NodalFunctionsL2NormPD Class Reference

Postprocessor class to compute L2 norm of a given function for peridynamic discretization. More...

#include <NodalFunctionsL2NormPD.h>

Inheritance diagram for NodalFunctionsL2NormPD:

Public Member Functions
	NodalFunctionsL2NormPD (const InputParameters &parameters)
virtual Real	getValue () override
virtual void	initialize () override
virtual void	execute () override
virtual void	threadJoin (const UserObject &uo) override

Protected Member Functions
virtual Real	computeNodalValue () override
	Function to evaluate the given function at each material point. More...

Protected Attributes
unsigned int	_n_funcs
	Known functions. More...
std::vector< const Function * >	_funcs
Real	_integral_value
	nodal area integral result More...
PeridynamicsMesh &	_pdmesh
	Reference to peridynamic mesh object. More...
const unsigned int	_dim
	Mesh dimension. More...

Detailed Description

Postprocessor class to compute L2 norm of a given function for peridynamic discretization.

Definition at line 23 of file NodalFunctionsL2NormPD.h.

Constructor & Destructor Documentation

NodalFunctionsL2NormPD()

NodalFunctionsL2NormPD::NodalFunctionsL2NormPD

(

const InputParameters &

parameters

)

Definition at line 27 of file NodalFunctionsL2NormPD.C.

  : NodalIntegralPostprocessorBasePD(parameters)
{
  const std::vector<FunctionName> & func_names(getParam<std::vector<FunctionName>>("functions"));
 
  _n_funcs = func_names.size();
 
  for (unsigned int i = 0; i < _n_funcs; ++i)
    _funcs.push_back(&getFunctionByName(func_names[i]));
}

Member Function Documentation

computeNodalValue()

Real NodalFunctionsL2NormPD::computeNodalValue ( )

overrideprotectedvirtual

Function to evaluate the given function at each material point.

Returns

The computed nodal value

Implements NodalIntegralPostprocessorBasePD.

Definition at line 45 of file NodalFunctionsL2NormPD.C.

{
  Real func_val = 0;
 
  for (unsigned int i = 0; i < _n_funcs; ++i)
    func_val += _funcs[i]->value(_t, *_current_node) * _funcs[i]->value(_t, *_current_node);
 
  return func_val;
}

execute()

void NodalIntegralPostprocessorBasePD::execute ( )

overridevirtualinherited

Definition at line 35 of file NodalIntegralPostprocessorBasePD.C.

{
  _integral_value += computeNodalValue() * _pdmesh.getPDNodeVolume(_current_node->id());
}

getValue()

Real NodalFunctionsL2NormPD::getValue ( )

overridevirtual

Reimplemented from NodalIntegralPostprocessorBasePD.

Definition at line 39 of file NodalFunctionsL2NormPD.C.

{
  return std::sqrt(NodalIntegralPostprocessorBasePD::getValue());
}

initialize()

void NodalIntegralPostprocessorBasePD::initialize ( )

overridevirtualinherited

Definition at line 29 of file NodalIntegralPostprocessorBasePD.C.

{
  _integral_value = 0;
}

threadJoin()

void NodalIntegralPostprocessorBasePD::threadJoin ( const UserObject &  uo )

overridevirtualinherited

Definition at line 49 of file NodalIntegralPostprocessorBasePD.C.

{
  const NodalIntegralPostprocessorBasePD & pps =
      static_cast<const NodalIntegralPostprocessorBasePD &>(uo);
  _integral_value += pps._integral_value;
}

Member Data Documentation

_dim

const unsigned int NodalPostprocessorBasePD::_dim

protectedinherited

Mesh dimension.

Definition at line 34 of file NodalPostprocessorBasePD.h.

Referenced by NodalDisplacementDifferenceL2NormPD::NodalDisplacementDifferenceL2NormPD().

_funcs

std::vector<const Function *> NodalFunctionsL2NormPD::_funcs

protected

Definition at line 35 of file NodalFunctionsL2NormPD.h.

Referenced by computeNodalValue(), and NodalFunctionsL2NormPD().

_integral_value

Real NodalIntegralPostprocessorBasePD::_integral_value

protectedinherited

nodal area integral result

Definition at line 42 of file NodalIntegralPostprocessorBasePD.h.

Referenced by NodalIntegralPostprocessorBasePD::execute(), NodalIntegralPostprocessorBasePD::getValue(), NodalIntegralPostprocessorBasePD::initialize(), and NodalIntegralPostprocessorBasePD::threadJoin().

_n_funcs

unsigned int NodalFunctionsL2NormPD::_n_funcs

protected

Known functions.

Definition at line 34 of file NodalFunctionsL2NormPD.h.

Referenced by computeNodalValue(), and NodalFunctionsL2NormPD().

_pdmesh

PeridynamicsMesh& NodalPostprocessorBasePD::_pdmesh

protectedinherited

Reference to peridynamic mesh object.

Definition at line 31 of file NodalPostprocessorBasePD.h.

Referenced by NodalIntegralPostprocessorBasePD::execute().

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

• peridynamics/include/postprocessors/NodalFunctionsL2NormPD.h
• peridynamics/src/postprocessors/NodalFunctionsL2NormPD.C