Compute2DSmallStrain defines a strain tensor, assuming small strains, in 2D geometries / simulations. More...

#include <Compute2DSmallStrain.h>

Inheritance diagram for Compute2DSmallStrain:

Public Types
typedef DerivativeMaterialPropertyNameInterface::SymbolName	SymbolName

Public Member Functions
	Compute2DSmallStrain (const InputParameters &parameters)

void	initialSetup () override

const GenericMaterialProperty< U, is_ad > &	getDefaultMaterialProperty (const std::string &name)

const GenericMaterialProperty< U, is_ad > &	getDefaultMaterialPropertyByName (const std::string &name)

void	validateDerivativeMaterialPropertyBase (const std::string &base)

const MaterialPropertyName	derivativePropertyName (const MaterialPropertyName &base, const std::vector< SymbolName > &c) const

const MaterialPropertyName	derivativePropertyNameFirst (const MaterialPropertyName &base, const SymbolName &c1) const

const MaterialPropertyName	derivativePropertyNameSecond (const MaterialPropertyName &base, const SymbolName &c1, const SymbolName &c2) const

const MaterialPropertyName	derivativePropertyNameThird (const MaterialPropertyName &base, const SymbolName &c1, const SymbolName &c2, const SymbolName &c3) const

GenericMaterialProperty< U, is_ad > &	declarePropertyDerivative (const std::string &base, const std::vector< VariableName > &c)

GenericMaterialProperty< U, is_ad > &	declarePropertyDerivative (const std::string &base, const std::vector< SymbolName > &c)

GenericMaterialProperty< U, is_ad > &	declarePropertyDerivative (const std::string &base, const SymbolName &c1, const SymbolName &c2="", const SymbolName &c3="")

GenericMaterialProperty< U, is_ad > &	declarePropertyDerivative (const std::string &base, const std::vector< VariableName > &c)

GenericMaterialProperty< U, is_ad > &	declarePropertyDerivative (const std::string &base, const std::vector< SymbolName > &c)

GenericMaterialProperty< U, is_ad > &	declarePropertyDerivative (const std::string &base, const SymbolName &c1, const SymbolName &c2="", const SymbolName &c3="")

const GenericMaterialProperty< U, is_ad > &	getMaterialPropertyDerivative (const std::string &base, const std::vector< VariableName > &c)

const GenericMaterialProperty< U, is_ad > &	getMaterialPropertyDerivative (const std::string &base, const std::vector< SymbolName > &c)

const GenericMaterialProperty< U, is_ad > &	getMaterialPropertyDerivative (const std::string &base, const SymbolName &c1, const SymbolName &c2="", const SymbolName &c3="")

const GenericMaterialProperty< U, is_ad > &	getMaterialPropertyDerivative (const std::string &base, const SymbolName &c1, unsigned int v2, unsigned int v3=libMesh::invalid_uint)

const GenericMaterialProperty< U, is_ad > &	getMaterialPropertyDerivative (const std::string &base, unsigned int v1, unsigned int v2=libMesh::invalid_uint, unsigned int v3=libMesh::invalid_uint)

const GenericMaterialProperty< U, is_ad > &	getMaterialPropertyDerivative (const std::string &base, const std::vector< VariableName > &c)

const GenericMaterialProperty< U, is_ad > &	getMaterialPropertyDerivative (const std::string &base, const std::vector< SymbolName > &c)

const GenericMaterialProperty< U, is_ad > &	getMaterialPropertyDerivative (const std::string &base, const SymbolName &c1, const SymbolName &c2="", const SymbolName &c3="")

const GenericMaterialProperty< U, is_ad > &	getMaterialPropertyDerivative (const std::string &base, const SymbolName &c1, unsigned int v2, unsigned int v3=libMesh::invalid_uint)

const GenericMaterialProperty< U, is_ad > &	getMaterialPropertyDerivative (const std::string &base, unsigned int v1, unsigned int v2=libMesh::invalid_uint, unsigned int v3=libMesh::invalid_uint)

const GenericMaterialProperty< U, is_ad > &	getMaterialPropertyDerivativeByName (const MaterialPropertyName &base, const std::vector< VariableName > &c)

const GenericMaterialProperty< U, is_ad > &	getMaterialPropertyDerivativeByName (const MaterialPropertyName &base, const std::vector< SymbolName > &c)

const GenericMaterialProperty< U, is_ad > &	getMaterialPropertyDerivativeByName (const MaterialPropertyName &base, const SymbolName &c1, const SymbolName &c2="", const SymbolName &c3="")

const GenericMaterialProperty< U, is_ad > &	getMaterialPropertyDerivativeByName (const MaterialPropertyName &base, const std::vector< VariableName > &c)

const GenericMaterialProperty< U, is_ad > &	getMaterialPropertyDerivativeByName (const MaterialPropertyName &base, const std::vector< SymbolName > &c)

const GenericMaterialProperty< U, is_ad > &	getMaterialPropertyDerivativeByName (const MaterialPropertyName &base, const SymbolName &c1, const SymbolName &c2="", const SymbolName &c3="")

void	validateCoupling (const MaterialPropertyName &base, const std::vector< VariableName > &c, bool validate_aux=true)

void	validateCoupling (const MaterialPropertyName &base, const VariableName &c1="", const VariableName &c2="", const VariableName &c3="")

void	validateCoupling (const MaterialPropertyName &base, const std::vector< VariableName > &c, bool validate_aux=true)

void	validateCoupling (const MaterialPropertyName &base, const VariableName &c1="", const VariableName &c2="", const VariableName &c3="")

void	validateNonlinearCoupling (const MaterialPropertyName &base, const VariableName &c1="", const VariableName &c2="", const VariableName &c3="")

void	validateNonlinearCoupling (const MaterialPropertyName &base, const VariableName &c1="", const VariableName &c2="", const VariableName &c3="")

const MaterialPropertyName	propertyName (const MaterialPropertyName &base, const std::vector< SymbolName > &c) const

const MaterialPropertyName	propertyName (const MaterialPropertyName &base, const std::vector< SymbolName > &c) const

const MaterialPropertyName	propertyNameFirst (const MaterialPropertyName &base, const SymbolName &c1) const

const MaterialPropertyName	propertyNameFirst (const MaterialPropertyName &base, const SymbolName &c1) const

const MaterialPropertyName	propertyNameSecond (const MaterialPropertyName &base, const SymbolName &c1, const SymbolName &c2) const

const MaterialPropertyName	propertyNameSecond (const MaterialPropertyName &base, const SymbolName &c1, const SymbolName &c2) const

const MaterialPropertyName	propertyNameThird (const MaterialPropertyName &base, const SymbolName &c1, const SymbolName &c2, const SymbolName &c3) const

const MaterialPropertyName	propertyNameThird (const MaterialPropertyName &base, const SymbolName &c1, const SymbolName &c2, const SymbolName &c3) const

Static Public Member Functions
static InputParameters	validParams ()

Protected Member Functions
virtual void	computeProperties () override

virtual void	displacementIntegrityCheck () override

virtual Real	computeOutOfPlaneStrain ()=0

virtual void	initQpStatefulProperties () override

Protected Attributes
const unsigned int	_out_of_plane_direction

unsigned int	_ndisp
	Coupled displacement variables.

std::vector< const VariableValue * >	_disp
	Displacement variables.

std::vector< const VariableGradient * >	_grad_disp
	Gradient of displacements.

const std::string	_base_name
	Base name of the material system.

MaterialProperty< RankTwoTensor > &	_mechanical_strain

MaterialProperty< RankTwoTensor > &	_total_strain

std::vector< MaterialPropertyName >	_eigenstrain_names

std::vector< const MaterialProperty< RankTwoTensor > * >	_eigenstrains

const MaterialProperty< RankTwoTensor > *const	_global_strain

const bool	_volumetric_locking_correction

const Real &	_current_elem_volume

Private Member Functions
bool	haveMaterialProperty (const std::string &prop_name)

std::vector< VariableName >	buildVariableVector (const VariableName &c1, const VariableName &c2, const VariableName &c3)

void	validateCouplingHelper (const MaterialPropertyName &base, const std::vector< VariableName > &c, const System &system, std::vector< VariableName > &missing)

bool	isNotObjectVariable (const VariableName &name)

Private Attributes
FEProblemBase &	_dmi_fe_problem

Detailed Description

Compute2DSmallStrain defines a strain tensor, assuming small strains, in 2D geometries / simulations.

ComputePlaneSmallStrain acts as a base class for ComputePlaneSmallStrain and ComputeAxisymmetricRZSmallStrain through the computeOutOfPlaneStrain method.

Definition at line 20 of file Compute2DSmallStrain.h.

Constructor & Destructor Documentation

◆ Compute2DSmallStrain()

Compute2DSmallStrain::Compute2DSmallStrain ( const InputParameters & parameters )

Definition at line 26 of file Compute2DSmallStrain.C.

  : ComputeSmallStrain(parameters),
    _out_of_plane_direction(getParam<MooseEnum>("out_of_plane_direction"))
{
}

Member Function Documentation

◆ computeOutOfPlaneStrain()

virtual Real Compute2DSmallStrain::computeOutOfPlaneStrain ( )

protectedpure virtual

Implemented in ComputePlaneSmallStrain, and ComputeAxisymmetricRZSmallStrain.

Referenced by computeProperties().

◆ computeProperties()

void Compute2DSmallStrain::computeProperties ( )

overrideprotectedvirtual

Reimplemented from ComputeSmallStrain.

Definition at line 52 of file Compute2DSmallStrain.C.

{
  const auto o0 = _out_of_plane_direction;
  const auto o1 = (_out_of_plane_direction + 1) % 3;
  const auto o2 = (_out_of_plane_direction + 2) % 3;
 
  Real volumetric_strain = 0.0;
  for (_qp = 0; _qp < _qrule->n_points(); ++_qp)
  {
    _total_strain[_qp](o0, o0) = computeOutOfPlaneStrain();
    _total_strain[_qp](o1, o1) = (*_grad_disp[o1])[_qp](o1);
    _total_strain[_qp](o2, o2) = (*_grad_disp[o2])[_qp](o2);
    _total_strain[_qp](o1, o2) = ((*_grad_disp[o1])[_qp](o2) + (*_grad_disp[o2])[_qp](o1)) / 2.0;
    _total_strain[_qp](o2, o1) = _total_strain[_qp](o1, o2); // force the symmetrical strain tensor
 
    if (_volumetric_locking_correction)
      volumetric_strain += _total_strain[_qp].trace() * _JxW[_qp] * _coord[_qp];
  }
 
  if (_volumetric_locking_correction)
    volumetric_strain /= _current_elem_volume;
 
  for (_qp = 0; _qp < _qrule->n_points(); ++_qp)
  {
    if (_volumetric_locking_correction)
    {
      const Real correction = (volumetric_strain - _total_strain[_qp].trace()) / 3.0;
      _total_strain[_qp](0, 0) += correction;
      _total_strain[_qp](1, 1) += correction;
      _total_strain[_qp](2, 2) += correction;
    }
 
    _mechanical_strain[_qp] = _total_strain[_qp];
 
    // Remove the eigenstrains
    for (const auto es : _eigenstrains)
      _mechanical_strain[_qp] -= (*es)[_qp];
  }
}

◆ displacementIntegrityCheck()

void Compute2DSmallStrain::displacementIntegrityCheck ( )

overrideprotectedvirtual

Reimplemented from ComputeStrainBase.

Definition at line 93 of file Compute2DSmallStrain.C.

{
  if (_out_of_plane_direction != 2 && _ndisp != 3)
    mooseError("For 2D simulations where the out-of-plane direction is x or y the number of "
               "supplied displacements must be three.");
  else if (_out_of_plane_direction == 2 && _ndisp != 2)
    mooseError("For 2D simulations where the out-of-plane direction is z the number of supplied "
               "displacements must be two.");
}

Referenced by initialSetup().

◆ initialSetup()

void Compute2DSmallStrain::initialSetup ( )

override

Definition at line 33 of file Compute2DSmallStrain.C.

{
  displacementIntegrityCheck();
  for (unsigned int i = 0; i < 3; ++i)
  {
    if (_out_of_plane_direction == i)
    {
      _disp[i] = &_zero;
      _grad_disp[i] = &_grad_zero;
    }
    else
    {
      _disp[i] = &coupledValue("displacements", i);
      _grad_disp[i] = &coupledGradient("displacements", i);
    }
  }
}

Referenced by ComputeAxisymmetricRZSmallStrain::initialSetup().

◆ initQpStatefulProperties()

void ComputeStrainBase::initQpStatefulProperties ( )

overrideprotectedvirtualinherited

Reimplemented in ComputeCosseratIncrementalSmallStrain, and ComputeIncrementalStrainBase.

Definition at line 93 of file ComputeStrainBase.C.

{
  _mechanical_strain[_qp].zero();
  _total_strain[_qp].zero();
}

◆ validParams()

InputParameters Compute2DSmallStrain::validParams ( )

static

Definition at line 15 of file Compute2DSmallStrain.C.

{
  InputParameters params = ComputeSmallStrain::validParams();
  params.addClassDescription("Compute a small strain in a plane strain configuration.");
 
  MooseEnum outOfPlaneDirection("x y z", "z");
  params.addParam<MooseEnum>(
      "out_of_plane_direction", outOfPlaneDirection, "The direction of the out-of-plane strain.");
  return params;
}

Referenced by ComputeAxisymmetricRZSmallStrain::validParams(), and ComputePlaneSmallStrain::validParams().

Member Data Documentation

◆ _base_name

const std::string ComputeStrainBase::_base_name

protectedinherited

Base name of the material system.

Definition at line 44 of file ComputeStrainBase.h.

Referenced by ComputeStrainBase::ComputeStrainBase().

◆ _current_elem_volume

const Real& ComputeStrainBase::_current_elem_volume

protectedinherited

Definition at line 56 of file ComputeStrainBase.h.

Referenced by Compute2DFiniteStrain::computeProperties(), computeProperties(), ComputeFiniteStrain::computeProperties(), ComputeIncrementalStrain::computeProperties(), and ComputeSmallStrain::computeProperties().

◆ _disp

std::vector<const VariableValue *> ComputeStrainBase::_disp

protectedinherited

Displacement variables.

Definition at line 38 of file ComputeStrainBase.h.

Referenced by ComputeAxisymmetric1DFiniteStrain::computeGradDispZZ(), ComputeAxisymmetric1DIncrementalStrain::computeGradDispZZ(), ComputeAxisymmetricRZFiniteStrain::computeOutOfPlaneGradDisp(), ComputeAxisymmetricRZIncrementalStrain::computeOutOfPlaneGradDisp(), ComputeAxisymmetricRZSmallStrain::computeOutOfPlaneStrain(), ComputeRSphericalFiniteStrain::computeProperties(), ComputeRSphericalSmallStrain::computeProperties(), ComputeStrainBase::ComputeStrainBase(), ComputeAxisymmetric1DSmallStrain::computeStrainZZ(), ComputeRSphericalIncrementalStrain::computeTotalStrainIncrement(), Compute2DFiniteStrain::initialSetup(), Compute2DIncrementalStrain::initialSetup(), and initialSetup().

◆ _eigenstrain_names

std::vector<MaterialPropertyName> ComputeStrainBase::_eigenstrain_names

protectedinherited

Definition at line 50 of file ComputeStrainBase.h.

Referenced by ComputeIncrementalStrainBase::ComputeIncrementalStrainBase(), and ComputeStrainBase::ComputeStrainBase().

◆ _eigenstrains

std::vector<const MaterialProperty<RankTwoTensor> *> ComputeStrainBase::_eigenstrains

protectedinherited

Definition at line 51 of file ComputeStrainBase.h.

Referenced by Compute1DSmallStrain::computeProperties(), computeProperties(), ComputeRSphericalSmallStrain::computeProperties(), ComputeSmallStrain::computeProperties(), ComputeCosseratSmallStrain::computeQpProperties(), ComputeCrackTipEnrichmentSmallStrain::computeQpProperties(), ComputeStrainBase::ComputeStrainBase(), and ComputeIncrementalStrainBase::subtractEigenstrainIncrementFromStrain().

◆ _global_strain

const MaterialProperty<RankTwoTensor>* const ComputeStrainBase::_global_strain

protectedinherited

Definition at line 53 of file ComputeStrainBase.h.

Referenced by ComputeSmallStrain::computeProperties(), and ComputeFiniteStrain::computeQpStrain().

◆ _grad_disp

std::vector<const VariableGradient *> ComputeStrainBase::_grad_disp

protectedinherited

Gradient of displacements.

Definition at line 41 of file ComputeStrainBase.h.

◆ _mechanical_strain

MaterialProperty<RankTwoTensor>& ComputeStrainBase::_mechanical_strain

protectedinherited

Definition at line 46 of file ComputeStrainBase.h.

Referenced by Compute1DSmallStrain::computeProperties(), computeProperties(), ComputeIncrementalStrain::computeProperties(), ComputeRSphericalSmallStrain::computeProperties(), ComputeSmallStrain::computeProperties(), ComputeCosseratIncrementalSmallStrain::computeQpProperties(), ComputeCosseratSmallStrain::computeQpProperties(), ComputeCrackTipEnrichmentSmallStrain::computeQpProperties(), ComputeFiniteStrain::computeQpStrain(), ComputeIncrementalStrainBase::initQpStatefulProperties(), and ComputeStrainBase::initQpStatefulProperties().

◆ _ndisp

unsigned int ComputeStrainBase::_ndisp

protectedinherited

Coupled displacement variables.

Definition at line 35 of file ComputeStrainBase.h.

Referenced by ComputeCrackTipEnrichmentSmallStrain::ComputeCrackTipEnrichmentSmallStrain(), ComputeCrackTipEnrichmentSmallStrain::computeQpProperties(), ComputeStrainBase::ComputeStrainBase(), ComputeStrainBase::displacementIntegrityCheck(), Compute2DFiniteStrain::displacementIntegrityCheck(), Compute2DIncrementalStrain::displacementIntegrityCheck(), displacementIntegrityCheck(), and ComputeIncrementalStrainBase::initialSetup().

◆ _out_of_plane_direction

const unsigned int Compute2DSmallStrain::_out_of_plane_direction

protected

Definition at line 34 of file Compute2DSmallStrain.h.

Referenced by computeProperties(), displacementIntegrityCheck(), initialSetup(), and ComputeAxisymmetricRZSmallStrain::initialSetup().

◆ _total_strain

MaterialProperty<RankTwoTensor>& ComputeStrainBase::_total_strain

protectedinherited

Definition at line 48 of file ComputeStrainBase.h.

Referenced by Compute1DSmallStrain::computeProperties(), computeProperties(), ComputeIncrementalStrain::computeProperties(), ComputeRSphericalSmallStrain::computeProperties(), ComputeSmallStrain::computeProperties(), ComputeCosseratIncrementalSmallStrain::computeQpProperties(), ComputeCosseratSmallStrain::computeQpProperties(), ComputeCrackTipEnrichmentSmallStrain::computeQpProperties(), ComputeFiniteStrain::computeQpStrain(), ComputeIncrementalStrainBase::initQpStatefulProperties(), and ComputeStrainBase::initQpStatefulProperties().

◆ _volumetric_locking_correction

const bool ComputeStrainBase::_volumetric_locking_correction

protectedinherited

Definition at line 55 of file ComputeStrainBase.h.

Referenced by Compute2DFiniteStrain::computeProperties(), computeProperties(), ComputeFiniteStrain::computeProperties(), ComputeIncrementalStrain::computeProperties(), ComputeSmallStrain::computeProperties(), and ComputeStrainBase::ComputeStrainBase().

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

solid_mechanics/include/materials/Compute2DSmallStrain.h
solid_mechanics/src/materials/Compute2DSmallStrain.C

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ Compute2DSmallStrain()

Member Function Documentation

◆ computeOutOfPlaneStrain()

◆ computeProperties()

◆ displacementIntegrityCheck()

◆ initialSetup()

◆ initQpStatefulProperties()

◆ validParams()

Member Data Documentation

◆ _base_name

◆ _current_elem_volume

◆ _disp

◆ _eigenstrain_names

◆ _eigenstrains

◆ _global_strain

◆ _grad_disp

◆ _mechanical_strain

◆ _ndisp

◆ _out_of_plane_direction

◆ _total_strain

◆ _volumetric_locking_correction