/// <summary>
///
/// </summary>
public void AssembleMatrix <T>(BlockMsrMatrix OpMatrix, double[] OpAffine,
UnsetteledCoordinateMapping RowMapping, UnsetteledCoordinateMapping ColMapping,
IEnumerable <T> CurrentState, Dictionary <SpeciesId, MultidimensionalArray> AgglomeratedCellLengthScales, double time,
int CutCellQuadOrder, VectorField <SinglePhaseField> SurfaceForce,
VectorField <SinglePhaseField> LevelSetGradient, SinglePhaseField ExternalyProvidedCurvature,
bool[] updateSolutionParams = null, DGField[] ExtParams = null) where T : DGField
{
//IEnumerable<T> CoupledCurrentState = null, IEnumerable<T> CoupledParams = null) where T : DGField {
// checks:
if (ColMapping.BasisS.Count != this.m_XOp.DomainVar.Count)
{
throw new ArgumentException();
}
if (RowMapping.BasisS.Count != this.m_XOp.CodomainVar.Count)
{
throw new ArgumentException();
}
int D = this.LsTrk.GridDat.SpatialDimension;
if (CurrentState != null && !config.solveEnergy && !config.solveHeat && CurrentState.Count() != (D + 1))
{
throw new ArgumentException();
}
if (OpMatrix == null && CurrentState == null)
{
throw new ArgumentException();
}
DGField[] U0;
if (CurrentState != null)
{
U0 = CurrentState.Take(D).ToArray();
}
else
{
U0 = null;
}
// parameter assembly
// ==================
#region param assembly
LevelSet Phi = (LevelSet)(this.LsTrk.LevelSets[0]);
SpeciesId[] SpcToCompute = AgglomeratedCellLengthScales.Keys.ToArray();
// linearization velocity:
DGField[] U0_U0mean;
if (this.U0meanrequired)
{
XDGBasis U0meanBasis = new XDGBasis(this.LsTrk, 0);
VectorField <XDGField> U0mean = new VectorField <XDGField>(D, U0meanBasis, "U0mean_", XDGField.Factory);
U0mean.Clear();
if (this.physParams.IncludeConvection)
{
ComputeAverageU(U0, U0mean, CutCellQuadOrder, LsTrk.GetXDGSpaceMetrics(SpcToCompute, CutCellQuadOrder, 1).XQuadSchemeHelper);
}
U0_U0mean = ArrayTools.Cat <DGField>(U0, U0mean);
}
else
{
U0_U0mean = new DGField[2 * D];
}
// linearization velocity:
//if (this.U0meanrequired) {
// VectorField<XDGField> U0mean = new VectorField<XDGField>(U0_U0mean.Skip(D).Take(D).Select(f => ((XDGField)f)).ToArray());
// U0mean.Clear();
// if (this.physParams.IncludeConvection)
// ComputeAverageU(U0, U0mean, CutCellQuadOrder, LsTrk.GetXDGSpaceMetrics(SpcToCompute, CutCellQuadOrder, 1).XQuadSchemeHelper);
//}
// normals:
SinglePhaseField[] Normals; // Normal vectors: length not normalized - will be normalized at each quad node within the flux functions.
if (this.NormalsRequired)
{
if (LevelSetGradient == null)
{
LevelSetGradient = new VectorField <SinglePhaseField>(D, Phi.Basis, SinglePhaseField.Factory);
LevelSetGradient.Gradient(1.0, Phi);
}
Normals = LevelSetGradient.ToArray();
}
else
{
Normals = new SinglePhaseField[D];
}
// curvature:
SinglePhaseField Curvature;
if (this.CurvatureRequired)
{
Curvature = ExternalyProvidedCurvature;
}
else
{
Curvature = null;
}
// velocity gradient vectors
var VelMap = new CoordinateMapping(U0);
DGField[] VelParam = VelMap.Fields.ToArray();
VectorField <DGField> GradVelX = new VectorField <DGField>(D, VelParam[0].Basis, "VelocityXGradient", XDGField.Factory);
for (int d = 0; d < D; d++)
{
foreach (var Spc in this.LsTrk.SpeciesIdS)
{
DGField f_Spc = ((VelParam[0] as XDGField).GetSpeciesShadowField(Spc));
SubGrid sf = this.LsTrk.Regions.GetSpeciesSubGrid(Spc);
(GradVelX[d] as XDGField).GetSpeciesShadowField(Spc).DerivativeByFlux(1.0, f_Spc, d, optionalSubGrid: sf);
}
}
GradVelX.ForEach(F => F.CheckForNanOrInf(true, true, true));
VectorField <DGField> GradVelY = new VectorField <DGField>(D, VelParam[0].Basis, "VelocityYGradient", XDGField.Factory);
for (int d = 0; d < D; d++)
{
foreach (var Spc in this.LsTrk.SpeciesIdS)
{
DGField f_Spc = ((VelParam[1] as XDGField).GetSpeciesShadowField(Spc));
SubGrid sf = this.LsTrk.Regions.GetSpeciesSubGrid(Spc);
(GradVelY[d] as XDGField).GetSpeciesShadowField(Spc).DerivativeByFlux(1.0, f_Spc, d, optionalSubGrid: sf);
}
}
GradVelY.ForEach(F => F.CheckForNanOrInf(true, true, true));
VectorField <DGField> GradVelXGradX = new VectorField <DGField>(D, VelParam[0].Basis, "VelocityXGradX_Gradient", XDGField.Factory);
for (int d = 0; d < D; d++)
{
foreach (var Spc in this.LsTrk.SpeciesIdS)
{
DGField f_Spc = ((GradVelX[0] as XDGField).GetSpeciesShadowField(Spc));
SubGrid sf = this.LsTrk.Regions.GetSpeciesSubGrid(Spc);
(GradVelXGradX[d] as XDGField).GetSpeciesShadowField(Spc).DerivativeByFlux(1.0, f_Spc, d, optionalSubGrid: sf);
}
}
GradVelXGradX.ForEach(F => F.CheckForNanOrInf(true, true, true));
VectorField <DGField> GradVelXGradY = new VectorField <DGField>(D, VelParam[0].Basis, "VelocityXGradY_Gradient", XDGField.Factory);
for (int d = 0; d < D; d++)
{
foreach (var Spc in this.LsTrk.SpeciesIdS)
{
DGField f_Spc = ((GradVelX[1] as XDGField).GetSpeciesShadowField(Spc));
SubGrid sf = this.LsTrk.Regions.GetSpeciesSubGrid(Spc);
(GradVelXGradY[d] as XDGField).GetSpeciesShadowField(Spc).DerivativeByFlux(1.0, f_Spc, d, optionalSubGrid: sf);
}
}
GradVelXGradY.ForEach(F => F.CheckForNanOrInf(true, true, true));
VectorField <DGField> GradVelYGradX = new VectorField <DGField>(D, VelParam[0].Basis, "VelocityYGradX_Gradient", XDGField.Factory);
for (int d = 0; d < D; d++)
{
foreach (var Spc in this.LsTrk.SpeciesIdS)
{
DGField f_Spc = ((GradVelY[0] as XDGField).GetSpeciesShadowField(Spc));
SubGrid sf = this.LsTrk.Regions.GetSpeciesSubGrid(Spc);
(GradVelYGradX[d] as XDGField).GetSpeciesShadowField(Spc).DerivativeByFlux(1.0, f_Spc, d, optionalSubGrid: sf);
}
}
GradVelYGradX.ForEach(F => F.CheckForNanOrInf(true, true, true));
VectorField <DGField> GradVelYGradY = new VectorField <DGField>(D, VelParam[0].Basis, "VelocityYGradY_Gradient", XDGField.Factory);
for (int d = 0; d < D; d++)
{
foreach (var Spc in this.LsTrk.SpeciesIdS)
{
DGField f_Spc = ((GradVelY[1] as XDGField).GetSpeciesShadowField(Spc));
SubGrid sf = this.LsTrk.Regions.GetSpeciesSubGrid(Spc);
(GradVelYGradY[d] as XDGField).GetSpeciesShadowField(Spc).DerivativeByFlux(1.0, f_Spc, d, optionalSubGrid: sf);
}
}
GradVelYGradY.ForEach(F => F.CheckForNanOrInf(true, true, true));
// pressure and gradient
var PressMap = new CoordinateMapping(CurrentState.ToArray()[D]);
DGField[] PressParam = PressMap.Fields.ToArray();
VectorField <DGField> PressGrad = new VectorField <DGField>(D, PressParam[0].Basis, "PressureGrad", XDGField.Factory);
for (int d = 0; d < D; d++)
{
foreach (var Spc in this.LsTrk.SpeciesIdS)
{
DGField f_Spc = ((PressParam[0] as XDGField).GetSpeciesShadowField(Spc));
SubGrid sf = this.LsTrk.Regions.GetSpeciesSubGrid(Spc);
(PressGrad[d] as XDGField).GetSpeciesShadowField(Spc).DerivativeByFlux(1.0, f_Spc, d, optionalSubGrid: sf);
}
}
PressGrad.ForEach(F => F.CheckForNanOrInf(true, true, true));
// gravity
var GravMap = new CoordinateMapping(ExtParams);
DGField[] GravParam = GravMap.Fields.ToArray();
// heat flux for evaporation
DGField[] HeatFluxParam = new DGField[D];
if (config.solveHeat)
{
if (config.conductMode == ConductivityInSpeciesBulk.ConductivityMode.SIP && updateSolutionParams[D + 1])
{
HeatFluxParam = new VectorField <XDGField>(D, CurrentState.ToArray()[D + 1].Basis, "HeatFlux0_", XDGField.Factory).ToArray();
Dictionary <string, double> kSpc = new Dictionary <string, double>();
kSpc.Add("A", -thermParams.k_A);
kSpc.Add("B", -thermParams.k_B);
XNSEUtils.ComputeGradientForParam(CurrentState.ToArray()[D + 1], HeatFluxParam, this.LsTrk, kSpc, this.LsTrk.Regions.GetCutCellSubGrid());
}
else if (config.conductMode != ConductivityInSpeciesBulk.ConductivityMode.SIP && updateSolutionParams[D + 2])
{
var HeatFluxMap = new CoordinateMapping(CurrentState.ToArray().GetSubVector(D + 2, D));
HeatFluxParam = HeatFluxMap.Fields.ToArray();
}
else
{
HeatFluxParam = storedParams.GetSubVector(2 * D + 4, D);
}
}
if (ExtParams != null)
{
HeatFluxParam = ExtParams;
}
#endregion
// concatenate everything
var Params = ArrayTools.Cat <DGField>(
U0_U0mean,
Normals,
Curvature,
((SurfaceForce != null) ? SurfaceForce.ToArray() : new SinglePhaseField[D]));
if (config.solveEnergy)
{
Params = ArrayTools.Cat <DGField>(Params.ToArray <DGField>(),
GradVelX,
GradVelY,
GradVelXGradX,
GradVelXGradY,
GradVelYGradX,
GradVelYGradY,
PressParam,
PressGrad,
GravMap);
}
if (config.solveHeat)
{
Params = ArrayTools.Cat <DGField>(Params.ToArray <DGField>(),
CurrentState.ToArray <DGField>().GetSubVector(D + 1, 1),
HeatFluxParam,
new SinglePhaseField[1]);
}
// store old params
for (int p = 0; p < Params.Length; p++)
{
if (Params[p] != null)
{
storedParams[p] = Params[p].CloneAs();
}
}
// advanced settings for the navier slip boundary condition
// ========================================================
CellMask SlipArea;
switch (this.dntParams.GNBC_Localization)
{
case NavierSlip_Localization.Bulk: {
SlipArea = this.LsTrk.GridDat.BoundaryCells.VolumeMask;
break;
}
case NavierSlip_Localization.ContactLine: {
SlipArea = null;
break;
}
case NavierSlip_Localization.Nearband: {
SlipArea = this.LsTrk.GridDat.BoundaryCells.VolumeMask.Intersect(this.LsTrk.Regions.GetNearFieldMask(this.LsTrk.NearRegionWidth));
break;
}
case NavierSlip_Localization.Prescribed: {
throw new NotImplementedException();
}
default:
throw new ArgumentException();
}
MultidimensionalArray SlipLengths;
SlipLengths = this.LsTrk.GridDat.Cells.h_min.CloneAs();
SlipLengths.Clear();
//SlipLengths.AccConstant(-1.0);
if (SlipArea != null)
{
foreach (Chunk cnk in SlipArea)
{
for (int i = cnk.i0; i < cnk.JE; i++)
{
switch (this.dntParams.GNBC_SlipLength)
{
case NavierSlip_SlipLength.hmin_DG: {
int degU = ColMapping.BasisS.ToArray()[0].Degree;
SlipLengths[i] = this.LsTrk.GridDat.Cells.h_min[i] / (degU + 1);
break;
}
case NavierSlip_SlipLength.hmin_Grid: {
SlipLengths[i] = SlipLengths[i] = this.LsTrk.GridDat.Cells.h_min[i];
break;
}
case NavierSlip_SlipLength.Prescribed_SlipLength: {
SlipLengths[i] = this.physParams.sliplength;
break;
}
case NavierSlip_SlipLength.Prescribed_Beta: {
SlipLengths[i] = -1.0;
break;
}
}
}
}
}
// interface coefficients
// ======================
MultidimensionalArray lambdaI, muI;
lambdaI = SlipLengths.CloneAs();
lambdaI.Clear();
muI = SlipLengths.CloneAs();
muI.Clear();
foreach (Chunk cnk in this.LsTrk.Regions.GetCutCellMask())
{
for (int i = cnk.i0; i < cnk.JE; i++)
{
double lI = 0.0;
double mI = 0.0;
// do the magic!!!
if (this.LsTrk.GridDat.Cells.CellCenter[i, 0] > 0 && this.LsTrk.GridDat.Cells.CellCenter[i, 1] > 0)
{
}
if (this.LsTrk.GridDat.Cells.CellCenter[i, 0] > 0 && this.LsTrk.GridDat.Cells.CellCenter[i, 1] < 0)
{
//lI = config.physParams.Sigma;
mI = config.physParams.Sigma;
}
if (this.LsTrk.GridDat.Cells.CellCenter[i, 0] < 0 && this.LsTrk.GridDat.Cells.CellCenter[i, 1] < 0)
{
//lI = -config.physParams.Sigma;
mI = -config.physParams.Sigma;
}
if (this.LsTrk.GridDat.Cells.CellCenter[i, 0] < 0 && this.LsTrk.GridDat.Cells.CellCenter[i, 1] > 0)
{
//lI = 10 * config.physParams.Sigma;
mI = 10 * config.physParams.Sigma;
}
lambdaI[i] = lI;
muI[i] = mI;
}
}
// assemble the matrix & affine vector
// ===================================
IDictionary <SpeciesId, MultidimensionalArray> InterfaceLengths = this.LsTrk.GetXDGSpaceMetrics(this.LsTrk.SpeciesIdS.ToArray(), CutCellQuadOrder).CutCellMetrics.InterfaceArea;
BitArray EvapMicroRegion = this.LsTrk.GridDat.GetBoundaryCells().GetBitMask();
EvapMicroRegion.SetAll(false);
// compute matrix
if (OpMatrix != null)
{
XSpatialOperatorMk2.XEvaluatorLinear mtxBuilder = this.m_XOp.GetMatrixBuilder(LsTrk, ColMapping, Params, RowMapping);
foreach (var kv in AgglomeratedCellLengthScales)
{
mtxBuilder.CellLengthScales[kv.Key] = kv.Value;
this.m_XOp.UserDefinedValues[this.LsTrk.GetSpeciesName(kv.Key)]["SlipLengths"] = SlipLengths;
this.m_XOp.UserDefinedValues[this.LsTrk.GetSpeciesName(kv.Key)]["EvapMicroRegion"] = EvapMicroRegion;
if (config.prescribedMassflux != null)
{
double[] dummyX = new double[] { 0.0, 0.0 };
this.m_XOp.UserDefinedValues[this.LsTrk.GetSpeciesName(kv.Key)]["prescribedMassflux"] = config.prescribedMassflux(dummyX, time);
}
}
if (this.m_XOp.SurfaceElementOperator.TotalNoOfComponents > 0)
{
foreach (var kv in InterfaceLengths)
{
this.m_XOp.UserDefinedValues[this.LsTrk.GetSpeciesName(kv.Key)]["InterfaceLengths"] = kv.Value;
this.m_XOp.UserDefinedValues[this.LsTrk.GetSpeciesName(kv.Key)]["lambda_interface"] = lambdaI;
this.m_XOp.UserDefinedValues[this.LsTrk.GetSpeciesName(kv.Key)]["mu_interface"] = muI;
}
}
mtxBuilder.time = time;
mtxBuilder.ComputeMatrix(OpMatrix, OpAffine);
}
else
{
XSpatialOperatorMk2.XEvaluatorNonlin eval = this.m_XOp.GetEvaluatorEx(this.LsTrk,
CurrentState.ToArray(), Params, RowMapping);
foreach (var kv in AgglomeratedCellLengthScales)
{
eval.CellLengthScales[kv.Key] = kv.Value;
this.m_XOp.UserDefinedValues[this.LsTrk.GetSpeciesName(kv.Key)]["SlipLengths"] = SlipLengths;
this.m_XOp.UserDefinedValues[this.LsTrk.GetSpeciesName(kv.Key)]["EvapMicroRegion"] = EvapMicroRegion;
if (config.prescribedMassflux != null)
{
double[] dummyX = new double[] { 0.0, 0.0 };
this.m_XOp.UserDefinedValues[this.LsTrk.GetSpeciesName(kv.Key)]["prescribedMassflux"] = config.prescribedMassflux(dummyX, time);
}
}
if (this.m_XOp.SurfaceElementOperator.TotalNoOfComponents > 0)
{
foreach (var kv in InterfaceLengths)
{
this.m_XOp.UserDefinedValues[this.LsTrk.GetSpeciesName(kv.Key)]["InterfaceLengths"] = kv.Value;
this.m_XOp.UserDefinedValues[this.LsTrk.GetSpeciesName(kv.Key)]["lambda_interface"] = lambdaI;
this.m_XOp.UserDefinedValues[this.LsTrk.GetSpeciesName(kv.Key)]["mu_interface"] = muI;
}
}
eval.time = time;
eval.Evaluate(1.0, 1.0, OpAffine);
}
}
/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="OpMatrix"></param>
/// <param name="OpAffine"></param>
/// <param name="RowMapping"></param>
/// <param name="ColMapping"></param>
/// <param name="CurrentState"></param>
/// <param name="AgglomeratedCellLengthScales"></param>
/// <param name="time"></param>
/// <param name="CutCellQuadOrder"></param>
/// <param name="SurfaceForce"></param>
/// <param name="LevelSetGradient"></param>
/// <param name="ExternalyProvidedCurvature"></param>
public void AssembleMatrix <T>(BlockMsrMatrix OpMatrix, double[] OpAffine,
UnsetteledCoordinateMapping RowMapping, UnsetteledCoordinateMapping ColMapping,
IEnumerable <T> CurrentState, Dictionary <SpeciesId, MultidimensionalArray> AgglomeratedCellLengthScales, double time,
int CutCellQuadOrder, VectorField <SinglePhaseField> SurfaceForce,
VectorField <SinglePhaseField> LevelSetGradient, SinglePhaseField ExternalyProvidedCurvature,
IEnumerable <T> CoupledCurrentState = null, IEnumerable <T> CoupledParams = null) where T : DGField
{
// checks:
if (ColMapping.BasisS.Count != this.m_XOp.DomainVar.Count)
{
throw new ArgumentException();
}
if (RowMapping.BasisS.Count != this.m_XOp.CodomainVar.Count)
{
throw new ArgumentException();
}
int D = this.LsTrk.GridDat.SpatialDimension;
if (CurrentState != null && CurrentState.Count() != (D + 1))
{
throw new ArgumentException();
}
if (OpMatrix == null && CurrentState == null)
{
throw new ArgumentException();
}
DGField[] U0;
if (CurrentState != null)
{
U0 = CurrentState.Take(D).ToArray();
}
else
{
U0 = null;
}
// advanced settings for the navier slip boundary condition
// ========================================================
CellMask SlipArea;
switch (this.dntParams.GNBC_Localization)
{
case NavierSlip_Localization.Bulk: {
SlipArea = this.LsTrk.GridDat.BoundaryCells.VolumeMask;
break;
}
case NavierSlip_Localization.ContactLine: {
SlipArea = null;
break;
}
case NavierSlip_Localization.Nearband: {
SlipArea = this.LsTrk.GridDat.BoundaryCells.VolumeMask.Intersect(this.LsTrk.Regions.GetNearFieldMask(this.LsTrk.NearRegionWidth));
break;
}
case NavierSlip_Localization.Prescribed: {
throw new NotImplementedException();
}
default:
throw new ArgumentException();
}
MultidimensionalArray SlipLengths;
SlipLengths = this.LsTrk.GridDat.Cells.h_min.CloneAs();
SlipLengths.Clear();
//SlipLengths.AccConstant(-1.0);
if (SlipArea != null)
{
foreach (Chunk cnk in SlipArea)
{
for (int i = cnk.i0; i < cnk.JE; i++)
{
switch (this.dntParams.GNBC_SlipLength)
{
case NavierSlip_SlipLength.hmin_DG: {
int degU = ColMapping.BasisS.ToArray()[0].Degree;
SlipLengths[i] = this.LsTrk.GridDat.Cells.h_min[i] / (degU + 1);
break;
}
case NavierSlip_SlipLength.hmin_Grid: {
SlipLengths[i] = SlipLengths[i] = this.LsTrk.GridDat.Cells.h_min[i];
break;
}
case NavierSlip_SlipLength.Prescribed_SlipLength: {
SlipLengths[i] = this.physParams.sliplength;
break;
}
case NavierSlip_SlipLength.Prescribed_Beta: {
SlipLengths[i] = -1.0;
break;
}
}
}
}
}
// parameter assembly
// ==================
LevelSet Phi = (LevelSet)(this.LsTrk.LevelSets[0]);
SpeciesId[] SpcToCompute = AgglomeratedCellLengthScales.Keys.ToArray();
// normals:
SinglePhaseField[] Normals; // Normal vectors: length not normalized - will be normalized at each quad node within the flux functions.
if (this.NormalsRequired)
{
if (LevelSetGradient == null)
{
LevelSetGradient = new VectorField <SinglePhaseField>(D, Phi.Basis, SinglePhaseField.Factory);
LevelSetGradient.Gradient(1.0, Phi);
}
Normals = LevelSetGradient.ToArray();
}
else
{
Normals = new SinglePhaseField[D];
}
// curvature:
SinglePhaseField Curvature;
if (this.CurvatureRequired)
{
Curvature = ExternalyProvidedCurvature;
}
else
{
Curvature = null;
}
// linearization velocity:
DGField[] U0_U0mean;
if (this.U0meanrequired)
{
XDGBasis U0meanBasis = new XDGBasis(this.LsTrk, 0);
VectorField <XDGField> U0mean = new VectorField <XDGField>(D, U0meanBasis, "U0mean_", XDGField.Factory);
U0_U0mean = ArrayTools.Cat <DGField>(U0, U0mean);
}
else
{
U0_U0mean = new DGField[2 * D];
}
// heat flux for evaporation
DGField[] HeatFluxParam = new DGField[D];
if (CoupledCurrentState != null)
{
if (CoupledCurrentState.ToArray().Length == 3)
{
var HeatFluxMap = new CoordinateMapping(CoupledCurrentState.ToArray().GetSubVector(1, D));
HeatFluxParam = HeatFluxMap.Fields.ToArray();
}
else if (CoupledCurrentState.ToArray().Length == 1)
{
HeatFluxParam = new VectorField <XDGField>(D, CoupledCurrentState.ToArray()[0].Basis, "HeatFlux0_", XDGField.Factory).ToArray();
Dictionary <string, double> kSpc = new Dictionary <string, double>();
kSpc.Add("A", -thermParams.k_A);
kSpc.Add("B", -thermParams.k_B);
XNSEUtils.ComputeGradientForParam(CoupledCurrentState.ToArray()[0], HeatFluxParam, this.LsTrk, kSpc);
}
else
{
throw new ArgumentException("wrong length of coupled current state");
}
}
// Temperature gradient for evaporation
//VectorField<DGField> GradTemp = new VectorField<DGField>(D, new XDGBasis(LsTrk, 0), XDGField.Factory);
//if (CoupledCurrentState != null) {
// DGField Temp = CoupledCurrentState.ToArray()[0];
// GradTemp = new VectorField<DGField>(D, Temp.Basis, "GradTemp", XDGField.Factory);
// XNSEUtils.ComputeGradientForParam(Temp, GradTemp, this.LsTrk);
//}
// concatenate everything
var Params = ArrayTools.Cat <DGField>(
U0_U0mean,
Normals,
Curvature,
((SurfaceForce != null) ? SurfaceForce.ToArray() : new SinglePhaseField[D]),
((CoupledCurrentState != null) ? CoupledCurrentState.ToArray <DGField>() : new SinglePhaseField[1]),
((CoupledCurrentState != null) ? HeatFluxParam : new SinglePhaseField[D]),
((CoupledCurrentState != null) ? CoupledParams.ToArray <DGField>() : new SinglePhaseField[1]));
// linearization velocity:
if (this.U0meanrequired)
{
VectorField <XDGField> U0mean = new VectorField <XDGField>(U0_U0mean.Skip(D).Take(D).Select(f => ((XDGField)f)).ToArray());
U0mean.Clear();
if (this.physParams.IncludeConvection)
{
ComputeAverageU(U0, U0mean, CutCellQuadOrder, LsTrk.GetXDGSpaceMetrics(SpcToCompute, CutCellQuadOrder, 1).XQuadSchemeHelper);
}
}
// assemble the matrix & affine vector
// ===================================
IDictionary <SpeciesId, MultidimensionalArray> InterfaceLengths = this.LsTrk.GetXDGSpaceMetrics(this.LsTrk.SpeciesIdS.ToArray(), CutCellQuadOrder).CutCellMetrics.InterfaceArea;
BitArray EvapMicroRegion = this.LsTrk.GridDat.GetBoundaryCells().GetBitMask();
EvapMicroRegion.SetAll(false);
// compute matrix
if (OpMatrix != null)
{
XSpatialOperatorMk2.XEvaluatorLinear mtxBuilder = this.m_XOp.GetMatrixBuilder(LsTrk, ColMapping, Params, RowMapping, SpcToCompute);
foreach (var kv in AgglomeratedCellLengthScales)
{
mtxBuilder.SpeciesOperatorCoefficients[kv.Key].CellLengthScales = kv.Value;
mtxBuilder.SpeciesOperatorCoefficients[kv.Key].UserDefinedValues.Add("SlipLengths", SlipLengths);
mtxBuilder.SpeciesOperatorCoefficients[kv.Key].UserDefinedValues.Add("EvapMicroRegion", EvapMicroRegion);
if (config.prescribedMassflux != null)
{
mtxBuilder.SpeciesOperatorCoefficients[kv.Key].UserDefinedValues.Add("prescribedMassflux", config.prescribedMassflux(time));
}
}
if (this.m_XOp.SurfaceElementOperator.TotalNoOfComponents > 0)
{
foreach (var kv in InterfaceLengths)
{
mtxBuilder.SpeciesOperatorCoefficients[kv.Key].UserDefinedValues.Add("InterfaceLengths", kv.Value);
}
}
mtxBuilder.time = time;
mtxBuilder.ComputeMatrix(OpMatrix, OpAffine);
}
else
{
XSpatialOperatorMk2.XEvaluatorNonlin eval = this.m_XOp.GetEvaluatorEx(this.LsTrk,
CurrentState.ToArray(), Params, RowMapping,
SpcToCompute);
foreach (var kv in AgglomeratedCellLengthScales)
{
eval.SpeciesOperatorCoefficients[kv.Key].CellLengthScales = kv.Value;
eval.SpeciesOperatorCoefficients[kv.Key].UserDefinedValues.Add("SlipLengths", SlipLengths);
eval.SpeciesOperatorCoefficients[kv.Key].UserDefinedValues.Add("EvapMicroRegion", EvapMicroRegion);
if (config.prescribedMassflux != null)
{
eval.SpeciesOperatorCoefficients[kv.Key].UserDefinedValues.Add("prescribedMassflux", config.prescribedMassflux(time));
}
}
if (this.m_XOp.SurfaceElementOperator.TotalNoOfComponents > 0)
{
foreach (var kv in InterfaceLengths)
{
eval.SpeciesOperatorCoefficients[kv.Key].UserDefinedValues.Add("InterfaceLengths", kv.Value);
}
}
eval.time = time;
eval.Evaluate(1.0, 1.0, OpAffine);
}
}
