为什么二维方腔流用pisFoam算出的流线与下方没有涡



  • QQ图片20190314190108.png
    QQ图片20190314190123.png
    该怎么解决呢


  • 教授

    你只是在下方没画出来流线,应该是有涡的。


  • 管理员

    有可能,你加密试试?不行就降低粘度试试?



  • @东岳 把网格加密后80*80算到time=0.05时就显示

    #3  Foam::GaussSeidelSmoother::smooth(Foam::word const&, Foam::Field<double>&, Foam::lduMatrix const&, Foam::Field<double> const&, Foam::FieldField<Foam::Field, double> const&, Foam::UPtrList<Foam::lduInterfaceField const> const&, unsigned char, int) at ??:?
    #4  Foam::GaussSeidelSmoother::smooth(Foam::Field<double>&, Foam::Field<double> const&, unsigned char, int) const at ??:?
    #5  Foam::smoothSolver::solve(Foam::Field<double>&, Foam::Field<double> const&, unsigned char) const at ??:?
    #6  Foam::fvMatrix<double>::solveSegregated(Foam::dictionary const&) at ??:?
    #7  Foam::fvMatrix<double>::solve(Foam::dictionary const&) at ??:?
    #8  Foam::fvMatrix<double>::solve() at ??:?
    #9  Foam::SolverPerformance<double> Foam::solve<double>(Foam::tmp<Foam::fvMatrix<double> > const&) at ??:?
    #10  Foam::RASModels::kEpsilon<Foam::IncompressibleTurbulenceModel<Foam::transportModel> >::correct() at ??:?
    #11  ? at ??:?
    #12  __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6"
    #13  ? at ??:?
    
    浮点数例外 (核心已转储)
    

  • 管理员

    降低你的时间步长试试



  • @东岳 微信图片_20201012200823.jpg 微信图片_20201012200818.png
    二维顶盖驱动方腔流无滑移时有涡,有滑移时不出现涡,这种情况可能是什么原因造成的?程序是fortran语言自编的


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