solvers::incompressibleFluid: New solver module for incompressible fluid flow
executed with foamRun for single region simulations of foamMultiRun for
multi-region simulations. Replaces pimpleFoam, pisoFoam and simpleFoam and all
the corresponding tutorials have been updated and moved to
tutorials/modules/incompressibleFluid.
Class
Foam::solvers::incompressibleFluid
Description
Solver module for steady or transient turbulent flow of incompressible
isothermal fluids with optional mesh motion and change.
Uses the flexible PIMPLE (PISO-SIMPLE) solution for time-resolved and
pseudo-transient and steady simulations.
Optional fvModels and fvConstraints are provided to enhance the simulation
in many ways including adding various sources, constraining or limiting
the solution.
Reference:
\verbatim
Greenshields, C. J., & Weller, H. G. (2022).
Notes on Computational Fluid Dynamics: General Principles.
CFD Direct Ltd.: Reading, UK.
\endverbatim
SourceFiles
incompressibleFluid.C
See also
Foam::solvers::fluidSolver
Foam::solvers::isothermalFluid
This commit is contained in:
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/*--------------------------------*- C++ -*----------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration | Website: https://openfoam.org
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\\ / A nd | Version: dev
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\\/ M anipulation |
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\*---------------------------------------------------------------------------*/
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FoamFile
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{
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format ascii;
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class dictionary;
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location "system";
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object controlDict;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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application foamRun;
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solver incompressibleFluid;
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startFrom startTime;
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startTime 0;
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stopAt endTime;
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endTime 0.1;
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deltaT 1e-05;
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writeControl timeStep;
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writeInterval 100;
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purgeWrite 0;
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writeFormat ascii;
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writePrecision 6;
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writeCompression off;
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timeFormat general;
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timePrecision 6;
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runTimeModifiable true;
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functions
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{
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probes
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{
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type probes;
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libs ("libsampling.so");
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writeControl timeStep;
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writeInterval 1;
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fields (p);
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probeLocations
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(
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(0.0254 0.0253 0)
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(0.0508 0.0253 0)
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(0.0762 0.0253 0)
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(0.1016 0.0253 0)
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(0.127 0.0253 0)
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(0.1524 0.0253 0)
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(0.1778 0.0253 0)
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);
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}
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#includeFunc fieldAverage(U, p, prime2Mean = yes)
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surfaceSampling
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{
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type surfaces;
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libs ("libsampling.so");
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writeControl writeTime;
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interpolationScheme cellPoint;
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surfaceFormat vtk;
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fields (U);
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surfaces
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(
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nearWall
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{
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type patchInternalField;
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patches (lowerWall);
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distance 1e-6;
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interpolate true;
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triangulate false;
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}
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);
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}
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#includeFunc scalarTransport(s)
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}
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// ************************************************************************* //
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@ -0,0 +1,52 @@
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/*--------------------------------*- C++ -*----------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration | Website: https://openfoam.org
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\\ / A nd | Version: dev
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\\/ M anipulation |
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\*---------------------------------------------------------------------------*/
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FoamFile
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{
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format ascii;
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class dictionary;
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location "system";
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object fvSchemes;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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ddtSchemes
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{
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default backward;
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}
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gradSchemes
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{
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default Gauss linear;
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}
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divSchemes
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{
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default none;
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div(phi,U) Gauss LUST grad(U);
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div(phi,k) Gauss limitedLinear 1;
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div(phi,s) bounded Gauss limitedLinear 1;
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div((nuEff*dev2(T(grad(U))))) Gauss linear;
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}
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laplacianSchemes
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{
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default Gauss linear corrected;
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}
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interpolationSchemes
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{
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default linear;
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}
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snGradSchemes
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{
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default corrected;
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}
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// ************************************************************************* //
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@ -0,0 +1,51 @@
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/*--------------------------------*- C++ -*----------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration | Website: https://openfoam.org
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\\ / A nd | Version: dev
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\\/ M anipulation |
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\*---------------------------------------------------------------------------*/
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FoamFile
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{
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format ascii;
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class dictionary;
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location "system";
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object fvSolution;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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solvers
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{
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p
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{
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solver GAMG;
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tolerance 1e-06;
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relTol 0.1;
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smoother GaussSeidel;
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}
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pFinal
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{
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$p;
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smoother DICGaussSeidel;
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tolerance 1e-06;
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relTol 0;
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}
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"(U|k|B|nuTilda|s).*"
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{
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solver smoothSolver;
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smoother GaussSeidel;
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tolerance 1e-05;
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relTol 0;
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}
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}
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PIMPLE
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{
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nCorrectors 2;
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nNonOrthogonalCorrectors 0;
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}
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// ************************************************************************* //
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