LevelSetOlssonVortex Class Reference

Defines a vortex velocity field in the x-y plane. More...

#include <LevelSetOlssonVortex.h>

Inheritance diagram for LevelSetOlssonVortex:

Public Member Functions
	LevelSetOlssonVortex (const InputParameters &parameters)
Real	value (Real t, const Point &p) override
RealVectorValue	vectorValue (Real t, const Point &p) override

Protected Attributes
const Real &	_reverse_time
	Total time for the velocity field to complete reverse. More...
const MooseEnum &	_reverse_type
	Type of reverse (instantaneous or smooth) More...
const MooseEnum &	_component
	The vector component to return. More...
RealVectorValue	_output
	The velocity field computed. More...
Real	_reverse_coefficient
	The time reversal coefficient. More...
const Real	_pi

Detailed Description

Defines a vortex velocity field in the x-y plane.

Definition at line 24 of file LevelSetOlssonVortex.h.

Constructor & Destructor Documentation

LevelSetOlssonVortex()

LevelSetOlssonVortex::LevelSetOlssonVortex

(

const InputParameters &

parameters

)

Definition at line 32 of file LevelSetOlssonVortex.C.

  : Function(parameters),
    _reverse_time(getParam<Real>("reverse_time")),
    _reverse_type(getParam<MooseEnum>("reverse_type")),
    _component(getParam<MooseEnum>("component")),
    _pi(libMesh::pi)
{
}

Member Function Documentation

value()

Real LevelSetOlssonVortex::value ( Real  t, const Point &  p  )

override

Definition at line 42 of file LevelSetOlssonVortex.C.

{
  return vectorValue(t, p)(_component);
}

vectorValue()

RealVectorValue LevelSetOlssonVortex::vectorValue ( Real  t, const Point &  p  )

override

Definition at line 48 of file LevelSetOlssonVortex.C.

Referenced by value().

{
  // Compute the velocity field
  _output(0) = std::sin(_pi * p(0)) * std::sin(_pi * p(0)) * std::sin(2 * _pi * p(1));
  _output(1) = -std::sin(_pi * p(1)) * std::sin(_pi * p(1)) * std::sin(2 * _pi * p(0));

  // Compute the coefficient used to reverse the flow
  _reverse_coefficient = 1.0;
  if (_reverse_type == 0 && t > _reverse_time / 2.)
    _reverse_coefficient = -1.0;
  else if (_reverse_type == 1)
    _reverse_coefficient = std::cos(_pi * t / _reverse_time);
  return _reverse_coefficient * _output;
}

Member Data Documentation

_component

const MooseEnum& LevelSetOlssonVortex::_component

protected

The vector component to return.

Definition at line 41 of file LevelSetOlssonVortex.h.

Referenced by value().

_output

RealVectorValue LevelSetOlssonVortex::_output

protected

The velocity field computed.

Definition at line 44 of file LevelSetOlssonVortex.h.

Referenced by vectorValue().

_pi

const Real LevelSetOlssonVortex::_pi

protected

Definition at line 50 of file LevelSetOlssonVortex.h.

Referenced by vectorValue().

_reverse_coefficient

Real LevelSetOlssonVortex::_reverse_coefficient

protected

The time reversal coefficient.

Definition at line 47 of file LevelSetOlssonVortex.h.

Referenced by vectorValue().

_reverse_time

const Real& LevelSetOlssonVortex::_reverse_time

protected

Total time for the velocity field to complete reverse.

Definition at line 35 of file LevelSetOlssonVortex.h.

Referenced by vectorValue().

_reverse_type

const MooseEnum& LevelSetOlssonVortex::_reverse_type

protected

Type of reverse (instantaneous or smooth)

Definition at line 38 of file LevelSetOlssonVortex.h.

Referenced by vectorValue().

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

• level_set/include/functions/LevelSetOlssonVortex.h
• level_set/src/functions/LevelSetOlssonVortex.C