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
32 
33 \*---------------------------------------------------------------------------*/
34 
35 if (adjustTimeStep)
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.deltaTValue(),
47  maxDeltaT
48  )
49  );
50  }
51 }
52 
53 // ************************************************************************* //
acousticCoNum
scalar acousticCoNum
Definition: CourantNo.H:33
runTime
engineTime & runTime
Definition: createEngineTime.H:13
maxAcousticCo
maxAcousticCo
Definition: readControls.H:4
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