ContactDOFSetSize Class Reference

#include <ContactDOFSetSize.h>

Inheritance diagram for ContactDOFSetSize:

Public Member Functions
	ContactDOFSetSize (const InputParameters &parameters)
void	initialize () override
void	execute () override
PostprocessorValue	getValue () override

Private Attributes
const MooseVariableFEBase &	_var
	MOOSE variable we compute the contact set from. More...
const MeshBase &	_mesh
	The libmesh mesh. More...
const SubdomainID	_subdomain_id
	The subdomain over which to query degrees of freedom. More...
const Real	_tolerance
	The tolerance used to decide whether the variable indicates contact. More...
unsigned int	_count
	Represents the number of values in contact. More...

Detailed Description

Definition at line 25 of file ContactDOFSetSize.h.

Constructor & Destructor Documentation

ContactDOFSetSize()

ContactDOFSetSize::ContactDOFSetSize

(

const InputParameters &

parameters

)

Definition at line 37 of file ContactDOFSetSize.C.

  : GeneralPostprocessor(parameters),
    _var(_fe_problem.getVariable(_tid,
                                 getParam<VariableName>("variable"),
                                 Moose::VarKindType::VAR_NONLINEAR,
                                 Moose::VarFieldType::VAR_FIELD_STANDARD)),
    _mesh(_fe_problem.mesh().getMesh()),
    _subdomain_id(_fe_problem.mesh().getSubdomainID(getParam<SubdomainName>("subdomain"))),
    _tolerance(getParam<Real>("tolerance"))
{
}

Member Function Documentation

execute()

void ContactDOFSetSize::execute ( )

override

Definition at line 56 of file ContactDOFSetSize.C.

{
  AllLocalDofIndicesThread aldit(_fe_problem.getNonlinearSystemBase().system(), {_var.name()});
 
  // Get the element iterators corresponding to the subdomain id
  auto elem_begin = _mesh.active_local_subdomain_elements_begin(_subdomain_id);
  auto elem_end = _mesh.active_local_subdomain_elements_end(_subdomain_id);
 
  ConstElemRange range(elem_begin, elem_end);
 
  Threads::parallel_reduce(range, aldit);
 
  auto && solution = _fe_problem.getNonlinearSystemBase().solution();
 
  for (auto dof : aldit._all_dof_indices)
    if (solution(dof) > _tolerance)
      ++_count;
 
  gatherSum(_count);
  _console << std::endl << "The number of nodes in contact is " << _count << std::endl << std::endl;
}

getValue()

PostprocessorValue ContactDOFSetSize::getValue ( )

override

Definition at line 79 of file ContactDOFSetSize.C.

{
  return _count;
}

initialize()

void ContactDOFSetSize::initialize ( )

override

Definition at line 50 of file ContactDOFSetSize.C.

{
  _count = 0;
}

Member Data Documentation

_count

unsigned int ContactDOFSetSize::_count

private

Represents the number of values in contact.

Definition at line 49 of file ContactDOFSetSize.h.

Referenced by execute(), getValue(), and initialize().

_mesh

const MeshBase& ContactDOFSetSize::_mesh

private

The libmesh mesh.

Definition at line 40 of file ContactDOFSetSize.h.

Referenced by execute().

_subdomain_id

const SubdomainID ContactDOFSetSize::_subdomain_id

private

The subdomain over which to query degrees of freedom.

Definition at line 43 of file ContactDOFSetSize.h.

Referenced by execute().

_tolerance

const Real ContactDOFSetSize::_tolerance

private

The tolerance used to decide whether the variable indicates contact.

Definition at line 46 of file ContactDOFSetSize.h.

Referenced by execute().

_var

const MooseVariableFEBase& ContactDOFSetSize::_var

private

MOOSE variable we compute the contact set from.

Definition at line 37 of file ContactDOFSetSize.h.

Referenced by execute().

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

• contact/include/postprocessors/ContactDOFSetSize.h
• contact/src/postprocessors/ContactDOFSetSize.C