Action class for creating constraints, kernels, and user objects necessary for mechanical contact. More...

#include <ExplicitDynamicsContactAction.h>

Inheritance diagram for ExplicitDynamicsContactAction:

Public Types
typedef DataFileName	DataFileParameterType

Public Member Functions
	ExplicitDynamicsContactAction (const InputParameters &params)

virtual void	act () override

void	timedAct ()

virtual void	addRelationshipManagers (Moose::RelationshipManagerType when_type)

MooseObjectName	uniqueActionName () const

const std::string &	specificTaskName () const

const std::set< std::string > &	getAllTasks () const

void	appendTask (const std::string &task)

MooseApp &	getMooseApp () const

const std::string &	type () const

const std::string &	name () const

std::string	typeAndName () const

MooseObjectParameterName	uniqueParameterName (const std::string &parameter_name) const

MooseObjectName	uniqueName () const

const InputParameters &	parameters () const

const hit::Node *	getHitNode () const

bool	hasBase () const

const std::string &	getBase () const

const T &	getParam (const std::string &name) const

std::vector< std::pair< T1, T2 > >	getParam (const std::string &param1, const std::string &param2) const

const T *	queryParam (const std::string &name) const

const T &	getRenamedParam (const std::string &old_name, const std::string &new_name) const

T	getCheckedPointerParam (const std::string &name, const std::string &error_string="") const

bool	isParamValid (const std::string &name) const

bool	isParamSetByUser (const std::string &name) const

void	connectControllableParams (const std::string &parameter, const std::string &object_type, const std::string &object_name, const std::string &object_parameter) const

void	paramError (const std::string &param, Args... args) const

void	paramWarning (const std::string &param, Args... args) const

void	paramWarning (const std::string &param, Args... args) const

void	paramInfo (const std::string &param, Args... args) const

std::string	messagePrefix (const bool hit_prefix=true) const

std::string	errorPrefix (const std::string &) const

void	mooseError (Args &&... args) const

void	mooseDocumentedError (const std::string &repo_name, const unsigned int issue_num, Args &&... args) const

void	mooseErrorNonPrefixed (Args &&... args) const

void	mooseWarning (Args &&... args) const

void	mooseWarning (Args &&... args) const

void	mooseWarningNonPrefixed (Args &&... args) const

void	mooseWarningNonPrefixed (Args &&... args) const

void	mooseDeprecated (Args &&... args) const

void	mooseDeprecated (Args &&... args) const

void	mooseDeprecatedNoTrace (Args &&... args) const

void	mooseInfo (Args &&... args) const

void	callMooseError (std::string msg, const bool with_prefix, const hit::Node *node=nullptr, const bool show_trace=true) const

std::string	getDataFileName (const std::string &param) const

std::string	getDataFileNameByName (const std::string &relative_path) const

std::string	getDataFilePath (const std::string &relative_path) const

PerfGraph &	perfGraph ()

const Parallel::Communicator &	comm () const

processor_id_type	n_processors () const

processor_id_type	processor_id () const

Static Public Member Functions
static InputParameters	validParams ()

static MooseEnum	getModelEnum ()
	Get contact model.

static InputParameters	commonParameters ()
	Define parameters used by multiple contact objects.

static void	callMooseError (MooseApp const app, const InputParameters &params, std::string msg, const bool with_prefix, const hit::Node node, const bool show_trace=true)

Public Attributes
	usingCombinedWarningSolutionWarnings

const ConsoleStream	_console

Static Public Attributes
static const std::string	unique_action_name_param

static const std::string	type_param

static const std::string	name_param

static const std::string	unique_name_param

static const std::string	app_param

static const std::string	moose_base_param

static const std::string	kokkos_object_param

static constexpr auto	SYSTEM

static constexpr auto	NAME

Protected Types
typedef std::vector< VariableName >	CoupledName
	Type that we use in Actions for declaring coupling.

Protected Member Functions
bool	addRelationshipManagers (Moose::RelationshipManagerType when_type, const InputParameters &moose_object_pars)

void	associateWithParameter (const std::string &param_name, InputParameters &params) const

void	associateWithParameter (const InputParameters &from_params, const std::string &param_name, InputParameters &params) const

const T &	getMeshProperty (const std::string &data_name, const std::string &prefix)

const T &	getMeshProperty (const std::string &data_name)

bool	hasMeshProperty (const std::string &data_name, const std::string &prefix) const

bool	hasMeshProperty (const std::string &data_name, const std::string &prefix) const

bool	hasMeshProperty (const std::string &data_name) const

bool	hasMeshProperty (const std::string &data_name) const

std::string	meshPropertyName (const std::string &data_name) const

PerfID	registerTimedSection (const std::string &section_name, const unsigned int level) const

PerfID	registerTimedSection (const std::string &section_name, const unsigned int level, const std::string &live_message, const bool print_dots=true) const

std::string	timedSectionName (const std::string &section_name) const

void	flagInvalidSolutionInternal (const InvalidSolutionID invalid_solution_id) const

InvalidSolutionID	registerInvalidSolutionInternal (const std::string &message, const bool warning) const

Static Protected Member Functions
static std::string	meshPropertyName (const std::string &data_name, const std::string &prefix)

Protected Attributes
std::vector< std::pair< BoundaryName, BoundaryName > >	_boundary_pairs
	Primary/Secondary boundary name pairs for mechanical contact.

const ExplicitDynamicsContactModel	_model
	Contact model type enum.

const bool	_verbose
	Verbose output, may increase runtime.

const std::vector< SubdomainName > &	_blocks
	Restrict contact MooseObjects to these subdomains.

std::string	_registered_identifier

std::string	_specific_task_name

std::set< std::string >	_all_tasks

ActionWarehouse &	_awh

const std::string &	_current_task

std::shared_ptr< MooseMesh > &	_mesh

std::shared_ptr< MooseMesh > &	_displaced_mesh

std::shared_ptr< FEProblemBase > &	_problem

PerfID	_act_timer

MooseApp &	_app

Factory &	_factory

ActionFactory &	_action_factory

const std::string &	_type

const std::string &	_name

const InputParameters &	_pars

MooseApp &	_pg_moose_app

const std::string	_prefix

const Parallel::Communicator &	_communicator

Private Member Functions
void	addNodeFaceContact ()
	Generate constraints for node to face contact.

void	addContactPressureAuxKernel ()
	Add single contact pressure auxiliary kernel for various contact action objects.

bool	addRelationshipManager (Moose::RelationshipManagerType input_rm_type, const InputParameters &moose_object_pars, std::string rm_name, Moose::RelationshipManagerType rm_type, Moose::RelationshipManagerInputParameterCallback rm_input_parameter_func, Moose::RMSystemType sys_type=Moose::RMSystemType::NONE)

virtual std::string	meshPropertyPrefix (const std::string &data_name) const

const RestartableDataValue &	getMeshPropertyInternal (const std::string &data_name, const std::string &prefix) const

void	mooseErrorInternal (Args &&... args) const

Static Private Member Functions
static const hit::Node *	getHitNode (const InputParameters &params)

static std::string	messagePrefix (const InputParameters &params, const bool hit_prefix)

Private Attributes
const ParallelParamObject &	_parent

MooseApp &	_meta_data_app

const MooseObject *const	_meta_data_object

const MooseBase &	_si_moose_base

const FEProblemBase *	_si_problem

Detailed Description

Action class for creating constraints, kernels, and user objects necessary for mechanical contact.

Definition at line 26 of file ExplicitDynamicsContactAction.h.

Member Typedef Documentation

◆ CoupledName

typedef std::vector<VariableName> ExplicitDynamicsContactAction::CoupledName

protected

Type that we use in Actions for declaring coupling.

Definition at line 56 of file ExplicitDynamicsContactAction.h.

Constructor & Destructor Documentation

◆ ExplicitDynamicsContactAction()

ExplicitDynamicsContactAction::ExplicitDynamicsContactAction ( const InputParameters & params )

Definition at line 83 of file ExplicitDynamicsContactAction.C.

  : Action(params),
    _boundary_pairs(getParam<BoundaryName, BoundaryName>("primary", "secondary")),
    _model(getParam<MooseEnum>("model").getEnum<ExplicitDynamicsContactModel>()),
    _verbose(getParam<bool>("verbose")),
    _blocks(getParam<std::vector<SubdomainName>>("block"))
{
  // The resulting velocity of the contact algorithm is applied, as the code stands, by modifying
  // the old position. This causes artifacts in the internal forces as old position, new position,
  // and velocities are not fully consistent. Results improve with shorter time steps, but it would
  // be best to modify all the solution arrays for consistency or replace the way the explicit
  // system is solved to obtain accelerations (a = M^{-1}F) such that only velocities on the
  // contacting boundary need to be updated with the contact algorithm output.
  mooseWarning("Verification of explicit dynamics capabilities is an ongoing effort.");
}

Member Function Documentation

◆ act()

void ExplicitDynamicsContactAction::act ( )

overridevirtual

Implements Action.

Definition at line 100 of file ExplicitDynamicsContactAction.C.

{
  // proform problem checks/corrections once during the first feasible task
  if (_current_task == "add_contact_aux_variable")
  {
    if (!_problem->getDisplacedProblem())
      mooseError(
          "Contact requires updated coordinates.  Use the 'displacements = ...' parameter in the "
          "Mesh block.");
 
    // It is risky to apply this optimization to contact problems
    // since the problem configuration may be changed during Jacobian
    // evaluation. We therefore turn it off for all contact problems so that
    // PETSc-3.8.4 or higher will have the same behavior as PETSc-3.8.3.
    if (!_problem->isSNESMFReuseBaseSetbyUser())
      _problem->setSNESMFReuseBase(false, false);
  }
 
  addNodeFaceContact();
 
  if (_current_task == "add_aux_kernel" && _verbose)
  { // Add ContactPenetrationAuxAction.
    if (!_problem->getDisplacedProblem())
      mooseError("Contact requires updated coordinates.  Use the 'displacements = ...' line in the "
                 "Mesh block.");
    unsigned int pair_number(0);
    // Create auxiliary kernels for each contact pairs
    for (const auto & contact_pair : _boundary_pairs)
    {
      {
        InputParameters params = _factory.getValidParams("PenetrationAux");
        params.applyParameters(parameters(),
                               {"secondary_gap_offset", "mapped_primary_gap_offset", "order"});
 
        std::vector<VariableName> displacements =
            getParam<std::vector<VariableName>>("displacements");
        const auto order = _problem->systemBaseNonlinear(/*nl_sys_num=*/0)
                               .system()
                               .variable_type(displacements[0])
                               .order.get_order();
 
        params.set<MooseEnum>("order") = Utility::enum_to_string<Order>(OrderWrapper{order});
        params.set<ExecFlagEnum>("execute_on") = {EXEC_INITIAL, EXEC_LINEAR};
        params.set<std::vector<BoundaryName>>("boundary") = {contact_pair.second};
        params.set<BoundaryName>("paired_boundary") = contact_pair.first;
        params.set<AuxVariableName>("variable") = "penetration";
        if (isParamValid("secondary_gap_offset"))
          params.set<std::vector<VariableName>>("secondary_gap_offset") = {
              getParam<VariableName>("secondary_gap_offset")};
        if (isParamValid("mapped_primary_gap_offset"))
          params.set<std::vector<VariableName>>("mapped_primary_gap_offset") = {
              getParam<VariableName>("mapped_primary_gap_offset")};
        params.set<bool>("use_displaced_mesh") = true;
        std::string name = _name + "_contact_" + Moose::stringify(pair_number);
        pair_number++;
        _problem->addAuxKernel("PenetrationAux", name, params);
      }
    }
 
    addContactPressureAuxKernel();
  }
 
  if (_current_task == "add_contact_aux_variable")
  {
    std::vector<VariableName> displacements = getParam<std::vector<VariableName>>("displacements");
    const auto order = _problem->systemBaseNonlinear(/*nl_sys_num=*/0)
                           .system()
                           .variable_type(displacements[0])
                           .order.get_order();
 
    // Add gap rate for output
    {
      auto var_params = _factory.getValidParams("MooseVariable");
      var_params.applyParameters(parameters());
      var_params.set<MooseEnum>("order") = Utility::enum_to_string<Order>(OrderWrapper{order});
      var_params.set<MooseEnum>("family") = "LAGRANGE";
      _problem->addAuxVariable("MooseVariable", "gap_rate", var_params);
    }
    if (_verbose)
    {
      // Add ContactPenetrationVarAction
      {
        auto var_params = _factory.getValidParams("MooseVariable");
        var_params.applyParameters(parameters());
        var_params.set<MooseEnum>("order") = Utility::enum_to_string<Order>(OrderWrapper{order});
        var_params.set<MooseEnum>("family") = "LAGRANGE";
        _problem->addAuxVariable("MooseVariable", "penetration", var_params);
      }
      {
        auto var_params = _factory.getValidParams("MooseVariable");
        var_params.applyParameters(parameters());
        var_params.set<MooseEnum>("order") = Utility::enum_to_string<Order>(OrderWrapper{order});
        var_params.set<MooseEnum>("family") = "LAGRANGE";
        _problem->addAuxVariable("MooseVariable", "contact_pressure", var_params);
      }
      // Add nodal area contact variable
      {
        auto var_params = _factory.getValidParams("MooseVariable");
        var_params.applyParameters(parameters());
        var_params.set<MooseEnum>("order") = Utility::enum_to_string<Order>(OrderWrapper{order});
        var_params.set<MooseEnum>("family") = "LAGRANGE";
        _problem->addAuxVariable("MooseVariable", "nodal_area", var_params);
      }
      // Add nodal density variable
      {
        auto var_params = _factory.getValidParams("MooseVariable");
        var_params.applyParameters(parameters());
        var_params.set<MooseEnum>("order") = Utility::enum_to_string<Order>(OrderWrapper{order});
        var_params.set<MooseEnum>("family") = "LAGRANGE";
        _problem->addAuxVariable("MooseVariable", "nodal_density", var_params);
      }
      // Add nodal wave speed
      {
        auto var_params = _factory.getValidParams("MooseVariable");
        var_params.applyParameters(parameters());
        var_params.set<MooseEnum>("order") = Utility::enum_to_string<Order>(OrderWrapper{order});
        var_params.set<MooseEnum>("family") = "LAGRANGE";
        _problem->addAuxVariable("MooseVariable", "nodal_wave_speed", var_params);
      }
    }
  }
 
  if (_current_task == "add_user_object" && _verbose)
  {
    {
      auto var_params = _factory.getValidParams("NodalArea");
 
      // Get secondary_boundary_vector from possibly updated set from the
      // ContactAction constructor cleanup
      const auto actions = _awh.getActions<ExplicitDynamicsContactAction>();
 
      std::vector<BoundaryName> secondary_boundary_vector;
      for (const auto * const action : actions)
        for (const auto j : index_range(action->_boundary_pairs))
          secondary_boundary_vector.push_back(action->_boundary_pairs[j].second);
 
      var_params.set<std::vector<BoundaryName>>("boundary") = secondary_boundary_vector;
      var_params.set<std::vector<VariableName>>("variable") = {"nodal_area"};
 
      mooseAssert(_problem, "Problem pointer is NULL");
      var_params.set<ExecFlagEnum>("execute_on", true) = {EXEC_INITIAL, EXEC_TIMESTEP_BEGIN};
      var_params.set<bool>("use_displaced_mesh") = true;
 
      _problem->addUserObject(
          "NodalArea", "nodal_area_object_" + Moose::stringify(name()), var_params);
    }
    // Add nodal density and nodal wave speed user
    {
      // Add nodal density
      auto var_params = _factory.getValidParams("NodalDensity");
 
      // Get secondary_boundary_vector from possibly updated set from the
      // ContactAction constructor cleanup
      const auto actions = _awh.getActions<ExplicitDynamicsContactAction>();
 
      std::vector<BoundaryName> secondary_boundary_vector;
      for (const auto * const action : actions)
        for (const auto j : index_range(action->_boundary_pairs))
          secondary_boundary_vector.push_back(action->_boundary_pairs[j].second);
 
      var_params.set<std::vector<BoundaryName>>("boundary") = secondary_boundary_vector;
      var_params.set<std::vector<VariableName>>("variable") = {"nodal_density"};
 
      mooseAssert(_problem, "Problem pointer is NULL");
      var_params.set<ExecFlagEnum>("execute_on", true) = {EXEC_INITIAL, EXEC_TIMESTEP_BEGIN};
      var_params.set<bool>("use_displaced_mesh") = true;
 
      _problem->addUserObject(
          "NodalDensity", "nodal_density_object_" + Moose::stringify(name()), var_params);
    }
    {
      // Add wave speed
      auto var_params = _factory.getValidParams("NodalWaveSpeed");
 
      // Get secondary_boundary_vector from possibly updated set from the
      // ContactAction constructor cleanup
      const auto actions = _awh.getActions<ExplicitDynamicsContactAction>();
 
      std::vector<BoundaryName> secondary_boundary_vector;
      for (const auto * const action : actions)
        for (const auto j : index_range(action->_boundary_pairs))
          secondary_boundary_vector.push_back(action->_boundary_pairs[j].second);
 
      var_params.set<std::vector<BoundaryName>>("boundary") = secondary_boundary_vector;
      var_params.set<std::vector<VariableName>>("variable") = {"nodal_wave_speed"};
 
      mooseAssert(_problem, "Problem pointer is NULL");
      var_params.set<ExecFlagEnum>("execute_on", true) = {EXEC_INITIAL, EXEC_TIMESTEP_BEGIN};
      var_params.set<bool>("use_displaced_mesh") = true;
 
      _problem->addUserObject(
          "NodalWaveSpeed", "nodal_wavespeed_object_" + Moose::stringify(name()), var_params);
    }
  }
}

◆ addContactPressureAuxKernel()

void ExplicitDynamicsContactAction::addContactPressureAuxKernel ( )

private

Add single contact pressure auxiliary kernel for various contact action objects.

Definition at line 297 of file ExplicitDynamicsContactAction.C.

{
  // Add ContactPressureAux: Only one object for all contact pairs
  const auto actions = _awh.getActions<ExplicitDynamicsContactAction>();
 
  // Increment counter for contact action objects
  ed_contact_action_counter++;
 
  // Add auxiliary kernel if we are the last contact action object.
  if (ed_contact_action_counter == actions.size() && _verbose)
  {
    std::vector<BoundaryName> boundary_vector;
    std::vector<BoundaryName> pair_boundary_vector;
 
    for (const auto * const action : actions)
      for (const auto j : index_range(action->_boundary_pairs))
      {
        boundary_vector.push_back(action->_boundary_pairs[j].second);
        pair_boundary_vector.push_back(action->_boundary_pairs[j].first);
      }
 
    InputParameters params = _factory.getValidParams("ContactPressureAux");
    params.applyParameters(parameters(), {"order"});
 
    std::vector<VariableName> displacements = getParam<std::vector<VariableName>>("displacements");
    const auto order = _problem->systemBaseNonlinear(/*nl_sys_num=*/0)
                           .system()
                           .variable_type(displacements[0])
                           .order.get_order();
 
    params.set<MooseEnum>("order") = Utility::enum_to_string<Order>(OrderWrapper{order});
    params.set<std::vector<BoundaryName>>("boundary") = boundary_vector;
    params.set<std::vector<BoundaryName>>("paired_boundary") = pair_boundary_vector;
    params.set<AuxVariableName>("variable") = "contact_pressure";
    params.addRequiredCoupledVar("nodal_area", "The nodal area");
    params.set<std::vector<VariableName>>("nodal_area") = {"nodal_area"};
    params.set<bool>("use_displaced_mesh") = true;
 
    std::string name = _name + "_contact_pressure";
    params.set<ExecFlagEnum>("execute_on", true) = {EXEC_TIMESTEP_END};
    _problem->addAuxKernel("ContactPressureAux", name, params);
  }
}

Referenced by act().

◆ addNodeFaceContact()

void ExplicitDynamicsContactAction::addNodeFaceContact ( )

private

Generate constraints for node to face contact.

Definition at line 342 of file ExplicitDynamicsContactAction.C.

{
  if (_current_task != "add_constraint")
    return;
 
  std::string action_name = MooseUtils::shortName(name());
  std::vector<VariableName> displacements = getParam<std::vector<VariableName>>("displacements");
  const unsigned int ndisp = displacements.size();
 
  std::string constraint_type;
 
  constraint_type = "ExplicitDynamicsContactConstraint";
 
  InputParameters params = _factory.getValidParams(constraint_type);
 
  params.applyParameters(parameters(),
                         {"displacements",
                          "secondary_gap_offset",
                          "mapped_primary_gap_offset",
                          "primary",
                          "secondary"});
 
  const auto order = _problem->systemBaseNonlinear(/*nl_sys_num=*/0)
                         .system()
                         .variable_type(displacements[0])
                         .order.get_order();
 
  params.set<std::vector<VariableName>>("displacements") = displacements;
  params.set<bool>("use_displaced_mesh") = true;
  params.set<Real>("penalty") = getParam<Real>("penalty");
 
  params.set<MooseEnum>("order") = Utility::enum_to_string<Order>(OrderWrapper{order});
 
  for (const auto & contact_pair : _boundary_pairs)
  {
 
    if (isParamValid("vel_x"))
      params.set<std::vector<VariableName>>("vel_x") = getParam<std::vector<VariableName>>("vel_x");
    if (isParamValid("vel_y"))
      params.set<std::vector<VariableName>>("vel_y") = getParam<std::vector<VariableName>>("vel_y");
    if (isParamValid("vel_z"))
      params.set<std::vector<VariableName>>("vel_z") = getParam<std::vector<VariableName>>("vel_z");
 
    params.set<std::vector<VariableName>>("gap_rate") = {"gap_rate"};
 
    params.set<BoundaryName>("boundary") = contact_pair.first;
    if (isParamValid("secondary_gap_offset"))
      params.set<std::vector<VariableName>>("secondary_gap_offset") = {
          getParam<VariableName>("secondary_gap_offset")};
    if (isParamValid("mapped_primary_gap_offset"))
      params.set<std::vector<VariableName>>("mapped_primary_gap_offset") = {
          getParam<VariableName>("mapped_primary_gap_offset")};
 
    for (unsigned int i = 0; i < ndisp; ++i)
    {
      std::string name = action_name + "_constraint_" + Moose::stringify(contact_pair, "_") + "_" +
                         Moose::stringify(i);
 
      params.set<unsigned int>("component") = i;
 
      params.set<BoundaryName>("primary") = contact_pair.first;
      params.set<BoundaryName>("secondary") = contact_pair.second;
      params.set<NonlinearVariableName>("variable") = displacements[i];
      params.set<std::vector<VariableName>>("primary_variable") = {displacements[i]};
      params.applySpecificParameters(parameters(),
                                     {"extra_vector_tags", "absolute_value_vector_tags"});
      _problem->addConstraint(constraint_type, name, params);
    }
  }
}

Referenced by act().

◆ commonParameters()

InputParameters ExplicitDynamicsContactAction::commonParameters ( )

static

Define parameters used by multiple contact objects.

Returns: InputParameters object populated with common parameters

Definition at line 420 of file ExplicitDynamicsContactAction.C.

{
  InputParameters params = emptyInputParameters();
 
  params.addParam<MooseEnum>(
      "model", ExplicitDynamicsContactAction::getModelEnum(), "The contact model to use");
 
  // Gap rate input
  params.addCoupledVar("vel_x", "x-component of velocity.");
  params.addCoupledVar("vel_y", "y-component of velocity.");
  params.addCoupledVar("vel_z", "z-component of velocity.");
  // Gap rate output
  params.addCoupledVar("gap_rate", "Gap rate for output.");
 
  return params;
}

Referenced by validParams(), and ExplicitDynamicsContactConstraint::validParams().

◆ getModelEnum()

MooseEnum ExplicitDynamicsContactAction::getModelEnum ( )

static

Get contact model.

Returns: enum

Definition at line 414 of file ExplicitDynamicsContactAction.C.

{
  return MooseEnum("frictionless frictionless_balance", "frictionless");
}

Referenced by commonParameters(), and validParams().

◆ validParams()

InputParameters ExplicitDynamicsContactAction::validParams ( )

static

Definition at line 41 of file ExplicitDynamicsContactAction.C.

{
  InputParameters params = Action::validParams();
  params += ExplicitDynamicsContactAction::commonParameters();
 
  params.addParam<std::vector<BoundaryName>>(
      "primary", "The list of boundary IDs referring to primary sidesets");
  params.addParam<std::vector<BoundaryName>>(
      "secondary", "The list of boundary IDs referring to secondary sidesets");
  params.addParam<std::vector<SubdomainName>>(
      "block",
      {},
      "Optional list of subdomain names on which to create the contact MooseObjects. If omitted, "
      "MooseObjects will be created on all subdomains");
  params.addParam<std::vector<VariableName>>(
      "displacements",
      "The displacements appropriate for the simulation geometry and coordinate system");
  params.addParam<Real>("friction_coefficient", 0, "The friction coefficient");
  params.addParam<MooseEnum>(
      "model", ExplicitDynamicsContactAction::getModelEnum(), "The contact model to use");
  params.addParam<Real>("tangential_tolerance",
                        "Tangential distance to extend edges of contact surfaces");
  params.addParam<Real>("penalty", 1e8, "Penalty factor for normal contact.");
  params.addClassDescription("Sets up all objects needed for mechanical contact enforcement in "
                             "explicit dynamics simulations.");
  params.addParam<std::vector<TagName>>(
      "extra_vector_tags",
      "The tag names for extra vectors that residual data should be saved into");
  params.addParam<std::vector<TagName>>(
      "absolute_value_vector_tags",
      "The tags for the vectors this residual object should fill with the "
      "absolute value of the residual contribution");
 
  params.addParam<VariableName>("secondary_gap_offset",
                                "Offset to gap distance from secondary side");
  params.addParam<VariableName>("mapped_primary_gap_offset",
                                "Offset to gap distance mapped from primary side");
  params.addParam<bool>("verbose", false, "Verbose output. May increase runtime.");
 
  return params;
}

Member Data Documentation

◆ _blocks

const std::vector<SubdomainName>& ExplicitDynamicsContactAction::_blocks

protected

Restrict contact MooseObjects to these subdomains.

Definition at line 62 of file ExplicitDynamicsContactAction.h.

◆ _boundary_pairs

std::vector<std::pair<BoundaryName, BoundaryName> > ExplicitDynamicsContactAction::_boundary_pairs

protected

Primary/Secondary boundary name pairs for mechanical contact.

Definition at line 50 of file ExplicitDynamicsContactAction.h.

Referenced by act(), and addNodeFaceContact().

◆ _model

const ExplicitDynamicsContactModel ExplicitDynamicsContactAction::_model

protected

Contact model type enum.

Definition at line 53 of file ExplicitDynamicsContactAction.h.

◆ _verbose

const bool ExplicitDynamicsContactAction::_verbose

protected

Verbose output, may increase runtime.

Definition at line 59 of file ExplicitDynamicsContactAction.h.

Referenced by act(), and addContactPressureAuxKernel().

The documentation for this class was generated from the following files:

contact/include/actions/ExplicitDynamicsContactAction.h
contact/src/actions/ExplicitDynamicsContactAction.C

Public Types

Public Member Functions

Static Public Member Functions

Public Attributes

Static Public Attributes

Protected Types

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Private Member Functions

Static Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

◆ CoupledName

Constructor & Destructor Documentation

◆ ExplicitDynamicsContactAction()

Member Function Documentation

◆ act()

◆ addContactPressureAuxKernel()

◆ addNodeFaceContact()

◆ commonParameters()

◆ getModelEnum()

◆ validParams()

Member Data Documentation

◆ _blocks

◆ _boundary_pairs

◆ _model

◆ _verbose