buoyancy.C

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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | Copyright (C) 2022 OpenFOAM Foundation
     \\/     M anipulation  |
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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.
 
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
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\*---------------------------------------------------------------------------*/
 
#include "buoyancy.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::solvers::buoyancy::buoyancy(const fvMesh& mesh_)
:
    mesh(mesh_),
 
    runTime(mesh.time()),
 
    g
    (
        IOobject
        (
            "g",
            runTime.constant(),
            mesh,
            IOobject::MUST_READ,
            IOobject::NO_WRITE
        )
    ),
 
    hRef
    (
        IOobject
        (
            "hRef",
            runTime.constant(),
            mesh,
            IOobject::READ_IF_PRESENT,
            IOobject::NO_WRITE
        ),
        dimensionedScalar(dimLength, 0)
    ),
 
    pRef
    (
        IOobject
        (
            "pRef",
            runTime.constant(),
            mesh,
            IOobject::READ_IF_PRESENT,
            IOobject::NO_WRITE
        ),
        dimensionedScalar(dimPressure, 0)
    ),
 
    ghRef(-mag(g)*hRef),
 
    gh("gh", (g & mesh.C()) - ghRef),
 
    ghf("ghf", (g & mesh.Cf()) - ghRef),
 
    p_rgh
    (
        IOobject
        (
            "p_rgh",
            runTime.name(),
            mesh,
            IOobject::MUST_READ,
            IOobject::AUTO_WRITE
        ),
        mesh
    )
{
    mesh.schemes().setFluxRequired(p_rgh.name());
}
 
 
// * * * * * * * * * * * * * * * * Selectors * * * * * * * * * * * * * * * * //
 
Foam::autoPtr<Foam::solvers::buoyancy> Foam::solvers::buoyancy::New
(
    const fvMesh& mesh
)
{
    return typeIOobject<volScalarField>
        (
            "p_rgh",
            mesh.time().name(),
            mesh,
            IOobject::MUST_READ
        ).headerOk()
      ? autoPtr<buoyancy>(new solvers::buoyancy(mesh))
      : autoPtr<buoyancy>(nullptr);
}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::solvers::buoyancy::~buoyancy()
{}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
void Foam::solvers::buoyancy::moveMesh()
{
    gh = (g & mesh.C()) - ghRef;
    ghf = (g & mesh.Cf()) - ghRef;
}
 
 
// ************************************************************************* //