public static IBMRungeKutta CreateRungeKuttaTimeStepper(
this TimesteppingStrategies strategy,
IBMControl control,
OperatorFactory equationSystem,
CNSFieldSet fieldSet,
CoordinateMapping parameterMap,
ISpeciesMap speciesMap,
IList <TimeStepConstraint> timeStepConstraints)
{
ImmersedSpeciesMap ibmSpeciesMap = speciesMap as ImmersedSpeciesMap;
if (ibmSpeciesMap == null)
{
throw new ArgumentException(
"Only supported for species maps of type 'ImmersedSpeciesMap'",
"speciesMap");
}
IBMOperatorFactory ibmFactory = equationSystem as IBMOperatorFactory;
if (ibmFactory == null)
{
throw new Exception();
}
CoordinateMapping variableMap = new CoordinateMapping(fieldSet.ConservativeVariables);
switch (strategy)
{
case TimesteppingStrategies.LieSplitting:
case TimesteppingStrategies.StrangSplitting:
return(new IBMSplitRungeKutta(
equationSystem.GetJoinedOperator().ToSpatialOperator(fieldSet),
ibmFactory.GetImmersedBoundaryOperator().ToSpatialOperator(fieldSet),
variableMap,
parameterMap,
ibmSpeciesMap,
timeStepConstraints));
case TimesteppingStrategies.MovingFrameFlux:
return(new IBMMovingFrameRungeKutta(
equationSystem.GetJoinedOperator().ToSpatialOperator(fieldSet),
ibmFactory.GetImmersedBoundaryOperator().ToSpatialOperator(fieldSet),
variableMap,
parameterMap,
ibmSpeciesMap,
timeStepConstraints));
default:
throw new System.NotImplementedException();
}
}