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XFEMAction.C
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XFEMAction.C
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//* This file is part of the MOOSE framework
//* https://www.mooseframework.org
//*
//* 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
#include "XFEMAction.h"
// MOOSE includes
#include "FEProblem.h"
#include "NonlinearSystem.h"
#include "Executioner.h"
#include "MooseEnum.h"
#include "Parser.h"
#include "Factory.h"
#include "AddVariableAction.h"
#include "InputParameterWarehouse.h"
#include "GeometricCutUserObject.h"
#include "CrackFrontDefinition.h"
#include "libmesh/transient_system.h"
#include "libmesh/string_to_enum.h"
// XFEM includes
#include "XFEM.h"
registerMooseAction("XFEMApp", XFEMAction, "setup_xfem");
registerMooseAction("XFEMApp", XFEMAction, "add_aux_variable");
registerMooseAction("XFEMApp", XFEMAction, "add_aux_kernel");
registerMooseAction("XFEMApp", XFEMAction, "add_variable");
registerMooseAction("XFEMApp", XFEMAction, "add_kernel");
registerMooseAction("XFEMApp", XFEMAction, "add_bc");
InputParameters
XFEMAction::validParams()
{
InputParameters params = Action::validParams();
params.addParam<std::vector<UserObjectName>>(
"geometric_cut_userobjects",
"List of names of GeometricCutUserObjects with cut info and methods");
params.addParam<std::string>("qrule", "volfrac", "XFEM quadrature rule to use");
params.addRangeCheckedParam<unsigned int>(
"debug_output_level",
1,
"debug_output_level <= 3",
"Controls the amount of debug output from XFEM. 0: None, 1: Summary, 2: Details on "
"modifications to mesh, 3: Full dump of element fragment algorithm mesh");
params.addParam<bool>("output_cut_plane", false, "Output the XFEM cut plane and volume fraction");
params.addParam<bool>("use_crack_growth_increment", false, "Use fixed crack growth increment");
params.addParam<Real>("crack_growth_increment", 0.1, "Crack growth increment");
params.addParam<bool>("use_crack_tip_enrichment", false, "Use crack tip enrichment functions");
params.addParam<UserObjectName>("crack_front_definition",
"The CrackFrontDefinition user object name (only "
"needed if 'use_crack_tip_enrichment=true')");
params.addParam<std::vector<VariableName>>("displacements",
"Names of displacement variables (only "
"needed if 'use_crack_tip_enrichment=true')");
params.addParam<std::vector<VariableName>>("enrichment_displacements",
"Names of enrichment displacement variables (only "
"needed if 'use_crack_tip_enrichment=true')");
params.addParam<std::vector<BoundaryName>>("cut_off_boundary",
"Boundary that contains all nodes for which "
"enrichment DOFs should be fixed away from crack tip "
"(only needed if 'use_crack_tip_enrichment=true')");
params.addParam<Real>("cut_off_radius",
"The cut off radius of crack tip enrichment functions (only needed if "
"'use_crack_tip_enrichment=true')");
params.addClassDescription("Action to input general parameters and simulation options for use "
"in XFEM.");
return params;
}
XFEMAction::XFEMAction(const InputParameters & params)
: Action(params),
_geom_cut_userobjects(getParam<std::vector<UserObjectName>>("geometric_cut_userobjects")),
_xfem_qrule(getParam<std::string>("qrule")),
_xfem_cut_plane(false),
_xfem_use_crack_growth_increment(getParam<bool>("use_crack_growth_increment")),
_xfem_crack_growth_increment(getParam<Real>("crack_growth_increment")),
_use_crack_tip_enrichment(getParam<bool>("use_crack_tip_enrichment"))
{
_order = "CONSTANT";
_family = "MONOMIAL";
if (isParamValid("output_cut_plane"))
_xfem_cut_plane = getParam<bool>("output_cut_plane");
if (_use_crack_tip_enrichment)
{
if (isParamValid("crack_front_definition"))
_crack_front_definition = getParam<UserObjectName>("crack_front_definition");
else
mooseError("To add crack tip enrichment, crack_front_definition must be provided.");
if (isParamValid("displacements"))
_displacements = getParam<std::vector<VariableName>>("displacements");
else
mooseError("To add crack tip enrichment, displacements must be provided.");
if (isParamValid("enrichment_displacements"))
{
_enrich_displacements = getParam<std::vector<VariableName>>("enrichment_displacements");
if (_enrich_displacements.size() != 8 && _displacements.size() == 2)
mooseError("The number of enrichment displacements should be total 8 for 2D.");
else if (_enrich_displacements.size() != 12 && _displacements.size() == 3)
mooseError("The number of enrichment displacements should be total 12 for 3D.");
}
else
mooseError("To add crack tip enrichment, enrichment_displacements must be provided.");
if (isParamValid("cut_off_boundary"))
_cut_off_bc = getParam<std::vector<BoundaryName>>("cut_off_boundary");
else
mooseError("To add crack tip enrichment, cut_off_boundary must be provided.");
if (isParamValid("cut_off_radius"))
_cut_off_radius = getParam<Real>("cut_off_radius");
else
mooseError("To add crack tip enrichment, cut_off_radius must be provided.");
}
}
void
XFEMAction::act()
{
std::shared_ptr<XFEMInterface> xfem_interface = _problem->getXFEM();
if (xfem_interface == NULL)
{
const auto & params = _app.getInputParameterWarehouse().getInputParameters();
InputParameters & pars(*(params.find(uniqueActionName())->second.get()));
pars.set<FEProblemBase *>("_fe_problem_base") = &*_problem;
std::shared_ptr<XFEM> new_xfem(new XFEM(_pars));
_problem->initXFEM(new_xfem);
xfem_interface = _problem->getXFEM();
}
std::shared_ptr<XFEM> xfem = MooseSharedNamespace::dynamic_pointer_cast<XFEM>(xfem_interface);
if (xfem == NULL)
mooseError("dynamic cast of xfem object failed");
if (_current_task == "setup_xfem")
{
xfem->setXFEMQRule(_xfem_qrule);
xfem->setCrackGrowthMethod(_xfem_use_crack_growth_increment, _xfem_crack_growth_increment);
xfem->setDebugOutputLevel(getParam<unsigned int>("debug_output_level"));
}
else if (_current_task == "add_variable" && _use_crack_tip_enrichment)
{
auto var_params = _factory.getValidParams("MooseVariable");
var_params.set<MooseEnum>("family") = "LAGRANGE";
var_params.set<MooseEnum>("order") = "FIRST";
for (const auto & enrich_disp : _enrich_displacements)
_problem->addVariable("MooseVariable", enrich_disp, var_params);
}
else if (_current_task == "add_kernel" && _use_crack_tip_enrichment)
{
for (unsigned int i = 0; i < _enrich_displacements.size(); ++i)
{
InputParameters params = _factory.getValidParams("CrackTipEnrichmentStressDivergenceTensors");
params.set<NonlinearVariableName>("variable") = _enrich_displacements[i];
params.set<unsigned int>("component") = i / 4;
params.set<unsigned int>("enrichment_component") = i % 4;
params.set<UserObjectName>("crack_front_definition") = _crack_front_definition;
params.set<std::vector<VariableName>>("enrichment_displacements") = _enrich_displacements;
params.set<std::vector<VariableName>>("displacements") = _displacements;
_problem->addKernel(
"CrackTipEnrichmentStressDivergenceTensors", _enrich_displacements[i], params);
}
}
else if (_current_task == "add_bc" && _use_crack_tip_enrichment)
{
for (unsigned int i = 0; i < _enrich_displacements.size(); ++i)
{
InputParameters params = _factory.getValidParams("CrackTipEnrichmentCutOffBC");
params.set<NonlinearVariableName>("variable") = _enrich_displacements[i];
params.set<Real>("value") = 0;
params.set<std::vector<BoundaryName>>("boundary") = _cut_off_bc;
params.set<Real>("cut_off_radius") = _cut_off_radius;
params.set<UserObjectName>("crack_front_definition") = _crack_front_definition;
_problem->addBoundaryCondition(
"CrackTipEnrichmentCutOffBC", _enrich_displacements[i], params);
}
}
else if (_current_task == "add_aux_variable" && _xfem_cut_plane)
{
auto var_params = _factory.getValidParams("MooseVariableConstMonomial");
_problem->addAuxVariable("MooseVariableConstMonomial", "xfem_cut_origin_x", var_params);
_problem->addAuxVariable("MooseVariableConstMonomial", "xfem_cut_origin_y", var_params);
_problem->addAuxVariable("MooseVariableConstMonomial", "xfem_cut_origin_z", var_params);
_problem->addAuxVariable("MooseVariableConstMonomial", "xfem_cut_normal_x", var_params);
_problem->addAuxVariable("MooseVariableConstMonomial", "xfem_cut_normal_y", var_params);
_problem->addAuxVariable("MooseVariableConstMonomial", "xfem_cut_normal_z", var_params);
_problem->addAuxVariable("MooseVariableConstMonomial", "xfem_cut2_origin_x", var_params);
_problem->addAuxVariable("MooseVariableConstMonomial", "xfem_cut2_origin_y", var_params);
_problem->addAuxVariable("MooseVariableConstMonomial", "xfem_cut2_origin_z", var_params);
_problem->addAuxVariable("MooseVariableConstMonomial", "xfem_cut2_normal_x", var_params);
_problem->addAuxVariable("MooseVariableConstMonomial", "xfem_cut2_normal_y", var_params);
_problem->addAuxVariable("MooseVariableConstMonomial", "xfem_cut2_normal_z", var_params);
_problem->addAuxVariable("MooseVariableConstMonomial", "xfem_volfrac", var_params);
}
else if (_current_task == "add_aux_kernel" && _xfem_cut_plane)
{
InputParameters params = _factory.getValidParams("XFEMVolFracAux");
params.set<ExecFlagEnum>("execute_on") = EXEC_TIMESTEP_BEGIN;
params.set<AuxVariableName>("variable") = "xfem_volfrac";
_problem->addAuxKernel("XFEMVolFracAux", "xfem_volfrac", params);
params = _factory.getValidParams("XFEMCutPlaneAux");
params.set<ExecFlagEnum>("execute_on") = EXEC_TIMESTEP_END;
// first cut plane
params.set<unsigned int>("plane_id") = 0;
params.set<AuxVariableName>("variable") = "xfem_cut_origin_x";
params.set<MooseEnum>("quantity") = "origin_x";
_problem->addAuxKernel("XFEMCutPlaneAux", "xfem_cut_origin_x", params);
params.set<AuxVariableName>("variable") = "xfem_cut_origin_y";
params.set<MooseEnum>("quantity") = "origin_y";
_problem->addAuxKernel("XFEMCutPlaneAux", "xfem_cut_origin_y", params);
params.set<AuxVariableName>("variable") = "xfem_cut_origin_z";
params.set<MooseEnum>("quantity") = "origin_z";
_problem->addAuxKernel("XFEMCutPlaneAux", "xfem_cut_origin_z", params);
params.set<AuxVariableName>("variable") = "xfem_cut_normal_x";
params.set<MooseEnum>("quantity") = "normal_x";
_problem->addAuxKernel("XFEMCutPlaneAux", "xfem_cut_normal_x", params);
params.set<AuxVariableName>("variable") = "xfem_cut_normal_y";
params.set<MooseEnum>("quantity") = "normal_y";
_problem->addAuxKernel("XFEMCutPlaneAux", "xfem_cut_normal_y", params);
params.set<AuxVariableName>("variable") = "xfem_cut_normal_z";
params.set<MooseEnum>("quantity") = "normal_z";
_problem->addAuxKernel("XFEMCutPlaneAux", "xfem_cut_normal_z", params);
// second cut plane
params.set<unsigned int>("plane_id") = 1;
params.set<AuxVariableName>("variable") = "xfem_cut2_origin_x";
params.set<MooseEnum>("quantity") = "origin_x";
_problem->addAuxKernel("XFEMCutPlaneAux", "xfem_cut2_origin_x", params);
params.set<AuxVariableName>("variable") = "xfem_cut2_origin_y";
params.set<MooseEnum>("quantity") = "origin_y";
_problem->addAuxKernel("XFEMCutPlaneAux", "xfem_cut2_origin_y", params);
params.set<AuxVariableName>("variable") = "xfem_cut2_origin_z";
params.set<MooseEnum>("quantity") = "origin_z";
_problem->addAuxKernel("XFEMCutPlaneAux", "xfem_cut2_origin_z", params);
params.set<AuxVariableName>("variable") = "xfem_cut2_normal_x";
params.set<MooseEnum>("quantity") = "normal_x";
_problem->addAuxKernel("XFEMCutPlaneAux", "xfem_cut2_normal_x", params);
params.set<AuxVariableName>("variable") = "xfem_cut2_normal_y";
params.set<MooseEnum>("quantity") = "normal_y";
_problem->addAuxKernel("XFEMCutPlaneAux", "xfem_cut2_normal_y", params);
params.set<AuxVariableName>("variable") = "xfem_cut2_normal_z";
params.set<MooseEnum>("quantity") = "normal_z";
_problem->addAuxKernel("XFEMCutPlaneAux", "xfem_cut2_normal_z", params);
}
}