New uniform density hydrostatic pressure BC.

src/finiteVolume/Make/files

@@ -147,6 +147,7 @@ $(derivedFvPatchFields)/turbulentInlet/turbulentInletFvPatchFields.C
 $(derivedFvPatchFields)/turbulentIntensityKineticEnergyInlet/turbulentIntensityKineticEnergyInletFvPatchScalarField.C
 $(derivedFvPatchFields)/uniformFixedValue/uniformFixedValueFvPatchFields.C
 $(derivedFvPatchFields)/waveTransmissive/waveTransmissiveFvPatchFields.C
+$(derivedFvPatchFields)/uniformDensityHydrostaticPressure/uniformDensityHydrostaticPressureFvPatchScalarField.C
 
 fvsPatchFields = fields/fvsPatchFields
 $(fvsPatchFields)/fvsPatchField/fvsPatchFields.C

src/finiteVolume/fields/fvPatchFields/derived/uniformDensityHydrostaticPressure/uniformDensityHydrostaticPressureFvPatchScalarField.C

+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 1991-2009 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 2 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
+    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
+    along with OpenFOAM; if not, write to the Free Software Foundation,
+    Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+\*---------------------------------------------------------------------------*/
+
+#include "uniformDensityHydrostaticPressureFvPatchScalarField.H"
+#include "addToRunTimeSelectionTable.H"
+#include "fvPatchFieldMapper.H"
+#include "volFields.H"
+#include "surfaceFields.H"
+
+
+// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
+
+Foam::uniformDensityHydrostaticPressureFvPatchScalarField::
+uniformDensityHydrostaticPressureFvPatchScalarField
+(
+    const fvPatch& p,
+    const DimensionedField<scalar, volMesh>& iF
+)
+:
+    fixedValueFvPatchScalarField(p, iF),
+    rho_(0.0),
+    pRefValue_(0.0),
+    pRefPoint_(vector::zero)
+{}
+
+
+Foam::uniformDensityHydrostaticPressureFvPatchScalarField::
+uniformDensityHydrostaticPressureFvPatchScalarField
+(
+    const fvPatch& p,
+    const DimensionedField<scalar, volMesh>& iF,
+    const dictionary& dict
+)
+:
+    fixedValueFvPatchScalarField(p, iF),
+    rho_(readScalar(dict.lookup("rho"))),
+    pRefValue_(readScalar(dict.lookup("pRefValue"))),
+    pRefPoint_(dict.lookup("pRefPoint"))
+{
+    if (dict.found("value"))
+    {
+        fvPatchField<scalar>::operator=
+        (
+            scalarField("value", dict, p.size())
+        );
+    }
+    else
+    {
+        evaluate();
+    }
+}
+
+
+Foam::uniformDensityHydrostaticPressureFvPatchScalarField::
+uniformDensityHydrostaticPressureFvPatchScalarField
+(
+    const uniformDensityHydrostaticPressureFvPatchScalarField& ptf,
+    const fvPatch& p,
+    const DimensionedField<scalar, volMesh>& iF,
+    const fvPatchFieldMapper& mapper
+)
+:
+    fixedValueFvPatchScalarField(ptf, p, iF, mapper),
+    rho_(ptf.rho_),
+    pRefValue_(ptf.pRefValue_),
+    pRefPoint_(ptf.pRefPoint_)
+{}
+
+
+Foam::uniformDensityHydrostaticPressureFvPatchScalarField::
+uniformDensityHydrostaticPressureFvPatchScalarField
+(
+    const uniformDensityHydrostaticPressureFvPatchScalarField& ptf
+)
+:
+    fixedValueFvPatchScalarField(ptf),
+    rho_(ptf.rho_),
+    pRefValue_(ptf.pRefValue_),
+    pRefPoint_(ptf.pRefPoint_)
+{}
+
+
+Foam::uniformDensityHydrostaticPressureFvPatchScalarField::
+uniformDensityHydrostaticPressureFvPatchScalarField
+(
+    const uniformDensityHydrostaticPressureFvPatchScalarField& ptf,
+    const DimensionedField<scalar, volMesh>& iF
+)
+:
+    fixedValueFvPatchScalarField(ptf, iF),
+    rho_(ptf.rho_),
+    pRefValue_(ptf.pRefValue_),
+    pRefPoint_(ptf.pRefPoint_)
+{}
+
+
+// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
+
+void Foam::uniformDensityHydrostaticPressureFvPatchScalarField::updateCoeffs()
+{
+    if (updated())
+    {
+        return;
+    }
+
+    const dictionary& environmentalProperties
+        = db().lookupObject<IOdictionary>("environmentalProperties");
+
+    dimensionedVector g(environmentalProperties.lookup("g"));
+
+    operator==
+    (
+        pRefValue_
+      + rho_*((g.value() & patch().Cf()) - (g.value() & pRefPoint_))
+    );
+
+    fixedValueFvPatchScalarField::updateCoeffs();
+}
+
+
+void Foam::uniformDensityHydrostaticPressureFvPatchScalarField::write
+(
+    Ostream& os
+) const
+{
+    fvPatchScalarField::write(os);
+    os.writeKeyword("rho") << rho_ << token::END_STATEMENT << nl;
+    os.writeKeyword("pRefValue") << pRefValue_ << token::END_STATEMENT << nl;
+    os.writeKeyword("pRefPoint") << pRefPoint_ << token::END_STATEMENT << nl;
+    writeEntry("value", os);
+}
+
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+    makePatchTypeField
+    (
+        fvPatchScalarField,
+        uniformDensityHydrostaticPressureFvPatchScalarField
+    );
+}
+
+// ************************************************************************* //

src/finiteVolume/fields/fvPatchFields/derived/uniformDensityHydrostaticPressure/uniformDensityHydrostaticPressureFvPatchScalarField.H

+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 1991-2009 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 2 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
+    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
+    along with OpenFOAM; if not, write to the Free Software Foundation,
+    Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+Class
+    Foam::uniformDensityHydrostaticPressureFvPatchScalarField
+
+Description
+    Hydrostatic pressure boundary condition calculated as
+
+    pRefValue + rho*g.(x - pRefPoint)
+
+    where rho is provided and assumed uniform.
+
+SourceFiles
+    uniformDensityHydrostaticPressureFvPatchScalarField.C
+
+\*---------------------------------------------------------------------------*/
+
+#ifndef uniformDensityHydrostaticPressureFvPatchScalarField_H
+#define uniformDensityHydrostaticPressureFvPatchScalarField_H
+
+#include "fixedValueFvPatchFields.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+
+/*---------------------------------------------------------------------------*\
+          Class uniformDensityHydrostaticPressureFvPatch Declaration
+\*---------------------------------------------------------------------------*/
+
+class uniformDensityHydrostaticPressureFvPatchScalarField
+:
+    public fixedValueFvPatchScalarField
+{
+    // Private data
+
+        //- Constant density in the far-field
+        scalar rho_;
+
+        //- Reference pressure
+        scalar pRefValue_;
+
+        //- Reference pressure location
+        vector pRefPoint_;
+
+
+public:
+
+    //- Runtime type information
+    TypeName("uniformDensityHydrostaticPressure");
+
+
+    // Constructors
+
+        //- Construct from patch and internal field
+        uniformDensityHydrostaticPressureFvPatchScalarField
+        (
+            const fvPatch&,
+            const DimensionedField<scalar, volMesh>&
+        );
+
+        //- Construct from patch, internal field and dictionary
+        uniformDensityHydrostaticPressureFvPatchScalarField
+        (
+            const fvPatch&,
+            const DimensionedField<scalar, volMesh>&,
+            const dictionary&
+        );
+
+        //- Construct by mapping given
+        //  uniformDensityHydrostaticPressureFvPatchScalarField onto a new patch
+        uniformDensityHydrostaticPressureFvPatchScalarField
+        (
+            const uniformDensityHydrostaticPressureFvPatchScalarField&,
+            const fvPatch&,
+            const DimensionedField<scalar, volMesh>&,
+            const fvPatchFieldMapper&
+        );
+
+        //- Construct as copy
+        uniformDensityHydrostaticPressureFvPatchScalarField
+        (
+            const uniformDensityHydrostaticPressureFvPatchScalarField&
+        );
+
+        //- Construct and return a clone
+        virtual tmp<fvPatchScalarField> clone() const
+        {
+            return tmp<fvPatchScalarField>
+            (
+                new uniformDensityHydrostaticPressureFvPatchScalarField(*this)
+            );
+        }
+
+        //- Construct as copy setting internal field reference
+        uniformDensityHydrostaticPressureFvPatchScalarField
+        (
+            const uniformDensityHydrostaticPressureFvPatchScalarField&,
+            const DimensionedField<scalar, volMesh>&
+        );
+
+        //- Construct and return a clone setting internal field reference
+        virtual tmp<fvPatchScalarField> clone
+        (
+            const DimensionedField<scalar, volMesh>& iF
+        ) const
+        {
+            return tmp<fvPatchScalarField>
+            (
+                new uniformDensityHydrostaticPressureFvPatchScalarField
+                (
+                    *this,
+                    iF
+                )
+            );
+        }
+
+
+    // Member functions
+
+        // Access
+
+            //- Return the constant density in the far-field
+            scalar rho() const
+            {
+                return rho_;
+            }
+
+            //- Return reference to the constant density in the far-field
+            //  to allow adjustment
+            scalar& rho()
+            {
+                return rho_;
+            }
+
+            //- Return the reference pressure
+            scalar pRefValue() const
+            {
+                return pRefValue_;
+            }
+
+            //- Return reference to the reference pressure to allow adjustment
+            scalar& pRefValue()
+            {
+                return pRefValue_;
+            }
+
+            //- Return the pressure reference location
+            const vector& pRefPoint() const
+            {
+                return pRefPoint_;
+            }
+
+            //- Return reference to the pressure reference location
+            //  to allow adjustment
+            vector& pRefPoint()
+            {
+                return pRefPoint_;
+            }
+
+
+        // Evaluation functions
+
+            //- Update the coefficients associated with the patch field
+            virtual void updateCoeffs();
+
+
+        //- Write
+        virtual void write(Ostream&) const;
+};
+
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace Foam
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+#endif
+
+// ************************************************************************* //