Material class for horizon-stabilized peridynamic correspondence model for small strain. More...

#include <ComputeSmallStrainNOSPD.h>

Inheritance diagram for ComputeSmallStrainNOSPD:

Public Types
typedef DerivativeMaterialPropertyNameInterface::SymbolName	SymbolName

Public Member Functions
	ComputeSmallStrainNOSPD (const InputParameters &parameters)

virtual void	initQpStatefulProperties () 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	computeQpStrain () override
	Function to compute strain tensors.

virtual void	computeQpTotalStrain ()
	Function to compute the total strain tensor for small strain case.

virtual void	computeProperties () override

virtual void	computeBondStretch () override

virtual void	computeQpDeformationGradient ()
	Function to compute deformation gradient for peridynamic correspondence model.

virtual void	computeConventionalQpDeformationGradient ()
	Function to compute conventional nonlocal deformation gradient.

virtual void	computeBondHorizonQpDeformationGradient ()
	Function to compute bond-associated horizon based deformation gradient.

Protected Attributes
const MooseEnum	_stabilization
	Option of stabilization scheme for correspondence material model: FORCE, BOND_HORIZON_I or BOND_HORIZON_II.

const bool	_plane_strain
	Plane strain problem or not, this is only used for mechanical stretch calculation.


const MaterialProperty< RankFourTensor > &	_Cijkl
	Material properties to fetch.

std::vector< MaterialPropertyName >	_eigenstrain_names

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


MaterialProperty< RankTwoTensor > &	_shape2
	Material properties to store.

MaterialProperty< RankTwoTensor > &	_deformation_gradient

MaterialProperty< RankTwoTensor > &	_ddgraddu

MaterialProperty< RankTwoTensor > &	_ddgraddv

MaterialProperty< RankTwoTensor > &	_ddgraddw

MaterialProperty< RankTwoTensor > &	_total_strain

MaterialProperty< RankTwoTensor > &	_mechanical_strain

MaterialProperty< Real > &	_multi

MaterialProperty< Real > &	_sf_coeff
	fictitious force coefficient for force stabilized model

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

Material class for horizon-stabilized peridynamic correspondence model for small strain.

Definition at line 18 of file ComputeSmallStrainNOSPD.h.

Constructor & Destructor Documentation

◆ ComputeSmallStrainNOSPD()

ComputeSmallStrainNOSPD::ComputeSmallStrainNOSPD ( const InputParameters & parameters )

Definition at line 25 of file ComputeSmallStrainNOSPD.C.

  : ComputeStrainBaseNOSPD(parameters)
{
}

Member Function Documentation

◆ computeBondHorizonQpDeformationGradient()

void ComputeStrainBaseNOSPD::computeBondHorizonQpDeformationGradient ( )

protectedvirtualinherited

Function to compute bond-associated horizon based deformation gradient.

Definition at line 163 of file ComputeStrainBaseNOSPD.C.

{
  std::vector<dof_id_type> neighbors = _pdmesh.getNeighbors(_current_elem->node_id(_qp));
  std::vector<dof_id_type> bonds = _pdmesh.getBonds(_current_elem->node_id(_qp));
 
  dof_id_type nb_index =
      std::find(neighbors.begin(), neighbors.end(), _current_elem->node_id(1 - _qp)) -
      neighbors.begin();
  std::vector<dof_id_type> dg_neighbors =
      _pdmesh.getBondDeformationGradientNeighbors(_current_elem->node_id(_qp), nb_index);
  Real dg_sub_vol = _pdmesh.getHorizonSubsetVolume(_current_elem->node_id(_qp), nb_index);
  Real dg_sub_vol_sum = _pdmesh.getHorizonSubsetVolumeSum(_current_elem->node_id(_qp));
 
  // calculate the shape tensor and prepare the deformation gradient tensor
  Real vol_nb, weight_nb;
  RealGradient origin_vec_nb, current_vec_nb;
 
  for (unsigned int nb = 0; nb < dg_neighbors.size(); ++nb)
    if (_bond_status_var->getElementalValue(_pdmesh.elemPtr(bonds[dg_neighbors[nb]])) > 0.5)
    {
      vol_nb = _pdmesh.getNodeVolume(neighbors[dg_neighbors[nb]]);
      origin_vec_nb = _pdmesh.getNodeCoord(neighbors[dg_neighbors[nb]]) -
                      _pdmesh.getNodeCoord(_current_elem->node_id(_qp));
 
      for (unsigned int k = 0; k < _dim; ++k)
        current_vec_nb(k) =
            origin_vec_nb(k) +
            _disp_var[k]->getNodalValue(*_pdmesh.nodePtr(neighbors[dg_neighbors[nb]])) -
            _disp_var[k]->getNodalValue(*_current_elem->node_ptr(_qp));
 
      weight_nb = _horizon_radius[_qp] / origin_vec_nb.norm();
      for (unsigned int k = 0; k < _dim; ++k)
      {
        for (unsigned int l = 0; l < _dim; ++l)
        {
          _shape2[_qp](k, l) += weight_nb * origin_vec_nb(k) * origin_vec_nb(l) * vol_nb;
          _deformation_gradient[_qp](k, l) +=
              weight_nb * current_vec_nb(k) * origin_vec_nb(l) * vol_nb;
        }
        // calculate derivatives of deformation_gradient w.r.t displacements of node i
        _ddgraddu[_qp](0, k) += -weight_nb * origin_vec_nb(k) * vol_nb;
        _ddgraddv[_qp](1, k) += -weight_nb * origin_vec_nb(k) * vol_nb;
        if (_dim == 3)
          _ddgraddw[_qp](2, k) += -weight_nb * origin_vec_nb(k) * vol_nb;
      }
    }
  // finalize the deformation gradient and its derivatives
  if (_shape2[_qp].det() == 0.)
    computeConventionalQpDeformationGradient(); // this will affect the corresponding jacobian
                                                // calculation
  else
  {
    _deformation_gradient[_qp] *= _shape2[_qp].inverse();
    _ddgraddu[_qp] *= _shape2[_qp].inverse();
    _ddgraddv[_qp] *= _shape2[_qp].inverse();
    _ddgraddw[_qp] *= _shape2[_qp].inverse();
  }
 
  // force state multiplier
  if (_stabilization == "BOND_HORIZON_I")
    _multi[_qp] = _horizon_radius[_qp] / _origin_vec.norm() * _node_vol[0] * _node_vol[1] *
                  dg_sub_vol / _horizon_vol[_qp];
  else if (_stabilization == "BOND_HORIZON_II")
    _multi[_qp] = _node_vol[_qp] * dg_sub_vol / dg_sub_vol_sum;
}

Referenced by ComputeStrainBaseNOSPD::computeQpDeformationGradient().

◆ computeBondStretch()

void ComputeStrainBaseNOSPD::computeBondStretch ( )

overrideprotectedvirtualinherited

Definition at line 241 of file ComputeStrainBaseNOSPD.C.

{
  _total_stretch[0] = _current_len / _origin_vec.norm() - 1.0;
  _total_stretch[1] = _total_stretch[0];
  _mechanical_stretch[0] = _total_stretch[0];
 
  Real factor = 1.0;
  if (_plane_strain)
    factor = 1.0 + ElasticityTensorTools::getIsotropicPoissonsRatio(_Cijkl[0]);
 
  for (auto es : _eigenstrains)
    _mechanical_stretch[0] -= 0.5 * factor * ((*es)[0](2, 2) + (*es)[1](2, 2));
 
  _mechanical_stretch[1] = _mechanical_stretch[0];
}

Referenced by ComputeStrainBaseNOSPD::computeProperties().

◆ computeConventionalQpDeformationGradient()

void ComputeStrainBaseNOSPD::computeConventionalQpDeformationGradient ( )

protectedvirtualinherited

Function to compute conventional nonlocal deformation gradient.

Definition at line 113 of file ComputeStrainBaseNOSPD.C.

{
  std::vector<dof_id_type> neighbors = _pdmesh.getNeighbors(_current_elem->node_id(_qp));
  std::vector<dof_id_type> bonds = _pdmesh.getBonds(_current_elem->node_id(_qp));
 
  // calculate the shape tensor and prepare the deformation gradient tensor
  Real vol_nb, weight_nb;
  RealGradient origin_vec_nb, current_vec_nb;
 
  for (unsigned int nb = 0; nb < neighbors.size(); ++nb)
    if (_bond_status_var->getElementalValue(_pdmesh.elemPtr(bonds[nb])) > 0.5)
    {
      vol_nb = _pdmesh.getNodeVolume(neighbors[nb]);
      origin_vec_nb =
          _pdmesh.getNodeCoord(neighbors[nb]) - _pdmesh.getNodeCoord(_current_elem->node_id(_qp));
 
      for (unsigned int k = 0; k < _dim; ++k)
        current_vec_nb(k) = origin_vec_nb(k) +
                            _disp_var[k]->getNodalValue(*_pdmesh.nodePtr(neighbors[nb])) -
                            _disp_var[k]->getNodalValue(*_current_elem->node_ptr(_qp));
 
      weight_nb = _horizon_radius[_qp] / origin_vec_nb.norm();
      for (unsigned int k = 0; k < _dim; ++k)
      {
        for (unsigned int l = 0; l < _dim; ++l)
        {
          _shape2[_qp](k, l) += weight_nb * origin_vec_nb(k) * origin_vec_nb(l) * vol_nb;
          _deformation_gradient[_qp](k, l) +=
              weight_nb * current_vec_nb(k) * origin_vec_nb(l) * vol_nb;
        }
        // calculate derivatives of deformation_gradient w.r.t displacements of node nb
        _ddgraddu[_qp](0, k) += -weight_nb * origin_vec_nb(k) * vol_nb;
        _ddgraddv[_qp](1, k) += -weight_nb * origin_vec_nb(k) * vol_nb;
        if (_dim == 3)
          _ddgraddw[_qp](2, k) += -weight_nb * origin_vec_nb(k) * vol_nb;
      }
    }
 
  // finalize the deformation gradient tensor
  if (_shape2[_qp].det() == 0.)
    mooseError("Singular shape tensor is detected in ComputeStrainBaseNOSPD! Use "
               "SingularShapeTensorEliminatorUserObjectPD to avoid singular shape tensor!");
 
  _deformation_gradient[_qp] *= _shape2[_qp].inverse();
  _ddgraddu[_qp] *= _shape2[_qp].inverse();
  _ddgraddv[_qp] *= _shape2[_qp].inverse();
  _ddgraddw[_qp] *= _shape2[_qp].inverse();
}

Referenced by ComputeStrainBaseNOSPD::computeBondHorizonQpDeformationGradient(), and ComputeStrainBaseNOSPD::computeQpDeformationGradient().

◆ computeProperties()

void ComputeStrainBaseNOSPD::computeProperties ( )

overrideprotectedvirtualinherited

Definition at line 230 of file ComputeStrainBaseNOSPD.C.

{
  setupMeshRelatedData();     // function from base class
  computeBondCurrentLength(); // current length of a bond from base class
  computeBondStretch();       // stretch of a bond
 
  for (_qp = 0; _qp < _nnodes; ++_qp)
    computeQpStrain();
}

◆ computeQpDeformationGradient()

void ComputeStrainBaseNOSPD::computeQpDeformationGradient ( )

protectedvirtualinherited

Function to compute deformation gradient for peridynamic correspondence model.

Definition at line 75 of file ComputeStrainBaseNOSPD.C.

{
  _shape2[_qp].zero();
  _deformation_gradient[_qp].zero();
  _ddgraddu[_qp].zero();
  _ddgraddv[_qp].zero();
  _ddgraddw[_qp].zero();
  _multi[_qp] = 0.0;
  _sf_coeff[_qp] = 0.0;
 
  if (_dim == 2)
    _shape2[_qp](2, 2) = _deformation_gradient[_qp](2, 2) = 1.0;
 
  if (_bond_status_var->getElementalValue(_current_elem) > 0.5)
  {
    if (_stabilization == "FORCE")
    {
      computeConventionalQpDeformationGradient();
 
      _sf_coeff[_qp] = ElasticityTensorTools::getIsotropicYoungsModulus(_Cijkl[_qp]) *
                       _pdmesh.getNodeAverageSpacing(_current_elem->node_id(_qp)) *
                       _horizon_radius[_qp] / _origin_vec.norm();
      _multi[_qp] = _horizon_radius[_qp] / _origin_vec.norm() * _node_vol[0] * _node_vol[1];
    }
    else if (_stabilization == "BOND_HORIZON_I" || _stabilization == "BOND_HORIZON_II")
      computeBondHorizonQpDeformationGradient();
    else
      paramError("stabilization",
                 "Unknown stabilization scheme for peridynamic correspondence model!");
  }
  else
  {
    _shape2[_qp].setToIdentity();
    _deformation_gradient[_qp].setToIdentity();
  }
}

Referenced by ComputeFiniteStrainNOSPD::computeQpStrain(), and computeQpStrain().

◆ computeQpStrain()

void ComputeSmallStrainNOSPD::computeQpStrain ( )

overrideprotectedvirtual

Function to compute strain tensors.

Implements ComputeStrainBaseNOSPD.

Definition at line 31 of file ComputeSmallStrainNOSPD.C.

{
  computeQpDeformationGradient();
 
  computeQpTotalStrain();
 
  _mechanical_strain[_qp] = _total_strain[_qp];
 
  // Subtract Eigen strains
  for (auto es : _eigenstrains)
    _mechanical_strain[_qp] -= (*es)[_qp];
 
  // zero out all strain measures for broken bond
  if (_bond_status_var->getElementalValue(_current_elem) < 0.5)
  {
    _mechanical_strain[_qp].zero();
    _total_strain[_qp].zero();
  }
}

◆ computeQpTotalStrain()

void ComputeSmallStrainNOSPD::computeQpTotalStrain ( )

protectedvirtual

Function to compute the total strain tensor for small strain case.

Reimplemented in ComputePlaneSmallStrainNOSPD.

Definition at line 52 of file ComputeSmallStrainNOSPD.C.

{
  // the small strain tensor
  _total_strain[_qp] = 0.5 * (_deformation_gradient[_qp].transpose() + _deformation_gradient[_qp]) -
                       RankTwoTensor(RankTwoTensor::initIdentity);
}

Referenced by computeQpStrain().

◆ initQpStatefulProperties()

void ComputeStrainBaseNOSPD::initQpStatefulProperties ( )

overridevirtualinherited

Definition at line 62 of file ComputeStrainBaseNOSPD.C.

{
  _mechanical_strain[_qp].zero();
  _total_strain[_qp].zero();
  _deformation_gradient[_qp].setToIdentity();
 
  if (_qrule->n_points() < 2) // Gauss_Lobatto: order = 2n-3 (n is number of qp)
    mooseError(
        "NOSPD models require Gauss_Lobatto rule and a minimum of 2 quadrature points, i.e., "
        "order of FIRST");
}

◆ validParams()

InputParameters ComputeSmallStrainNOSPD::validParams ( )

static

Definition at line 15 of file ComputeSmallStrainNOSPD.C.

{
  InputParameters params = ComputeStrainBaseNOSPD::validParams();
  params.addClassDescription(
      "Class for computing nodal quantities for the residual and Jacobian calculation "
      "for the peridynamic correspondence models under small strain assumptions");
 
  return params;
}

Referenced by ComputePlaneSmallStrainNOSPD::validParams().

Member Data Documentation

◆ _Cijkl

const MaterialProperty<RankFourTensor>& ComputeStrainBaseNOSPD::_Cijkl

protectedinherited

Material properties to fetch.

Definition at line 59 of file ComputeStrainBaseNOSPD.h.

Referenced by ComputeStrainBaseNOSPD::computeBondStretch(), and ComputeStrainBaseNOSPD::computeQpDeformationGradient().

◆ _ddgraddu

MaterialProperty<RankTwoTensor>& ComputeStrainBaseNOSPD::_ddgraddu

protectedinherited

Definition at line 68 of file ComputeStrainBaseNOSPD.h.

Referenced by ComputeStrainBaseNOSPD::computeBondHorizonQpDeformationGradient(), ComputeStrainBaseNOSPD::computeConventionalQpDeformationGradient(), and ComputeStrainBaseNOSPD::computeQpDeformationGradient().

◆ _ddgraddv

MaterialProperty<RankTwoTensor>& ComputeStrainBaseNOSPD::_ddgraddv

protectedinherited

Definition at line 69 of file ComputeStrainBaseNOSPD.h.

Referenced by ComputeStrainBaseNOSPD::computeBondHorizonQpDeformationGradient(), ComputeStrainBaseNOSPD::computeConventionalQpDeformationGradient(), and ComputeStrainBaseNOSPD::computeQpDeformationGradient().

◆ _ddgraddw

MaterialProperty<RankTwoTensor>& ComputeStrainBaseNOSPD::_ddgraddw

protectedinherited

Definition at line 70 of file ComputeStrainBaseNOSPD.h.

Referenced by ComputeStrainBaseNOSPD::computeBondHorizonQpDeformationGradient(), ComputeStrainBaseNOSPD::computeConventionalQpDeformationGradient(), and ComputeStrainBaseNOSPD::computeQpDeformationGradient().

◆ _deformation_gradient

MaterialProperty<RankTwoTensor>& ComputeStrainBaseNOSPD::_deformation_gradient

protectedinherited

Definition at line 66 of file ComputeStrainBaseNOSPD.h.

Referenced by ComputeStrainBaseNOSPD::computeBondHorizonQpDeformationGradient(), ComputeStrainBaseNOSPD::computeConventionalQpDeformationGradient(), ComputeStrainBaseNOSPD::computeQpDeformationGradient(), ComputeFiniteStrainNOSPD::computeQpFhat(), ComputePlaneFiniteStrainNOSPD::computeQpFhat(), computeQpTotalStrain(), ComputePlaneSmallStrainNOSPD::computeQpTotalStrain(), and ComputeStrainBaseNOSPD::initQpStatefulProperties().

◆ _eigenstrain_names

std::vector<MaterialPropertyName> ComputeStrainBaseNOSPD::_eigenstrain_names

protectedinherited

Definition at line 60 of file ComputeStrainBaseNOSPD.h.

Referenced by ComputeFiniteStrainNOSPD::ComputeFiniteStrainNOSPD(), and ComputeStrainBaseNOSPD::ComputeStrainBaseNOSPD().

◆ _eigenstrains

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

protectedinherited

Definition at line 61 of file ComputeStrainBaseNOSPD.h.

Referenced by ComputeStrainBaseNOSPD::computeBondStretch(), computeQpStrain(), ComputeStrainBaseNOSPD::ComputeStrainBaseNOSPD(), and ComputeFiniteStrainNOSPD::subtractEigenstrainIncrementFromStrain().

◆ _mechanical_strain

MaterialProperty<RankTwoTensor>& ComputeStrainBaseNOSPD::_mechanical_strain

protectedinherited

Definition at line 73 of file ComputeStrainBaseNOSPD.h.

Referenced by ComputeFiniteStrainNOSPD::computeQpStrain(), computeQpStrain(), and ComputeStrainBaseNOSPD::initQpStatefulProperties().

◆ _multi

MaterialProperty<Real>& ComputeStrainBaseNOSPD::_multi

protectedinherited

Definition at line 75 of file ComputeStrainBaseNOSPD.h.

Referenced by ComputeStrainBaseNOSPD::computeBondHorizonQpDeformationGradient(), and ComputeStrainBaseNOSPD::computeQpDeformationGradient().

◆ _plane_strain

const bool ComputeStrainBaseNOSPD::_plane_strain

protectedinherited

Plane strain problem or not, this is only used for mechanical stretch calculation.

Definition at line 56 of file ComputeStrainBaseNOSPD.h.

Referenced by ComputeStrainBaseNOSPD::computeBondStretch().

◆ _sf_coeff

MaterialProperty<Real>& ComputeStrainBaseNOSPD::_sf_coeff

protectedinherited

fictitious force coefficient for force stabilized model

Definition at line 78 of file ComputeStrainBaseNOSPD.h.

Referenced by ComputeStrainBaseNOSPD::computeQpDeformationGradient().

◆ _shape2

MaterialProperty<RankTwoTensor>& ComputeStrainBaseNOSPD::_shape2

protectedinherited

Material properties to store.

Definition at line 65 of file ComputeStrainBaseNOSPD.h.

Referenced by ComputeStrainBaseNOSPD::computeBondHorizonQpDeformationGradient(), ComputeStrainBaseNOSPD::computeConventionalQpDeformationGradient(), and ComputeStrainBaseNOSPD::computeQpDeformationGradient().

◆ _stabilization

const MooseEnum ComputeStrainBaseNOSPD::_stabilization

protectedinherited

Option of stabilization scheme for correspondence material model: FORCE, BOND_HORIZON_I or BOND_HORIZON_II.

Definition at line 53 of file ComputeStrainBaseNOSPD.h.

Referenced by ComputeStrainBaseNOSPD::computeBondHorizonQpDeformationGradient(), and ComputeStrainBaseNOSPD::computeQpDeformationGradient().

◆ _total_strain

MaterialProperty<RankTwoTensor>& ComputeStrainBaseNOSPD::_total_strain

protectedinherited

Definition at line 72 of file ComputeStrainBaseNOSPD.h.

Referenced by ComputeFiniteStrainNOSPD::computeQpStrain(), computeQpStrain(), computeQpTotalStrain(), ComputePlaneSmallStrainNOSPD::computeQpTotalStrain(), and ComputeStrainBaseNOSPD::initQpStatefulProperties().

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

peridynamics/include/materials/ComputeSmallStrainNOSPD.h
peridynamics/src/materials/ComputeSmallStrainNOSPD.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

◆ ComputeSmallStrainNOSPD()

Member Function Documentation

◆ computeBondHorizonQpDeformationGradient()

◆ computeBondStretch()

◆ computeConventionalQpDeformationGradient()

◆ computeProperties()

◆ computeQpDeformationGradient()

◆ computeQpStrain()

◆ computeQpTotalStrain()

◆ initQpStatefulProperties()

◆ validParams()

Member Data Documentation

◆ _Cijkl

◆ _ddgraddu

◆ _ddgraddv

◆ _ddgraddw

◆ _deformation_gradient

◆ _eigenstrain_names

◆ _eigenstrains

◆ _mechanical_strain

◆ _multi

◆ _plane_strain

◆ _sf_coeff

◆ _shape2

◆ _stabilization

◆ _total_strain