protected XdgTimesteppingBase(
Control.NonLinearSolverConfig nonlinconfig,
Control.LinearSolverConfig linearconfig)
{
XdgSolverFactory = new SolverFactory(nonlinconfig, linearconfig);
m_nonlinconfig = nonlinconfig;
m_linearconfig = linearconfig;
}
/// <summary>
/// Constructor;
/// </summary>
/// <param name="Fields"></param>
/// <param name="IterationResiduals"></param>
/// <param name="LsTrk"></param>
/// <param name="_ComputeOperatorMatrix">See <see cref="ComputeOperatorMatrix"/>.</param>
/// <param name="_UpdateLevelset">See <see cref="UpdateLevelset"/>.</param>
/// <param name="BDForder">
/// The order of the BDF scheme from 1 to 6; in addition, 0 encodes Explicit Euler and -1 encodes Crank-Nicolson.
/// </param>
/// <param name="_LevelSetHandling"></param>
/// <param name="_MassMatrixShapeandDependence"></param>
/// <param name="_SpatialOperatorType"></param>
/// <param name="_MassScale"></param>
/// <param name="_AgglomerationThreshold"></param>
/// <param name="_RKscheme"></param>
/// <param name="useX">
/// U dont want to know!
/// </param>
/// <param name="_MultigridSequence"></param>
/// <param name="_CutCellQuadOrder">Order of quadrature in cut cells, required e.g. for <see cref="LevelSetTracker.GetXDGSpaceMetrics(SpeciesId[], int, int)"/></param>
/// <param name="_SpId">Species to compute, actually a subset of <see cref="LevelSetTracker.SpeciesIdS"/></param>
/// <param name="_MultigridOperatorConfig">
/// Configuration of block-preconditioner, if null a default value is chosen.
/// </param>
public XdgRKTimestepping(DGField[] Fields,
DGField[] IterationResiduals,
LevelSetTracker LsTrk,
DelComputeOperatorMatrix _ComputeOperatorMatrix,
DelUpdateLevelset _UpdateLevelset,
RungeKuttaScheme _RKscheme,
LevelSetHandling _LevelSetHandling,
MassMatrixShapeandDependence _MassMatrixShapeandDependence,
SpatialOperatorType _SpatialOperatorType,
IDictionary <SpeciesId, IEnumerable <double> > _MassScale,
MultigridOperator.ChangeOfBasisConfig[][] _MultigridOperatorConfig,
AggregationGridData[] _MultigridSequence,
SpeciesId[] _SpId,
int _CutCellQuadOrder,
double _AgglomerationThreshold, bool useX,
Control.NonLinearSolverConfig nonlinconfig,
Control.LinearSolverConfig linearconfig) : base(nonlinconfig, linearconfig)
{
// check args, set internals
// -------------------------
if (Fields.Length != IterationResiduals.Length)
{
throw new ArgumentException("Expecting the same number of fields and residuals.");
}
for (int iFld = 0; iFld < Fields.Length; iFld++)
{
if (!Fields[iFld].Basis.Equals(IterationResiduals[iFld].Basis))
{
throw new ArgumentException(string.Format("Mismatch between {0}-th basis of fields and residuals.", iFld));
}
}
if (_MassScale != null)
{
if (!IEnumerableExtensions.SetEquals(_SpId, _MassScale.Keys))
{
throw new ArgumentException();
}
}
base.Residuals = new CoordinateVector(IterationResiduals);
if (!(_RKscheme.IsExplicit || _RKscheme.IsDiagonallyImplicit))
{
throw new NotSupportedException("Only supporting explicit or diagonally implicit schemes.");
}
base.m_LsTrk = LsTrk;
base.Config_LevelSetHandling = _LevelSetHandling;
base.Config_MassMatrixShapeandDependence = _MassMatrixShapeandDependence;
base.Config_SpatialOperatorType = _SpatialOperatorType;
base.ComputeOperatorMatrix = _ComputeOperatorMatrix;
base.UpdateLevelset = _UpdateLevelset;
base.Config_MassScale = _MassScale;
base.Config_AgglomerationThreshold = _AgglomerationThreshold;
this.m_RKscheme = _RKscheme.CloneAs();
base.MultigridSequence = _MultigridSequence;
base.Config_SpeciesToCompute = _SpId;
base.Config_CutCellQuadratureOrder = _CutCellQuadOrder;
if (_MultigridSequence == null || _MultigridSequence.Length < 1)
{
throw new ArgumentException("At least one grid level is required.");
}
m_CurrentState = new CoordinateVector(Fields);
if (_MultigridOperatorConfig != null)
{
Config_MultigridOperator = _MultigridOperatorConfig;
}
else
{
SetConfig_MultigridOperator_Default(Fields);
}
base.CommonConfigurationChecks();
// configure stack of level-set-tracker
// ------------------------------------
if (Config_LevelSetHandling == LevelSetHandling.None)
{
m_LsTrk.IncreaseHistoryLength(0);
}
else if (Config_LevelSetHandling == LevelSetHandling.LieSplitting ||
Config_LevelSetHandling == LevelSetHandling.StrangSplitting)
{
m_LsTrk.IncreaseHistoryLength(1);
}
else
{
m_LsTrk.IncreaseHistoryLength(m_RKscheme.Stages);
}
//m_LsTrk.IncreaseHistoryLength(1);
// multigrid - init
// ----------------
InitMultigrid(Fields, useX);
}
