zhyang-dev/OpenFOAM-12
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fvModels: Added maxDeltaT() function to provide a time-step limiter

Browse Source 
fvModels.maxDeltaT() calls are now included in the setDeltaT.H files to
additionally limit the time-step if any fvModel require it.
This commit is contained in:
Henry Weller
2022-02-08 16:27:06 +00:00
parent e22870f508
commit e478bb9b09
9 changed files with 150 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
applications/solvers/combustion/XiFoam/PDRFoam/setDeltaT.H
View File

@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2021 OpenFOAM Foundation
\\ / A nd | Copyright (C) 2011-2022 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@ -33,17 +33,14 @@ Description
if (adjustTimeStep)
{
scalar maxDeltaTFact = maxCo/(CoNum + StCoNum + small);
scalar deltaTFact = min(min(maxDeltaTFact, 1.0 + 0.1*maxDeltaTFact), 1.2);
scalar maxDeltaT = maxCo*runTime.deltaTValue()/(CoNum + StCoNum + small);
runTime.setDeltaT
(
min
(
deltaTFact*runTime.deltaTValue(),
maxDeltaT
)
);
maxDeltaT = min(maxDeltaT, fvModels.maxDeltaT());
const scalar deltaT =
min(min(maxDeltaT, 1.0 + 0.1*maxDeltaT), 1.2*runTime.deltaTValue());
runTime.setDeltaT(min(deltaT, maxDeltaT));
Info<< "deltaT = " << runTime.deltaTValue() << endl;
}