104 105'
new_boundary = 'right_bottom right_back right_right right_front right_left right_top'
[]
[right_block_id]
type = SubdomainIDGenerator
input = right_block_sidesets_rename
subdomain_id = 2
[]
[combined_mesh]
type = MeshCollectionGenerator
inputs = 'left_block_id right_block_id'
[]
[left_lower]
type = LowerDBlockFromSidesetGenerator
input = combined_mesh
sidesets = 'left_right'
new_block_id = '10001'
new_block_name = 'secondary_lower'
[]
[right_lower]
type = LowerDBlockFromSidesetGenerator
input = left_lower
sidesets = 'right_left'
new_block_id = '10000'
new_block_name = 'primary_lower'
[]
[]
[Variables]
[normal_lm]
block = 'secondary_lower'
use_dual = true
[]
[]
[AuxVariables]
[aux_lm]
block = 'secondary_lower'
use_dual = false
[]
[]
[Physics/SolidMechanics/QuasiStatic]
[all]
strain = FINITE
incremental = true
add_variables = true
block = '1 2'
[]
[]
[Functions]
[horizontal_movement]
type = PiecewiseLinear
x = '0 0.5'
y = '0 0.2'
[]
[vertical_movement]
type = PiecewiseLinear
x = '0 1.0'
y = '0 0'
[]
[]
[BCs]
[push_left_x]
type = FunctionDirichletBC
variable = disp_x
boundary = 'left_left'
function = horizontal_movement
[]
[push_left_y]
type = FunctionDirichletBC
variable = disp_y
boundary = 'left_left'
function = vertical_movement
[]
[fix_left_z]
type = DirichletBC
variable = disp_z
boundary = 'left_left'
value = 0.0
[]
[fix_right_x]
type = DirichletBC
variable = disp_x
boundary = 'right_right'
value = 0.0
[]
[fix_right_y]
type = DirichletBC
variable = disp_y
boundary = 'right_right'
value = 0.0
[]
[fix_right_z]
type = DirichletBC
variable = disp_z
boundary = 'right_right'
value = 0.0
[]
[]
[Materials]
[elasticity_tensor_left]
type = ComputeIsotropicElasticityTensor
block = 1
youngs_modulus = 1.0e6
poissons_ratio = 0.3
[]
[stress_left]
type = ComputeFiniteStrainElasticStress
block = 1
[]
[elasticity_tensor_right]
type = ComputeIsotropicElasticityTensor
block = 2
youngs_modulus = 1.0e6
poissons_ratio = 0.3
[]
[stress_right]
type = ComputeFiniteStrainElasticStress
block = 2
[]
[]
[UserObjects]
[weighted_gap_uo]
type = LMWeightedGapUserObject
primary_boundary = '23'
secondary_boundary = '11'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
correct_edge_dropping = true
lm_variable = normal_lm
disp_x = disp_x
disp_y = disp_y
disp_z = disp_z
use_petrov_galerkin = true
aux_lm = aux_lm
[]
[]
[Constraints]
[normal_lm]
type = ComputeWeightedGapLMMechanicalContact
primary_boundary = 'right_left'
secondary_boundary = 'left_right'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = normal_lm
disp_x = disp_x
disp_y = disp_y
disp_z = disp_z
use_displaced_mesh = true
correct_edge_dropping = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_x]
type = NormalMortarMechanicalContact
primary_boundary = 'right_left'
secondary_boundary = 'left_right'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = normal_lm
secondary_variable = disp_x
component = x
use_displaced_mesh = true
compute_lm_residuals = false
correct_edge_dropping = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_y]
type = NormalMortarMechanicalContact
primary_boundary = 'right_left'
secondary_boundary = 'left_right'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = normal_lm
secondary_variable = disp_y
component = y
use_displaced_mesh = true
compute_lm_residuals = false
correct_edge_dropping = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_z]
type = NormalMortarMechanicalContact
primary_boundary = 'right_left'
secondary_boundary = 'left_right'
primary_subdomain = 'primary_lower'
secondary_subdomain = 'secondary_lower'
variable = normal_lm
secondary_variable = disp_z
component = z
use_displaced_mesh = true
compute_lm_residuals = false
correct_edge_dropping = true
weighted_gap_uo = weighted_gap_uo
[]
[]
[Preconditioning]
[SMP]
type = SMP
full = true
[]
[]
[Executioner]
type = Transient
solve_type = 'PJFNK'
petsc_options_iname = '-pc_type -pc_factor_mat_solver_type -pc_factor_shift_type '
'-pc_factor_shift_amount'
petsc_options_value = 'lu superlu_dist nonzero 1e-10'
line_search = 'none'
dt = 0.1
dtmin = 0.01
end_time = 0.4
l_max_its = 20
nl_max_its = 20
nl_rel_tol = 1e-6
nl_abs_tol = 1e-8
snesmf_reuse_base = false
[]
[Outputs]
csv = true
execute_on = 'FINAL'
[]
[Postprocessors]
[contact]
type = ContactDOFSetSize
variable = normal_lm
subdomain = 'secondary_lower'
[]
[normal_lm]
type = ElementAverageValue
variable = normal_lm
block = 'secondary_lower'
[]
[avg_disp_x]
type = ElementAverageValue
variable = disp_x
block = '1 2'
[]
[avg_disp_y]
type = ElementAverageValue
variable = disp_y
block = '1 2'
[]
[max_disp_x]
type = ElementExtremeValue
variable = disp_x
block = '1 2'
[]
[max_disp_y]
type = ElementExtremeValue
variable = disp_y
block = '1 2'
[]
[min_disp_x]
type = ElementExtremeValue
variable = disp_x
block = '1 2'
value_type = min
[]
[min_disp_y]
type = ElementExtremeValue
variable = disp_y
block = '1 2'
value_type = min
[]
[]
(modules/combined/test/tests/gap_heat_transfer_mortar/finite-2d-rz/finite.i)
E_block = 1e7
E_plank = 1e7
elem = QUAD4
order = FIRST
name = 'finite'
[Mesh]
patch_size = 80
patch_update_strategy = auto
coord_type = RZ
[plank]
type = GeneratedMeshGenerator
dim = 2
xmin = 0
xmax = 0.6
ymin = -10
ymax = 10
nx = 2
ny = 67
elem_type = ${elem}
boundary_name_prefix = plank
[]
[plank_id]
type = SubdomainIDGenerator
input = plank
subdomain_id = 1
[]
[block]
type = GeneratedMeshGenerator
dim = 2
xmin = 0.61
xmax = 1.21
ymin = 7.7
ymax = 8.5
nx = 3
ny = 4
elem_type = ${elem}
boundary_name_prefix = block
boundary_id_offset = 10
[]
[block_id]
type = SubdomainIDGenerator
input = block
subdomain_id = 2
[]
[combined]
type = MeshCollectionGenerator
inputs = 'plank_id block_id'
[]
[block_rename]
type = RenameBlockGenerator
input = combined
old_block = '1 2'
new_block = 'plank block'
[]
[secondary]
input = block_rename
type = LowerDBlockFromSidesetGenerator
sidesets = 'block_left'
new_block_id = '30'
new_block_name = 'frictionless_secondary_subdomain'
[]
[primary]
input = secondary
type = LowerDBlockFromSidesetGenerator
sidesets = 'plank_right'
new_block_id = '20'
new_block_name = 'frictionless_primary_subdomain'
[]
[]
[GlobalParams]
displacements = 'disp_x disp_y'
[]
[Variables]
[disp_x]
order = ${order}
block = 'plank block'
scaling = ${fparse 2.0 / (E_plank + E_block)}
[]
[disp_y]
order = ${order}
block = 'plank block'
scaling = ${fparse 2.0 / (E_plank + E_block)}
[]
[temp]
order = ${order}
block = 'plank block'
scaling = 1e-1
[]
[thermal_lm]
order = ${order}
block = 'frictionless_secondary_subdomain'
scaling = 1e-7
[]
[frictionless_normal_lm]
order = ${order}
block = 'frictionless_secondary_subdomain'
use_dual = true
[]
[]
[Physics/SolidMechanics/QuasiStatic]
[action]
generate_output = 'stress_xx stress_yy stress_zz vonmises_stress hydrostatic_stress strain_xx strain_yy strain_zz'
block = 'plank block'
use_automatic_differentiation = true
strain = FINITE
[]
[]
[Kernels]
[hc]
type = ADHeatConduction
variable = temp
use_displaced_mesh = true
block = 'plank block'
[]
[]
[UserObjects]
[weighted_gap_uo]
type = LMWeightedGapUserObject
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
lm_variable = frictionless_normal_lm
disp_x = disp_x
disp_y = disp_y
[]
[]
[Constraints]
[weighted_gap_lm]
type = ComputeWeightedGapLMMechanicalContact
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
variable = frictionless_normal_lm
disp_x = disp_x
disp_y = disp_y
use_displaced_mesh = true
weighted_gap_uo = weighted_gap_uo
[]
[normal_x]
type = NormalMortarMechanicalContact
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
variable = frictionless_normal_lm
secondary_variable = disp_x
component = x
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[normal_y]
type = NormalMortarMechanicalContact
primary_boundary = plank_right
secondary_boundary = block_left
primary_subdomain = frictionless_primary_subdomain
secondary_subdomain = frictionless_secondary_subdomain
variable = frictionless_normal_lm
secondary_variable = disp_y
component = y
use_displaced_mesh = true
compute_lm_residuals = false
weighted_gap_uo = weighted_gap_uo
[]
[thermal_contact]
type = GapConductanceConstraint
variable = thermal_lm
secondary_variable = temp
k = 1
use_displaced_mesh = true
primary_boundary = plank_right
primary_subdomain = frictionless_primary_subdomain
secondary_boundary = block_left
secondary_subdomain = frictionless_secondary_subdomain
displacements = 'disp_x disp_y'
[]
[]
[BCs]
[left_temp]
type = DirichletBC
variable = temp
boundary = 'plank_left'
value = 400
[]
[right_temp]
type = DirichletBC
variable = temp
boundary = 'block_right'
value = 300
[]
[left_x]
type = DirichletBC
variable = disp_x
boundary = plank_left
value = 0.0
[]
[left_y]
type = DirichletBC
variable = disp_y
boundary = plank_bottom
value = 0.0
[]
[right_x]
type = ADFunctionDirichletBC
variable = disp_x
boundary = block_right
function = '-0.04*sin(4*(t+1.5))+0.02'
preset = false
[]
[right_y]
type = ADFunctionDirichletBC
variable = disp_y
boundary = block_right
function = '-t'
preset = false
[]
[]
[Materials]
[plank]
type = ADComputeIsotropicElasticityTensor
block = 'plank'
poissons_ratio = 0.3
youngs_modulus = ${E_plank}
[]
[block]
type = ADComputeIsotropicElasticityTensor
block = 'block'
poissons_ratio = 0.3
youngs_modulus = ${E_block}
[]
[stress]
type = ADComputeFiniteStrainElasticStress
block = 'plank block'
[]
[heat_plank]
type = ADHeatConductionMaterial
block = plank
thermal_conductivity = 2
specific_heat = 1
[]
[heat_block]
type = ADHeatConductionMaterial
block = block
thermal_conductivity = 1
specific_heat = 1
[]
[]
[Executioner]
type = Transient
solve_type = 'NEWTON'
petsc_options = '-snes_converged_reason -ksp_converged_reason'
petsc_options_iname = '-pc_type -pc_factor_shift_type -pc_factor_shift_amount -snes_max_it'
petsc_options_value = 'lu NONZERO 1e-15 20'
end_time = 13.5
dt = 0.1
dtmin = 0.1
timestep_tolerance = 1e-6
line_search = 'none'
[]
[Postprocessors]
[nl_its]
type = NumNonlinearIterations
[]
[total_nl_its]
type = CumulativeValuePostprocessor
postprocessor = nl_its
[]
[l_its]
type = NumLinearIterations
[]
[total_l_its]
type = CumulativeValuePostprocessor
postprocessor = l_its
[]
[contact]
type = ContactDOFSetSize
variable = frictionless_normal_lm
subdomain = frictionless_secondary_subdomain
[]
[avg_hydro]
type = ElementAverageValue
variable = hydrostatic_stress
block = 'block'
[]
[avg_temp]
type = ElementAverageValue
variable = temp
block = 'block'
[]
[max_hydro]
type = ElementExtremeValue
variable = hydrostatic_stress
block = 'block'
[]
[min_hydro]
type = ElementExtremeValue
variable = hydrostatic_stress
block = 'block'
value_type = min
[]
[avg_vonmises]
type = ElementAverageValue
variable = vonmises_stress
block = 'block'
[]
[max_vonmises]
type = ElementExtremeValue
variable = vonmises_stress
block = 'block'
[]
[min_vonmises]
type = ElementExtremeValue
variable = vonmises_stress
block = 'block'
value_type = min
[]
[]
[Outputs]
file_base = ${name}
[comp]
type = CSV
show = 'contact avg_temp'
[]
[out]
type = CSV
file_base = '${name}_out'
[]
[]
[Debug]
show_var_residual_norms = true
[]
(modules/contact/include/userobjects/LMWeightedVelocitiesUserObject.h)
// This file is part of the MOOSE framework
// https://mooseframework.inl.gov
//
// All rights reserved, see COPYRIGHT for full restrictions
// https://github.com/idaholab/moose/blob/master/COPYRIGHT
//
// Licensed under LGPL 2.1, please see LICENSE for details
// https://www.gnu.org/licenses/lgpl-2.1.html
#pragma once
#include "WeightedVelocitiesUserObject.h"
#include "LMWeightedGapUserObject.h"
template <typename>
class MooseVariableFE;
/**
* Nodal-based mortar contact user object for frictional problem
*/
class LMWeightedVelocitiesUserObject : public WeightedVelocitiesUserObject,
public LMWeightedGapUserObject
{
public:
static InputParameters validParams();
LMWeightedVelocitiesUserObject(const InputParameters & parameters);
virtual const ADVariableValue & contactTangentialPressureDirOne() const override;
virtual const ADVariableValue & contactTangentialPressureDirTwo() const override;
protected:
/// The Lagrange multiplier variables representing the tangential contact pressure
const MooseVariableFE<Real> * const _lm_variable_tangential_one;
const MooseVariableFE<Real> * const _lm_variable_tangential_two;
};