ComputePFFractureStressBase Class Reference

ComputePFFractureStressBase is the base class for stress in phase field fracture model. More...

#include <ComputePFFractureStressBase.h>

Inheritance diagram for ComputePFFractureStressBase:

Public Member Functions
	ComputePFFractureStressBase (const InputParameters &parameters)

Static Public Member Functions
static InputParameters	validParams ()

Protected Member Functions
virtual void	initQpStatefulProperties () override
virtual void	computeQpProperties () override
virtual void	computeQpStress ()=0
	Compute the stress and store it in the _stress material property for the current quadrature point. More...

Protected Attributes
const std::string	_elasticity_tensor_name
	Name of the elasticity tensor material property. More...
const MaterialProperty< RankFourTensor > &	_elasticity_tensor
	Elasticity tensor material property. More...
const VariableValue &	_c
	Coupled order parameter defining the crack. More...
const MaterialProperty< Real > &	_l
	Material property defining crack width, declared elsewhere. More...
const MaterialProperty< Real > &	_gc
	Material property defining gc parameter, declared elsewhere. More...
bool	_use_current_hist
	Use current value of history variable. More...
MaterialProperty< Real > &	_H
	History variable that prevents crack healing, declared in this material. More...
const MaterialProperty< Real > &	_H_old
	Old value of history variable. More...
const MaterialProperty< Real > &	_barrier
	material property for fracture energy barrier More...
MaterialProperty< Real > &	_E
	Material property for elastic energy. More...
MaterialProperty< Real > &	_dEdc
	Derivative of elastic energy w.r.t damage variable. More...
MaterialProperty< Real > &	_d2Ed2c
	Second-order derivative of elastic energy w.r.t damage variable. More...
MaterialProperty< RankTwoTensor > &	_dstress_dc
	Derivative of stress w.r.t damage variable. More...
MaterialProperty< RankTwoTensor > &	_d2Fdcdstrain
	Second-order derivative of elastic energy w.r.t damage variable and strain. More...
const MaterialProperty< Real > &	_D
	Material property for energetic degradation function. More...
const MaterialProperty< Real > &	_dDdc
	Derivative of degradation function w.r.t damage variable. More...
const MaterialProperty< Real > &	_d2Dd2c
	Second-order derivative of degradation w.r.t damage variable. More...
const std::string	_base_name
	Base name prepended to all material property names to allow for multi-material systems. More...
const MaterialProperty< RankTwoTensor > &	_mechanical_strain
	Mechanical strain material property. More...
MaterialProperty< RankTwoTensor > &	_stress
	Stress material property. More...
MaterialProperty< RankTwoTensor > &	_elastic_strain
	Elastic strain material property. More...
const MaterialProperty< RankTwoTensor > &	_extra_stress
	Extra stress tensor. More...
std::vector< const Function * >	_initial_stress_fcn
	initial stress components More...
MaterialProperty< RankFourTensor > &	_Jacobian_mult
	derivative of stress w.r.t. strain (_dstress_dstrain) More...

Detailed Description

ComputePFFractureStressBase is the base class for stress in phase field fracture model.

Definition at line 22 of file ComputePFFractureStressBase.h.

Constructor & Destructor Documentation

ComputePFFractureStressBase()

ComputePFFractureStressBase::ComputePFFractureStressBase

(

const InputParameters &

parameters

)

Definition at line 34 of file ComputePFFractureStressBase.C.

  : ComputeStressBase(parameters),
    _elasticity_tensor_name(_base_name + "elasticity_tensor"),
    _elasticity_tensor(getMaterialPropertyByName<RankFourTensor>(_elasticity_tensor_name)),
    _c(coupledValue("c")),
    _l(getMaterialProperty<Real>("l")),
    _gc(getMaterialProperty<Real>("gc_prop")),
    _use_current_hist(getParam<bool>("use_current_history_variable")),
    _H(declareProperty<Real>("hist")),
    _H_old(getMaterialPropertyOld<Real>("hist")),
    _barrier(getDefaultMaterialProperty<Real>("barrier_energy")),
    _E(declareProperty<Real>(getParam<MaterialPropertyName>("E_name"))),
    _dEdc(declarePropertyDerivative<Real>(getParam<MaterialPropertyName>("E_name"),
                                          getVar("c", 0)->name())),
    _d2Ed2c(declarePropertyDerivative<Real>(
        getParam<MaterialPropertyName>("E_name"), getVar("c", 0)->name(), getVar("c", 0)->name())),
    _dstress_dc(
        declarePropertyDerivative<RankTwoTensor>(_base_name + "stress", getVar("c", 0)->name())),
    _d2Fdcdstrain(declareProperty<RankTwoTensor>("d2Fdcdstrain")),
    _D(getMaterialProperty<Real>("D_name")),
    _dDdc(getMaterialPropertyDerivative<Real>("D_name", getVar("c", 0)->name())),
    _d2Dd2c(getMaterialPropertyDerivative<Real>(
        "D_name", getVar("c", 0)->name(), getVar("c", 0)->name()))
{
}

Member Function Documentation

computeQpProperties()

void ComputeStressBase::computeQpProperties ( )

overrideprotectedvirtualinherited

Definition at line 50 of file ComputeStressBase.C.

{
  computeQpStress();
 
  // Add in extra stress
  _stress[_qp] += _extra_stress[_qp];
}

computeQpStress()

virtual void ComputeStressBase::computeQpStress ( )

protectedpure virtualinherited

Compute the stress and store it in the _stress material property for the current quadrature point.

Implemented in ComputeCosseratStressBase, ComputeMultipleInelasticStress, ComputeMultipleInelasticCosseratStress, ComputeLinearViscoelasticStress, ComputeLinearElasticPFFractureStress, ComputeCosseratLinearElasticStress, ComputeSmearedCrackingStress, ComputeDamageStress, ComputeFiniteStrainElasticStress, ComputeLinearElasticStress, FiniteStrainHyperElasticViscoPlastic, FiniteStrainUObasedCP, ComputeMultiPlasticityStress, FiniteStrainCrystalPlasticity, FiniteStrainPlasticMaterial, and ComputeStrainIncrementBasedStress.

Referenced by ComputeStressBase::computeQpProperties().

initQpStatefulProperties()

void ComputePFFractureStressBase::initQpStatefulProperties ( )

overrideprotectedvirtual

Reimplemented from ComputeStressBase.

Definition at line 61 of file ComputePFFractureStressBase.C.

{
  _H[_qp] = 0.0;
}

validParams()

InputParameters ComputePFFractureStressBase::validParams ( )

static

Definition at line 15 of file ComputePFFractureStressBase.C.

{
  InputParameters params = ComputeStressBase::validParams();
  params.addRequiredCoupledVar("c", "Name of damage variable");
  params.addParam<bool>(
      "use_current_history_variable", false, "Use the current value of the history variable.");
  params.addParam<MaterialPropertyName>("barrier_energy",
                                        "Name of material property for fracture energy barrier.");
  params.addParam<MaterialPropertyName>(
      "E_name", "elastic_energy", "Name of material property for elastic energy");
  params.addParam<MaterialPropertyName>(
      "D_name", "degradation", "Name of material property for energetic degradation function.");
  params.addParam<MaterialPropertyName>(
      "F_name",
      "local_fracture_energy",
      "Name of material property for local fracture energy function.");
  return params;
}

Referenced by ComputeLinearElasticPFFractureStress::validParams().

Member Data Documentation

_barrier

const MaterialProperty<Real>& ComputePFFractureStressBase::_barrier

protected

material property for fracture energy barrier

Definition at line 56 of file ComputePFFractureStressBase.h.

Referenced by ComputeLinearElasticPFFractureStress::computeQpStress().

_base_name

const std::string ComputeStressBase::_base_name

protectedinherited

Base name prepended to all material property names to allow for multi-material systems.

Definition at line 45 of file ComputeStressBase.h.

Referenced by ComputeLinearElasticStress::initialSetup(), and ComputeCosseratLinearElasticStress::initialSetup().

_c

const VariableValue& ComputePFFractureStressBase::_c

protected

Coupled order parameter defining the crack.

Definition at line 38 of file ComputePFFractureStressBase.h.

_D

const MaterialProperty<Real>& ComputePFFractureStressBase::_D

protected

Material property for energetic degradation function.

Definition at line 74 of file ComputePFFractureStressBase.h.

Referenced by ComputeLinearElasticPFFractureStress::computeQpStress(), ComputeLinearElasticPFFractureStress::computeStrainSpectral(), ComputeLinearElasticPFFractureStress::computeStrainVolDev(), and ComputeLinearElasticPFFractureStress::computeStressSpectral().

_d2Dd2c

const MaterialProperty<Real>& ComputePFFractureStressBase::_d2Dd2c

protected

Second-order derivative of degradation w.r.t damage variable.

Definition at line 80 of file ComputePFFractureStressBase.h.

Referenced by ComputeLinearElasticPFFractureStress::computeQpStress().

_d2Ed2c

MaterialProperty<Real>& ComputePFFractureStressBase::_d2Ed2c

protected

Second-order derivative of elastic energy w.r.t damage variable.

Definition at line 65 of file ComputePFFractureStressBase.h.

Referenced by ComputeLinearElasticPFFractureStress::computeQpStress().

_d2Fdcdstrain

MaterialProperty<RankTwoTensor>& ComputePFFractureStressBase::_d2Fdcdstrain

protected

Second-order derivative of elastic energy w.r.t damage variable and strain.

Definition at line 71 of file ComputePFFractureStressBase.h.

Referenced by ComputeLinearElasticPFFractureStress::computeQpStress(), ComputeLinearElasticPFFractureStress::computeStrainSpectral(), ComputeLinearElasticPFFractureStress::computeStrainVolDev(), and ComputeLinearElasticPFFractureStress::computeStressSpectral().

_dDdc

const MaterialProperty<Real>& ComputePFFractureStressBase::_dDdc

protected

Derivative of degradation function w.r.t damage variable.

Definition at line 77 of file ComputePFFractureStressBase.h.

Referenced by ComputeLinearElasticPFFractureStress::computeQpStress(), ComputeLinearElasticPFFractureStress::computeStrainSpectral(), ComputeLinearElasticPFFractureStress::computeStrainVolDev(), and ComputeLinearElasticPFFractureStress::computeStressSpectral().

_dEdc

MaterialProperty<Real>& ComputePFFractureStressBase::_dEdc

protected

Derivative of elastic energy w.r.t damage variable.

Definition at line 62 of file ComputePFFractureStressBase.h.

Referenced by ComputeLinearElasticPFFractureStress::computeQpStress().

_dstress_dc

MaterialProperty<RankTwoTensor>& ComputePFFractureStressBase::_dstress_dc

protected

Derivative of stress w.r.t damage variable.

Definition at line 68 of file ComputePFFractureStressBase.h.

Referenced by ComputeLinearElasticPFFractureStress::computeQpStress(), ComputeLinearElasticPFFractureStress::computeStrainSpectral(), ComputeLinearElasticPFFractureStress::computeStrainVolDev(), and ComputeLinearElasticPFFractureStress::computeStressSpectral().

_E

MaterialProperty<Real>& ComputePFFractureStressBase::_E

protected

Material property for elastic energy.

Definition at line 59 of file ComputePFFractureStressBase.h.

Referenced by ComputeLinearElasticPFFractureStress::computeQpStress().

_elastic_strain

MaterialProperty<RankTwoTensor>& ComputeStressBase::_elastic_strain

protectedinherited

Elastic strain material property.

Definition at line 52 of file ComputeStressBase.h.

Referenced by ComputeSmearedCrackingStress::computeCrackStrainAndOrientation(), ComputeLinearElasticStress::computeQpStress(), ComputeFiniteStrainElasticStress::computeQpStress(), ComputeCosseratLinearElasticStress::computeQpStress(), ComputeSmearedCrackingStress::computeQpStress(), FiniteStrainPlasticMaterial::computeQpStress(), ComputeMultiPlasticityStress::computeQpStress(), ComputeLinearViscoelasticStress::computeQpStress(), ComputeMultipleInelasticStress::computeQpStressIntermediateConfiguration(), ComputeMultipleInelasticStress::finiteStrainRotation(), and ComputeStressBase::initQpStatefulProperties().

_elasticity_tensor

const MaterialProperty<RankFourTensor>& ComputePFFractureStressBase::_elasticity_tensor

protected

Elasticity tensor material property.

Definition at line 35 of file ComputePFFractureStressBase.h.

Referenced by ComputeLinearElasticPFFractureStress::computeQpStress(), ComputeLinearElasticPFFractureStress::computeStrainSpectral(), ComputeLinearElasticPFFractureStress::computeStrainVolDev(), and ComputeLinearElasticPFFractureStress::computeStressSpectral().

_elasticity_tensor_name

const std::string ComputePFFractureStressBase::_elasticity_tensor_name

protected

Name of the elasticity tensor material property.

Definition at line 33 of file ComputePFFractureStressBase.h.

Referenced by ComputeLinearElasticPFFractureStress::initialSetup().

_extra_stress

const MaterialProperty<RankTwoTensor>& ComputeStressBase::_extra_stress

protectedinherited

Extra stress tensor.

Definition at line 55 of file ComputeStressBase.h.

Referenced by ComputeStressBase::computeQpProperties().

_gc

const MaterialProperty<Real>& ComputePFFractureStressBase::_gc

protected

Material property defining gc parameter, declared elsewhere.

Definition at line 44 of file ComputePFFractureStressBase.h.

_H

MaterialProperty<Real>& ComputePFFractureStressBase::_H

protected

History variable that prevents crack healing, declared in this material.

Definition at line 50 of file ComputePFFractureStressBase.h.

Referenced by ComputeLinearElasticPFFractureStress::computeQpStress(), and initQpStatefulProperties().

_H_old

const MaterialProperty<Real>& ComputePFFractureStressBase::_H_old

protected

Old value of history variable.

Definition at line 53 of file ComputePFFractureStressBase.h.

Referenced by ComputeLinearElasticPFFractureStress::computeQpStress().

_initial_stress_fcn

std::vector<const Function *> ComputeStressBase::_initial_stress_fcn

protectedinherited

initial stress components

Definition at line 58 of file ComputeStressBase.h.

_Jacobian_mult

MaterialProperty<RankFourTensor>& ComputeStressBase::_Jacobian_mult

protectedinherited

derivative of stress w.r.t. strain (_dstress_dstrain)

Definition at line 61 of file ComputeStressBase.h.

Referenced by ComputeStrainIncrementBasedStress::computeQpJacobian(), FiniteStrainHyperElasticViscoPlastic::computeQpJacobian(), ComputeMultipleInelasticCosseratStress::computeQpJacobianMult(), ComputeMultipleInelasticStress::computeQpJacobianMult(), ComputeLinearElasticStress::computeQpStress(), ComputeDamageStress::computeQpStress(), ComputeFiniteStrainElasticStress::computeQpStress(), ComputeCosseratLinearElasticStress::computeQpStress(), ComputeSmearedCrackingStress::computeQpStress(), FiniteStrainPlasticMaterial::computeQpStress(), ComputeLinearElasticPFFractureStress::computeQpStress(), ComputeMultiPlasticityStress::computeQpStress(), ComputeLinearViscoelasticStress::computeQpStress(), ComputeMultipleInelasticStress::computeQpStress(), ComputeMultipleInelasticStress::computeQpStressIntermediateConfiguration(), ComputeLinearElasticPFFractureStress::computeStrainSpectral(), ComputeLinearElasticPFFractureStress::computeStrainVolDev(), ComputeLinearElasticPFFractureStress::computeStressSpectral(), FiniteStrainUObasedCP::elasticTangentModuli(), FiniteStrainUObasedCP::elastoPlasticTangentModuli(), ComputeMultipleInelasticStress::finiteStrainRotation(), ComputeMultiPlasticityStress::postReturnMap(), FiniteStrainCrystalPlasticity::postSolveQp(), FiniteStrainCrystalPlasticity::preSolveQp(), and ComputeMultipleInelasticStress::updateQpStateSingleModel().

_l

const MaterialProperty<Real>& ComputePFFractureStressBase::_l

protected

Material property defining crack width, declared elsewhere.

Definition at line 41 of file ComputePFFractureStressBase.h.

_mechanical_strain

const MaterialProperty<RankTwoTensor>& ComputeStressBase::_mechanical_strain

protectedinherited

Mechanical strain material property.

Definition at line 48 of file ComputeStressBase.h.

Referenced by ComputeLinearElasticStress::computeQpStress(), ComputeFiniteStrainElasticStress::computeQpStress(), ComputeCosseratLinearElasticStress::computeQpStress(), FiniteStrainPlasticMaterial::computeQpStress(), ComputeLinearElasticPFFractureStress::computeQpStress(), ComputeLinearViscoelasticStress::computeQpStress(), ComputeLinearElasticPFFractureStress::computeStrainSpectral(), ComputeLinearElasticPFFractureStress::computeStrainVolDev(), and ComputeLinearElasticPFFractureStress::computeStressSpectral().

_stress

MaterialProperty<RankTwoTensor>& ComputeStressBase::_stress

protectedinherited

Stress material property.

Definition at line 50 of file ComputeStressBase.h.

Referenced by ComputeMultipleInelasticCosseratStress::computeAdmissibleState(), ComputeMultipleInelasticStress::computeAdmissibleState(), ComputeStressBase::computeQpProperties(), ComputeStrainIncrementBasedStress::computeQpStress(), ComputeLinearElasticStress::computeQpStress(), ComputeDamageStress::computeQpStress(), ComputeFiniteStrainElasticStress::computeQpStress(), ComputeCosseratLinearElasticStress::computeQpStress(), ComputeSmearedCrackingStress::computeQpStress(), ComputeLinearElasticPFFractureStress::computeQpStress(), FiniteStrainPlasticMaterial::computeQpStress(), ComputeMultiPlasticityStress::computeQpStress(), ComputeLinearViscoelasticStress::computeQpStress(), ComputeMultipleInelasticStress::computeQpStress(), ComputeMultipleInelasticStress::computeQpStressIntermediateConfiguration(), ComputeLinearElasticPFFractureStress::computeStrainSpectral(), ComputeLinearElasticPFFractureStress::computeStrainVolDev(), ComputeLinearElasticPFFractureStress::computeStressSpectral(), ComputeMultipleInelasticStress::finiteStrainRotation(), ComputeStressBase::initQpStatefulProperties(), FiniteStrainCrystalPlasticity::initQpStatefulProperties(), FiniteStrainUObasedCP::initQpStatefulProperties(), FiniteStrainHyperElasticViscoPlastic::initQpStatefulProperties(), ComputeMultiPlasticityStress::postReturnMap(), FiniteStrainUObasedCP::postSolveQp(), FiniteStrainHyperElasticViscoPlastic::postSolveQp(), FiniteStrainCrystalPlasticity::postSolveQp(), ComputeSmearedCrackingStress::updateCrackingStateAndStress(), ComputeMultipleInelasticStress::updateQpState(), and ComputeMultipleInelasticStress::updateQpStateSingleModel().

_use_current_hist

bool ComputePFFractureStressBase::_use_current_hist

protected

Use current value of history variable.

Definition at line 47 of file ComputePFFractureStressBase.h.

Referenced by ComputeLinearElasticPFFractureStress::computeQpStress(), ComputeLinearElasticPFFractureStress::computeStrainSpectral(), ComputeLinearElasticPFFractureStress::computeStrainVolDev(), and ComputeLinearElasticPFFractureStress::computeStressSpectral().

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

• tensor_mechanics/include/materials/ComputePFFractureStressBase.h
• tensor_mechanics/src/materials/ComputePFFractureStressBase.C