DiscreteNucleationMarker Class Reference

Mark new nucleation sites for refinement. More...

#include <DiscreteNucleationMarker.h>

Inheritance diagram for DiscreteNucleationMarker:

Public Member Functions
	DiscreteNucleationMarker (const InputParameters &parameters)

Protected Member Functions
virtual MarkerValue	computeElementMarker () override

Protected Attributes
const DiscreteNucleationMap &	_map
	UserObject providing a map of currently active nuclei. More...
int	_periodic
	variable number to use for minPeriodicDistance calls (i.e. use the periodicity of this variable) More...
const DiscreteNucleationInserterBase &	_inserter
	UserObject that manages nucleus insertin and deletion. More...
const Real	_radius
	Nucleus radius. More...
const Real	_int_width
	Nucleus interface width. More...
const DiscreteNucleationInserterBase::NucleusList &	_nucleus_list
	list of nuclei maintained bu the inserter object More...

Detailed Description

Mark new nucleation sites for refinement.

Definition at line 24 of file DiscreteNucleationMarker.h.

Constructor & Destructor Documentation

DiscreteNucleationMarker()

DiscreteNucleationMarker::DiscreteNucleationMarker

(

const InputParameters &

parameters

)

Definition at line 25 of file DiscreteNucleationMarker.C.

  : Marker(parameters),
    _map(getUserObject<DiscreteNucleationMap>("map")),
    _periodic(_map.getPeriodic()),
    _inserter(_map.getInserter()),
    _radius(_map.getRadiusAndWidth().first),
    _int_width(_map.getRadiusAndWidth().second),
    _nucleus_list(_inserter.getNucleusList())
{
}

Member Function Documentation

computeElementMarker()

Marker::MarkerValue DiscreteNucleationMarker::computeElementMarker ( )

overrideprotectedvirtual

Definition at line 37 of file DiscreteNucleationMarker.C.

{
  const RealVectorValue centroid = _current_elem->centroid();
  const Real size = 0.5 * _current_elem->hmax();
 
  // check if the surface of a nucleus might touch the element
  for (unsigned i = 0; i < _nucleus_list.size(); ++i)
  {
    // use a non-periodic or periodic distance
    const Real r = _periodic < 0
                       ? (centroid - _nucleus_list[i].second).norm()
                       : _mesh.minPeriodicDistance(_periodic, centroid, _nucleus_list[i].second);
    if (r < _radius + size && r > _radius - size && size > _int_width)
      return REFINE;
  }
 
  // We return don't mark to allow coarsening when used in a ComboMarker
  return DONT_MARK;
}

Member Data Documentation

_inserter

const DiscreteNucleationInserterBase& DiscreteNucleationMarker::_inserter

protected

UserObject that manages nucleus insertin and deletion.

Definition at line 39 of file DiscreteNucleationMarker.h.

_int_width

const Real DiscreteNucleationMarker::_int_width

protected

Nucleus interface width.

Definition at line 45 of file DiscreteNucleationMarker.h.

Referenced by computeElementMarker().

_map

const DiscreteNucleationMap& DiscreteNucleationMarker::_map

protected

UserObject providing a map of currently active nuclei.

Definition at line 33 of file DiscreteNucleationMarker.h.

_nucleus_list

const DiscreteNucleationInserterBase::NucleusList& DiscreteNucleationMarker::_nucleus_list

protected

list of nuclei maintained bu the inserter object

Definition at line 48 of file DiscreteNucleationMarker.h.

Referenced by computeElementMarker().

_periodic

int DiscreteNucleationMarker::_periodic

protected

variable number to use for minPeriodicDistance calls (i.e. use the periodicity of this variable)

Definition at line 36 of file DiscreteNucleationMarker.h.

Referenced by computeElementMarker().

_radius

const Real DiscreteNucleationMarker::_radius

protected

Nucleus radius.

Definition at line 42 of file DiscreteNucleationMarker.h.

Referenced by computeElementMarker().

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

• phase_field/include/markers/DiscreteNucleationMarker.h
• phase_field/src/markers/DiscreteNucleationMarker.C