有遇见过simpleFoam达不到稳态的情况吗?
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最近再用snappyHexMesh画网格,网格画完了checkMesh也通过了,但是simpleFoam达不到稳态。用了几个probe来检查,发现速度一直在震荡。 同样的system下面的设置,之前跑其他的算例都没问题的。
我贴一下我的fvSchemes/*--------------------------------*- C++ -*----------------------------------*\ | ========= | | | \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | | \\ / O peration | Version: 2.3.1 | | \\ / A nd | Web: www.OpenFOAM.org | | \\/ M anipulation | | \*---------------------------------------------------------------------------*/ FoamFile { version 2.0; format ascii; class dictionary; location "system"; object fvSchemes; } // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // ddtSchemes { default steadyState; } gradSchemes { default cellLimited leastSquares 1; //Gauss linear; } divSchemes { default none; div(phi,U) bounded Gauss linearUpwindV cellLimited leastSquares 1; div(phi,k) bounded Gauss linearUpwind celllimited leastSquares 1; div(phi,epsilon) bounded Gauss linearUpwind celllimited leastSquares 1; div(phi,R) bounded Gauss linear corrected; div(R) Gauss linear; div(phi,nuTilda) bounded Gauss upwind; div((nuEff*dev2(T(grad(U))))) Gauss linear; } laplacianSchemes { default Gauss linear corrected; } interpolationSchemes { default linear; } snGradSchemes { default corrected; } fluxRequired { default no; p ; } // ************************************************************************* //