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    simpleFoam 求解出错,

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    • dyb
      dyb 最后由 编辑

      老师你们好,今天我把我的初始条件改了,网格改成一个10001000600的方形域,网格尺度10m,没有局部加密,然后计算只进行了一步,就停止计算了,不知道出了什么问题

      /*---------------------------------------------------------------------------*\
        =========                 |
        \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
         \\    /   O peration     | Website:  https://openfoam.org
          \\  /    A nd           | Version:  6
           \\/     M anipulation  |
      \*---------------------------------------------------------------------------*/
      Build  : 6-e29811f5dff8
      Exec   : simpleFoam
      Date   : Jun 08 2019
      Time   : 11:30:56
      Host   : "DESKTOP-B2MMFF6"
      PID    : 649
      I/O    : uncollated
      Case   : /home/dyb/turbineSiting
      nProcs : 1
      sigFpe : Enabling floating point exception trapping (FOAM_SIGFPE).
      fileModificationChecking : Monitoring run-time modified files using timeStampMaster (fileModificationSkew 10)
      allowSystemOperations : Allowing user-supplied system call operations
      
      // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
      Create time
      
      Create mesh for time = 0
      
      
      SIMPLE: Convergence criteria found
              p: tolerance 0.001
              U: tolerance 0.0001
              "(k|epsilon)": tolerance 0.0001
      
      Reading field p
      
      Reading field U
      
      Reading/calculating face flux field phi
      
      Selecting incompressible transport model Newtonian
      Selecting turbulence model type RAS
      Selecting RAS turbulence model kEpsilon
      kEpsilonCoeffs
      {
          Cmu             0.09;
          C1              1.44;
          C2              1.92;
          sigmaEps        1.11;
          C3              0;
          sigmak          1;
      }
      
      No MRF models present
      
      No finite volume options present
      
      Starting time loop
      
      Time = 0.5
      
      smoothSolver:  Solving for Ux, Initial residual = 1, Final residual = 9.1224225086e-05, No Iterations 1
      smoothSolver:  Solving for Uy, Initial residual = 1, Final residual = 0.000277092958167, No Iterations 1
      smoothSolver:  Solving for Uz, Initial residual = 1, Final residual = 0.000115107113427, No Iterations 1
      
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      • dyb
        dyb 最后由 编辑

        我找到原因了,就是不同的网格,对应参数的求解方法,以及求解方法的smoother也要做相应的修改,我这个算例的速度求解没问题,压力求解方法的smoother 出了问题,导致计算终止。谢谢各位老师关注

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