FreeFOAM The Cross-Platform CFD Toolkit
setInitialDeltaT.H
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23 
24 Global
25  setInitialDeltaT
26 
27 Description
28  Set the initial timestep corresponding to the timestep adjustment
29  algorithm in setDeltaT
30 
31 \*---------------------------------------------------------------------------*/
32 
33 if (adjustTimeStep)
34 {
35 # include "CourantNo.H"
36 
37  if (CoNum > SMALL)
38  {
39  scalar maxDeltaTFact =
40  min(maxCo/(CoNum + SMALL), maxAcousticCo/(acousticCoNum + SMALL));
41 
42  runTime.setDeltaT
43  (
44  min
45  (
46  maxDeltaTFact*runTime.deltaT().value(),
47  maxDeltaT
48  )
49  );
50  }
51 }
52 
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