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maxAlphaCo added #4

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57 changes: 57 additions & 0 deletions applications/solvers/multiphase/openInjMoldSim/alphaCourantNo.H
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Original file line number Diff line number Diff line change
@@ -0,0 +1,57 @@
/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2018 OpenFOAM Foundation
\\/ 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
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, see <http://www.gnu.org/licenses/>.

Global
alphaCourantNo

Description
Calculates and outputs the mean and maximum Courant Numbers.

\*---------------------------------------------------------------------------*/

scalar maxAlphaCo
(
readScalar(runTime.controlDict().lookup("maxAlphaCo"))
);

scalar alphaCoNum = 0.0;
scalar meanAlphaCoNum = 0.0;

if (mesh.nInternalFaces())
{
scalarField sumPhi
(
pos0(alpha1 - 0.01)*pos0(0.99 - alpha1)
*fvc::surfaceSum(mag(phi))().primitiveField()
);

alphaCoNum = 0.5*gMax(sumPhi/mesh.V().field())*runTime.deltaTValue();

meanAlphaCoNum =
0.5*(gSum(sumPhi)/gSum(mesh.V().field()))*runTime.deltaTValue();
}

Info<< "Interface Courant Number mean: " << meanAlphaCoNum
<< " max: " << alphaCoNum << endl;

// ************************************************************************* //
2 changes: 1 addition & 1 deletion applications/solvers/multiphase/openInjMoldSim/mojSetDeltaT.H
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Expand Up @@ -33,7 +33,7 @@ Description

if (adjustTimeStep)
{
scalar maxDeltaTFact = min(maxCo/(CoNum + small), maxSolidCo/(solidCoNum + small));
scalar maxDeltaTFact = min(maxCo/(CoNum + small), min( maxSolidCo/(solidCoNum + small), maxAlphaCo/(alphaCoNum + small) ) ); //Andrea - add maxAlphaCo/(alphaCoNum + small)
scalar deltaTFact = min(min(maxDeltaTFact, 1.0 + 0.1*maxDeltaTFact), 1.2);

runTime.setDeltaT
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1 change: 1 addition & 0 deletions applications/solvers/multiphase/openInjMoldSim/openInjMoldSim.C
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Expand Up @@ -82,6 +82,7 @@ int main(int argc, char *argv[])
{
#include "mojCreateTimeControls.H"
#include "mojCourantNo.H"
#include "alphaCourantNo.H" //Andrea
#include "mojSetDeltaT.H"

runTime++;
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