ComputeCosseratSmallStrain Class Reference

ComputeCosseratSmallStrain defines Cossserat strain tensor, assuming small strains. More...

#include <ComputeCosseratSmallStrain.h>

Inheritance diagram for ComputeCosseratSmallStrain:

Public Types
typedef DerivativeMaterialPropertyNameInterface::SymbolName	SymbolName

Public Member Functions
	ComputeCosseratSmallStrain (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	computeQpProperties () override
virtual void	initQpStatefulProperties () override
virtual void	displacementIntegrityCheck ()

Protected Attributes
MaterialProperty< RankTwoTensor > &	_curvature
	the Cosserat curvature strain: curvature_ij = nabla_j CosseratRotation_i
const unsigned int	_nrots
	the number of Cosserat rotation variables supplied by the user (must be 3 in current implementation)
const std::vector< const VariableValue * >	_wc
	The Cosserat rotations.
const std::vector< const VariableGradient * >	_grad_wc
	Grad(Cosserat rotation)
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

ComputeCosseratSmallStrain defines Cossserat strain tensor, assuming small strains.

Definition at line 17 of file ComputeCosseratSmallStrain.h.

Constructor & Destructor Documentation

ComputeCosseratSmallStrain()

ComputeCosseratSmallStrain::ComputeCosseratSmallStrain

(

const InputParameters &

parameters

)

Definition at line 28 of file ComputeCosseratSmallStrain.C.

  : ComputeStrainBase(parameters),
    _curvature(declareProperty<RankTwoTensor>("curvature")),
    _nrots(coupledComponents("Cosserat_rotations")),
    _wc(coupledValues("Cosserat_rotations")),
    _grad_wc(coupledGradients("Cosserat_rotations"))
{
  if (_nrots != 3)
    mooseError("ComputeCosseratSmallStrain: This Material is only defined for 3-dimensional "
               "simulations so 3 Cosserat rotation variables are needed");
}

Member Function Documentation

computeQpProperties()

void ComputeCosseratSmallStrain::computeQpProperties ( )

overrideprotectedvirtual

Definition at line 41 of file ComputeCosseratSmallStrain.C.

{
  auto strain = RankTwoTensor::initializeFromRows(
      (*_grad_disp[0])[_qp], (*_grad_disp[1])[_qp], (*_grad_disp[2])[_qp]);
  RealVectorValue wc_vector((*_wc[0])[_qp], (*_wc[1])[_qp], (*_wc[2])[_qp]);
 
  for (unsigned i = 0; i < LIBMESH_DIM; ++i)
    for (unsigned j = 0; j < LIBMESH_DIM; ++j)
      for (unsigned k = 0; k < LIBMESH_DIM; ++k)
        strain(i, j) += PermutationTensor::eps(i, j, k) * wc_vector(k);
 
  _total_strain[_qp] = strain;
 
  _mechanical_strain[_qp] = strain;
  for (auto es : _eigenstrains)
    _mechanical_strain[_qp] -= (*es)[_qp];
 
  _curvature[_qp] = RankTwoTensor::initializeFromRows(
      (*_grad_wc[0])[_qp], (*_grad_wc[1])[_qp], (*_grad_wc[2])[_qp]);
}

displacementIntegrityCheck()

void ComputeStrainBase::displacementIntegrityCheck ( )

protectedvirtualinherited

Reimplemented in Compute2DFiniteStrain, Compute2DIncrementalStrain, and Compute2DSmallStrain.

Definition at line 83 of file ComputeStrainBase.C.

{
  // Checking for consistency between mesh size and length of the provided displacements vector
  if (_ndisp != _mesh.dimension())
    paramError(
        "displacements",
        "The number of variables supplied in 'displacements' must match the mesh dimension.");
}

Referenced by ComputeStrainBase::initialSetup().

initialSetup()

void ComputeStrainBase::initialSetup ( )

overrideinherited

Definition at line 77 of file ComputeStrainBase.C.

{
  displacementIntegrityCheck();
}

Referenced by ComputeAxisymmetric1DSmallStrain::initialSetup(), and ComputeIncrementalStrainBase::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 ComputeCosseratSmallStrain::validParams ( )

static

Definition at line 20 of file ComputeCosseratSmallStrain.C.

{
  InputParameters params = ComputeStrainBase::validParams();
  params.addClassDescription("Compute small Cosserat strains");
  params.addRequiredCoupledVar("Cosserat_rotations", "The 3 Cosserat rotation variables");
  return params;
}

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(), Compute2DSmallStrain::computeProperties(), ComputeFiniteStrain::computeProperties(), ComputeIncrementalStrain::computeProperties(), and ComputeSmallStrain::computeProperties().

_curvature

MaterialProperty<RankTwoTensor>& ComputeCosseratSmallStrain::_curvature

protected

the Cosserat curvature strain: curvature_ij = nabla_j CosseratRotation_i

Definition at line 28 of file ComputeCosseratSmallStrain.h.

Referenced by computeQpProperties().

_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 Compute2DSmallStrain::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(), Compute2DSmallStrain::computeProperties(), ComputeRSphericalSmallStrain::computeProperties(), ComputeSmallStrain::computeProperties(), 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.

Referenced by Compute1DFiniteStrain::computeProperties(), Compute1DSmallStrain::computeProperties(), Compute2DFiniteStrain::computeProperties(), Compute2DSmallStrain::computeProperties(), ComputeFiniteStrain::computeProperties(), ComputeRSphericalFiniteStrain::computeProperties(), ComputeRSphericalSmallStrain::computeProperties(), ComputeSmallStrain::computeProperties(), ComputeCosseratIncrementalSmallStrain::computeQpProperties(), computeQpProperties(), ComputeCrackTipEnrichmentSmallStrain::computeQpProperties(), ComputeStrainBase::ComputeStrainBase(), ComputeIncrementalStrain::computeTotalStrainIncrement(), Compute1DIncrementalStrain::computeTotalStrainIncrement(), Compute2DIncrementalStrain::computeTotalStrainIncrement(), ComputeRSphericalIncrementalStrain::computeTotalStrainIncrement(), Compute2DFiniteStrain::initialSetup(), Compute2DIncrementalStrain::initialSetup(), and Compute2DSmallStrain::initialSetup().

_grad_wc

const std::vector<const VariableGradient *> ComputeCosseratSmallStrain::_grad_wc

protected

Grad(Cosserat rotation)

Definition at line 37 of file ComputeCosseratSmallStrain.h.

Referenced by computeQpProperties().

_mechanical_strain

MaterialProperty<RankTwoTensor>& ComputeStrainBase::_mechanical_strain

protectedinherited

Definition at line 46 of file ComputeStrainBase.h.

Referenced by Compute1DSmallStrain::computeProperties(), Compute2DSmallStrain::computeProperties(), ComputeIncrementalStrain::computeProperties(), ComputeRSphericalSmallStrain::computeProperties(), ComputeSmallStrain::computeProperties(), ComputeCosseratIncrementalSmallStrain::computeQpProperties(), 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(), Compute2DSmallStrain::displacementIntegrityCheck(), and ComputeIncrementalStrainBase::initialSetup().

_nrots

const unsigned int ComputeCosseratSmallStrain::_nrots

protected

the number of Cosserat rotation variables supplied by the user (must be 3 in current implementation)

Definition at line 31 of file ComputeCosseratSmallStrain.h.

Referenced by ComputeCosseratSmallStrain().

_total_strain

MaterialProperty<RankTwoTensor>& ComputeStrainBase::_total_strain

protectedinherited

Definition at line 48 of file ComputeStrainBase.h.

Referenced by Compute1DSmallStrain::computeProperties(), Compute2DSmallStrain::computeProperties(), ComputeIncrementalStrain::computeProperties(), ComputeRSphericalSmallStrain::computeProperties(), ComputeSmallStrain::computeProperties(), ComputeCosseratIncrementalSmallStrain::computeQpProperties(), 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(), Compute2DSmallStrain::computeProperties(), ComputeFiniteStrain::computeProperties(), ComputeIncrementalStrain::computeProperties(), ComputeSmallStrain::computeProperties(), and ComputeStrainBase::ComputeStrainBase().

_wc

const std::vector<const VariableValue *> ComputeCosseratSmallStrain::_wc

protected

The Cosserat rotations.

Definition at line 34 of file ComputeCosseratSmallStrain.h.

Referenced by computeQpProperties().

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

• solid_mechanics/include/materials/ComputeCosseratSmallStrain.h
• solid_mechanics/src/materials/ComputeCosseratSmallStrain.C