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BUG: forceCoeffs - corrected handling of pDyn for compressible cases. Fixes #436

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This commit is contained in:
Andrew Heather 2017-03-21 13:27:47 +00:00
parent cf1df0542f
commit 6ebaa63d1c
1 changed files with 9 additions and 1 deletions
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10
src/functionObjects/forces/forceCoeffs/forceCoeffs.C
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@ -3,7 +3,7 @@
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2016 OpenFOAM Foundation
\\/ M anipulation | Copyright (C) 2015-2016 OpenCFD Ltd.
\\/ M anipulation | Copyright (C) 2015-2017 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
@ -250,6 +250,14 @@ bool Foam::functionObjects::forceCoeffs::read(const dictionary& dict)
// Free stream velocity magnitude
dict.lookup("magUInf") >> magUInf_;
// If case is compressible we must read rhoInf (store in rhoRef_) to
// calculate the reference dynamic pressure
// - note: for incompressible, rhoRef_ is already initialised
if (rhoName_ != "rhoInf")
{
dict.lookup("rhoInf") >> rhoRef_;
}
// Reference length and area scales
dict.lookup("lRef") >> lRef_;
dict.lookup("Aref") >> Aref_;