MechanicsMaterialBasePD Class Reference

Base material class for peridynamic solid mechanics models. More...

#include <MechanicsMaterialBasePD.h>

Inheritance diagram for MechanicsMaterialBasePD:

Public Member Functions
	MechanicsMaterialBasePD (const InputParameters &parameters)

Protected Member Functions
void	computeBondCurrentLength ()
	Function to compute the current bond length. More...
virtual void	computeBondStretch ()=0
	Function to compute current bond stretch: one dimensional strain. More...
void	setupMeshRelatedData ()
	Function to setup mesh related data to be used in this class. More...

Protected Attributes
MooseVariable *	_bond_status_var
	Bond_status variable. More...
std::vector< MooseVariable * >	_disp_var
	Displacement variables. More...
Real	_current_length
	Length of current bond. More...
const bool	_has_temp
	Temperature variables. More...
MooseVariable *	_temp_var
MaterialProperty< Real > &	_total_stretch
	Material properties to store. More...
MaterialProperty< Real > &	_mechanical_stretch
PeridynamicsMesh &	_pdmesh
	Mesh related information for material points of current bond/element. More...
const unsigned int	_dim
const unsigned int	_nnodes
std::vector< Real >	_horiz_rad
std::vector< Real >	_node_vol
std::vector< Real >	_horiz_vol
RealGradient	_origin_vec
Real	_origin_length

Detailed Description

Base material class for peridynamic solid mechanics models.

Definition at line 22 of file MechanicsMaterialBasePD.h.

Constructor & Destructor Documentation

MechanicsMaterialBasePD()

MechanicsMaterialBasePD::MechanicsMaterialBasePD

(

const InputParameters &

parameters

)

Definition at line 26 of file MechanicsMaterialBasePD.C.

  : PeridynamicsMaterialBase(parameters),
    _has_temp(isCoupled("temperature")),
    _temp_var(_has_temp ? getVar("temperature", 0) : nullptr),
    _bond_status_var(&_subproblem.getStandardVariable(_tid, "bond_status")),
    _total_stretch(declareProperty<Real>("total_stretch")),
    _mechanical_stretch(declareProperty<Real>("mechanical_stretch"))
{
  if (_dim != coupledComponents("displacements"))
    mooseError("Size of displacements vector is different from the mesh dimension!");
 
  for (unsigned int i = 0; i < coupledComponents("displacements"); ++i)
    _disp_var.push_back(getVar("displacements", i));
}

Member Function Documentation

computeBondCurrentLength()

void MechanicsMaterialBasePD::computeBondCurrentLength ( )

protected

Function to compute the current bond length.

Definition at line 42 of file MechanicsMaterialBasePD.C.

{
  RealGradient dxyz;
  dxyz.zero();
 
  for (unsigned int i = 0; i < _dim; ++i)
  {
    dxyz(i) = (_pdmesh.getPDNodeCoord(_current_elem->node_id(1)))(i) +
              _disp_var[i]->getNodalValue(*_current_elem->node_ptr(1));
    dxyz(i) -= (_pdmesh.getPDNodeCoord(_current_elem->node_id(0)))(i) +
               _disp_var[i]->getNodalValue(*_current_elem->node_ptr(0));
  }
 
  _current_length = dxyz.norm();
}

Referenced by ParametricMaterialBasePD::computeProperties().

computeBondStretch()

virtual void MechanicsMaterialBasePD::computeBondStretch ( )

protectedpure virtual

Function to compute current bond stretch: one dimensional strain.

Implemented in ParametricMaterialBasePD.

setupMeshRelatedData()

void PeridynamicsMaterialBase::setupMeshRelatedData ( )

protectedinherited

Function to setup mesh related data to be used in this class.

Definition at line 34 of file PeridynamicsMaterialBase.C.

{
  for (unsigned int i = 0; i < _nnodes; ++i)
  {
    _horiz_rad[i] = _pdmesh.getHorizon(_current_elem->node_id(i));
    _node_vol[i] = _pdmesh.getPDNodeVolume(_current_elem->node_id(i));
    _horiz_vol[i] = _pdmesh.getHorizVolume(_current_elem->node_id(i));
  }
 
  _origin_vec = _pdmesh.getPDNodeCoord(_current_elem->node_id(1)) -
                _pdmesh.getPDNodeCoord(_current_elem->node_id(0));
  _origin_length = _origin_vec.norm();
}

Referenced by ThermalMaterialBaseBPD::computeProperties(), and ParametricMaterialBasePD::computeProperties().

Member Data Documentation

_bond_status_var

MooseVariable* MechanicsMaterialBasePD::_bond_status_var

protected

Bond_status variable.

Definition at line 44 of file MechanicsMaterialBasePD.h.

_current_length

Real MechanicsMaterialBasePD::_current_length

protected

Length of current bond.

Definition at line 55 of file MechanicsMaterialBasePD.h.

Referenced by computeBondCurrentLength(), and ParametricMaterialBasePD::computeBondStretch().

_dim

const unsigned int PeridynamicsMaterialBase::_dim

protectedinherited

Definition at line 36 of file PeridynamicsMaterialBase.h.

Referenced by computeBondCurrentLength(), ParametricMaterialBasePD::computeMaterialConstants(), ThermalConstantHorizonMaterialBPD::computePeridynamicsParams(), ComputeSmallStrainConstantHorizonMaterialOSPD::computePeridynamicsParams(), ComputeSmallStrainVariableHorizonMaterialOSPD::computePeridynamicsParams(), ComputeSmallStrainVariableHorizonMaterialBPD::computePeridynamicsParams(), ThermalVariableHorizonMaterialBPD::computePeridynamicsParams(), ComputeSmallStrainConstantHorizonMaterialBPD::computePeridynamicsParams(), MechanicsMaterialBasePD(), and ParametricMaterialBasePD::ParametricMaterialBasePD().

_disp_var

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

protected

Displacement variables.

Definition at line 52 of file MechanicsMaterialBasePD.h.

Referenced by computeBondCurrentLength(), and MechanicsMaterialBasePD().

_has_temp

const bool MechanicsMaterialBasePD::_has_temp

protected

Temperature variables.

Definition at line 39 of file MechanicsMaterialBasePD.h.

Referenced by ParametricMaterialBasePD::computeProperties().

_horiz_rad

std::vector<Real> PeridynamicsMaterialBase::_horiz_rad

protectedinherited

Definition at line 38 of file PeridynamicsMaterialBase.h.

Referenced by ComputeSmallStrainConstantHorizonMaterialBPD::computePeridynamicsParams(), ThermalConstantHorizonMaterialBPD::computePeridynamicsParams(), ComputeSmallStrainConstantHorizonMaterialOSPD::computePeridynamicsParams(), and PeridynamicsMaterialBase::setupMeshRelatedData().

_horiz_vol

std::vector<Real> PeridynamicsMaterialBase::_horiz_vol

protectedinherited

Definition at line 40 of file PeridynamicsMaterialBase.h.

Referenced by ComputeSmallStrainVariableHorizonMaterialBPD::computePeridynamicsParams(), ThermalVariableHorizonMaterialBPD::computePeridynamicsParams(), ComputeSmallStrainVariableHorizonMaterialOSPD::computePeridynamicsParams(), and PeridynamicsMaterialBase::setupMeshRelatedData().

_mechanical_stretch

MaterialProperty<Real>& MechanicsMaterialBasePD::_mechanical_stretch

protected

Definition at line 48 of file MechanicsMaterialBasePD.h.

Referenced by ComputeSmallStrainMaterialBaseBPD::computeBondForce(), ComputeSmallStrainMaterialBaseOSPD::computeBondForce(), and ParametricMaterialBasePD::computeBondStretch().

_nnodes

const unsigned int PeridynamicsMaterialBase::_nnodes

protectedinherited

Definition at line 37 of file PeridynamicsMaterialBase.h.

Referenced by ThermalMaterialBaseBPD::computeProperties(), ParametricMaterialBasePD::computeProperties(), and PeridynamicsMaterialBase::setupMeshRelatedData().

_node_vol

std::vector<Real> PeridynamicsMaterialBase::_node_vol

protectedinherited

Definition at line 39 of file PeridynamicsMaterialBase.h.

Referenced by ComputeSmallStrainMaterialBaseBPD::computeBondForce(), ComputeSmallStrainMaterialBaseOSPD::computeBondForce(), ThermalMaterialBaseBPD::computeProperties(), and PeridynamicsMaterialBase::setupMeshRelatedData().

_origin_length

Real PeridynamicsMaterialBase::_origin_length

protectedinherited

Definition at line 43 of file PeridynamicsMaterialBase.h.

Referenced by ComputeSmallStrainMaterialBaseBPD::computeBondForce(), ComputeSmallStrainMaterialBaseOSPD::computeBondForce(), ParametricMaterialBasePD::computeBondStretch(), ComputeSmallStrainVariableHorizonMaterialBPD::computePeridynamicsParams(), ComputeSmallStrainConstantHorizonMaterialOSPD::computePeridynamicsParams(), ThermalVariableHorizonMaterialBPD::computePeridynamicsParams(), ThermalMaterialBaseBPD::computeProperties(), and PeridynamicsMaterialBase::setupMeshRelatedData().

_origin_vec

RealGradient PeridynamicsMaterialBase::_origin_vec

protectedinherited

Definition at line 42 of file PeridynamicsMaterialBase.h.

Referenced by PeridynamicsMaterialBase::setupMeshRelatedData().

_pdmesh

PeridynamicsMesh& PeridynamicsMaterialBase::_pdmesh

protectedinherited

Mesh related information for material points of current bond/element.

Definition at line 35 of file PeridynamicsMaterialBase.h.

Referenced by computeBondCurrentLength(), and PeridynamicsMaterialBase::setupMeshRelatedData().

_temp_var

MooseVariable* MechanicsMaterialBasePD::_temp_var

protected

Definition at line 40 of file MechanicsMaterialBasePD.h.

Referenced by ParametricMaterialBasePD::computeProperties().

_total_stretch

MaterialProperty<Real>& MechanicsMaterialBasePD::_total_stretch

protected

Material properties to store.

Definition at line 47 of file MechanicsMaterialBasePD.h.

Referenced by ParametricMaterialBasePD::computeBondStretch().

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

• peridynamics/include/materials/MechanicsMaterialBasePD.h
• peridynamics/src/materials/MechanicsMaterialBasePD.C