protected override void ComputeChangeRate(double[] k, double AbsTime, double RelTime, double[] edgeFluxes = null)
{
using (new ilPSP.Tracing.FuncTrace()) {
RaiseOnBeforeComputechangeRate(AbsTime, RelTime);
Evaluator.time = AbsTime;
Evaluator.Evaluate(1.0, 0.0, k, outputBndEdge: edgeFluxes);
Debug.Assert(
!k.Any(f => double.IsNaN(f)),
"Unphysical flux in standard terms");
//k.SaveToTextFile("k-lts-bulk.txt");
boundaryEvaluator.Value.time = AbsTime;
boundaryEvaluator.Value.Evaluate(1.0, 1.0, k);
Debug.Assert(
!k.Any(f => double.IsNaN(f)),
"Unphysical flux in boundary terms");
// Agglomerate fluxes
speciesMap.Agglomerator.ManipulateRHS(k, Mapping);
// Apply inverse to all cells with non-identity mass matrix
IBMMassMatrixFactory massMatrixFactory = speciesMap.GetMassMatrixFactory(Mapping);
IBMUtility.SubMatrixSpMV(massMatrixFactory.InverseMassMatrix, 1.0, k, 0.0, k, cutAndTargetCells);
}
}
public override double Perform(double dt)
{
if (agglomerationPatternHasChanged)
{
// TO DO: Agglomerate difference between old $cutAndTargetCells and new $cutAndTargetCells only
BuildEvaluatorsAndMasks();
// Required whenever agglomeration pattern changes
SpeciesId speciesId = speciesMap.Tracker.GetSpeciesId(speciesMap.Control.FluidSpeciesName);
IBMMassMatrixFactory massMatrixFactory = speciesMap.GetMassMatrixFactory(Mapping);
BlockMsrMatrix nonAgglomeratedMassMatrix = massMatrixFactory.BaseFactory.GetMassMatrix(
Mapping,
new Dictionary <SpeciesId, IEnumerable <double> >()
{
{ speciesId, Enumerable.Repeat(1.0, Mapping.NoOfVariables) }
},
inverse: false);
IBMUtility.SubMatrixSpMV(nonAgglomeratedMassMatrix, 1.0, CurrentState, 0.0, CurrentState, cutCells);
speciesMap.Agglomerator.ManipulateRHS(CurrentState, Mapping);
IBMUtility.SubMatrixSpMV(massMatrixFactory.InverseMassMatrix, 1.0, CurrentState, 0.0, CurrentState, cutAndTargetCells);
speciesMap.Agglomerator.Extrapolate(CurrentState.Mapping);
//Broadcast to RungeKutta ???
}
dt = base.Perform(dt);
speciesMap.Agglomerator.Extrapolate(CurrentState.Mapping);
return(dt);
}
/// <summary>
/// Computes the change rates by sequentially evaluating the standard
/// and immersed boundary operators. Afterwards, the change rate is
/// agglomerated and multiplied by the inverse mass matrix (of the
/// agglomerated basis)
/// </summary>
protected override void ComputeChangeRate(double[] k, double AbsTime, double RelTime, double[] edgeFluxes = null)
{
using (new ilPSP.Tracing.FuncTrace()) {
RaiseOnBeforeComputechangeRate(AbsTime, RelTime);
//var CV = new CoordinateVector(Evaluator.DomainFields);
//double dist = Environment.CompareTo(CV);
//(new CoordinateVector(Evaluator.DomainFields)).SaveToTextFile("inp-rk.txt");
//(new CoordinateVector(Evaluator.Parameters.ToArray())).SaveToTextFile("para-rk.txt");
Evaluator.time = AbsTime + RelTime;
Evaluator.Evaluate(1.0, 0.0, k);
Debug.Assert(
!k.Any(f => double.IsNaN(f)),
"Unphysical flux in standard terms");
//k.SaveToTextFile("k-rk-bulk.txt");
boundaryEvaluator.Value.time = AbsTime + RelTime;
boundaryEvaluator.Value.Evaluate(1.0, 1.0, k);
Debug.Assert(
!k.Any(f => double.IsNaN(f)),
"Unphysical flux in boundary terms");
//k.SaveToTextFile("k-rk-bndy.txt");
// Agglomerate fluxes
speciesMap.Agglomerator.ManipulateRHS(k, Mapping);
// Apply inverse to all cells with non-identity mass matrix
IBMMassMatrixFactory massMatrixFactory = speciesMap.GetMassMatrixFactory(Mapping);
IBMUtility.SubMatrixSpMV(massMatrixFactory.InverseMassMatrix, 1.0, k, 0.0, k, cutAndTargetCells);
}
}
protected void AgglomerateAndExtrapolateDGCoordinates()
{
IBMMassMatrixFactory massMatrixFactory = speciesMap.GetMassMatrixFactory(Mapping);
BlockMsrMatrix nonAgglomeratedMassMatrix = massMatrixFactory.NonAgglomeratedMassMatrix;
IBMUtility.SubMatrixSpMV(nonAgglomeratedMassMatrix, 1.0, CurrentState, 0.0, CurrentState, cutCells); // eq. (39)
speciesMap.Agglomerator.ManipulateRHS(CurrentState, Mapping); // eq. (39)
IBMUtility.SubMatrixSpMV(massMatrixFactory.InverseMassMatrix, 1.0, CurrentState, 0.0, CurrentState, cutAndTargetCells); // eq. (39)
speciesMap.Agglomerator.Extrapolate(CurrentState.Mapping); // eq. (41)
}
//int count = 0;
/// <summary>
/// Computes the change rates by sequentially evaluating the standard
/// and immersed boundary operators. Afterwards, the change rate is
/// agglomerated and multiplied by the inverse mass matrix (of the
/// agglomerated basis)
/// </summary>
protected override void ComputeChangeRate(double[] k, double AbsTime, double RelTime, double[] edgeFluxes = null)
{
using (new ilPSP.Tracing.FuncTrace()) {
RaiseOnBeforeComputechangeRate(AbsTime, RelTime);
//var CV = new CoordinateVector(Evaluator.DomainFields);
//double dist = Environment.CompareTo(CV);
//(new CoordinateVector(Evaluator.DomainFields)).SaveToTextFile("inp-rk.txt");
//(new CoordinateVector(Evaluator.Parameters.ToArray())).SaveToTextFile("para-rk.txt");
Debug.Assert(Evaluator.DomainFields.Fields.ListEquals(boundaryEvaluator.Value.DomainFields.Fields, (a, b) => object.ReferenceEquals(b, a)));
//var cv = new CoordinateVector(Evaluator.DomainFields);
//Random r = new Random(666);
//for(int ir = 0; ir < cv.Length; ir++) {
// cv[ir] = r.NextDouble();
//}
Evaluator.time = AbsTime + RelTime;
Evaluator.Evaluate(1.0, 0.0, k);
Debug.Assert(
!k.Any(f => double.IsNaN(f)),
"Unphysical flux in standard terms");
//Console.WriteLine(String.Format("\nBULK: L2-Norm of change rate = {0}", k.L2Norm()));
//k.SaveToTextFile(String.Format("k_BULK_{0}.txt", count));
boundaryEvaluator.Value.time = AbsTime + RelTime;
boundaryEvaluator.Value.Evaluate(1.0, 1.0, k);
Debug.Assert(
!k.Any(f => double.IsNaN(f)),
"Unphysical flux in boundary terms");
//Console.WriteLine(String.Format("BOUNDARY: L2-Norm of change rate = {0}", k.L2Norm()));
//k.SaveToTextFile(String.Format("k_BOUND_{0}.txt", count));
// Agglomerate fluxes
speciesMap.Agglomerator.ManipulateRHS(k, Mapping);
// Apply inverse to all cells with non-identity mass matrix
IBMMassMatrixFactory massMatrixFactory = speciesMap.GetMassMatrixFactory(Mapping);
IBMUtility.SubMatrixSpMV(massMatrixFactory.InverseMassMatrix, 1.0, k, 0.0, k, cutAndTargetCells);
//massMatrixFactory.MassMatrix.SaveToTextFileSparse("massMatrix.txt");
//Console.WriteLine($"AGGLOMERATOR: L2-Norm of change rate = {k.L2Norm()}");
//k.SaveToTextFile($"k_CUT_{count}.txt");
//k.SaveToTextFile($"c:\\tmp\\cns_k_CUT_{count}.txt");
//count++;
}
}
/// <summary>
/// Computes the change rates by sequentially evaluating the standard
/// and immersed boundary operators. Afterwards, the change rate is
/// agglomerated and multiplied by the inverse mass matrix (of the
/// agglomerated basis)
/// </summary>
/// <param name="k"></param>
/// <param name="AbsTime"></param>
/// <param name="RelTime"></param>
protected override void ComputeChangeRate(double[] k, double AbsTime, double RelTime, double[] edgeFluxes = null)
{
Evaluator.Evaluate(1.0, 0.0, k, AbsTime + RelTime);
Debug.Assert(
!k.Any(f => double.IsNaN(f)),
"Unphysical flux in standard terms");
boundaryEvaluator.Value.Evaluate(1.0, 1.0, k, AbsTime + RelTime);
Debug.Assert(
!k.Any(f => double.IsNaN(f)),
"Unphysical flux in boundary terms");
// Agglomerate fluxes
speciesMap.Agglomerator.ManipulateRHS(k, Mapping);
// Apply inverse to all cells with non-identity mass matrix
IBMMassMatrixFactory massMatrixFactory = speciesMap.GetMassMatrixFactory(Mapping);
IBMUtility.SubMatrixSpMV(massMatrixFactory.InverseMassMatrix, 1.0, k, 0.0, k, cutAndTargetCells);
}