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  if (CoNum > small)
36  {
37  scalar maxDeltaTFact =
38  min(maxCo/(CoNum + small), maxAcousticCo/(acousticCoNum + small));
39 
40  runTime.setDeltaT
41  (
42  min
43  (
44  maxDeltaTFact*runTime.deltaTValue(),
45  maxDeltaT
46  )
47  );
48  }
49 }
50 
51 // ************************************************************************* //
engineTime & runTime
maxAcousticCo
Definition: readControls.H:3
scalar CoNum
scalar maxCo
dimensioned< Type > min(const dimensioned< Type > &, const dimensioned< Type > &)
scalar acousticCoNum
Definition: CourantNo.H:31
bool adjustTimeStep