- execute_onTIMESTEP_ENDThe list of flag(s) indicating when this object should be executed, the available options include NONE, INITIAL, LINEAR, NONLINEAR, TIMESTEP_END, TIMESTEP_BEGIN, FINAL, CUSTOM, ALWAYS.
Default:TIMESTEP_END
C++ Type:ExecFlagEnum
Controllable:No
Description:The list of flag(s) indicating when this object should be executed, the available options include NONE, INITIAL, LINEAR, NONLINEAR, TIMESTEP_END, TIMESTEP_BEGIN, FINAL, CUSTOM, ALWAYS.
- forceforce acting on grains
C++ Type:std::vector<double>
Controllable:No
Description:force acting on grains
- 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
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.
- torquetorque acting on grains
C++ Type:std::vector<double>
Controllable:No
Description:torque acting on grains
ConstantGrainForceAndTorque
buildconstruction:Undocumented Class
The ConstantGrainForceAndTorque has not been documented. The content listed below should be used as a starting point for documenting the class, which includes the typical automatic documentation associated with a MooseObject; however, what is contained is ultimately determined by what is necessary to make the documentation clear for users.
Userobject for calculating force and torque acting on a grain
Overview
Example Input File Syntax
Input 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).
- 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.
- 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
- use_displaced_meshFalseWhether 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:False
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
Input Files
- (modules/phase_field/test/tests/rigidbodymotion/grain_forcesum.i)
- (modules/phase_field/test/tests/rigidbodymotion/grain_maskedforce.i)
- (modules/phase_field/test/tests/rigidbodymotion/grain_motion2.i)
- (modules/phase_field/test/tests/rigidbodymotion/update_orientation.i)
- (modules/phase_field/test/tests/rigidbodymotion/grain_motion.i)
- (modules/phase_field/test/tests/rigidbodymotion/update_orientation_verify.i)
- (modules/phase_field/examples/rigidbodymotion/AC_CH_advection_constforce_rect.i)
(modules/phase_field/test/tests/rigidbodymotion/grain_forcesum.i)
# test file for showing summing forces and torques obtained from other userobjects
[GlobalParams]
var_name_base = eta
op_num = 2
[]
[Mesh]
type = GeneratedMesh
dim = 2
nx = 5
ny = 3
nz = 0
xmax = 50
ymax = 25
zmax = 0
elem_type = QUAD4
[]
[Variables]
[./c]
order = FIRST
family = LAGRANGE
[./InitialCondition]
type = SpecifiedSmoothCircleIC
invalue = 1.0
outvalue = 0.1
int_width = 6.0
x_positions = '20.0 30.0 '
z_positions = '0.0 0.0 '
y_positions = '0.0 25.0 '
radii = '14.0 14.0'
3D_spheres = false
variable = c
[../]
[../]
[./w]
order = FIRST
family = LAGRANGE
[../]
[]
[Kernels]
[./c_res]
type = SplitCHParsed
variable = c
f_name = F
kappa_name = kappa_c
w = w
[../]
[./w_res]
type = SplitCHWRes
variable = w
mob_name = M
[../]
[./time]
type = CoupledTimeDerivative
variable = w
v = c
[../]
[]
[Materials]
[./pfmobility]
type = GenericConstantMaterial
prop_names = 'M kappa_c kappa_eta'
prop_values = '5.0 2.0 0.1'
[../]
[./free_energy]
type = DerivativeParsedMaterial
f_name = F
args = c
constant_names = 'barr_height cv_eq'
constant_expressions = '0.1 1.0e-2'
function = 16*barr_height*(c-cv_eq)^2*(1-cv_eq-c)^2
derivative_order = 2
[../]
[./force_density]
type = ForceDensityMaterial
c = c
etas ='eta0 eta1'
[../]
[]
[AuxVariables]
[./eta0]
[../]
[./eta1]
[../]
[./bnds]
[../]
[./df00]
order = CONSTANT
family = MONOMIAL
[../]
[./df01]
order = CONSTANT
family = MONOMIAL
[../]
[./df10]
order = CONSTANT
family = MONOMIAL
[../]
[./df11]
order = CONSTANT
family = MONOMIAL
[../]
[]
[ICs]
[./ic_eta0]
int_width = 6.0
x1 = 20.0
y1 = 0.0
radius = 14.0
outvalue = 0.0
variable = eta0
invalue = 1.0
type = SmoothCircleIC
[../]
[./IC_eta1]
int_width = 6.0
x1 = 30.0
y1 = 25.0
radius = 14.0
outvalue = 0.0
variable = eta1
invalue = 1.0
type = SmoothCircleIC
[../]
[]
[VectorPostprocessors]
[./forces_dns]
type = GrainForcesPostprocessor
grain_force = grain_force_dns
[../]
[./forces_cosnt]
type = GrainForcesPostprocessor
grain_force = grain_force_const
[../]
[./forces_total]
type = GrainForcesPostprocessor
grain_force = grain_force
[../]
[]
[UserObjects]
[./grain_center]
type = GrainTracker
outputs = none
compute_var_to_feature_map = true
execute_on = 'initial timestep_begin'
[../]
[./grain_force_dns]
type = ComputeGrainForceAndTorque
c = c
etas = 'eta0 eta1'
execute_on = 'linear nonlinear'
grain_data = grain_center
force_density = force_density
[../]
[./grain_force_const]
type = ConstantGrainForceAndTorque
execute_on = 'linear nonlinear'
force = '2.0 0.0 0.0 0.0 0.0 0.0'
torque = '0.0 0.0 0.0 0.0 0.0 0.0'
[../]
[./grain_force]
type = GrainForceAndTorqueSum
execute_on = 'linear nonlinear'
grain_forces = 'grain_force_dns grain_force_const'
grain_num = 2
[../]
[]
[Preconditioning]
[./SMP]
type = SMP
full = true
[../]
[]
[Executioner]
type = Transient
scheme = bdf2
solve_type = NEWTON
petsc_options_iname = '-pc_type -ksp_gmres_restart -sub_ksp_type -sub_pc_type -pc_asm_overlap'
petsc_options_value = 'asm 31 preonly lu 1'
l_max_its = 20
nl_max_its = 20
l_tol = 1.0e-4
nl_rel_tol = 1.0e-10
start_time = 0.0
num_steps = 2
dt = 0.1
[]
[Outputs]
exodus = true
csv = true
[]
(modules/phase_field/test/tests/rigidbodymotion/grain_maskedforce.i)
# test file for showing pinning of grains
[GlobalParams]
var_name_base = eta
op_num = 2
[]
[Mesh]
type = GeneratedMesh
dim = 2
nx = 25
ny = 15
nz = 0
xmax = 50
ymax = 25
zmax = 0
elem_type = QUAD4
[]
[Variables]
[./c]
order = FIRST
family = LAGRANGE
[./InitialCondition]
type = SpecifiedSmoothCircleIC
invalue = 1.0
outvalue = 0.1
int_width = 4.0
x_positions = '20.0 30.0 '
z_positions = '0.0 0.0 '
y_positions = '0.0 25.0 '
radii = '10.0 10.0'
3D_spheres = false
variable = c
block = 0
[../]
[../]
[./w]
order = FIRST
family = LAGRANGE
[../]
[]
[Kernels]
[./c_res]
type = SplitCHParsed
variable = c
f_name = F
kappa_name = kappa_c
w = w
[../]
[./w_res]
type = SplitCHWRes
variable = w
mob_name = M
[../]
[./time]
type = CoupledTimeDerivative
variable = w
v = c
[../]
[./motion]
type = MultiGrainRigidBodyMotion
c = c
variable = w
v = 'eta0 eta1'
grain_tracker_object = grain_center
grain_force = grain_force
grain_volumes = grain_volumes
[../]
[]
[Materials]
[./pfmobility]
type = GenericConstantMaterial
block = 0
prop_names = 'M kappa_c kappa_eta'
prop_values = '5.0 2.0 0.1'
[../]
[./free_energy]
type = DerivativeParsedMaterial
block = 0
f_name = F
args = c
constant_names = 'barr_height cv_eq'
constant_expressions = '0.1 1.0e-2'
function = 16*barr_height*(c-cv_eq)^2*(1-cv_eq-c)^2
derivative_order = 2
[../]
[]
[AuxVariables]
[./eta0]
[../]
[./eta1]
[../]
[./bnds]
[../]
[]
[AuxKernels]
[./bnds]
type = BndsCalcAux
variable = bnds
var_name_base = eta
op_num = 2
v = 'eta0 eta1'
block = 0
[../]
[]
[ICs]
[./ic_eta0]
int_width = 4.0
x1 = 20.0
y1 = 0.0
radius = 10.0
outvalue = 0.0
variable = eta0
invalue = 1.0
type = SmoothCircleIC
[../]
[./IC_eta1]
int_width = 4.0
x1 = 30.0
y1 = 25.0
radius = 10.0
outvalue = 0.0
variable = eta1
invalue = 1.0
type = SmoothCircleIC
[../]
[]
[VectorPostprocessors]
[./forces_cosnt]
type = GrainForcesPostprocessor
grain_force = grain_force_const
[../]
[./forces_total]
type = GrainForcesPostprocessor
grain_force = grain_force
[../]
[./grain_volumes]
type = FeatureVolumeVectorPostprocessor
flood_counter = grain_center
execute_on = 'initial timestep_begin'
[../]
[]
[UserObjects]
[./grain_center]
type = GrainTracker
outputs = none
compute_var_to_feature_map = true
execute_on = 'initial timestep_begin'
[../]
[./grain_force_const]
type = ConstantGrainForceAndTorque
execute_on = 'linear nonlinear'
force = '5.0 10.0 0.0 1.0 0.0 0.0'
torque = '0.0 0.0 50.0 0.0 0.0 5.0'
[../]
[./grain_force]
type = MaskedGrainForceAndTorque
grain_force = grain_force_const
pinned_grains = 0
execute_on = 'linear nonlinear'
[../]
[]
[Preconditioning]
[./SMP]
type = SMP
full = true
[../]
[]
[Executioner]
type = Transient
scheme = bdf2
solve_type = NEWTON
petsc_options_iname = '-pc_type -ksp_gmres_restart -sub_ksp_type -sub_pc_type -pc_asm_overlap'
petsc_options_value = 'asm 31 preonly lu 1'
l_max_its = 20
nl_max_its = 20
l_tol = 1.0e-4
nl_rel_tol = 1.0e-10
start_time = 0.0
num_steps = 1
dt = 1.0
[]
[Outputs]
exodus = true
csv = true
[]
(modules/phase_field/test/tests/rigidbodymotion/grain_motion2.i)
# test file for applyting advection term and observing rigid body motion of grains
[Mesh]
type = GeneratedMesh
dim = 2
nx = 25
ny = 15
nz = 0
xmax = 50
ymax = 25
zmax = 0
elem_type = QUAD4
[]
[Variables]
[./c]
order = FIRST
family = LAGRANGE
[../]
[./w]
order = FIRST
family = LAGRANGE
[../]
[./eta]
order = FIRST
family = LAGRANGE
[../]
[]
[AuxVariables]
[./vadvx]
order = CONSTANT
family = MONOMIAL
[../]
[./vadvy]
order = CONSTANT
family = MONOMIAL
[../]
[./unique_grains]
order = CONSTANT
family = MONOMIAL
[../]
[./centroids]
order = CONSTANT
family = MONOMIAL
[../]
[]
[Kernels]
[./c_res]
type = SplitCHParsed
variable = c
f_name = F
kappa_name = kappa_c
w = w
args = eta
[../]
[./w_res]
type = SplitCHWRes
variable = w
mob_name = M
[../]
[./time]
type = CoupledTimeDerivative
variable = w
v = c
[../]
[./motion]
type = MultiGrainRigidBodyMotion
variable = w
c = c
v = eta
grain_tracker_object = grain_center
grain_force = grain_force
grain_volumes = grain_volumes
[../]
[./eta_dot]
type = TimeDerivative
variable = eta
[../]
[./vadv_eta]
type = SingleGrainRigidBodyMotion
variable = eta
c = c
v = eta
grain_tracker_object = grain_center
grain_force = grain_force
grain_volumes = grain_volumes
[../]
[./acint_eta]
type = ACInterface
variable = eta
mob_name = M
args = c
kappa_name = kappa_eta
[../]
[./acbulk_eta]
type = AllenCahn
variable = eta
mob_name = M
f_name = F
args = c
[../]
[]
[AuxKernels]
[./vadv_x]
type = GrainAdvectionAux
component = x
grain_tracker_object = grain_center
grain_force = grain_force
grain_volumes = grain_volumes
variable = vadvx
[../]
[./vadv_y]
type = GrainAdvectionAux
component = y
grain_tracker_object = grain_center
grain_force = grain_force
grain_volumes = grain_volumes
variable = vadvy
[../]
[./unique_grains]
type = FeatureFloodCountAux
variable = unique_grains
flood_counter = grain_center
field_display = UNIQUE_REGION
execute_on = 'initial timestep_begin'
[../]
[./centroids]
type = FeatureFloodCountAux
variable = centroids
execute_on = 'initial timestep_begin'
field_display = CENTROID
flood_counter = grain_center
[../]
[]
[Materials]
[./pfmobility]
type = GenericConstantMaterial
prop_names = 'M kappa_c kappa_eta'
prop_values = '5.0 2.0 0.1'
[../]
[./free_energy]
type = DerivativeParsedMaterial
args = 'c eta'
constant_names = 'barr_height cv_eq'
constant_expressions = '0.1 1.0e-2'
function = 16*barr_height*(c-cv_eq)^2*(1-cv_eq-c)^2+(c-eta)^2
derivative_order = 2
[../]
[]
[VectorPostprocessors]
[./forces]
type = GrainForcesPostprocessor
grain_force = grain_force
[../]
[./grain_volumes]
type = FeatureVolumeVectorPostprocessor
flood_counter = grain_center
execute_on = 'initial timestep_begin'
[../]
[]
[UserObjects]
[./grain_center]
type = FauxGrainTracker
variable = eta
outputs = none
compute_var_to_feature_map = true
execute_on = 'initial timestep_begin'
[../]
[./grain_force]
type = ConstantGrainForceAndTorque
execute_on = 'initial linear nonlinear'
force = '0.5 0.0 0.0 '
torque = '0.0 0.0 10.0 '
[../]
[]
[Preconditioning]
[./SMP]
type = SMP
full = true
[../]
[]
[Executioner]
type = Transient
nl_max_its = 30
scheme = bdf2
solve_type = NEWTON
petsc_options_iname = '-pc_type -ksp_gmres_restart -sub_ksp_type -sub_pc_type -pc_asm_overlap'
petsc_options_value = 'asm 31 preonly lu 1'
l_max_its = 30
l_tol = 1.0e-4
nl_rel_tol = 1.0e-10
start_time = 0.0
dt = 0.5
num_steps = 1
[]
[Outputs]
exodus = true
[]
[ICs]
[./rect_c]
y2 = 20.0
y1 = 5.0
inside = 1.0
x2 = 30.0
variable = c
x1 = 10.0
type = BoundingBoxIC
[../]
[./rect_eta]
y2 = 20.0
y1 = 5.0
inside = 1.0
x2 = 30.0
variable = eta
x1 = 10.0
type = BoundingBoxIC
[../]
[]
(modules/phase_field/test/tests/rigidbodymotion/update_orientation.i)
# test file for applyting advection term and observing rigid body motion of grains
[Mesh]
type = GeneratedMesh
dim = 2
nx = 25
ny = 15
nz = 0
xmax = 50
ymax = 25
zmax = 0
elem_type = QUAD4
[]
[Variables]
[./c]
order = FIRST
family = LAGRANGE
[../]
[./w]
order = FIRST
family = LAGRANGE
[../]
[./eta]
order = FIRST
family = LAGRANGE
[../]
[]
[Kernels]
[./c_res]
type = SplitCHParsed
variable = c
f_name = F
kappa_name = kappa_c
w = w
args = eta
[../]
[./w_res]
type = SplitCHWRes
variable = w
mob_name = M
[../]
[./time]
type = CoupledTimeDerivative
variable = w
v = c
[../]
[./motion]
type = MultiGrainRigidBodyMotion
variable = w
c = c
v = eta
grain_tracker_object = grain_center
grain_force = grain_force
grain_volumes = grain_volumes
[../]
[./eta_dot]
type = TimeDerivative
variable = eta
[../]
[./vadv_eta]
type = SingleGrainRigidBodyMotion
variable = eta
c = c
v = eta
grain_tracker_object = grain_center
grain_force = grain_force
grain_volumes = grain_volumes
[../]
[./acint_eta]
type = ACInterface
variable = eta
mob_name = M
args = c
kappa_name = kappa_eta
[../]
[./acbulk_eta]
type = AllenCahn
variable = eta
mob_name = M
f_name = F
args = c
[../]
[]
[Materials]
[./pfmobility]
type = GenericConstantMaterial
prop_names = 'M kappa_c kappa_eta'
prop_values = '5.0 2.0 0.1'
[../]
[./free_energy]
type = DerivativeParsedMaterial
args = 'c eta'
constant_names = 'barr_height cv_eq'
constant_expressions = '0.1 1.0e-2'
function = 16*barr_height*(c-cv_eq)^2*(1-cv_eq-c)^2+(c-eta)^2
derivative_order = 2
[../]
[]
[AuxVariables]
[./unique_grains]
order = CONSTANT
family = MONOMIAL
[../]
[./var_indices]
order = CONSTANT
family = MONOMIAL
[../]
[./centroids]
order = CONSTANT
family = MONOMIAL
[../]
[./vadv_x]
order = CONSTANT
family = MONOMIAL
[../]
[./vadv_y]
order = CONSTANT
family = MONOMIAL
[../]
[./angle_initial]
order = CONSTANT
family = MONOMIAL
[../]
[./euler_angle]
order = CONSTANT
family = MONOMIAL
[../]
[]
[AuxKernels]
[./unique_grains]
type = FeatureFloodCountAux
variable = unique_grains
flood_counter = grain_center
field_display = UNIQUE_REGION
execute_on = timestep_begin
[../]
[./var_indices]
type = FeatureFloodCountAux
variable = var_indices
flood_counter = grain_center
field_display = VARIABLE_COLORING
execute_on = timestep_begin
[../]
[./centroids]
type = FeatureFloodCountAux
variable = centroids
execute_on = timestep_begin
field_display = CENTROID
flood_counter = grain_center
[../]
[./vadv_x]
type = GrainAdvectionAux
grain_force = grain_force
grain_volumes = grain_volumes
grain_tracker_object = grain_center
execute_on = timestep_begin
component = x
variable = vadv_x
[../]
[./vadv_y]
type = GrainAdvectionAux
grain_force = grain_force
grain_volumes = grain_volumes
grain_tracker_object = grain_center
execute_on = timestep_begin
component = y
variable = vadv_y
[../]
[./angle_initial]
type = OutputEulerAngles
variable = angle_initial
euler_angle_provider = euler_angle_initial
grain_tracker = grain_center
output_euler_angle = phi2
execute_on = timestep_begin
[../]
[./angle]
type = OutputEulerAngles
variable = euler_angle
euler_angle_provider = euler_angle
grain_tracker = grain_center
output_euler_angle = phi2
execute_on = timestep_begin
[../]
[]
[VectorPostprocessors]
[./forces]
type = GrainForcesPostprocessor
grain_force = grain_force
[../]
[./grain_volumes]
type = FeatureVolumeVectorPostprocessor
flood_counter = grain_center
execute_on = 'initial timestep_begin'
[../]
[]
[UserObjects]
[./grain_center]
type = GrainTracker
variable = eta
outputs = none
compute_var_to_feature_map = true
execute_on = 'initial timestep_begin'
[../]
[./grain_force]
type = ConstantGrainForceAndTorque
execute_on = 'initial timestep_begin linear nonlinear'
force = '0.5 0.0 0.0 '
torque = '0.0 0.0 10.0'
[../]
[./euler_angle_initial]
type = RandomEulerAngleProvider
grain_tracker_object = grain_center
execute_on = 'initial timestep_begin'
[../]
[./euler_angle]
type = EulerAngleUpdater
grain_tracker_object = grain_center
euler_angle_provider = euler_angle_initial
grain_torques_object = grain_force
grain_volumes = grain_volumes
execute_on = timestep_begin
[../]
[]
[Preconditioning]
[./SMP]
type = SMP
full = true
[../]
[]
[Executioner]
type = Transient
scheme = bdf2
solve_type = NEWTON
petsc_options_iname = '-pc_type -ksp_gmres_restart -sub_ksp_type -sub_pc_type -pc_asm_overlap'
petsc_options_value = 'asm 31 preonly lu 1'
nl_max_its = 30
l_max_its = 30
l_tol = 1.0e-4
nl_rel_tol = 1.0e-10
start_time = 0.0
dt = 0.2
num_steps = 5
[]
[Outputs]
exodus = true
[]
[ICs]
[./rect_c]
y2 = 20.0
y1 = 5.0
inside = 1.0
x2 = 30.0
variable = c
x1 = 10.0
type = BoundingBoxIC
[../]
[./rect_eta]
y2 = 20.0
y1 = 5.0
inside = 1.0
x2 = 30.0
variable = eta
x1 = 10.0
type = BoundingBoxIC
[../]
[]
(modules/phase_field/test/tests/rigidbodymotion/grain_motion.i)
# test file for applyting advection term and observing rigid body motion of grains
[Mesh]
type = GeneratedMesh
dim = 2
nx = 25
ny = 15
nz = 0
xmax = 50
ymax = 25
zmax = 0
elem_type = QUAD4
[]
[Variables]
[./c]
order = FIRST
family = LAGRANGE
[../]
[./w]
order = FIRST
family = LAGRANGE
[../]
[./eta]
order = FIRST
family = LAGRANGE
[../]
[]
[Kernels]
[./c_res]
type = SplitCHParsed
variable = c
f_name = F
kappa_name = kappa_c
w = w
args = eta
[../]
[./w_res]
type = SplitCHWRes
variable = w
mob_name = M
[../]
[./time]
type = CoupledTimeDerivative
variable = w
v = c
[../]
[./motion]
type = MultiGrainRigidBodyMotion
variable = w
c = c
v = eta
grain_tracker_object = grain_center
grain_force = grain_force
grain_volumes = grain_volumes
[../]
[./eta_dot]
type = TimeDerivative
variable = eta
[../]
[./vadv_eta]
type = SingleGrainRigidBodyMotion
variable = eta
c = c
v = eta
grain_tracker_object = grain_center
grain_force = grain_force
grain_volumes = grain_volumes
[../]
[./acint_eta]
type = ACInterface
variable = eta
mob_name = M
args = c
kappa_name = kappa_eta
[../]
[./acbulk_eta]
type = AllenCahn
variable = eta
mob_name = M
f_name = F
args = c
[../]
[]
[Materials]
[./pfmobility]
type = GenericConstantMaterial
prop_names = 'M kappa_c kappa_eta'
prop_values = '5.0 2.0 0.1'
[../]
[./free_energy]
type = DerivativeParsedMaterial
args = 'c eta'
constant_names = 'barr_height cv_eq'
constant_expressions = '0.1 1.0e-2'
function = 16*barr_height*(c-cv_eq)^2*(1-cv_eq-c)^2+(c-eta)^2
derivative_order = 2
[../]
[]
[VectorPostprocessors]
[./forces]
type = GrainForcesPostprocessor
grain_force = grain_force
[../]
[./grain_volumes]
type = FeatureVolumeVectorPostprocessor
flood_counter = grain_center
execute_on = 'initial timestep_begin'
[../]
[]
[UserObjects]
[./grain_center]
type = GrainTracker
variable = eta
outputs = none
compute_var_to_feature_map = true
execute_on = 'initial timestep_begin'
[../]
[./grain_force]
type = ConstantGrainForceAndTorque
execute_on = 'linear nonlinear'
force = '0.5 0.0 0.0 '
torque = '0.0 0.0 10.0 '
[../]
[]
[Preconditioning]
[./SMP]
type = SMP
full = true
[../]
[]
[Executioner]
type = Transient
nl_max_its = 30
scheme = bdf2
solve_type = NEWTON
petsc_options_iname = '-pc_type -ksp_gmres_restart -sub_ksp_type -sub_pc_type -pc_asm_overlap'
petsc_options_value = 'asm 31 preonly lu 1'
l_max_its = 30
l_tol = 1.0e-4
nl_rel_tol = 1.0e-10
start_time = 0.0
dt = 0.2
num_steps = 1
[]
[Outputs]
exodus = true
[]
[ICs]
[./rect_c]
y2 = 20.0
y1 = 5.0
inside = 1.0
x2 = 30.0
variable = c
x1 = 10.0
type = BoundingBoxIC
[../]
[./rect_eta]
y2 = 20.0
y1 = 5.0
inside = 1.0
x2 = 30.0
variable = eta
x1 = 10.0
type = BoundingBoxIC
[../]
[]
(modules/phase_field/test/tests/rigidbodymotion/update_orientation_verify.i)
# test file for applyting advection term and observing rigid body motion of grains
[Mesh]
type = GeneratedMesh
dim = 3
nx = 14
ny = 7
nz = 7
xmax = 40
ymax = 25
zmax = 25
elem_type = HEX8
[]
[Variables]
[./c]
order = FIRST
family = LAGRANGE
[../]
[./w]
order = FIRST
family = LAGRANGE
[../]
[./eta]
order = FIRST
family = LAGRANGE
[../]
[]
[Kernels]
[./c_res]
type = SplitCHParsed
variable = c
f_name = F
kappa_name = kappa_c
w = w
args = eta
[../]
[./w_res]
type = SplitCHWRes
variable = w
mob_name = M
[../]
[./time]
type = CoupledTimeDerivative
variable = w
v = c
[../]
[./motion]
type = MultiGrainRigidBodyMotion
variable = w
c = c
v = eta
grain_tracker_object = grain_center
grain_force = grain_force
grain_volumes = grain_volumes
[../]
[./eta_dot]
type = TimeDerivative
variable = eta
[../]
[./vadv_eta]
type = SingleGrainRigidBodyMotion
variable = eta
c = c
v = eta
grain_tracker_object = grain_center
grain_force = grain_force
grain_volumes = grain_volumes
[../]
[./acint_eta]
type = ACInterface
variable = eta
mob_name = M
args = c
kappa_name = kappa_eta
[../]
[./acbulk_eta]
type = AllenCahn
variable = eta
mob_name = M
f_name = F
args = c
[../]
[]
[Materials]
[./pfmobility]
type = GenericConstantMaterial
prop_names = 'M kappa_c kappa_eta'
prop_values = '5.0 2.0 0.1'
[../]
[./free_energy]
type = DerivativeParsedMaterial
args = 'c eta'
constant_names = 'barr_height cv_eq'
constant_expressions = '0.1 1.0e-2'
function = 16*barr_height*(c-cv_eq)^2*(1-cv_eq-c)^2+(c-eta)^2
derivative_order = 2
[../]
[]
[AuxVariables]
[./unique_grains]
order = CONSTANT
family = MONOMIAL
[../]
[./var_indices]
order = CONSTANT
family = MONOMIAL
[../]
[./centroids]
order = CONSTANT
family = MONOMIAL
[../]
[./vadv_x]
order = CONSTANT
family = MONOMIAL
[../]
[./vadv_y]
order = CONSTANT
family = MONOMIAL
[../]
[./angle_initial]
order = CONSTANT
family = MONOMIAL
[../]
[./euler_angle]
order = CONSTANT
family = MONOMIAL
[../]
[]
[AuxKernels]
[./unique_grains]
type = FeatureFloodCountAux
variable = unique_grains
flood_counter = grain_center
field_display = UNIQUE_REGION
execute_on = timestep_begin
[../]
[./var_indices]
type = FeatureFloodCountAux
variable = var_indices
flood_counter = grain_center
field_display = VARIABLE_COLORING
execute_on = timestep_begin
[../]
[./centroids]
type = FeatureFloodCountAux
variable = centroids
execute_on = timestep_begin
field_display = CENTROID
flood_counter = grain_center
[../]
[./vadv_x]
type = GrainAdvectionAux
grain_force = grain_force
grain_volumes = grain_volumes
grain_tracker_object = grain_center
execute_on = timestep_begin
component = x
variable = vadv_x
[../]
[./vadv_y]
type = GrainAdvectionAux
grain_force = grain_force
grain_volumes = grain_volumes
grain_tracker_object = grain_center
execute_on = timestep_begin
component = y
variable = vadv_y
[../]
[./angle_initial]
type = OutputEulerAngles
variable = angle_initial
euler_angle_provider = euler_angle_initial
grain_tracker = grain_center
output_euler_angle = phi2
execute_on = timestep_begin
[../]
[./angle]
type = OutputEulerAngles
variable = euler_angle
euler_angle_provider = euler_angle
grain_tracker = grain_center
output_euler_angle = phi2
execute_on = timestep_begin
[../]
[]
[VectorPostprocessors]
[./forces]
type = GrainForcesPostprocessor
grain_force = grain_force
[../]
[./grain_volumes]
type = FeatureVolumeVectorPostprocessor
flood_counter = grain_center
execute_on = 'initial timestep_begin'
[../]
[./angle_check]
type = EulerAngleUpdaterCheck
grain_tracker_object = grain_center
euler_angle_updater = euler_angle
grain_torques_object = grain_force
grain_volumes = grain_volumes
execute_on = timestep_begin
[../]
[]
[UserObjects]
[./grain_center]
type = GrainTracker
variable = eta
outputs = none
compute_var_to_feature_map = true
execute_on = 'initial timestep_begin'
[../]
[./grain_force]
type = ConstantGrainForceAndTorque
execute_on = 'initial timestep_begin linear nonlinear'
force = '0.5 0.0 0.0 '
torque = '-200.0 -120.0 1000.0'
[../]
[./euler_angle_initial]
type = RandomEulerAngleProvider
grain_tracker_object = grain_center
seed = 12356
execute_on = 'initial timestep_begin'
[../]
[./euler_angle]
type = EulerAngleUpdater
grain_tracker_object = grain_center
euler_angle_provider = euler_angle_initial
grain_torques_object = grain_force
grain_volumes = grain_volumes
execute_on = timestep_begin
[../]
[]
[Preconditioning]
[./SMP]
type = SMP
full = true
[../]
[]
[Executioner]
type = Transient
scheme = bdf2
solve_type = NEWTON
petsc_options_iname = '-pc_type -ksp_gmres_restart -sub_ksp_type -sub_pc_type -pc_asm_overlap'
petsc_options_value = 'asm 31 preonly lu 1'
nl_max_its = 30
l_max_its = 30
l_tol = 1.0e-4
nl_rel_tol = 1.0e-10
start_time = 0.0
dt = 0.2
num_steps = 2
[]
[Outputs]
csv = true
exodus = true
[]
[ICs]
[./rect_c]
y2 = 20.0
y1 = 5.0
z1 = 5.0
z2 = 20.0
inside = 1.0
x2 = 30.0
variable = c
x1 = 10.0
type = BoundingBoxIC
[../]
[./rect_eta]
y2 = 20.0
y1 = 5.0
inside = 1.0
x2 = 30.0
variable = eta
x1 = 10.0
z1 = 5.0
z2 = 20.0
type = BoundingBoxIC
[../]
[]
(modules/phase_field/examples/rigidbodymotion/AC_CH_advection_constforce_rect.i)
#
# Tests the Rigid Body Motion of grains due to applied forces.
# Concenterated forces and torques have been applied and corresponding
# advection velocities are calculated.
# Grain motion kernels make the grains translate and rotate as a rigidbody,
# applicable to grain movement in porous media
#
[Mesh]
type = GeneratedMesh
dim = 2
nx = 50
ny = 25
nz = 0
xmax = 50
ymax = 25
zmax = 0
elem_type = QUAD4
[]
[Variables]
[./c]
order = FIRST
family = LAGRANGE
[../]
[./w]
order = FIRST
family = LAGRANGE
[../]
[./eta]
order = FIRST
family = LAGRANGE
[../]
[]
[AuxVariables]
[./vadvx]
order = CONSTANT
family = MONOMIAL
[../]
[./vadvy]
order = CONSTANT
family = MONOMIAL
[../]
[]
[Kernels]
[./c_res]
type = SplitCHParsed
variable = c
f_name = F
kappa_name = kappa_c
w = w
args = eta
[../]
[./w_res]
type = SplitCHWRes
variable = w
mob_name = M
[../]
[./time]
type = CoupledTimeDerivative
variable = w
v = c
[../]
[./motion]
# advection kernel corrsponding to CH equation
type = MultiGrainRigidBodyMotion
variable = w
c = c
v = eta
grain_tracker_object = grain_center
grain_force = grain_force
grain_volumes = grain_volumes
[../]
[./eta_dot]
type = TimeDerivative
variable = eta
[../]
[./vadv_eta]
# advection kernel corrsponding to AC equation
type = SingleGrainRigidBodyMotion
variable = eta
c = c
v = eta
grain_tracker_object = grain_center
grain_force = grain_force
grain_volumes = grain_volumes
[../]
[./acint_eta]
type = ACInterface
variable = eta
mob_name = M
args = c
kappa_name = kappa_eta
[../]
[./acbulk_eta]
type = AllenCahn
variable = eta
mob_name = M
f_name = F
args = c
[../]
[]
[AuxKernels]
[./vadv_x]
type = GrainAdvectionAux
component = x
grain_tracker_object = grain_center
grain_force = grain_force
grain_volumes = grain_volumes
variable = vadvx
[../]
[./vadv_y]
type = GrainAdvectionAux
component = y
grain_tracker_object = grain_center
grain_force = grain_force
grain_volumes = grain_volumes
variable = vadvy
[../]
[]
[Materials]
[./pfmobility]
type = GenericConstantMaterial
prop_names = 'M kappa_c kappa_eta'
prop_values = '1.0 2.0 0.1'
[../]
[./free_energy]
type = DerivativeParsedMaterial
args = 'c eta'
constant_names = 'barr_height cv_eq'
constant_expressions = '0.1 1.0e-2'
function = 16*barr_height*(c-cv_eq)^2*(1-cv_eq-c)^2+(c-eta)^2
derivative_order = 2
[../]
[]
[VectorPostprocessors]
[./forces]
# VectorPostprocessor for outputting grain forces and torques
type = GrainForcesPostprocessor
grain_force = grain_force
[../]
[./grain_volumes]
type = FeatureVolumeVectorPostprocessor
flood_counter = grain_center
execute_on = 'initial timestep_begin'
[../]
[]
[UserObjects]
[./grain_center]
type = GrainTracker
variable = eta
outputs = none
compute_var_to_feature_map = true
execute_on = 'initial timestep_begin'
[../]
[./grain_force]
type = ConstantGrainForceAndTorque
execute_on = 'linear nonlinear'
force = '0.2 0.0 0.0 ' # size should be 3 * no. of grains
torque = '0.0 0.0 5.0 ' # size should be 3 * no. of grains
[../]
[]
[Preconditioning]
[./SMP]
type = SMP
full = true
[../]
[]
[Executioner]
type = Transient
nl_max_its = 30
scheme = bdf2
solve_type = NEWTON
petsc_options_iname = '-pc_type -ksp_gmres_restart -sub_ksp_type -sub_pc_type -pc_asm_overlap'
petsc_options_value = 'asm 31 preonly lu 1'
l_max_its = 30
l_tol = 1.0e-4
nl_rel_tol = 1.0e-10
start_time = 0.0
dt = 0.1
end_time = 10
[]
[Outputs]
exodus = true
[]
[ICs]
[./rect_c]
y2 = 20.0
y1 = 5.0
inside = 1.0
x2 = 30.0
variable = c
x1 = 10.0
type = BoundingBoxIC
[../]
[./rect_eta]
y2 = 20.0
y1 = 5.0
inside = 1.0
x2 = 30.0
variable = eta
x1 = 10.0
type = BoundingBoxIC
[../]
[]