ComputeStressBase Class Reference

ComputeStressBase is the base class for stress tensors. More...

#include <ComputeStressBase.h>

Inheritance diagram for ComputeStressBase:

Public Member Functions
	ComputeStressBase (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	_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

ComputeStressBase is the base class for stress tensors.

Definition at line 26 of file ComputeStressBase.h.

Constructor & Destructor Documentation

ComputeStressBase()

ComputeStressBase::ComputeStressBase

(

const InputParameters &

parameters

)

Definition at line 28 of file ComputeStressBase.C.

  : DerivativeMaterialInterface<Material>(parameters),
    _base_name(isParamValid("base_name") ? getParam<std::string>("base_name") + "_" : ""),
    _mechanical_strain(getMaterialPropertyByName<RankTwoTensor>(_base_name + "mechanical_strain")),
    _stress(declareProperty<RankTwoTensor>(_base_name + "stress")),
    _elastic_strain(declareProperty<RankTwoTensor>(_base_name + "elastic_strain")),
    _extra_stress(getDefaultMaterialProperty<RankTwoTensor>(_base_name + "extra_stress")),
    _Jacobian_mult(declareProperty<RankFourTensor>(_base_name + "Jacobian_mult"))
{
 
  if (getParam<bool>("use_displaced_mesh"))
    mooseError("The stress calculator needs to run on the undisplaced mesh.");
}

Member Function Documentation

computeQpProperties()

void ComputeStressBase::computeQpProperties ( )

overrideprotectedvirtual

Definition at line 50 of file ComputeStressBase.C.

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

computeQpStress()

virtual void ComputeStressBase::computeQpStress ( )

protectedpure virtual

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 computeQpProperties().

initQpStatefulProperties()

void ComputeStressBase::initQpStatefulProperties ( )

overrideprotectedvirtual

Reimplemented in ComputeMultipleInelasticStress, ComputeMultipleInelasticCosseratStress, ComputeLinearViscoelasticStress, ComputeSmearedCrackingStress, ComputePFFractureStressBase, FiniteStrainHyperElasticViscoPlastic, FiniteStrainUObasedCP, FiniteStrainCrystalPlasticity, ComputeMultiPlasticityStress, FiniteStrainPlasticMaterial, and ComputeCosseratStressBase.

Definition at line 43 of file ComputeStressBase.C.

{
  _elastic_strain[_qp].zero();
  _stress[_qp].zero();
}

Referenced by ComputeCosseratStressBase::initQpStatefulProperties(), FiniteStrainPlasticMaterial::initQpStatefulProperties(), ComputeMultiPlasticityStress::initQpStatefulProperties(), and ComputeMultipleInelasticStress::initQpStatefulProperties().

validParams()

InputParameters ComputeStressBase::validParams ( )

static

Definition at line 17 of file ComputeStressBase.C.

{
  InputParameters params = Material::validParams();
  params.addParam<std::string>("base_name",
                               "Optional parameter that allows the user to define "
                               "multiple mechanics material systems on the same "
                               "block, i.e. for multiple phases");
  params.suppressParameter<bool>("use_displaced_mesh");
  return params;
}

Referenced by ComputeCosseratStressBase::validParams(), ComputePFFractureStressBase::validParams(), ComputeLinearElasticStress::validParams(), ComputeStrainIncrementBasedStress::validParams(), ComputeFiniteStrainElasticStress::validParams(), FiniteStrainCrystalPlasticity::validParams(), FiniteStrainPlasticMaterial::validParams(), ComputeMultiPlasticityStress::validParams(), FiniteStrainHyperElasticViscoPlastic::validParams(), and FiniteStrainUObasedCP::validParams().

Member Data Documentation

_base_name

const std::string ComputeStressBase::_base_name

protected

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().

_elastic_strain

MaterialProperty<RankTwoTensor>& ComputeStressBase::_elastic_strain

protected

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 initQpStatefulProperties().

_extra_stress

const MaterialProperty<RankTwoTensor>& ComputeStressBase::_extra_stress

protected

Extra stress tensor.

Definition at line 55 of file ComputeStressBase.h.

Referenced by computeQpProperties().

_initial_stress_fcn

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

protected

initial stress components

Definition at line 58 of file ComputeStressBase.h.

_Jacobian_mult

MaterialProperty<RankFourTensor>& ComputeStressBase::_Jacobian_mult

protected

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().

_mechanical_strain

const MaterialProperty<RankTwoTensor>& ComputeStressBase::_mechanical_strain

protected

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

protected

Stress material property.

Definition at line 50 of file ComputeStressBase.h.

Referenced by ComputeMultipleInelasticCosseratStress::computeAdmissibleState(), ComputeMultipleInelasticStress::computeAdmissibleState(), 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(), initQpStatefulProperties(), FiniteStrainCrystalPlasticity::initQpStatefulProperties(), FiniteStrainUObasedCP::initQpStatefulProperties(), FiniteStrainHyperElasticViscoPlastic::initQpStatefulProperties(), ComputeMultiPlasticityStress::postReturnMap(), FiniteStrainUObasedCP::postSolveQp(), FiniteStrainHyperElasticViscoPlastic::postSolveQp(), FiniteStrainCrystalPlasticity::postSolveQp(), ComputeSmearedCrackingStress::updateCrackingStateAndStress(), ComputeMultipleInelasticStress::updateQpState(), and ComputeMultipleInelasticStress::updateQpStateSingleModel().

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

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