TwoPhaseStressMaterial Class Reference

Construct a global strain from the phase strains in a manner that is consistent with the construction of the global elastic energy by DerivativeTwoPhaseMaterial. More...

#include <TwoPhaseStressMaterial.h>

Inheritance diagram for TwoPhaseStressMaterial:

Public Member Functions
	TwoPhaseStressMaterial (const InputParameters &parameters)

Static Public Member Functions
static InputParameters	validParams ()

Protected Member Functions
virtual void	computeQpProperties ()

Protected Attributes
const MaterialProperty< Real > &	_h_eta
std::string	_base_A
const MaterialProperty< RankTwoTensor > &	_stress_A
const MaterialProperty< RankFourTensor > &	_dstress_dstrain_A
std::string	_base_B
const MaterialProperty< RankTwoTensor > &	_stress_B
const MaterialProperty< RankFourTensor > &	_dstress_dstrain_B
const std::string	_base_name
MaterialProperty< RankTwoTensor > &	_stress
MaterialProperty< RankFourTensor > &	_dstress_dstrain
const MaterialProperty< RankTwoTensor > &	_global_extra_stress
	Global extra stress tensor. More...

Detailed Description

Construct a global strain from the phase strains in a manner that is consistent with the construction of the global elastic energy by DerivativeTwoPhaseMaterial.

Definition at line 31 of file TwoPhaseStressMaterial.h.

Constructor & Destructor Documentation

TwoPhaseStressMaterial()

TwoPhaseStressMaterial::TwoPhaseStressMaterial

(

const InputParameters &

parameters

)

Definition at line 31 of file TwoPhaseStressMaterial.C.

  : DerivativeMaterialInterface<Material>(parameters),
    _h_eta(getMaterialProperty<Real>("h")),
 
    _base_A(getParam<std::string>("base_A") + "_"),
    _stress_A(getMaterialPropertyByName<RankTwoTensor>(_base_A + "stress")),
    _dstress_dstrain_A(getMaterialPropertyByName<RankFourTensor>(_base_A + "Jacobian_mult")),
 
    _base_B(getParam<std::string>("base_B") + "_"),
    _stress_B(getMaterialPropertyByName<RankTwoTensor>(_base_B + "stress")),
    _dstress_dstrain_B(getMaterialPropertyByName<RankFourTensor>(_base_B + "Jacobian_mult")),
 
    _base_name(isParamValid("base_name") ? getParam<std::string>("base_name") + "_" : ""),
    _stress(declareProperty<RankTwoTensor>(_base_name + "stress")),
    _dstress_dstrain(declareProperty<RankFourTensor>(_base_name + "Jacobian_mult")),
    _global_extra_stress(getDefaultMaterialProperty<RankTwoTensor>("extra_stress"))
{
}

Member Function Documentation

computeQpProperties()

void TwoPhaseStressMaterial::computeQpProperties ( )

protectedvirtual

Definition at line 51 of file TwoPhaseStressMaterial.C.

{
  _stress[_qp] = _h_eta[_qp] * _stress_B[_qp] + (1.0 - _h_eta[_qp]) * _stress_A[_qp];
 
  // Add in global extra stress
  _stress[_qp] += _global_extra_stress[_qp];
 
  _dstress_dstrain[_qp] =
      _h_eta[_qp] * _dstress_dstrain_B[_qp] + (1.0 - _h_eta[_qp]) * _dstress_dstrain_A[_qp];
}

validParams()

InputParameters TwoPhaseStressMaterial::validParams ( )

static

Definition at line 19 of file TwoPhaseStressMaterial.C.

{
  InputParameters params = Material::validParams();
  params.addClassDescription("Compute a global stress in a two phase model");
  params.addParam<MaterialPropertyName>(
      "h", "h", "Switching Function Material that provides h(eta)");
  params.addRequiredParam<std::string>("base_A", "Base name for the Phase A strain.");
  params.addRequiredParam<std::string>("base_B", "Base name for the Phase B strain.");
  params.addParam<std::string>("base_name", "Base name for the computed global stress (optional).");
  return params;
}

Member Data Documentation

_base_A

std::string TwoPhaseStressMaterial::_base_A

protected

Definition at line 45 of file TwoPhaseStressMaterial.h.

_base_B

std::string TwoPhaseStressMaterial::_base_B

protected

Definition at line 50 of file TwoPhaseStressMaterial.h.

_base_name

const std::string TwoPhaseStressMaterial::_base_name

protected

Definition at line 55 of file TwoPhaseStressMaterial.h.

_dstress_dstrain

MaterialProperty<RankFourTensor>& TwoPhaseStressMaterial::_dstress_dstrain

protected

Definition at line 57 of file TwoPhaseStressMaterial.h.

Referenced by computeQpProperties().

_dstress_dstrain_A

const MaterialProperty<RankFourTensor>& TwoPhaseStressMaterial::_dstress_dstrain_A

protected

Definition at line 47 of file TwoPhaseStressMaterial.h.

Referenced by computeQpProperties().

_dstress_dstrain_B

const MaterialProperty<RankFourTensor>& TwoPhaseStressMaterial::_dstress_dstrain_B

protected

Definition at line 52 of file TwoPhaseStressMaterial.h.

Referenced by computeQpProperties().

_global_extra_stress

const MaterialProperty<RankTwoTensor>& TwoPhaseStressMaterial::_global_extra_stress

protected

Global extra stress tensor.

Definition at line 60 of file TwoPhaseStressMaterial.h.

Referenced by computeQpProperties().

_h_eta

const MaterialProperty<Real>& TwoPhaseStressMaterial::_h_eta

protected

Definition at line 42 of file TwoPhaseStressMaterial.h.

Referenced by computeQpProperties().

_stress

MaterialProperty<RankTwoTensor>& TwoPhaseStressMaterial::_stress

protected

Definition at line 56 of file TwoPhaseStressMaterial.h.

Referenced by computeQpProperties().

_stress_A

const MaterialProperty<RankTwoTensor>& TwoPhaseStressMaterial::_stress_A

protected

Definition at line 46 of file TwoPhaseStressMaterial.h.

Referenced by computeQpProperties().

_stress_B

const MaterialProperty<RankTwoTensor>& TwoPhaseStressMaterial::_stress_B

protected

Definition at line 51 of file TwoPhaseStressMaterial.h.

Referenced by computeQpProperties().

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

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