1. 19 Jun, 2015 1 commit
    • Henry Weller's avatar
      rhoCentralFoam: Added experimental LTS support · 91ee15e3
      Henry Weller authored
      Select LTS via the ddtScheme:
      
      ddtSchemes
      {
          default         localEuler rDeltaT;
      }
      
      The LTS algorithm is controlled with the standard settings in
      controlDict, e.g.:
      
      maxCo           0.5;
      maxDeltaT       2e-8;
      
      with the addition of the optional rDeltaT smoothing coefficient:
      
      rDeltaTSmoothingCoeff 0.02;
      
      which defaults to 0.02.
      
      For cases with reasonably uniform meshes like the forwardStep tutorial
      LTS does not provide much benefit but for cases with large variation in
      cell-size like the biconic25-55Run35 tutorial LTS provides significant
      speed-up to convergence particularly if started from uniform conditions.
      91ee15e3
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