GluedContactConstraint

under construction:Undocumented Class

The GluedContactConstraint 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.


# GluedContactConstraint

!syntax description /Constraints/GluedContactConstraint

## Overview

!! Replace these lines with information regarding the GluedContactConstraint object.

## Example Input File Syntax

!! Describe and include an example of how to use the GluedContactConstraint object.

!syntax parameters /Constraints/GluedContactConstraint

!syntax inputs /Constraints/GluedContactConstraint

!syntax children /Constraints/GluedContactConstraint

!syntax description /Constraints/GluedContactConstraint

Input Parameters

boundaryThe master boundary
C++ Type:BoundaryName
Options:
Description:The master boundary
componentAn integer corresponding to the direction the variable this kernel acts in. (0 for x, 1 for y, 2 for z)
C++ Type:unsigned int
Options:
Description:An integer corresponding to the direction the variable this kernel acts in. (0 for x, 1 for y, 2 for z)
masterThe boundary ID associated with the master side
C++ Type:BoundaryName
Options:
Description:The boundary ID associated with the master side
master_variableThe variable on the master side of the domain
C++ Type:std::vector
Options:
Description:The variable on the master side of the domain
nodal_areaThe nodal area
C++ Type:std::vector
Options:
Description:The nodal area
slaveThe slave boundary
C++ Type:BoundaryName
Options:
Description:The slave boundary
variableThe name of the variable that this constraint is applied to.
C++ Type:NonlinearVariableName
Options:
Description:The name of the variable that this constraint is applied to.

Required Parameters

disp_xThe x displacement
C++ Type:std::vector
Options:
Description:The x displacement
disp_yThe y displacement
C++ Type:std::vector
Options:
Description:The y displacement
disp_zThe z displacement
C++ Type:std::vector
Options:
Description:The z displacement
displacementsThe displacements appropriate for the simulation geometry and coordinate system
C++ Type:std::vector
Options:
Description:The displacements appropriate for the simulation geometry and coordinate system
execute_onLINEARThe 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.
Default:LINEAR
C++ Type:ExecFlagEnum
Options:NONE INITIAL LINEAR NONLINEAR TIMESTEP_END TIMESTEP_BEGIN FINAL CUSTOM
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.
formulationkinematicThe contact formulation
Default:kinematic
C++ Type:MooseEnum
Options:kinematic penalty augmented_lagrange tangential_penalty mortar
Description:The contact formulation
friction_coefficient0The friction coefficient
Default:0
C++ Type:double
Options:
Description:The friction coefficient
modelfrictionlessThe contact model to use
Default:frictionless
C++ Type:MooseEnum
Options:frictionless glued coulomb
Description:The contact model to use
normal_smoothing_distanceDistance from edge in parametric coordinates over which to smooth contact normal
C++ Type:double
Options:
Description:Distance from edge in parametric coordinates over which to smooth contact normal
normal_smoothing_methodMethod to use to smooth normals
C++ Type:MooseEnum
Options:edge_based nodal_normal_based
Description:Method to use to smooth normals
orderFIRSTThe finite element order: FIRST, SECOND, etc.
Default:FIRST
C++ Type:MooseEnum
Options:CONSTANT FIRST SECOND THIRD FOURTH
Description:The finite element order: FIRST, SECOND, etc.
penalty1e+08The penalty to apply. This can vary depending on the stiffness of your materials
Default:1e+08
C++ Type:double
Options:
Description:The penalty to apply. This can vary depending on the stiffness of your materials
tangential_toleranceTangential distance to extend edges of contact surfaces
C++ Type:double
Options:
Description:Tangential distance to extend edges of contact surfaces
tension_release0Tension release threshold. A node in contact will not be released if its tensile load is below this value. Must be positive.
Default:0
C++ Type:double
Options:
Description:Tension release threshold. A node in contact will not be released if its tensile load is below this value. Must be positive.

Optional Parameters

control_tagsAdds user-defined labels for accessing object parameters via control logic.
C++ Type:std::vector
Options:
Description:Adds user-defined labels for accessing object parameters via control logic.
enableTrueSet the enabled status of the MooseObject.
Default:True
C++ Type:bool
Options:
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
Options:
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

extra_matrix_tagsThe extra tags for the matrices this Kernel should fill
C++ Type:std::vector
Options:
Description:The extra tags for the matrices this Kernel should fill
extra_vector_tagsThe extra tags for the vectors this Kernel should fill
C++ Type:std::vector
Options:
Description:The extra tags for the vectors this Kernel should fill
matrix_tagssystemThe tag for the matrices this Kernel should fill
Default:system
C++ Type:MultiMooseEnum
Options:nontime system
Description:The tag for the matrices this Kernel should fill
vector_tagsnontimeThe tag for the vectors this Kernel should fill
Default:nontime
C++ Type:MultiMooseEnum
Options:nontime time
Description:The tag for the vectors this Kernel should fill

Tagging Parameters

Input Files

modules/combined/test/tests/glued_contact_constraint/glued_contact_constraint.i

modules/combined/test/tests/glued_contact_constraint/glued_contact_constraint.i

[Mesh]
  type = FileMesh
  file = simplest_contact.e
[]

[GlobalParams]
  displacements = 'disp_x disp_y'
[]

[AuxVariables]
  [./penetration]
  [../]
[]

[Modules/TensorMechanics/Master]
  [./all]
    planar_formulation = PLANE_STRAIN
    strain = SMALL
    add_variables = true
  [../]
[]

[AuxKernels]
  [./penetration]
    type = PenetrationAux
    variable = penetration
    boundary = 2
    paired_boundary = 3
  [../]
[]

[Constraints]
  [./contact_x]
    type = GluedContactConstraint
    variable = disp_x
    master_variable = disp_x
    component = 0
    slave = 2
    master = 3
    penalty = 1e6
    nodal_area = penetration
    boundary = 2
  [../]
  [./contact_y]
    type = GluedContactConstraint
    variable = disp_y
    master_variable = disp_y
    component = 1
    slave = 2
    master = 3
    penalty = 1e6
    nodal_area = penetration
    boundary = 3
  [../]
[]

[BCs]
  [./left_x]
    type = DirichletBC
    variable = disp_x
    boundary = 1
    value = 0.0
  [../]
  [./left_y]
    type = DirichletBC
    variable = disp_y
    boundary = 1
    value = 0.0
  [../]
  [./right_x]
    type = DirichletBC
    variable = disp_x
    boundary = 4
    value = -0.0001
  [../]
  [./right_y]
    type = DirichletBC
    variable = disp_y
    boundary = 4
    value = 0.0
  [../]
[]

[Materials]
  [./elasticity]
    type = ComputeIsotropicElasticityTensor
    youngs_modulus = 1e6
    poissons_ratio = 0.3
  [../]
  [./stress]
    type = ComputeLinearElasticStress
  [../]
[]

[Executioner]
  type = Transient
  solve_type = PJFNK
  petsc_options_iname = '-pc_type -pc_hypre_type -ksp_gmres_restart'
  petsc_options_value = 'hypre    boomeramg      101'
  line_search = none
  nl_abs_tol = 1e-8
  l_max_its = 100
  nl_max_its = 10
  dt = 1.0
  num_steps = 1
[]

[Outputs]
  file_base = out
  [./exodus]
    type = Exodus
    elemental_as_nodal = true
  [../]
[]

Input Parameters
Input Files

Application Usage

Physics and Syntax

Application Development

Framework Development

MOOSEDocs

Infrastructure

Questions

Information and Tools