Base kernel class for bond-associated correspondence material models. More...

#include <MechanicsBaseNOSPD.h>

Inheritance diagram for MechanicsBaseNOSPD:

Public Member Functions
	MechanicsBaseNOSPD (const InputParameters &parameters)

virtual void	computeOffDiagJacobian (MooseVariableFEBase &jvar) override

virtual void	computeLocalOffDiagJacobian (unsigned int)
	Function to compute local contribution to the off-diagonal Jacobian at the current nodes. More...

virtual void	computePDNonlocalOffDiagJacobian (unsigned int, unsigned int)
	Function to compute nonlocal contribution to the off-diagonal Jacobian at the current nodes. More...

virtual void	initialSetup () override

virtual void	prepare () override

Protected Member Functions
virtual RankTwoTensor	computeDSDU (unsigned int component, unsigned int nd)
	Function to compute derivative of stress with respect to displacements. More...

Protected Attributes
std::vector< MooseVariable * >	_disp_var
	displacement variables More...

unsigned int	_ndisp
	number of displacement components More...

const std::vector< RealGradient > *	_orientation
	Vector of bond in current configuration. More...

std::vector< dof_id_type >	_ivardofs_ij
	Current variable dof numbers for nodes i and j. More...

RealGradient	_cur_ori_ij
	Vector of bond in current configuration. More...

Real	_cur_len_ij
	Current bond length. More...


const MaterialProperty< Real > &	_multi
	Material point based material properties. More...

const MaterialProperty< RankTwoTensor > &	_stress

const MaterialProperty< RankTwoTensor > &	_shape2

const MaterialProperty< RankTwoTensor > &	_dgrad

const MaterialProperty< RankTwoTensor > &	_ddgraddu

const MaterialProperty< RankTwoTensor > &	_ddgraddv

const MaterialProperty< RankTwoTensor > &	_ddgraddw

const MaterialProperty< RankFourTensor > &	_Jacobian_mult

const std::vector< MaterialPropertyName >	_eigenstrain_names

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


const bool	_temp_coupled
	Temperature variable. More...

MooseVariable *	_temp_var


const bool	_out_of_plane_strain_coupled
	Parameters for out-of-plane strain in weak plane stress formulation. More...

MooseVariable *	_out_of_plane_strain_var

Detailed Description

Base kernel class for bond-associated correspondence material models.

Definition at line 22 of file MechanicsBaseNOSPD.h.

Constructor & Destructor Documentation

◆ MechanicsBaseNOSPD()

MechanicsBaseNOSPD::MechanicsBaseNOSPD ( const InputParameters & parameters )

Definition at line 29 of file MechanicsBaseNOSPD.C.

   : MechanicsBasePD(parameters),
     _multi(getMaterialProperty<Real>("multi")),
     _stress(getMaterialProperty<RankTwoTensor>("stress")),
     _shape2(getMaterialProperty<RankTwoTensor>("rank_two_shape_tensor")),
     _dgrad(getMaterialProperty<RankTwoTensor>("deformation_gradient")),
     _ddgraddu(getMaterialProperty<RankTwoTensor>("ddeformation_gradient_du")),
     _ddgraddv(getMaterialProperty<RankTwoTensor>("ddeformation_gradient_dv")),
     _ddgraddw(getMaterialProperty<RankTwoTensor>("ddeformation_gradient_dw")),
     _Jacobian_mult(getMaterialProperty<RankFourTensor>("Jacobian_mult")),
     _eigenstrain_names(getParam<std::vector<MaterialPropertyName>>("eigenstrain_names")),
     _deigenstrain_dT(_eigenstrain_names.size())
 {
   if (_temp_coupled)
     for (unsigned int i = 0; i < _deigenstrain_dT.size(); ++i)
       _deigenstrain_dT[i] =
           &getMaterialPropertyDerivative<RankTwoTensor>(_eigenstrain_names[i], _temp_var->name());
 }

Member Function Documentation

◆ computeDSDU()

RankTwoTensor MechanicsBaseNOSPD::computeDSDU	(	unsigned int	component,
		unsigned int	nd
	)

protectedvirtual

Function to compute derivative of stress with respect to displacements.

Parameters

component	The index of displacement component
nd	The local index of element node (either 1 or 2 for Edge2 element)

Returns: The calculated derivative

Reimplemented in FiniteStrainMechanicsNOSPD.

Definition at line 49 of file MechanicsBaseNOSPD.C.

 {
   // compute the derivative of stress w.r.t the solution components for small strain
   RankTwoTensor dSdU;
   if (component == 0)
     dSdU = _Jacobian_mult[nd] * 0.5 * (_ddgraddu[nd].transpose() + _ddgraddu[nd]);
   else if (component == 1)
     dSdU = _Jacobian_mult[nd] * 0.5 * (_ddgraddv[nd].transpose() + _ddgraddv[nd]);
   else if (component == 2)
     dSdU = _Jacobian_mult[nd] * 0.5 * (_ddgraddw[nd].transpose() + _ddgraddw[nd]);
  
   return dSdU;
 }

Referenced by GeneralizedPlaneStrainOffDiagNOSPD::computeDispFullOffDiagJacobianScalar(), GeneralizedPlaneStrainOffDiagNOSPD::computeDispPartialOffDiagJacobianScalar(), SmallStrainMechanicsNOSPD::computeLocalJacobian(), ForceStabilizedSmallStrainMechanicsNOSPD::computeLocalJacobian(), WeakPlaneStressNOSPD::computeLocalOffDiagJacobian(), SmallStrainMechanicsNOSPD::computeLocalOffDiagJacobian(), and ForceStabilizedSmallStrainMechanicsNOSPD::computeLocalOffDiagJacobian().

◆ computeLocalOffDiagJacobian()

virtual void MechanicsBasePD::computeLocalOffDiagJacobian ( unsigned int )

inlinevirtualinherited

Function to compute local contribution to the off-diagonal Jacobian at the current nodes.

Parameters

coupled_component The coupled variable number

Reimplemented in MechanicsBPD, MechanicsOSPD, FiniteStrainMechanicsNOSPD, ForceStabilizedSmallStrainMechanicsNOSPD, SmallStrainMechanicsNOSPD, and WeakPlaneStressNOSPD.

Definition at line 35 of file MechanicsBasePD.h.

35 {};

Referenced by MechanicsBasePD::computeOffDiagJacobian().

◆ computeOffDiagJacobian()

void MechanicsBasePD::computeOffDiagJacobian ( MooseVariableFEBase & jvar )

overridevirtualinherited

Definition at line 71 of file MechanicsBasePD.C.

 {
   prepare();
  
   if (jvar.number() == _var.number())
     computeJacobian();
   else
   {
     unsigned int coupled_component = 0;
     bool active = false;
  
     for (unsigned int i = 0; i < _dim; ++i)
       if (jvar.number() == _disp_var[i]->number())
       {
         coupled_component = i;
         active = true;
       }
  
     if (_temp_coupled && jvar.number() == _temp_var->number())
     {
       coupled_component = 3;
       active = true;
     }
  
     if (_out_of_plane_strain_coupled && jvar.number() == _out_of_plane_strain_var->number())
     {
       coupled_component = 4;
       active = true;
     }
  
     if (active)
     {
       DenseMatrix<Number> & ke = _assembly.jacobianBlock(_var.number(), jvar.number());
       _local_ke.resize(ke.m(), ke.n());
       _local_ke.zero();
  
       computeLocalOffDiagJacobian(coupled_component);
  
       ke += _local_ke;
  
       if (_use_full_jacobian)
         computePDNonlocalOffDiagJacobian(jvar.number(), coupled_component);
     }
   }
 }

◆ computePDNonlocalOffDiagJacobian()

virtual void MechanicsBasePD::computePDNonlocalOffDiagJacobian	(	unsigned int	,
		unsigned int
	)

inlinevirtualinherited

Function to compute nonlocal contribution to the off-diagonal Jacobian at the current nodes.

Parameters

jvar_num	The number of the first coupled variable
coupled_component	The component number of the second coupled variable

Reimplemented in MechanicsOSPD, FiniteStrainMechanicsNOSPD, ForceStabilizedSmallStrainMechanicsNOSPD, SmallStrainMechanicsNOSPD, and WeakPlaneStressNOSPD.

Definition at line 42 of file MechanicsBasePD.h.

43 {};

Referenced by MechanicsBasePD::computeOffDiagJacobian().

◆ initialSetup()

void MechanicsBasePD::initialSetup ( )

overridevirtualinherited

Definition at line 47 of file MechanicsBasePD.C.

 {
   _orientation = &_assembly.getFE(FEType(), 1)->get_dxyzdxi();
 }

◆ prepare()

void MechanicsBasePD::prepare ( )

overridevirtualinherited

Definition at line 53 of file MechanicsBasePD.C.

 {
   PeridynamicsKernelBase::prepare();
  
   _ivardofs_ij.resize(_nnodes);
  
   for (unsigned int i = 0; i < _nnodes; ++i)
     _ivardofs_ij[i] = _current_elem->node_ptr(i)->dof_number(_sys.number(), _var.number(), 0);
  
   for (unsigned int i = 0; i < _dim; ++i)
     _cur_ori_ij(i) = _origin_vec_ij(i) + _disp_var[i]->getNodalValue(*_current_elem->node_ptr(1)) -
                      _disp_var[i]->getNodalValue(*_current_elem->node_ptr(0));
  
   _cur_len_ij = _cur_ori_ij.norm();
   _cur_ori_ij /= _cur_len_ij;
 }

Referenced by MechanicsBasePD::computeOffDiagJacobian(), GeneralizedPlaneStrainOffDiagNOSPD::computeOffDiagJacobianScalar(), and GeneralizedPlaneStrainOffDiagOSPD::computeOffDiagJacobianScalar().

Member Data Documentation

◆ _cur_len_ij

Real MechanicsBasePD::_cur_len_ij

protectedinherited

Current bond length.

Definition at line 75 of file MechanicsBasePD.h.

Referenced by MechanicsBPD::computeLocalJacobian(), MechanicsOSPD::computeLocalJacobian(), MechanicsBPD::computeLocalOffDiagJacobian(), MechanicsOSPD::computeLocalOffDiagJacobian(), and MechanicsBasePD::prepare().

◆ _cur_ori_ij

RealGradient MechanicsBasePD::_cur_ori_ij

protectedinherited

Vector of bond in current configuration.

Definition at line 72 of file MechanicsBasePD.h.

Referenced by GeneralizedPlaneStrainOffDiagOSPD::computeDispFullOffDiagJacobianScalar(), GeneralizedPlaneStrainOffDiagOSPD::computeDispPartialOffDiagJacobianScalar(), MechanicsBPD::computeLocalJacobian(), MechanicsOSPD::computeLocalJacobian(), MechanicsBPD::computeLocalOffDiagJacobian(), MechanicsOSPD::computeLocalOffDiagJacobian(), MechanicsBPD::computeLocalResidual(), MechanicsOSPD::computeLocalResidual(), MechanicsOSPD::computeNonlocalJacobian(), MechanicsOSPD::computePDNonlocalOffDiagJacobian(), and MechanicsBasePD::prepare().

◆ _ddgraddu

const MaterialProperty<RankTwoTensor>& MechanicsBaseNOSPD::_ddgraddu

protected

Definition at line 41 of file MechanicsBaseNOSPD.h.

Referenced by FiniteStrainMechanicsNOSPD::computeDinvFTDU(), FiniteStrainMechanicsNOSPD::computeDJDU(), computeDSDU(), and FiniteStrainMechanicsNOSPD::computeDSDU().

◆ _ddgraddv

const MaterialProperty<RankTwoTensor>& MechanicsBaseNOSPD::_ddgraddv

protected

Definition at line 42 of file MechanicsBaseNOSPD.h.

Referenced by FiniteStrainMechanicsNOSPD::computeDinvFTDU(), FiniteStrainMechanicsNOSPD::computeDJDU(), computeDSDU(), and FiniteStrainMechanicsNOSPD::computeDSDU().

◆ _ddgraddw

const MaterialProperty<RankTwoTensor>& MechanicsBaseNOSPD::_ddgraddw

protected

Definition at line 43 of file MechanicsBaseNOSPD.h.

Referenced by FiniteStrainMechanicsNOSPD::computeDinvFTDU(), FiniteStrainMechanicsNOSPD::computeDJDU(), computeDSDU(), and FiniteStrainMechanicsNOSPD::computeDSDU().

◆ _deigenstrain_dT

std::vector<const MaterialProperty<RankTwoTensor> *> MechanicsBaseNOSPD::_deigenstrain_dT

protected

Definition at line 46 of file MechanicsBaseNOSPD.h.

Referenced by WeakPlaneStressNOSPD::computeLocalOffDiagJacobian(), ForceStabilizedSmallStrainMechanicsNOSPD::computeLocalOffDiagJacobian(), FiniteStrainMechanicsNOSPD::computeLocalOffDiagJacobian(), SmallStrainMechanicsNOSPD::computeLocalOffDiagJacobian(), GeneralizedPlaneStrainOffDiagNOSPD::computeTempOffDiagJacobianScalar(), and MechanicsBaseNOSPD().

◆ _dgrad

const MaterialProperty<RankTwoTensor>& MechanicsBaseNOSPD::_dgrad

protected

Definition at line 40 of file MechanicsBaseNOSPD.h.

Referenced by FiniteStrainMechanicsNOSPD::computeDinvFTDU(), FiniteStrainMechanicsNOSPD::computeDJDU(), FiniteStrainMechanicsNOSPD::computeDSDFhat(), FiniteStrainMechanicsNOSPD::computeLocalJacobian(), FiniteStrainMechanicsNOSPD::computeLocalOffDiagJacobian(), FiniteStrainMechanicsNOSPD::computeLocalResidual(), FiniteStrainMechanicsNOSPD::computeNonlocalJacobian(), WeakPlaneStressNOSPD::computePDNonlocalOffDiagJacobian(), and FiniteStrainMechanicsNOSPD::computePDNonlocalOffDiagJacobian().

◆ _disp_var

std::vector<MooseVariable *> MechanicsBasePD::_disp_var

protectedinherited

displacement variables

Definition at line 50 of file MechanicsBasePD.h.

Referenced by GeneralizedPlaneStrainOffDiagOSPD::computeDispFullOffDiagJacobianScalar(), ForceStabilizedSmallStrainMechanicsNOSPD::computeLocalResidual(), MechanicsOSPD::computeNonlocalJacobian(), MechanicsOSPD::computeNonlocalResidual(), MechanicsBasePD::computeOffDiagJacobian(), GeneralizedPlaneStrainOffDiagOSPD::computeOffDiagJacobianScalar(), GeneralizedPlaneStrainOffDiagNOSPD::computeOffDiagJacobianScalar(), MechanicsOSPD::computePDNonlocalOffDiagJacobian(), GeneralizedPlaneStrainOffDiagNOSPD::GeneralizedPlaneStrainOffDiagNOSPD(), GeneralizedPlaneStrainOffDiagOSPD::GeneralizedPlaneStrainOffDiagOSPD(), MechanicsBasePD::MechanicsBasePD(), and MechanicsBasePD::prepare().

◆ _eigenstrain_names

const std::vector<MaterialPropertyName> MechanicsBaseNOSPD::_eigenstrain_names

protected

Definition at line 45 of file MechanicsBaseNOSPD.h.

Referenced by MechanicsBaseNOSPD().

◆ _ivardofs_ij

std::vector<dof_id_type> MechanicsBasePD::_ivardofs_ij

protectedinherited

Current variable dof numbers for nodes i and j.

Definition at line 69 of file MechanicsBasePD.h.

Referenced by GeneralizedPlaneStrainOffDiagOSPD::computeDispFullOffDiagJacobianScalar(), FiniteStrainMechanicsNOSPD::computeNonlocalJacobian(), SmallStrainMechanicsNOSPD::computeNonlocalJacobian(), ForceStabilizedSmallStrainMechanicsNOSPD::computeNonlocalJacobian(), MechanicsOSPD::computeNonlocalJacobian(), MechanicsOSPD::computeNonlocalResidual(), WeakPlaneStressNOSPD::computePDNonlocalOffDiagJacobian(), FiniteStrainMechanicsNOSPD::computePDNonlocalOffDiagJacobian(), ForceStabilizedSmallStrainMechanicsNOSPD::computePDNonlocalOffDiagJacobian(), SmallStrainMechanicsNOSPD::computePDNonlocalOffDiagJacobian(), MechanicsOSPD::computePDNonlocalOffDiagJacobian(), and MechanicsBasePD::prepare().

◆ _Jacobian_mult

const MaterialProperty<RankFourTensor>& MechanicsBaseNOSPD::_Jacobian_mult

protected

Definition at line 44 of file MechanicsBaseNOSPD.h.

◆ _multi

const MaterialProperty<Real>& MechanicsBaseNOSPD::_multi

protected

Material point based material properties.

Definition at line 37 of file MechanicsBaseNOSPD.h.

◆ _ndisp

unsigned int MechanicsBasePD::_ndisp

protectedinherited

number of displacement components

Definition at line 58 of file MechanicsBasePD.h.

Referenced by MechanicsBasePD::MechanicsBasePD().

◆ _orientation

const std::vector<RealGradient>* MechanicsBasePD::_orientation

protectedinherited

Vector of bond in current configuration.

Definition at line 66 of file MechanicsBasePD.h.

Referenced by MechanicsBasePD::initialSetup().

◆ _out_of_plane_strain_coupled

const bool MechanicsBasePD::_out_of_plane_strain_coupled

protectedinherited

Parameters for out-of-plane strain in weak plane stress formulation.

Definition at line 61 of file MechanicsBasePD.h.

Referenced by MechanicsBasePD::computeOffDiagJacobian().

◆ _out_of_plane_strain_var

MooseVariable* MechanicsBasePD::_out_of_plane_strain_var

protectedinherited

Definition at line 62 of file MechanicsBasePD.h.

Referenced by MechanicsBasePD::computeOffDiagJacobian().

◆ _shape2

const MaterialProperty<RankTwoTensor>& MechanicsBaseNOSPD::_shape2

protected

Definition at line 39 of file MechanicsBaseNOSPD.h.

◆ _stress

const MaterialProperty<RankTwoTensor>& MechanicsBaseNOSPD::_stress

protected

Definition at line 38 of file MechanicsBaseNOSPD.h.

Referenced by FiniteStrainMechanicsNOSPD::computeLocalJacobian(), FiniteStrainMechanicsNOSPD::computeLocalOffDiagJacobian(), WeakPlaneStressNOSPD::computeLocalResidual(), FiniteStrainMechanicsNOSPD::computeLocalResidual(), SmallStrainMechanicsNOSPD::computeLocalResidual(), ForceStabilizedSmallStrainMechanicsNOSPD::computeLocalResidual(), FiniteStrainMechanicsNOSPD::computeNonlocalJacobian(), and FiniteStrainMechanicsNOSPD::computePDNonlocalOffDiagJacobian().

◆ _temp_coupled

const bool MechanicsBasePD::_temp_coupled

protectedinherited

Temperature variable.

Definition at line 53 of file MechanicsBasePD.h.

Referenced by MechanicsBasePD::computeOffDiagJacobian(), GeneralizedPlaneStrainOffDiagOSPD::computeOffDiagJacobianScalar(), GeneralizedPlaneStrainOffDiagNOSPD::computeOffDiagJacobianScalar(), and MechanicsBaseNOSPD().

◆ _temp_var

MooseVariable* MechanicsBasePD::_temp_var

protectedinherited

Definition at line 54 of file MechanicsBasePD.h.

Referenced by MechanicsBasePD::computeOffDiagJacobian(), GeneralizedPlaneStrainOffDiagOSPD::computeOffDiagJacobianScalar(), GeneralizedPlaneStrainOffDiagNOSPD::computeOffDiagJacobianScalar(), and MechanicsBaseNOSPD().

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

peridynamics/include/kernels/MechanicsBaseNOSPD.h
peridynamics/src/kernels/MechanicsBaseNOSPD.C

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ MechanicsBaseNOSPD()

Member Function Documentation

◆ computeDSDU()

◆ computeLocalOffDiagJacobian()

◆ computeOffDiagJacobian()

◆ computePDNonlocalOffDiagJacobian()

◆ initialSetup()

◆ prepare()

Member Data Documentation

◆ _cur_len_ij

◆ _cur_ori_ij

◆ _ddgraddu

◆ _ddgraddv

◆ _ddgraddw

◆ _deigenstrain_dT

◆ _dgrad

◆ _disp_var

◆ _eigenstrain_names

◆ _ivardofs_ij

◆ _Jacobian_mult

◆ _multi

◆ _ndisp

◆ _orientation

◆ _out_of_plane_strain_coupled

◆ _out_of_plane_strain_var

◆ _shape2

◆ _stress

◆ _temp_coupled

◆ _temp_var