/usr/include/freefoam/twoPhaseInterfaceProperties/alphaContactAngleFvPatchScalarField.H is in libfreefoam-dev 0.1.0+dfsg-1build1.
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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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You should have received a copy of the GNU General Public License
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Class
Foam::alphaContactAngleFvPatchScalarField
Description
Abstract base class for alphaContactAngle boundary conditions.
Derived classes must implement the theta() fuction which returns the
wall contact angle field.
The essential entry "limit" controls the gradient of alpha1 on the wall:
limit none; // Calculate the gradient from the contact-angle without
// limiter
limit gradient; // Limit the wall-gradient such that alpha1 remains
// bounded on the wall
limit alpha; // Bound the calculated alpha1 on the wall
limit zeroGradient; // Set the gradient of alpha1 to 0 on the wall
// i.e. reproduce previous behaviour
Note that if any of the first three options are used the boundary condition
on p_rgh must set to guarantee that the flux is corrected to be zero at the
wall e.g.
walls
{
type fixedFluxPressure;
adjoint no;
}
If "limit zeroGradient;" is used the pressure BCs can be left as before.
SourceFiles
alphaContactAngleFvPatchScalarField.C
\*---------------------------------------------------------------------------*/
#ifndef alphaContactAngleFvPatchScalarField_H
#define alphaContactAngleFvPatchScalarField_H
#include <finiteVolume/fixedGradientFvPatchFields.H>
#include <finiteVolume/fvsPatchFields.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class alphaContactAngleFvPatch Declaration
\*---------------------------------------------------------------------------*/
class alphaContactAngleFvPatchScalarField
:
public fixedGradientFvPatchScalarField
{
public:
//- Runtime type information
TypeName("alphaContactAngle");
//- Alpha limit options
enum limitControls
{
lcNone,
lcGradient,
lcZeroGradient,
lcAlpha
};
static const NamedEnum<limitControls, 4> limitControlNames_;
limitControls limit_;
// Constructors
//- Construct from patch and internal field
alphaContactAngleFvPatchScalarField
(
const fvPatch&,
const DimensionedField<scalar, volMesh>&
);
//- Construct from patch, internal field and dictionary
alphaContactAngleFvPatchScalarField
(
const fvPatch&,
const DimensionedField<scalar, volMesh>&,
const dictionary&
);
//- Construct by mapping given alphaContactAngleFvPatchScalarField
// onto a new patch
alphaContactAngleFvPatchScalarField
(
const alphaContactAngleFvPatchScalarField&,
const fvPatch&,
const DimensionedField<scalar, volMesh>&,
const fvPatchFieldMapper&
);
//- Construct as copy
alphaContactAngleFvPatchScalarField
(
const alphaContactAngleFvPatchScalarField&
);
//- Construct as copy setting internal field reference
alphaContactAngleFvPatchScalarField
(
const alphaContactAngleFvPatchScalarField&,
const DimensionedField<scalar, volMesh>&
);
// Member functions
//- Return the contact angle
virtual tmp<scalarField> theta
(
const fvPatchVectorField& Up,
const fvsPatchVectorField& nHat
) const = 0;
//- Evaluate the patch field
virtual void evaluate
(
const Pstream::commsTypes commsType=Pstream::blocking
);
//- Write
virtual void write(Ostream&) const;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
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