Userobject class to compute the equivalent scalar values for rank two tensor at individual material point. More...

#include <NodalRankTwoScalarPD.h>

Inheritance diagram for NodalRankTwoScalarPD:

Public Member Functions
	NodalRankTwoScalarPD (const InputParameters &parameters)

virtual void	gatherWeightedValue (unsigned int id, dof_id_type dof, Real dg_vol_frac) override
	Function to gather bond-associated quantities to each material point. More...

virtual void	computeValue (unsigned int id, dof_id_type dof) override
	Function to assemble elemental quantities to nodal AuxVariable at a material point. More...

virtual void	initialize () override

virtual void	execute () override

virtual void	threadJoin (const UserObject &) override

virtual void	finalize () override

Protected Attributes
MooseEnum	_scalar_type
	Determines the information to be extracted from the tensor by using the RankTwoScalarTools namespace, e.g., vonMisesStress, EquivalentPlasticStrain, L2norm, MaxPrincipal eigenvalue, etc. More...

const Point	_point1
	Start point for axis used to calculate some cylinderical material tensor quantities. More...

const Point	_point2
	End point for axis used to calculate some cylinderical material tensor quantities. More...

Point	_input_direction
	Direction vector used to calculate some material tensor quantities. More...

const MaterialProperty< RankTwoTensor > &	_tensor
	Material properties tensor. More...

MooseVariable *	_var
	Pointer to the aux variable this userobject operates on. More...

MooseVariable *	_bond_status_var
	Bond status aux variable. More...

AuxiliarySystem &	_aux
	Reference to auxiliary system. More...

NumericVector< Number > &	_aux_sln
	Solution vector for aux variables. More...

PeridynamicsMesh &	_pdmesh
	Reference to Peridynamic mesh. More...

Detailed Description

Userobject class to compute the equivalent scalar values for rank two tensor at individual material point.

Definition at line 23 of file NodalRankTwoScalarPD.h.

Constructor & Destructor Documentation

◆ NodalRankTwoScalarPD()

NodalRankTwoScalarPD::NodalRankTwoScalarPD ( const InputParameters & parameters )

Definition at line 40 of file NodalRankTwoScalarPD.C.

   : NodalRankTwoUserObjectBasePD(parameters),
     _scalar_type(getParam<MooseEnum>("scalar_type")),
     _point1(parameters.get<Point>("point1")),
     _point2(parameters.get<Point>("point2")),
     _input_direction(parameters.get<Point>("direction") / parameters.get<Point>("direction").norm())
 {
 }

Member Function Documentation

◆ computeValue()

void NodalRankTwoUserObjectBasePD::computeValue	(	unsigned int	id,
		dof_id_type	dof
	)

overridevirtualinherited

Function to assemble elemental quantities to nodal AuxVariable at a material point.

Parameters

id	The local index of element node (either 1 or 2 for Edge2 element)
dof	The global DOF of element node

Returns: The computed value for the node

Implements NodalAuxVariableUserObjectBasePD.

Definition at line 39 of file NodalRankTwoUserObjectBasePD.C.

 {
   dof_id_type id_j_in_i =
       _pdmesh.getNeighborIndex(_current_elem->node_id(id), _current_elem->node_id(1 - id));
   Real dg_vol_frac = _pdmesh.getDefGradVolFraction(_current_elem->node_id(id), id_j_in_i);
  
   // gather volume weighted contribution only if the bond is active
   if (_bond_status_var->getElementalValue(_current_elem) > 0.5)
     gatherWeightedValue(id, dof, dg_vol_frac);
 }

◆ execute()

void NodalAuxVariableUserObjectBasePD::execute ( )

overridevirtualinherited

Definition at line 43 of file NodalAuxVariableUserObjectBasePD.C.

 {
   for (unsigned int i = 0; i < 2; ++i)
   {
     dof_id_type dof = _current_elem->node_ptr(i)->dof_number(_aux.number(), _var->number(), 0);
  
     computeValue(i, dof);
   }
 }

◆ finalize()

void NodalAuxVariableUserObjectBasePD::finalize ( )

overridevirtualinherited

Definition at line 54 of file NodalAuxVariableUserObjectBasePD.C.

 {
   _aux_sln.close();
 }

◆ gatherWeightedValue()

void NodalRankTwoScalarPD::gatherWeightedValue	(	unsigned int	id,
		dof_id_type	dof,
		Real	dg_vol_frac
	)

overridevirtual

Function to gather bond-associated quantities to each material point.

Parameters

id	The local index of element node (either 1 or 2 for Edge2 element)
dof	The global DOF of element node
dg_vol_frac	volume fraction of deformation gradient approximation to its summation at a node

Returns: What the function returns (if it returns anything)

Implements NodalRankTwoUserObjectBasePD.

Definition at line 50 of file NodalRankTwoScalarPD.C.

 {
   Point curr_point = *_current_elem->node_ptr(id);
   Real scalar_value = RankTwoScalarTools::getQuantity(
       _tensor[id], _scalar_type, _point1, _point2, curr_point, _input_direction);
  
   _aux_sln.add(dof, scalar_value * dg_vol_frac);
 }

◆ initialize()

void NodalAuxVariableUserObjectBasePD::initialize ( )

overridevirtualinherited

Definition at line 35 of file NodalAuxVariableUserObjectBasePD.C.

 {
   std::vector<std::string> zero_vars;
   zero_vars.push_back(_var->name());
   _aux.zeroVariables(zero_vars);
 }

◆ threadJoin()

virtual void NodalAuxVariableUserObjectBasePD::threadJoin ( const UserObject & )

inlineoverridevirtualinherited

Definition at line 30 of file NodalAuxVariableUserObjectBasePD.h.

30 {};

Member Data Documentation

◆ _aux

AuxiliarySystem& ElementUserObjectBasePD::_aux

protectedinherited

Reference to auxiliary system.

Definition at line 33 of file ElementUserObjectBasePD.h.

Referenced by NodalAuxVariableUserObjectBasePD::execute(), and NodalAuxVariableUserObjectBasePD::initialize().

◆ _aux_sln

NumericVector<Number>& ElementUserObjectBasePD::_aux_sln

protectedinherited

Solution vector for aux variables.

Definition at line 36 of file ElementUserObjectBasePD.h.

Referenced by NodalDamageIndexPD::computeValue(), NodalNumIntactBondsPD::computeValue(), NodalAuxVariableUserObjectBasePD::finalize(), NodalRankTwoComponentPD::gatherWeightedValue(), and gatherWeightedValue().

◆ _bond_status_var

MooseVariable* ElementUserObjectBasePD::_bond_status_var

protectedinherited

Bond status aux variable.

Definition at line 30 of file ElementUserObjectBasePD.h.

Referenced by NodalRankTwoUserObjectBasePD::computeValue(), NodalDamageIndexPD::computeValue(), and NodalNumIntactBondsPD::computeValue().

◆ _input_direction

Point NodalRankTwoScalarPD::_input_direction

protected

Direction vector used to calculate some material tensor quantities.

Definition at line 45 of file NodalRankTwoScalarPD.h.

Referenced by gatherWeightedValue().

◆ _pdmesh

PeridynamicsMesh& ElementUserObjectBasePD::_pdmesh

protectedinherited

Reference to Peridynamic mesh.

Definition at line 39 of file ElementUserObjectBasePD.h.

Referenced by NodalRankTwoUserObjectBasePD::computeValue(), NodalDamageIndexPD::computeValue(), GeneralizedPlaneStrainUserObjectNOSPD::execute(), and GeneralizedPlaneStrainUserObjectOSPD::execute().

◆ _point1

const Point NodalRankTwoScalarPD::_point1

protected

Start point for axis used to calculate some cylinderical material tensor quantities.

Definition at line 39 of file NodalRankTwoScalarPD.h.

Referenced by gatherWeightedValue().

◆ _point2

const Point NodalRankTwoScalarPD::_point2

protected

End point for axis used to calculate some cylinderical material tensor quantities.

Definition at line 42 of file NodalRankTwoScalarPD.h.

Referenced by gatherWeightedValue().

◆ _scalar_type

MooseEnum NodalRankTwoScalarPD::_scalar_type

protected

Determines the information to be extracted from the tensor by using the RankTwoScalarTools namespace, e.g., vonMisesStress, EquivalentPlasticStrain, L2norm, MaxPrincipal eigenvalue, etc.

Definition at line 36 of file NodalRankTwoScalarPD.h.

Referenced by gatherWeightedValue().