ComputeCosseratLinearElasticStress Class Reference

ComputeCosseratLinearElasticStress computes the Cosserat stress and couple-stress following linear elasticity theory It also sets the d(stress)/d(strain) and d(couple_stress)/d(curvature) tensors appropriately. More...

#include <ComputeCosseratLinearElasticStress.h>

Inheritance diagram for ComputeCosseratLinearElasticStress:

Public Member Functions
	ComputeCosseratLinearElasticStress (const InputParameters &parameters)
virtual void	initialSetup () override

Static Public Member Functions
static InputParameters	validParams ()

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

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 MaterialProperty< RankTwoTensor > &	_curvature
	The Cosserat curvature strain. More...
const MaterialProperty< RankFourTensor > &	_elastic_flexural_rigidity_tensor
	The Cosserat elastic flexural rigidity tensor. More...
MaterialProperty< RankTwoTensor > &	_stress_couple
	the Cosserat couple-stress More...
MaterialProperty< RankFourTensor > &	_Jacobian_mult_couple
	derivative of couple-stress w.r.t. curvature 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

ComputeCosseratLinearElasticStress computes the Cosserat stress and couple-stress following linear elasticity theory It also sets the d(stress)/d(strain) and d(couple_stress)/d(curvature) tensors appropriately.

Definition at line 25 of file ComputeCosseratLinearElasticStress.h.

Constructor & Destructor Documentation

ComputeCosseratLinearElasticStress()

ComputeCosseratLinearElasticStress::ComputeCosseratLinearElasticStress

(

const InputParameters &

parameters

)

Definition at line 25 of file ComputeCosseratLinearElasticStress.C.

  : ComputeCosseratStressBase(parameters),
    _elasticity_tensor_name(_base_name + "elasticity_tensor"),
    _elasticity_tensor(getMaterialPropertyByName<RankFourTensor>(_elasticity_tensor_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()

void ComputeCosseratLinearElasticStress::computeQpStress ( )

overrideprotectedvirtual

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

Implements ComputeCosseratStressBase.

Definition at line 41 of file ComputeCosseratLinearElasticStress.C.

{
  _stress[_qp] = _elasticity_tensor[_qp] * _mechanical_strain[_qp];
  _stress_couple[_qp] = _elastic_flexural_rigidity_tensor[_qp] * _curvature[_qp];
 
  _elastic_strain[_qp] = _mechanical_strain[_qp];
 
  _Jacobian_mult[_qp] = _elasticity_tensor[_qp];
  _Jacobian_mult_couple[_qp] = _elastic_flexural_rigidity_tensor[_qp];
}

initialSetup()

void ComputeCosseratLinearElasticStress::initialSetup ( )

overridevirtual

Definition at line 34 of file ComputeCosseratLinearElasticStress.C.

{
  if (hasBlockMaterialProperty<RankTwoTensor>(_base_name + "strain_increment"))
    mooseError("This linear elastic stress calculation only works for small strains");
}

initQpStatefulProperties()

void ComputeCosseratStressBase::initQpStatefulProperties ( )

protectedvirtualinherited

Reimplemented from ComputeStressBase.

Definition at line 33 of file ComputeCosseratStressBase.C.

{
  ComputeStressBase::initQpStatefulProperties();
  _stress_couple[_qp].zero();
}

validParams()

InputParameters ComputeCosseratLinearElasticStress::validParams ( )

static

Definition at line 17 of file ComputeCosseratLinearElasticStress.C.

{
  InputParameters params = ComputeCosseratStressBase::validParams();
  params.addClassDescription(
      "Compute Cosserat stress and couple-stress elasticity for small strains");
  return params;
}

Member Data Documentation

_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 initialSetup().

_curvature

const MaterialProperty<RankTwoTensor>& ComputeCosseratStressBase::_curvature

protectedinherited

The Cosserat curvature strain.

Definition at line 34 of file ComputeCosseratStressBase.h.

Referenced by computeQpStress().

_elastic_flexural_rigidity_tensor

const MaterialProperty<RankFourTensor>& ComputeCosseratStressBase::_elastic_flexural_rigidity_tensor

protectedinherited

The Cosserat elastic flexural rigidity tensor.

Definition at line 37 of file ComputeCosseratStressBase.h.

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

_elasticity_tensor

const MaterialProperty<RankFourTensor>& ComputeCosseratLinearElasticStress::_elasticity_tensor

protected

Elasticity tensor material property.

Definition at line 40 of file ComputeCosseratLinearElasticStress.h.

Referenced by computeQpStress().

_elasticity_tensor_name

const std::string ComputeCosseratLinearElasticStress::_elasticity_tensor_name

protected

Name of the elasticity tensor material property.

Definition at line 38 of file ComputeCosseratLinearElasticStress.h.

_extra_stress

const MaterialProperty<RankTwoTensor>& ComputeStressBase::_extra_stress

protectedinherited

Extra stress tensor.

Definition at line 55 of file ComputeStressBase.h.

Referenced by ComputeStressBase::computeQpProperties().

_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(), 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().

_Jacobian_mult_couple

MaterialProperty<RankFourTensor>& ComputeCosseratStressBase::_Jacobian_mult_couple

protectedinherited

derivative of couple-stress w.r.t. curvature

Definition at line 43 of file ComputeCosseratStressBase.h.

Referenced by computeQpStress().

_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(), 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(), 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().

_stress_couple

MaterialProperty<RankTwoTensor>& ComputeCosseratStressBase::_stress_couple

protectedinherited

the Cosserat couple-stress

Definition at line 40 of file ComputeCosseratStressBase.h.

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

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

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