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error before the first iteration of komegaSST |
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August 31, 2015, 14:37 |
error before the first iteration of komegaSST
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#1 |
Member
RacMat
Join Date: Jan 2013
Posts: 78
Rep Power: 13 |
Hi everyone,
I am running a flat plate Turbulent BL using simpleFoam and i get the following error. Could anyone help me out with this? Thanks! Create time Create mesh for time = 0 Reading field p Reading field U Reading/calculating face flux field phi Selecting incompressible transport model Newtonian Selecting RAS turbulence model kOmegaSST kOmegaSSTCoeffs { alphaK1 0.85; alphaK2 1; alphaOmega1 0.5; alphaOmega2 0.856; gamma1 0.555556; gamma2 0.44; beta1 0.075; beta2 0.0828; betaStar 0.09; a1 0.31; b1 1; c1 10; F3 false; } No finite volume options present SIMPLE: no convergence criteria found. Calculations will run for 100000 steps. Starting time loop Time = 1 #0 Foam::error:rintStack(Foam::Ostream&) at ??:? #1 Foam::sigFpe::sigHandler(int) at ??:? #2 ? in "/lib/x86_64-linux-gnu/libc.so.6" #3 Foam::smoothSolver::solve(Foam::Field<double>&, Foam::Field<double> const&, unsigned char) const at ??:? #4 ? at ??:? #5 ? at ??:? #6 ? at ??:? #7 ? at ??:? #8 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #9 ? at ??:? Floating point exception (core dumped) |
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August 31, 2015, 16:07 |
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#2 |
Senior Member
Troy Snyder
Join Date: Jul 2009
Location: Akron, OH
Posts: 220
Rep Power: 19 |
It appears that you may be missing parts of the files within the system/ directory. Posting the controlDict, fvSchemes, and fvSolution files may prove helpful.
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August 31, 2015, 20:59 |
controlDict fvSchemes fvSolution files
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#3 |
Member
RacMat
Join Date: Jan 2013
Posts: 78
Rep Power: 13 |
Hi, i have attached the 3 files. I took them from the motor bike case
FoamFile { version 2.0; format ascii; class dictionary; location "system"; object controlDict; } // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // libs ("libmyDDESInflowBC_vel.so"); application simpleFoam; startFrom latestTime; startTime 0; stopAt endTime; endTime 100000; deltaT 1; writeControl timeStep; writeInterval 100; purgeWrite 0; writeFormat ascii; writePrecision 6; writeCompression off; timeFormat general; timePrecision 6; runTimeModifiable true; fvSchemes: ddtSchemes { default steadyState; } gradSchemes { default Gauss linear; //grad(U) cellLimited Gauss linear 1; } divSchemes { default none; div(phi,U) bounded Gauss linear; div(phi,k) bounded Gauss upwind; div(phi,omega) bounded Gauss upwind; div((nuEff*dev(T(grad(U))))) Gauss linear; } laplacianSchemes { default Gauss linear corrected; } interpolationSchemes { default linear; } snGradSchemes { default corrected; } fluxRequired { default no; p; Phi; } fvSolution solvers { p { solver GAMG; tolerance 1e-7; relTol 0.01; smoother GaussSeidel; nPreSweeps 0; nPostSweeps 2; cacheAgglomeration on; agglomerator faceAreaPair; nCellsInCoarsestLevel 10; mergeLevels 1; } Phi { $p; } U { solver smoothSolver; smoother GaussSeidel; tolerance 1e-8; relTol 0.1; nSweeps 1; } k { solver smoothSolver; smoother GaussSeidel; tolerance 1e-8; relTol 0.1; nSweeps 1; } omega { solver smoothSolver; smoother GaussSeidel; tolerance 1e-8; relTol 0.1; nSweeps 1; } } SIMPLE { nNonOrthogonalCorrectors 0; } potentialFlow { nNonOrthogonalCorrectors 10; } relaxationFactors { fields { p 0.3; } equations { U 0.7; k 0.7; omega 0.7; } } cache { grad(U); } |
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Tags |
first iteration error, openfoam, simplefoam |
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