setInitialDeltaT.H
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25 
26 Global
27  setInitialDeltaT
28 
29 Description
30  Set the initial timestep corresponding to the timestep adjustment
31  algorithm in setDeltaT but only if it would reduce the timestep.
32 
33 \*---------------------------------------------------------------------------*/
34 
35 if (adjustTimeStep)
36 {
37  if ((runTime.timeIndex() == 0) && (CoNum > SMALL))
38  {
39  runTime.setDeltaT
40  (
41  min
42  (
43  maxCo*runTime.deltaTValue()/CoNum,
44  min(runTime.deltaTValue(), maxDeltaT)
45  )
46  );
47  }
48 }
49 
50 // ************************************************************************* //
runTime
engineTime & runTime
Definition: createEngineTime.H:13
maxDeltaT
maxDeltaT
Definition: readEngineTimeControls.H:3
Foam::min
label min(const labelHashSet &set, label minValue=labelMax)
Find the min value in labelHashSet, optionally limited by second argument.
Definition: hashSets.C:33
adjustTimeStep
bool adjustTimeStep
Definition: createTimeControls.H:32
CoNum
scalar CoNum
Definition: compressibleCourantNo.H:31
maxCo
scalar maxCo
Definition: createTimeControls.H:35