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prghPressureFvPatchScalarField: Add support for hRef

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This commit is contained in:
Henry
2015-04-18 19:31:31 +01:00
parent bb59286bb6
commit d4f6e184be
2 changed files with 16 additions and 5 deletions
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14
src/finiteVolume/fields/fvPatchFields/derived/prghPressure/prghPressureFvPatchScalarField.C
View File

@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2013 OpenFOAM Foundation
\\ / A nd | Copyright (C) 2013-2015 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@ -152,7 +152,17 @@ void Foam::prghPressureFvPatchScalarField::updateCoeffs()
const uniformDimensionedVectorField& g =
db().lookupObject<uniformDimensionedVectorField>("g");
operator==(p_ - rhop*((g.value() & patch().Cf())));
const uniformDimensionedScalarField& hRef =
db().lookupObject<uniformDimensionedScalarField>("hRef");
dimensionedScalar ghRef
(
mag(g.value()) > SMALL
? g & (cmptMag(g.value())/mag(g.value()))*hRef
: dimensionedScalar("ghRef", g.dimensions()*dimLength, 0)
);
operator==(p_ - rhop*((g.value() & patch().Cf()) - ghRef.value()));
fixedValueFvPatchScalarField::updateCoeffs();
}

7
src/finiteVolume/fields/fvPatchFields/derived/prghPressure/prghPressureFvPatchScalarField.H
View File

@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2013 OpenFOAM Foundation
\\ / A nd | Copyright (C) 2013-2015 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@ -32,7 +32,7 @@ Description
calculated as:
\f[
p_rgh = p - \rho g h
p_rgh = p - \rho g (h - hRef)
\f]
where
@ -40,8 +40,9 @@ Description
p_rgh | Pseudo hydrostatic pressure [Pa]
p | Static pressure [Pa]
h | Height in the opposite direction to gravity
hRef | Reference height in the opposite direction to gravity
\rho | density
g | acceleration due to gravity [m/s2]
g | acceleration due to gravity [m/s^2]
\endtable
\heading Patch usage