sigmoidalHeaviside Class Reference

A smooth Heaviside function to project the signed distance field in level set topology optimization. More...

#include <sigmoidalHeaviside.H>

Inheritance diagram for sigmoidalHeaviside:

Collaboration diagram for sigmoidalHeaviside:

Public Member Functions
	TypeName ("sigmoidalHeaviside")
	Runtime type information.
	sigmoidalHeaviside (const fvMesh &mesh, const dictionary &dict)
	Construct from mesh and dictionary.
virtual	~sigmoidalHeaviside ()=default
virtual void	interpolate (const scalarField &arg, scalarField &res) const
	Interpolate argument to result.
virtual tmp< scalarField >	derivative (const scalarField &arg) const
	Return of function with respect to the argument field.
Public Member Functions inherited from topOInterpolationFunction
	TypeName ("topOInterpolationFunction")
	Runtime type information.
	declareRunTimeSelectionTable (autoPtr, topOInterpolationFunction, dictionary,(const fvMesh &mesh, const dictionary &dict),(mesh, dict))
	topOInterpolationFunction (const fvMesh &mesh, const dictionary &dict)
	Construct from components.
virtual	~topOInterpolationFunction ()=default
	Destructor.
virtual void	setLengthScaleParam (const scalar lengthScale)
	Set the parameter determining length scale.

Protected Member Functions
scalar	computeNearBandWidth () const
	Compute the near-band width of the fluid-solid interface as.

Protected Attributes
scalar	dNB_
	The near-band distance.
Protected Attributes inherited from topOInterpolationFunction
const fvMesh &	mesh_
dictionary	dict_

Additional Inherited Members
Static Public Member Functions inherited from topOInterpolationFunction
static autoPtr< topOInterpolationFunction >	New (const fvMesh &mesh, const dictionary &dict)
	Return an autoPtr to the selected interpolation type.

Detailed Description

A smooth Heaviside function to project the signed distance field in level set topology optimization.

Definition at line 44 of file sigmoidalHeaviside.H.

Constructor & Destructor Documentation

sigmoidalHeaviside()

sigmoidalHeaviside	(	const fvMesh &	mesh,
		const dictionary &	dict )

Construct from mesh and dictionary.

Definition at line 75 of file sigmoidalHeaviside.C.

References computeNearBandWidth(), dict, dNB_, and mesh.

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~sigmoidalHeaviside()

virtual ~sigmoidalHeaviside ( )

virtualdefault

Member Function Documentation

computeNearBandWidth()

scalar computeNearBandWidth ( ) const

protected

Compute the near-band width of the fluid-solid interface as.

the mean edge length of mesh cells

Definition at line 45 of file sigmoidalHeaviside.C.

References DebugInfo, topOInterpolationFunction::dict_, Foam::endl(), forAll, Foam::gAverage(), topOInterpolationFunction::mesh_, and Foam::pow().

Referenced by sigmoidalHeaviside().

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TypeName()

TypeName

(

"sigmoidalHeaviside"

)

Runtime type information.

References dict, and mesh.

interpolate()

void interpolate ( const scalarField & arg, scalarField & res ) const

virtual

Interpolate argument to result.

Implements topOInterpolationFunction.

Definition at line 89 of file sigmoidalHeaviside.C.

References DebugInfo, dNB_, Foam::endl(), Foam::max(), topOInterpolationFunction::mesh_, Foam::min(), Foam::constant::mathematical::pi(), pi(), Foam::sin(), and Foam::type().

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derivative()

tmp< scalarField > derivative ( const scalarField & arg ) const

virtual

Return of function with respect to the argument field.

Implements topOInterpolationFunction.

Definition at line 106 of file sigmoidalHeaviside.C.

References Foam::cos(), DebugInfo, dNB_, Foam::endl(), Foam::max(), topOInterpolationFunction::mesh_, Foam::min(), tmp< T >::New(), Foam::constant::mathematical::pi(), pi(), tmp< T >::ref(), UList< T >::size(), Foam::type(), and Foam::Zero.

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Member Data Documentation

dNB_

scalar dNB_

protected

The near-band distance.

Definition at line 55 of file sigmoidalHeaviside.H.

Referenced by derivative(), interpolate(), and sigmoidalHeaviside().

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

• src/optimisation/adjointOptimisation/adjoint/optimisation/designVariables/levelSet/interpolationFunctions/sigmoidalHeaviside/sigmoidalHeaviside.H
• src/optimisation/adjointOptimisation/adjoint/optimisation/designVariables/levelSet/interpolationFunctions/sigmoidalHeaviside/sigmoidalHeaviside.C