public OperatorFactoryMk2(
OperatorConfigurationMk2 config,
LevelSetTracker _LsTrk,
int _HMFdegree,
int degU,
IncompressibleMultiphaseBoundaryCondMap BcMap,
bool _movingmesh,
bool _evaporation)
{
// variable names
// ==============
D = _LsTrk.GridDat.SpatialDimension;
this.LsTrk = _LsTrk;
this.HMFDegree = _HMFdegree;
this.dntParams = config.dntParams.CloneAs();
this.physParams = config.physParams.CloneAs();
this.UseExtendedVelocity = config.UseXDG4Velocity;
this.movingmesh = _movingmesh;
this.evaporation = _evaporation;
// test input
// ==========
{
if (config.DomBlocks.GetLength(0) != 2 || config.CodBlocks.GetLength(0) != 2)
{
throw new ArgumentException();
}
if (config.physParams.mu_A == 0.0 && config.physParams.mu_B == 0.0)
{
muIs0 = true;
}
else
{
if (config.physParams.mu_A <= 0)
{
throw new ArgumentException();
}
if (config.physParams.mu_B <= 0)
{
throw new ArgumentException();
}
}
if (config.physParams.rho_A <= 0)
{
throw new ArgumentException();
}
if (config.physParams.rho_B <= 0)
{
throw new ArgumentException();
}
if (_LsTrk.SpeciesNames.Count != 2)
{
throw new ArgumentException();
}
if (!(_LsTrk.SpeciesNames.Contains("A") && _LsTrk.SpeciesNames.Contains("B")))
{
throw new ArgumentException();
}
}
// full operator:
CodName = ((new string[] { "momX", "momY", "momZ" }).GetSubVector(0, D)).Cat("div");
Params = ArrayTools.Cat(
VariableNames.Velocity0Vector(D),
VariableNames.Velocity0MeanVector(D),
"Curvature",
(new string[] { "surfForceX", "surfForceY", "surfForceZ" }).GetSubVector(0, D),
(new string[] { "NX", "NY", "NZ" }).GetSubVector(0, D),
(new string[] { "GradTempX", "GradTempY", "GradTempZ" }.GetSubVector(0, D)),
VariableNames.Temperature,
"DisjoiningPressure");
DomName = ArrayTools.Cat(VariableNames.VelocityVector(D), VariableNames.Pressure);
// selected part:
if (config.CodBlocks[0])
{
CodNameSelected = ArrayTools.Cat(CodNameSelected, CodName.GetSubVector(0, D));
}
if (config.CodBlocks[1])
{
CodNameSelected = ArrayTools.Cat(CodNameSelected, CodName.GetSubVector(D, 1));
}
if (config.DomBlocks[0])
{
DomNameSelected = ArrayTools.Cat(DomNameSelected, DomName.GetSubVector(0, D));
}
if (config.DomBlocks[1])
{
DomNameSelected = ArrayTools.Cat(DomNameSelected, DomName.GetSubVector(D, 1));
}
muA = config.physParams.mu_A;
muB = config.physParams.mu_B;
rhoA = config.physParams.rho_A;
rhoB = config.physParams.rho_B;
sigma = config.physParams.Sigma;
MatInt = !evaporation;
double kA = config.thermParams.k_A;
double kB = config.thermParams.k_B;
double hVapA = config.thermParams.hVap_A;
double hVapB = config.thermParams.hVap_B;
double Tsat = config.thermParams.T_sat;
double R_int = 0.0;
//double T_intMin = 0.0;
if (evaporation)
{
double f = config.thermParams.fc;
double R = config.thermParams.Rc;
//double pc = config.thermParams.pc;
if (config.thermParams.hVap_A > 0 && config.thermParams.hVap_B < 0)
{
R_int = ((2.0 - f) / (2 * f)) * Tsat * Math.Sqrt(2 * Math.PI * R * Tsat) / (rhoB * hVapA.Pow2());
//T_intMin = Tsat * (1 + (pc / (rhoA * hVapA.Pow2())));
}
else if (config.thermParams.hVap_A < 0 && config.thermParams.hVap_B > 0)
{
R_int = ((2.0 - f) / (2 * f)) * Tsat * Math.Sqrt(2 * Math.PI * R * Tsat) / (rhoA * hVapB.Pow2());
//T_intMin = Tsat * (1 + (pc / (rhoB * hVapB.Pow2())));
}
this.CurvatureRequired = true;
}
double p_c = config.thermParams.pc;
// create Operator
// ===============
m_OP = new XSpatialOperatorMk2(DomNameSelected, Params, CodNameSelected, (A, B, C) => _HMFdegree, this.LsTrk.SpeciesIdS.ToArray());
// build the operator
// ==================
{
// Momentum equation
// =================
if (config.physParams.IncludeConvection && config.Transport)
{
for (int d = 0; d < D; d++)
{
var comps = m_OP.EquationComponents[CodName[d]];
double LFFA = config.dntParams.LFFA;
double LFFB = config.dntParams.LFFB;
//var conv = new Operator.Convection.ConvectionInBulk_LLF(D, BcMap, d, rhoA, rhoB, LFFA, LFFB, LsTrk);
//comps.Add(conv); // Bulk component
for (int spc = 0; spc < LsTrk.TotalNoOfSpecies; spc++)
{
double rhoSpc = 0.0;
double LFFSpc = 0.0;
switch (LsTrk.SpeciesNames[spc])
{
case "A": rhoSpc = rhoA; LFFSpc = LFFA; break;
case "B": rhoSpc = rhoB; LFFSpc = LFFB; break;
default: throw new ArgumentException("Unknown species.");
}
var conv = new Operator.Convection.ConvectionInSpeciesBulk_LLF(D, BcMap, LsTrk.SpeciesNames[spc], LsTrk.SpeciesIdS[spc], d, rhoSpc, LFFSpc, LsTrk);
comps.Add(conv); // Bulk component
}
comps.Add(new Operator.Convection.ConvectionAtLevelSet_LLF(d, D, LsTrk, rhoA, rhoB, LFFA, LFFB, config.physParams.Material, BcMap, movingmesh)); // LevelSet component
if (evaporation)
{
comps.Add(new Operator.Convection.GeneralizedConvectionAtLevelSet_DissipativePart(d, D, LsTrk, rhoA, rhoB, LFFA, LFFB, BcMap, kA, kB, hVapA, hVapB, R_int, Tsat, sigma, p_c));
}
}
this.U0meanrequired = true;
}
// pressure gradient
// =================
if (config.PressureGradient)
{
for (int d = 0; d < D; d++)
{
var comps = m_OP.EquationComponents[CodName[d]];
//var pres = new Operator.Pressure.PressureInBulk(d, BcMap);
//comps.Add(pres);
for (int spc = 0; spc < LsTrk.TotalNoOfSpecies; spc++)
{
var pres = new Operator.Pressure.PressureInSpeciesBulk(d, BcMap, LsTrk.SpeciesNames[spc], LsTrk.SpeciesIdS[spc]);
comps.Add(pres);
}
var presLs = new Operator.Pressure.PressureFormAtLevelSet(d, D, LsTrk); //, dntParams.UseWeightedAverages, muA, muB);
comps.Add(presLs);
}
}
// viscous operator
// ================
if (config.Viscous && !muIs0)
{
for (int d = 0; d < D; d++)
{
var comps = m_OP.EquationComponents[CodName[d]];
double penalty = dntParams.PenaltySafety;
switch (dntParams.ViscosityMode)
{
case ViscosityMode.Standard: {
// Bulk operator:
var Visc = new Operator.Viscosity.ViscosityInBulk_GradUTerm(
dntParams.UseGhostPenalties ? 0.0 : penalty, 1.0,
BcMap, d, D, muA, muB); // , _betaA: this.physParams.betaS_A, _betaB: this.physParams.betaS_B);
comps.Add(Visc);
if (dntParams.UseGhostPenalties)
{
var ViscPenalty = new Operator.Viscosity.ViscosityInBulk_GradUTerm(penalty * 1.0, 0.0, BcMap, d, D, muA, muB);
m_OP.GhostEdgesOperator.EquationComponents[CodName[d]].Add(ViscPenalty);
}
// Level-Set operator:
comps.Add(new Operator.Viscosity.ViscosityAtLevelSet_Standard(LsTrk, muA, muB, penalty * 1.0, d, true));
break;
}
case ViscosityMode.TransposeTermMissing: {
// Bulk operator:
var Visc = new Operator.Viscosity.ViscosityInBulk_GradUTerm(
dntParams.UseGhostPenalties ? 0.0 : penalty, 1.0,
BcMap, d, D, muA, muB);
comps.Add(Visc);
if (dntParams.UseGhostPenalties)
{
var ViscPenalty = new Operator.Viscosity.ViscosityInBulk_GradUTerm(penalty * 1.0, 0.0, BcMap, d, D, muA, muB);
m_OP.GhostEdgesOperator.EquationComponents[CodName[d]].Add(ViscPenalty);
}
// Level-Set operator:
comps.Add(new Operator.Viscosity.ViscosityAtLevelSet_Standard(LsTrk, muA, muB, penalty * 1.0, d, false));
break;
}
case ViscosityMode.FullySymmetric: {
// Bulk operator
for (int spc = 0; spc < LsTrk.TotalNoOfSpecies; spc++)
{
var Visc1 = new Operator.Viscosity.ViscosityInSpeciesBulk_GradUTerm(
dntParams.UseGhostPenalties ? 0.0 : penalty, 1.0,
BcMap, LsTrk.SpeciesNames[spc], LsTrk.SpeciesIdS[spc], d, D, muA, muB);
comps.Add(Visc1);
var Visc2 = new Operator.Viscosity.ViscosityInSpeciesBulk_GradUtranspTerm(
dntParams.UseGhostPenalties ? 0.0 : penalty, 1.0,
BcMap, LsTrk.SpeciesNames[spc], LsTrk.SpeciesIdS[spc], d, D, muA, muB);
comps.Add(Visc2);
}
if (dntParams.UseGhostPenalties)
{
var Visc1Penalty = new Operator.Viscosity.ViscosityInBulk_GradUTerm(
penalty, 0.0,
BcMap, d, D, muA, muB);
var Visc2Penalty = new Operator.Viscosity.ViscosityInBulk_GradUtranspTerm(
penalty, 0.0,
BcMap, d, D, muA, muB);
m_OP.GhostEdgesOperator.EquationComponents[CodName[d]].Add(Visc1Penalty);
m_OP.GhostEdgesOperator.EquationComponents[CodName[d]].Add(Visc2Penalty);
}
// Level-Set operator
comps.Add(new Operator.Viscosity.ViscosityAtLevelSet_FullySymmetric(LsTrk, muA, muB, penalty, d, dntParams.UseWeightedAverages));
if (this.evaporation)
{
comps.Add(new Operator.Viscosity.GeneralizedViscosityAtLevelSet_FullySymmetric(LsTrk, muA, muB, penalty, d, rhoA, rhoB, kA, kB, hVapA, R_int, Tsat, sigma, p_c));
}
break;
}
default:
throw new NotImplementedException();
}
}
}
// Continuum equation
// ==================
if (config.continuity)
{
for (int d = 0; d < D; d++)
{
//var src = new Operator.Continuity.DivergenceInBulk_Volume(d, D, rhoA, rhoB, config.dntParams.ContiSign, config.dntParams.RescaleConti);
//var flx = new Operator.Continuity.DivergenceInBulk_Edge(d, BcMap, rhoA, rhoB, config.dntParams.ContiSign, config.dntParams.RescaleConti);
//m_OP.EquationComponents["div"].Add(flx);
//m_OP.EquationComponents["div"].Add(src);
for (int spc = 0; spc < LsTrk.TotalNoOfSpecies; spc++)
{
double rhoSpc = 0.0;
switch (LsTrk.SpeciesNames[spc])
{
case "A": rhoSpc = rhoA; break;
case "B": rhoSpc = rhoB; break;
default: throw new ArgumentException("Unknown species.");
}
var src = new Operator.Continuity.DivergenceInSpeciesBulk_Volume(d, D, LsTrk.SpeciesIdS[spc], rhoSpc, config.dntParams.ContiSign, config.dntParams.RescaleConti);
var flx = new Operator.Continuity.DivergenceInSpeciesBulk_Edge(d, BcMap, LsTrk.SpeciesNames[spc], LsTrk.SpeciesIdS[spc], rhoSpc, config.dntParams.ContiSign, config.dntParams.RescaleConti);
m_OP.EquationComponents["div"].Add(flx);
m_OP.EquationComponents["div"].Add(src);
}
}
var divPen = new Operator.Continuity.DivergenceAtLevelSet(D, LsTrk, rhoA, rhoB, MatInt, config.dntParams.ContiSign, config.dntParams.RescaleConti); //, dntParams.UseWeightedAverages, muA, muB);
m_OP.EquationComponents["div"].Add(divPen);
if (evaporation)
{
var divPenGen = new Operator.Continuity.GeneralizedDivergenceAtLevelSet(D, LsTrk, rhoA, rhoB, config.dntParams.ContiSign, config.dntParams.RescaleConti, kA, kB, hVapA, R_int, Tsat, sigma, p_c);
m_OP.EquationComponents["div"].Add(divPenGen);
}
}
// surface tension
// ===============
if (config.PressureGradient && config.physParams.Sigma != 0.0)
{
// isotropic part of the surface stress tensor
if (config.dntParams.SST_isotropicMode == SurfaceStressTensor_IsotropicMode.LaplaceBeltrami_Flux ||
config.dntParams.SST_isotropicMode == SurfaceStressTensor_IsotropicMode.LaplaceBeltrami_Local ||
config.dntParams.SST_isotropicMode == SurfaceStressTensor_IsotropicMode.LaplaceBeltrami_ContactLine)
{
for (int d = 0; d < D; d++)
{
if (config.dntParams.SST_isotropicMode != SurfaceStressTensor_IsotropicMode.LaplaceBeltrami_ContactLine)
{
IEquationComponent G = new SurfaceTension_LaplaceBeltrami_Surface(d, config.physParams.Sigma * 0.5);
IEquationComponent H = new SurfaceTension_LaplaceBeltrami_BndLine(d, config.physParams.Sigma * 0.5, config.dntParams.SST_isotropicMode == SurfaceStressTensor_IsotropicMode.LaplaceBeltrami_Flux);
m_OP.SurfaceElementOperator.EquationComponents[CodName[d]].Add(G);
m_OP.SurfaceElementOperator.EquationComponents[CodName[d]].Add(H);
}
else
{
IEquationComponent isoSurfT = new IsotropicSurfaceTension_LaplaceBeltrami(d, D, config.physParams.Sigma * 0.5, BcMap.EdgeTag2Type, config.physParams.theta_e, config.physParams.betaL);
m_OP.SurfaceElementOperator.EquationComponents[CodName[d]].Add(isoSurfT);
}
}
this.NormalsRequired = true;
}
else if (config.dntParams.SST_isotropicMode == SurfaceStressTensor_IsotropicMode.Curvature_Projected ||
config.dntParams.SST_isotropicMode == SurfaceStressTensor_IsotropicMode.Curvature_ClosestPoint ||
config.dntParams.SST_isotropicMode == SurfaceStressTensor_IsotropicMode.Curvature_LaplaceBeltramiMean ||
config.dntParams.SST_isotropicMode == SurfaceStressTensor_IsotropicMode.Curvature_Fourier)
{
for (int d = 0; d < D; d++)
{
m_OP.EquationComponents[CodName[d]].Add(new CurvatureBasedSurfaceTension(d, D, LsTrk, config.physParams.Sigma));
}
this.CurvatureRequired = true;
}
else
{
throw new NotImplementedException("Not implemented.");
}
// dynamic part
if (config.dntParams.SurfStressTensor != SurfaceSressTensor.Isotropic)
{
double muI = config.physParams.mu_I;
double lamI = config.physParams.lambda_I;
double penalty_base = (degU + 1) * (degU + D) / D;
double penalty = penalty_base * dntParams.PenaltySafety;
// surface shear viscosity
if (config.dntParams.SurfStressTensor == SurfaceSressTensor.SurfaceRateOfDeformation ||
config.dntParams.SurfStressTensor == SurfaceSressTensor.SemiImplicit ||
config.dntParams.SurfStressTensor == SurfaceSressTensor.FullBoussinesqScriven)
{
for (int d = 0; d < D; d++)
{
var surfDeformRate = new BoussinesqScriven_SurfaceDeformationRate_GradU(d, muI * 0.5, penalty);
m_OP.SurfaceElementOperator.EquationComponents[CodName[d]].Add(surfDeformRate);
if (config.dntParams.SurfStressTensor != SurfaceSressTensor.SemiImplicit)
{
var surfDeformRateT = new BoussinesqScriven_SurfaceDeformationRate_GradUTranspose(d, muI * 0.5, penalty);
m_OP.SurfaceElementOperator.EquationComponents[CodName[d]].Add(surfDeformRateT);
}
}
}
// surface dilatational viscosity
if (config.dntParams.SurfStressTensor == SurfaceSressTensor.SurfaceVelocityDivergence ||
config.dntParams.SurfStressTensor == SurfaceSressTensor.FullBoussinesqScriven)
{
for (int d = 0; d < D; d++)
{
var surfVelocDiv = new BoussinesqScriven_SurfaceVelocityDivergence(d, muI * 0.5, lamI * 0.5, penalty, BcMap.EdgeTag2Type);
m_OP.SurfaceElementOperator.EquationComponents[CodName[d]].Add(surfVelocDiv);
}
}
}
// stabilization
if (config.dntParams.UseLevelSetStabilization)
{
for (int d = 0; d < D; d++)
{
m_OP.EquationComponents[CodName[d]].Add(new LevelSetStabilization(d, D, LsTrk));
}
}
}
// surface force term
// ==================
if (config.PressureGradient && config.physParams.useArtificialSurfaceForce)
{
for (int d = 0; d < D; d++)
{
m_OP.EquationComponents[CodName[d]].Add(new SurfaceTension_ArfForceSrc(d, D, LsTrk));
}
}
// evaporation (mass flux)
// =======================
if (evaporation)
{
for (int d = 0; d < D; d++)
{
m_OP.EquationComponents[CodName[d]].Add(new Operator.DynamicInterfaceConditions.MassFluxAtInterface(d, D, LsTrk, rhoA, rhoB, kA, kB, hVapA, R_int, Tsat, sigma, p_c));
}
}
}
// Finalize
// ========
m_OP.Commit();
}
static string[] BndFunctions(IGridData g)
{
int D = g.SpatialDimension;
return(ArrayTools.Cat(VariableNames.VelocityVector(D), VariableNames.Temperature, "HeatFlux"));
}
protected override void CreateEquationsAndSolvers(GridUpdateDataVaultBase L)
{
using (FuncTrace tr = new FuncTrace()) {
this.BcMap = new IncompressibleBoundaryCondMap(this.GridData, grid.GetBoundaryConfig(), PhysicsMode.Incompressible);
// assemble system, create matrix
// ------------------------------
int D = GridData.SpatialDimension;
//double penalty_base = ((double)((U[0].Basis.Degree + 1) * (U[0].Basis.Degree + D))) / ((double)D);
double penalty_base = 1.0;
double penalty_factor = 1.2;
// equation assembly
// -----------------
string[] CodNames = D.ForLoop(i => "C" + i);
Operator = new SpatialOperator(VariableNames.VelocityVector(D), new string[] { VariableNames.ViscosityMolecular }, CodNames, QuadOrderFunc.Linear());
for (int d = 0; d < D; d++)
{
if ((this.whichTerms & Terms.T1) != 0)
{
var flx1 = new swipViscosity_Term1(penalty_base * penalty_factor, d, D, BcMap, ViscosityOption.VariableViscosity);
flx1.g_Diri_Override = this.solution.U;
flx1.g_Neu_Override = this.solution.dU;
Operator.EquationComponents[CodNames[d]].Add(flx1);
}
if ((this.whichTerms & Terms.T2) != 0)
{
var flx2 = new swipViscosity_Term2(penalty_base * penalty_factor, d, D, BcMap, ViscosityOption.VariableViscosity);
flx2.g_Diri_Override = this.solution.U;
flx2.g_Neu_Override = this.solution.dU;
Operator.EquationComponents[CodNames[d]].Add(flx2);
}
if ((this.whichTerms & Terms.T3) != 0)
{
var flx3 = new swipViscosity_Term3(penalty_base * penalty_factor, d, D, BcMap, ViscosityOption.VariableViscosity);
flx3.g_Diri_Override = this.solution.U;
flx3.g_Neu_Override = this.solution.dU;
Operator.EquationComponents[CodNames[d]].Add(flx3);
}
} // */
Operator.Commit();
var map = this.U.Mapping;
OperatorMtx = new MsrMatrix(map, map);
Operator.ComputeMatrixEx(map, new DGField[] { this.mu }, map,
OperatorMtx, this.bnd.CoordinateVector,
volQuadScheme: null, edgeQuadScheme: null);
// test for matrix symmetry
// ========================
if (base.MPISize == 1)
{
double MatrixAssymmetry = OperatorMtx.SymmetryDeviation();
Console.WriteLine("Matrix asymmetry: " + MatrixAssymmetry);
Assert.LessOrEqual(Math.Abs(MatrixAssymmetry), 1.0e-10);
}
}
}
protected override SpatialOperator GetOperatorInstance(int D)
{
// create operator
// ===============
{
double _D = D;
double penalty_base = (phi.Basis.Degree + 1) * (phi.Basis.Degree + _D) / _D;
// Get this from where?
double penalty_factor = this.Control.penalty_poisson * penalty_base;
//BoundaryCondMap<BoundaryType> PoissonBcMap = new BoundaryCondMap<BoundaryType>(this.GridData, this.Control.BoundaryValues, "T");
MultidimensionalArray LengthScales;
if (this.GridData is GridData)
{
LengthScales = ((GridData)this.GridData).Cells.cj;
}
else if (this.GridData is AggregationGridData)
{
LengthScales = ((AggregationGridData)this.GridData).AncestorGrid.Cells.cj;
}
else
{
throw new NotImplementedException();
}
m_bcMap = new BoundaryCondMap <BoundaryType>(this.GridData, BoundaryTranslator(ParentControl.BoundaryValues), "phi");
#region variables
//create Parameter and Variablelists
string[] paramVar = VariableNames.VelocityVector(D).Cat("phi0");
string[] domainVar = new string[] { "phi" };
string[] codomainVar = new string[] { "Res_phi" };
switch (this.Control.ModTyp)
{
case PhasefieldControl.ModelType.modelA:
break;
case PhasefieldControl.ModelType.modelB:
domainVar = domainVar.Cat("mu");
codomainVar = codomainVar.Cat("Res_mu");
break;
case PhasefieldControl.ModelType.modelC:
default:
throw new NotImplementedException();
break;
}
switch (this.Control.CurvatureCorrectionType)
{
case PhasefieldControl.CurvatureCorrection.FullyCoupled:
domainVar = domainVar.Cat(VariableNames.Curvature);
codomainVar = codomainVar.Cat("Res_" + VariableNames.Curvature);
break;
case PhasefieldControl.CurvatureCorrection.DirectCoupledIterative:
case PhasefieldControl.CurvatureCorrection.DirectCoupledOnce:
domainVar = domainVar.Cat(VariableNames.Curvature);
codomainVar = codomainVar.Cat("Res_" + VariableNames.Curvature);
paramVar = paramVar.Cat("D" + VariableNames.Curvature);
break;
case PhasefieldControl.CurvatureCorrection.None:
default:
break;
}
#endregion
CHOp = new SpatialOperator(
domainVar,
paramVar,
codomainVar,
(DomainVariableDegrees, ParameterDegrees, CodomainVariableDegrees) => 4 * DomainVariableDegrees[0] //QuadOrderFunc.NonLinear(3)
);
CHOp.ParameterUpdates.Add(CompleteParameterUpdate);
CHOp.ParameterFactories.Add(AllocateParameters);
#region equation components
// convection term
CHOp.EquationComponents["Res_phi"].Add(
new phi_Flux(D, m_bcMap)
);
switch (this.Control.ModTyp)
{
case PhasefieldControl.ModelType.modelA:
CHOp.EquationComponents["Res_phi"].Add(
new phi_Source(this.Control.diff)
);
CHOp.EquationComponents["Res_phi"].Add(
new mu_Diffusion(D, penalty_factor, LengthScales, this.Control.cahn * this.Control.diff.Sqrt(), m_bcMap)
);
switch (this.Control.CurvatureCorrectionType)
{
case PhasefieldControl.CurvatureCorrection.FullyCoupled:
CHOp.EquationComponents["Res_phi"].Add(
new phi_CurvatureCorrection(D, this.Control.cahn * this.Control.diff.Sqrt())
);
CHOp.EquationComponents["Res_" + VariableNames.Curvature].Add(
new curvature_Source(D)
);
CHOp.EquationComponents["Res_" + VariableNames.Curvature].Add(
new curvature_Divergence(D, penalty_factor, 0.001 / this.Control.cahn, LengthScales)
);
break;
case PhasefieldControl.CurvatureCorrection.DirectCoupledIterative:
case PhasefieldControl.CurvatureCorrection.DirectCoupledOnce:
CHOp.EquationComponents["Res_phi"].Add(
new phi_CurvatureCorrection(D, this.Control.cahn * this.Control.diff.Sqrt())
);
CHOp.EquationComponents["Res_" + VariableNames.Curvature].Add(
new curvature_Direct(D)
);
break;
case PhasefieldControl.CurvatureCorrection.None:
default:
break;
}
break;
case PhasefieldControl.ModelType.modelB:
CHOp.EquationComponents["Res_phi"].Add(
new phi_Diffusion(D, penalty_factor, LengthScales, this.Control.diff, this.Control.lambda, m_bcMap)
);
CHOp.EquationComponents["Res_mu"].Add(
new mu_Diffusion(D, penalty_factor, LengthScales, this.Control.cahn, m_bcMap)
);
CHOp.EquationComponents["Res_mu"].Add(
new mu_Source()
);
switch (this.Control.CurvatureCorrectionType)
{
case PhasefieldControl.CurvatureCorrection.FullyCoupled:
CHOp.EquationComponents["Res_mu"].Add(
new phi_CurvatureCorrection(D, this.Control.cahn)
);
CHOp.EquationComponents["Res_" + VariableNames.Curvature].Add(
new curvature_Source(D)
);
CHOp.EquationComponents["Res_" + VariableNames.Curvature].Add(
new curvature_Divergence(D, penalty_factor, 0.001 / this.Control.cahn, LengthScales)
);
break;
case PhasefieldControl.CurvatureCorrection.DirectCoupledIterative:
case PhasefieldControl.CurvatureCorrection.DirectCoupledOnce:
CHOp.EquationComponents["Res_mu"].Add(
new phi_CurvatureCorrection(D, this.Control.cahn)
);
CHOp.EquationComponents["Res_" + VariableNames.Curvature].Add(
new curvature_Direct(D)
);
break;
case PhasefieldControl.CurvatureCorrection.None:
default:
break;
}
break;
case PhasefieldControl.ModelType.modelC:
throw new NotImplementedException();
break;
default:
throw new ArgumentOutOfRangeException();
break;
}
#endregion
// temporal derivative
double[] MassScales = new double[domainVar.Length];
MassScales[0] = 1.0;
CHOp.TemporalOperator = new ConstantTemporalOperator(CHOp, MassScales);
CHOp.LinearizationHint = LinearizationHint.GetJacobiOperator;
CHOp.Commit();
return(CHOp);
}
}
/// <summary>
/// ctor for the operator factory, where the equation compnents are set
/// </summary>
/// <param name="config"></param>
/// <param name="_LsTrk"></param>
/// <param name="_HMFdegree"></param>
/// <param name="BcMap"></param>
/// <param name="degU"></param>
public XNSE_OperatorFactory(IXNSE_Configuration config, LevelSetTracker _LsTrk, int _HMFdegree, IncompressibleMultiphaseBoundaryCondMap BcMap, int degU)
{
this.LsTrk = _LsTrk;
this.D = _LsTrk.GridDat.SpatialDimension;
this.HMFDegree = _HMFdegree;
this.physParams = config.getPhysParams;
this.dntParams = config.getDntParams;
// test input
// ==========
{
if (config.getDomBlocks.GetLength(0) != 2 || config.getCodBlocks.GetLength(0) != 2)
{
throw new ArgumentException();
}
if ((config.getPhysParams.mu_A <= 0) && (config.getPhysParams.mu_B <= 0))
{
config.isViscous = false;
}
else
{
if ((config.getPhysParams.mu_A <= 0) || (config.getPhysParams.mu_B <= 0))
{
throw new ArgumentException();
}
}
if ((config.getPhysParams.rho_A <= 0) || (config.getPhysParams.rho_B <= 0))
{
throw new ArgumentException();
}
if (_LsTrk.SpeciesNames.Count != 2)
{
throw new ArgumentException();
}
if (!(_LsTrk.SpeciesNames.Contains("A") && _LsTrk.SpeciesNames.Contains("B")))
{
throw new ArgumentException();
}
}
// full operator:
// ==============
CodName = ArrayTools.Cat(EquationNames.MomentumEquations(D), EquationNames.ContinuityEquation);
Params = ArrayTools.Cat(
VariableNames.Velocity0Vector(D),
VariableNames.Velocity0MeanVector(D),
VariableNames.NormalVector(D),
VariableNames.Curvature,
VariableNames.SurfaceForceVector(D)
);
DomName = ArrayTools.Cat(VariableNames.VelocityVector(D), VariableNames.Pressure);
// selected part:
if (config.getCodBlocks[0])
{
CodNameSelected = ArrayTools.Cat(CodNameSelected, CodName.GetSubVector(0, D));
}
if (config.getCodBlocks[1])
{
CodNameSelected = ArrayTools.Cat(CodNameSelected, CodName.GetSubVector(D, 1));
}
if (config.getDomBlocks[0])
{
DomNameSelected = ArrayTools.Cat(DomNameSelected, DomName.GetSubVector(0, D));
}
if (config.getDomBlocks[1])
{
DomNameSelected = ArrayTools.Cat(DomNameSelected, DomName.GetSubVector(D, 1));
}
// create Operator
// ===============
m_XOp = new XSpatialOperatorMk2(DomNameSelected, Params, CodNameSelected, (A, B, C) => _HMFdegree, this.LsTrk.SpeciesIdS.ToArray());
// add components
// ==============
// species bulk components
for (int spc = 0; spc < LsTrk.TotalNoOfSpecies; spc++)
{
// Navier Stokes equations
XOperatorComponentsFactory.AddSpeciesNSE(m_XOp, config, D, LsTrk.SpeciesNames[spc], LsTrk.SpeciesIdS[spc], BcMap, LsTrk, out U0meanrequired);
// continuity equation
if (config.isContinuity)
{
XOperatorComponentsFactory.AddSpeciesContinuityEq(m_XOp, config, D, LsTrk.SpeciesNames[spc], LsTrk.SpeciesIdS[spc], BcMap);
}
}
// interface components
XOperatorComponentsFactory.AddInterfaceNSE(m_XOp, config, D, BcMap, LsTrk); // surface stress tensor
XOperatorComponentsFactory.AddSurfaceTensionForce(m_XOp, config, D, BcMap, LsTrk, degU, out NormalsRequired, out CurvatureRequired); // surface tension force
if (config.isContinuity)
{
XOperatorComponentsFactory.AddInterfaceContinuityEq(m_XOp, config, D, LsTrk); // continuity equation
}
m_XOp.Commit();
}
public OperatorFactory(
OperatorConfiguration config,
LevelSetTracker _LsTrk,
int _HMFdegree,
int degU,
IncompressibleMultiphaseBoundaryCondMap BcMap,
bool _movingmesh,
bool _evaporation,
bool _staticInt)
{
// variable names
// ==============
D = _LsTrk.GridDat.SpatialDimension;
this.LsTrk = _LsTrk;
//this.momentFittingVariant = momentFittingVariant;
this.HMFDegree = _HMFdegree;
this.dntParams = config.dntParams.CloneAs();
this.physParams = config.physParams.CloneAs();
this.UseExtendedVelocity = config.UseXDG4Velocity;
this.movingmesh = _movingmesh;
this.evaporation = _evaporation;
// test input
// ==========
{
if (config.DomBlocks.GetLength(0) != 2 || config.CodBlocks.GetLength(0) != 2)
{
throw new ArgumentException();
}
if (config.physParams.mu_A == 0.0 && config.physParams.mu_B == 0.0)
{
muIs0 = true;
}
else
{
if (config.physParams.mu_A <= 0)
{
throw new ArgumentException();
}
if (config.physParams.mu_B <= 0)
{
throw new ArgumentException();
}
}
if (config.physParams.rho_A <= 0)
{
throw new ArgumentException();
}
if (config.physParams.rho_B <= 0)
{
throw new ArgumentException();
}
if (_LsTrk.SpeciesNames.Count != 2)
{
throw new ArgumentException();
}
if (!(_LsTrk.SpeciesNames.Contains("A") && _LsTrk.SpeciesNames.Contains("B")))
{
throw new ArgumentException();
}
}
// full operator:
CodName = ((new string[] { "momX", "momY", "momZ" }).GetSubVector(0, D)).Cat("div");
Params = ArrayTools.Cat(
VariableNames.Velocity0Vector(D),
VariableNames.Velocity0MeanVector(D),
"Curvature",
(new string[] { "surfForceX", "surfForceY", "surfForceZ" }).GetSubVector(0, D),
(new string[] { "NX", "NY", "NZ" }).GetSubVector(0, D),
(new string[] { "GradTempX", "GradTempY", "GradTempZ" }.GetSubVector(0, D)),
VariableNames.Temperature,
"DisjoiningPressure");
DomName = ArrayTools.Cat(VariableNames.VelocityVector(D), VariableNames.Pressure);
// selected part:
if (config.CodBlocks[0])
{
CodNameSelected = ArrayTools.Cat(CodNameSelected, CodName.GetSubVector(0, D));
}
if (config.CodBlocks[1])
{
CodNameSelected = ArrayTools.Cat(CodNameSelected, CodName.GetSubVector(D, 1));
}
if (config.DomBlocks[0])
{
DomNameSelected = ArrayTools.Cat(DomNameSelected, DomName.GetSubVector(0, D));
}
if (config.DomBlocks[1])
{
DomNameSelected = ArrayTools.Cat(DomNameSelected, DomName.GetSubVector(D, 1));
}
muA = config.physParams.mu_A;
muB = config.physParams.mu_B;
rhoA = config.physParams.rho_A;
rhoB = config.physParams.rho_B;
sigma = config.physParams.Sigma;
MatInt = !evaporation;
double kA = 0.0;
double kB = 0.0;
double hVapA = 0.0;
double hVapB = 0.0;
double Tsat = 0.0;
double R_int = 0.0;
double p_c = 0.0;
if (evaporation)
{
kA = config.thermParams.k_A;
kB = config.thermParams.k_B;
hVapA = config.thermParams.hVap_A;
hVapB = config.thermParams.hVap_B;
Tsat = config.thermParams.T_sat;
p_c = config.thermParams.pc;
//double T_intMin = 0.0;
double f = config.thermParams.fc;
double R = config.thermParams.Rc;
//double pc = config.thermParams.pc;
if (config.thermParams.hVap_A > 0 && config.thermParams.hVap_B < 0)
{
R_int = ((2.0 - f) / (2 * f)) * Tsat * Math.Sqrt(2 * Math.PI * R * Tsat) / (rhoB * hVapA.Pow2());
//T_intMin = Tsat * (1 + (pc / (rhoA * hVapA.Pow2())));
}
else if (config.thermParams.hVap_A < 0 && config.thermParams.hVap_B > 0)
{
R_int = ((2.0 - f) / (2 * f)) * Tsat * Math.Sqrt(2 * Math.PI * R * Tsat) / (rhoA * hVapB.Pow2());
//T_intMin = Tsat * (1 + (pc / (rhoB * hVapB.Pow2())));
}
this.CurvatureRequired = true;
}
//if (!MatInt)
// throw new NotSupportedException("Non-Material interface is NOT tested!");
// create Operator
// ===============
m_OP = new XSpatialOperator(DomNameSelected, Params, CodNameSelected, (A, B, C) => _HMFdegree);
// build the operator
// ==================
{
// Momentum equation
// =================
if (config.physParams.IncludeConvection && config.Transport)
{
for (int d = 0; d < D; d++)
{
var comps = m_OP.EquationComponents[CodName[d]];
// convective part:
// variante 1:
double LFFA = config.dntParams.LFFA;
double LFFB = config.dntParams.LFFB;
var conv = new Operator.Convection.ConvectionInBulk_LLF(D, BcMap, d, rhoA, rhoB, LFFA, LFFB, LsTrk);
comps.Add(conv); // Bulk component
comps.Add(new Operator.Convection.ConvectionAtLevelSet_LLF(d, D, LsTrk, rhoA, rhoB, LFFA, LFFB, config.physParams.Material, BcMap, movingmesh)); // LevelSet component
//comps.Add(new Operator.Convection.ConvectionAtLevelSet_weightedLLF(d, D, LsTrk, rhoA, rhoB, LFFA, LFFB, BcMap, movingmesh)); // LevelSet component
if (evaporation)
{
//comps.Add(new Operator.Convection.ConvectionAtLevelSet_Divergence(d, D, LsTrk, rhoA, rhoB, config.dntParams.ContiSign, config.dntParams.RescaleConti, kA, kB, hVapA, R_int, Tsat, sigma, p_c));
//comps.Add(new Operator.Convection.ConvectionAtLevelSet_nonMaterialLLF(d, D, LsTrk, rhoA, rhoB, kA, kB, hVapA, R_int, Tsat, sigma, p_c));
//comps.Add(new Operator.Convection.ConvectionAtLevelSet_nonMaterial(d, D, LsTrk, rhoA, rhoB, kA, kB, hVapA, R_int, Tsat, sigma, p_c));
}
// variante 3:
//var convA = new LocalConvection(D, d, rhoA, rhoB, this.config.varMode, LsTrk);
//XOP.OnIntegratingBulk += convA.SetParameter;
//comps.Add(convA);
//////var convB = new LocalConvection2(D, d, rhoA, rhoB, varMode, LsTrk); // macht Bum-Bum!
////XOP.OnIntegratingBulk += convB.SetParameter;
////comps.Add(convB);
}
this.U0meanrequired = true;
}
// pressure gradient
// =================
if (config.PressureGradient)
{
for (int d = 0; d < D; d++)
{
var comps = m_OP.EquationComponents[CodName[d]];
var pres = new Operator.Pressure.PressureInBulk(d, BcMap);
comps.Add(pres);
//if (!MatInt)
// throw new NotSupportedException("New Style pressure coupling does not support non-material interface.");
var presLs = new Operator.Pressure.PressureFormAtLevelSet(d, D, LsTrk); //, dntParams.UseWeightedAverages, muA, muB);
comps.Add(presLs);
//if (evaporation) {
// var presLSGen = new Operator.Pressure.GeneralizedPressureFormAtLevelSet(d, D, LsTrk, config.thermParams.p_sat, hVapA);
// comps.Add(presLSGen);
//}
}
}
// viscous operator
// ================
if (config.Viscous && !muIs0)
{
for (int d = 0; d < D; d++)
{
var comps = m_OP.EquationComponents[CodName[d]];
// viscous part:
//double _D = D;
//double penalty_mul = dntParams.PenaltySafety;
//double _p = degU;
//double penalty_base = (_p + 1) * (_p + _D) / _D;
//double penalty = penalty_base * penalty_mul;
double penalty = dntParams.PenaltySafety;
switch (dntParams.ViscosityMode)
{
case ViscosityMode.Standard: {
// Bulk operator:
var Visc = new Operator.Viscosity.ViscosityInBulk_GradUTerm(
dntParams.UseGhostPenalties ? 0.0 : penalty, 1.0,
BcMap, d, D, muA, muB); // , _betaA: this.physParams.betaS_A, _betaB: this.physParams.betaS_B);
comps.Add(Visc);
if (dntParams.UseGhostPenalties)
{
var ViscPenalty = new Operator.Viscosity.ViscosityInBulk_GradUTerm(penalty * 1.0, 0.0, BcMap, d, D, muA, muB);
m_OP.GhostEdgesOperator.EquationComponents[CodName[d]].Add(ViscPenalty);
}
// Level-Set operator:
comps.Add(new Operator.Viscosity.ViscosityAtLevelSet_Standard(LsTrk, muA, muB, penalty * 1.0, d, true));
break;
}
case ViscosityMode.TransposeTermMissing: {
// Bulk operator:
var Visc = new Operator.Viscosity.ViscosityInBulk_GradUTerm(
dntParams.UseGhostPenalties ? 0.0 : penalty, 1.0,
BcMap, d, D, muA, muB);
comps.Add(Visc);
if (dntParams.UseGhostPenalties)
{
var ViscPenalty = new Operator.Viscosity.ViscosityInBulk_GradUTerm(penalty * 1.0, 0.0, BcMap, d, D, muA, muB);
m_OP.GhostEdgesOperator.EquationComponents[CodName[d]].Add(ViscPenalty);
}
// Level-Set operator:
comps.Add(new Operator.Viscosity.ViscosityAtLevelSet_Standard(LsTrk, muA, muB, penalty * 1.0, d, false));
break;
}
case ViscosityMode.ExplicitTransformation: {
// Bulk operator
var Visc = new Operator.Viscosity.ViscosityInBulk_GradUTerm(
dntParams.UseGhostPenalties ? 0.0 : penalty, 1.0,
BcMap, d, D, muA, muB);
comps.Add(Visc);
if (dntParams.UseGhostPenalties)
{
var ViscPenalty = new Operator.Viscosity.ViscosityInBulk_GradUTerm(penalty * 1.0, 0.0, BcMap, d, D, muA, muB);
m_OP.GhostEdgesOperator.EquationComponents[CodName[d]].Add(ViscPenalty);
}
//Level-Set operator:
//comps.Add(new Operator.Viscosity.ViscosityAtLevelSet_Explicit(d, D, LsTrk, penalty, muA, muB));
throw new NotSupportedException("Beim refact rausgeflogen, braucht eh kein Mensch. fk, 08jan16.");
//break;
}
case ViscosityMode.FullySymmetric: {
// Bulk operator
var Visc1 = new Operator.Viscosity.ViscosityInBulk_GradUTerm(
dntParams.UseGhostPenalties ? 0.0 : penalty, 1.0,
BcMap, d, D, muA, muB, _betaA: this.physParams.betaS_A, _betaB: this.physParams.betaS_B);
var Visc2 = new Operator.Viscosity.ViscosityInBulk_GradUtranspTerm(
dntParams.UseGhostPenalties ? 0.0 : penalty, 1.0,
BcMap, d, D, muA, muB, _betaA: this.physParams.betaS_A, _betaB: this.physParams.betaS_B);
//var Visc3 = new Operator.Viscosity.ViscosityInBulk_divTerm(dntParams.UseGhostPenalties ? 0.0 : penalty, 1.0, BcMap, d, D, muA, muB);
comps.Add(Visc1);
comps.Add(Visc2);
//comps.Add(Visc3);
if (dntParams.UseGhostPenalties)
{
var Visc1Penalty = new Operator.Viscosity.ViscosityInBulk_GradUTerm(
penalty, 0.0,
BcMap, d, D, muA, muB);
var Visc2Penalty = new Operator.Viscosity.ViscosityInBulk_GradUtranspTerm(
penalty, 0.0,
BcMap, d, D, muA, muB);
//var Visc3Penalty = new Operator.Viscosity.ViscosityInBulk_divTerm(
// penalty, 0.0,
// BcMap, d, D, muA, muB);
//m_OP.OnIntegratingBulk += Visc3Penalty.SetParameter;
m_OP.GhostEdgesOperator.EquationComponents[CodName[d]].Add(Visc1Penalty);
m_OP.GhostEdgesOperator.EquationComponents[CodName[d]].Add(Visc2Penalty);
//m_OP.AndresHint.EquationComponents[CodName[d]].Add(Visc3Penalty);
}
// Level-Set operator
comps.Add(new Operator.Viscosity.ViscosityAtLevelSet_FullySymmetric(LsTrk, muA, muB, penalty, d, _staticInt, dntParams.UseWeightedAverages));
if (this.evaporation)
{
comps.Add(new Operator.Viscosity.GeneralizedViscosityAtLevelSet_FullySymmetric(LsTrk, muA, muB, penalty, d, rhoA, rhoB, kA, kB, hVapA, R_int, Tsat, sigma, p_c));
}
break;
}
default:
throw new NotImplementedException();
}
}
}
// Continuum equation
// ==================
if (config.continuity)
{
for (int d = 0; d < D; d++)
{
var src = new Operator.Continuity.DivergenceInBulk_Volume(d, D, rhoA, rhoB, config.dntParams.ContiSign, config.dntParams.RescaleConti);
var flx = new Operator.Continuity.DivergenceInBulk_Edge(d, BcMap, rhoA, rhoB, config.dntParams.ContiSign, config.dntParams.RescaleConti);
m_OP.EquationComponents["div"].Add(flx);
m_OP.EquationComponents["div"].Add(src);
}
var divPen = new Operator.Continuity.DivergenceAtLevelSet(D, LsTrk, rhoA, rhoB, MatInt, config.dntParams.ContiSign, config.dntParams.RescaleConti, _staticInt); //, dntParams.UseWeightedAverages, muA, muB);
m_OP.EquationComponents["div"].Add(divPen);
if (evaporation)
{
var divPenGen = new Operator.Continuity.GeneralizedDivergenceAtLevelSet(D, LsTrk, rhoA, rhoB, config.dntParams.ContiSign, config.dntParams.RescaleConti, kA, kB, hVapA, R_int, Tsat, sigma, p_c);
m_OP.EquationComponents["div"].Add(divPenGen);
}
//// pressure stabilization
//if (this.config.PressureStab) {
// Console.WriteLine("Pressure Stabilization active.");
//var pStabi = new PressureStabilization(0.0001, 0.0001);
// m_OP.OnIntegratingBulk += pStabi.SetParameter;
// m_OP.EquationComponents["div"].Add(pStabi);
////var pStabiLS = new PressureStabilizationAtLevelSet(D, LsTrk, rhoA, muA, rhoB, muB, sigma, this.config.varMode, MatInt);
// //XOP.EquationComponents["div"].Add(pStabiLS);
//} else {
// Console.WriteLine("Pressure Stabilization INACTIVE.");
//}
}
// surface tension
// ===============
if (config.PressureGradient && config.physParams.Sigma != 0.0)
{
// isotropic part of the surface stress tensor
if (config.dntParams.SST_isotropicMode == SurfaceStressTensor_IsotropicMode.LaplaceBeltrami_Flux ||
config.dntParams.SST_isotropicMode == SurfaceStressTensor_IsotropicMode.LaplaceBeltrami_Local ||
config.dntParams.SST_isotropicMode == SurfaceStressTensor_IsotropicMode.LaplaceBeltrami_ContactLine)
{
for (int d = 0; d < D; d++)
{
if (config.dntParams.SST_isotropicMode != SurfaceStressTensor_IsotropicMode.LaplaceBeltrami_ContactLine)
{
IEquationComponent G = new SurfaceTension_LaplaceBeltrami_Surface(d, config.physParams.Sigma * 0.5);
IEquationComponent H = new SurfaceTension_LaplaceBeltrami_BndLine(d, config.physParams.Sigma * 0.5, config.dntParams.SST_isotropicMode == SurfaceStressTensor_IsotropicMode.LaplaceBeltrami_Flux);
m_OP.SurfaceElementOperator.EquationComponents[CodName[d]].Add(G);
m_OP.SurfaceElementOperator.EquationComponents[CodName[d]].Add(H);
}
else
{
//G = new SurfaceTension_LaplaceBeltrami2_Surface(d, config.physParams.Sigma * 0.5);
//H = new SurfaceTension_LaplaceBeltrami2_BndLine(d, config.physParams.Sigma * 0.5, config.physParams.Theta_e, config.physParams.betaL);
IEquationComponent isoSurfT = new IsotropicSurfaceTension_LaplaceBeltrami(d, D, config.physParams.Sigma * 0.5, BcMap.EdgeTag2Type, BcMap, config.physParams.theta_e, config.physParams.betaL, _staticInt);
m_OP.SurfaceElementOperator.EquationComponents[CodName[d]].Add(isoSurfT);
}
}
this.NormalsRequired = true;
}
else if (config.dntParams.SST_isotropicMode == SurfaceStressTensor_IsotropicMode.Curvature_Projected ||
config.dntParams.SST_isotropicMode == SurfaceStressTensor_IsotropicMode.Curvature_ClosestPoint ||
config.dntParams.SST_isotropicMode == SurfaceStressTensor_IsotropicMode.Curvature_LaplaceBeltramiMean ||
config.dntParams.SST_isotropicMode == SurfaceStressTensor_IsotropicMode.Curvature_Fourier)
{
for (int d = 0; d < D; d++)
{
m_OP.EquationComponents[CodName[d]].Add(new CurvatureBasedSurfaceTension(d, D, LsTrk, config.physParams.Sigma));
}
this.CurvatureRequired = true;
/*
* Console.WriteLine("REM: hack in Operator factory");
* for(int d = 0; d < D; d++) {
* //var G = new SurfaceTension_LaplaceBeltrami_Surface(d, config.physParams.Sigma * 0.5);
* var H = new SurfaceTension_LaplaceBeltrami_BndLine(d, config.physParams.Sigma * 0.5, config.dntParams.surfTensionMode == SurfaceTensionMode.LaplaceBeltrami_Flux);
*
* //m_OP.SurfaceElementOperator.EquationComponents[CodName[d]].Add(G);
* m_OP.SurfaceElementOperator.EquationComponents[CodName[d]].Add(H);
* }
*
* this.NormalsRequired = true;
*/
}
else
{
throw new NotImplementedException("Not implemented.");
}
// dynamic part
if (config.dntParams.SurfStressTensor != SurfaceSressTensor.Isotropic)
{
double muI = config.physParams.mu_I;
double lamI = config.physParams.lambda_I;
double penalty_base = (degU + 1) * (degU + D) / D;
double penalty = penalty_base * dntParams.PenaltySafety;
// surface shear viscosity
if (config.dntParams.SurfStressTensor == SurfaceSressTensor.SurfaceRateOfDeformation ||
config.dntParams.SurfStressTensor == SurfaceSressTensor.SemiImplicit ||
config.dntParams.SurfStressTensor == SurfaceSressTensor.FullBoussinesqScriven)
{
for (int d = 0; d < D; d++)
{
var surfDeformRate = new BoussinesqScriven_SurfaceDeformationRate_GradU(d, muI * 0.5, penalty);
m_OP.SurfaceElementOperator.EquationComponents[CodName[d]].Add(surfDeformRate);
//m_OP.OnIntegratingSurfaceElement += surfDeformRate.SetParameter;
if (config.dntParams.SurfStressTensor != SurfaceSressTensor.SemiImplicit)
{
var surfDeformRateT = new BoussinesqScriven_SurfaceDeformationRate_GradUTranspose(d, muI * 0.5, penalty);
m_OP.SurfaceElementOperator.EquationComponents[CodName[d]].Add(surfDeformRateT);
//m_OP.OnIntegratingSurfaceElement += surfDeformRateT.SetParameter;
}
}
}
// surface dilatational viscosity
if (config.dntParams.SurfStressTensor == SurfaceSressTensor.SurfaceVelocityDivergence ||
config.dntParams.SurfStressTensor == SurfaceSressTensor.FullBoussinesqScriven)
{
for (int d = 0; d < D; d++)
{
var surfVelocDiv = new BoussinesqScriven_SurfaceVelocityDivergence(d, muI * 0.5, lamI * 0.5, penalty, BcMap.EdgeTag2Type);
m_OP.SurfaceElementOperator.EquationComponents[CodName[d]].Add(surfVelocDiv);
//m_OP.OnIntegratingSurfaceElement += surfVelocDiv.SetParameter;
}
}
}
// stabilization
if (config.dntParams.UseLevelSetStabilization)
{
for (int d = 0; d < D; d++)
{
m_OP.EquationComponents[CodName[d]].Add(new LevelSetStabilization(d, D, LsTrk));
}
}
}
// surface force term
// ==================
if (config.PressureGradient && config.physParams.useArtificialSurfaceForce)
{
for (int d = 0; d < D; d++)
{
m_OP.EquationComponents[CodName[d]].Add(new SurfaceTension_ArfForceSrc(d, D, LsTrk));
}
}
// evaporation (mass flux)
// =======================
if (evaporation)
{
for (int d = 0; d < D; d++)
{
m_OP.EquationComponents[CodName[d]].Add(new Operator.DynamicInterfaceConditions.MassFluxAtInterface(d, D, LsTrk, rhoA, rhoB, kA, kB, hVapA, R_int, Tsat, sigma, p_c));
}
}
}
// Finalize
// ========
m_OP.Commit();
}
/// <summary>
/// ctor for the operator factory, where the equation compnents are set
/// </summary>
/// <param name="_config"></param>
/// <param name="_LsTrk"></param>
/// <param name="_HMFdegree"></param>
/// <param name="BcMap"></param>
/// <param name="thermBcMap"></param>
/// <param name="degU"></param>
public XNSFE_OperatorFactory(XNSFE_OperatorConfiguration _config, LevelSetTracker _LsTrk, int _HMFdegree,
IncompressibleMultiphaseBoundaryCondMap BcMap, ThermalMultiphaseBoundaryCondMap thermBcMap, int degU, IDictionary <SpeciesId, IEnumerable <double> > MassScale)
{
this.config = _config;
this.LsTrk = _LsTrk;
this.D = _LsTrk.GridDat.SpatialDimension;
this.HMFDegree = _HMFdegree;
this.physParams = config.getPhysParams;
this.thermParams = config.getThermParams;
this.dntParams = config.getDntParams;
// test input
// ==========
{
if ((config.getPhysParams.mu_A <= 0) && (config.getPhysParams.mu_B <= 0))
{
config.isViscous = false;
}
else
{
if ((config.getPhysParams.mu_A <= 0) || (config.getPhysParams.mu_B <= 0))
{
throw new ArgumentException();
}
}
if ((config.getPhysParams.rho_A <= 0) || (config.getPhysParams.rho_B <= 0))
{
throw new ArgumentException();
}
if (_LsTrk.SpeciesNames.Count != 2)
{
throw new ArgumentException();
}
if (!(_LsTrk.SpeciesNames.Contains("A") && _LsTrk.SpeciesNames.Contains("B")))
{
throw new ArgumentException();
}
}
// full operator:
// ==============
CodName = ArrayTools.Cat(EquationNames.MomentumEquations(D), EquationNames.ContinuityEquation);
Params = ArrayTools.Cat(
VariableNames.Velocity0Vector(D),
VariableNames.Velocity0MeanVector(D),
VariableNames.NormalVector(D),
VariableNames.Curvature,
VariableNames.SurfaceForceVector(D)
);
DomName = ArrayTools.Cat(VariableNames.VelocityVector(D), VariableNames.Pressure);
if (config.solveEnergy)
{
CodName = ArrayTools.Cat(CodName, EquationNames.KineticEnergyEquation);
Params = ArrayTools.Cat(Params,
VariableNames.VelocityX_GradientVector(),
VariableNames.VelocityY_GradientVector(),
new string[] { "VelocityXGradX_GradientX", "VelocityXGradX_GradientY" },
new string[] { "VelocityXGradY_GradientX", "VelocityXGradY_GradientY" },
new string[] { "VelocityYGradX_GradientX", "VelocityYGradX_GradientY" },
new string[] { "VelocityYGradY_GradientX", "VelocityYGradY_GradientY" },
VariableNames.Pressure0,
VariableNames.PressureGradient(D),
VariableNames.GravityVector(D)
);
DomName = ArrayTools.Cat(DomName, VariableNames.KineticEnergy);
}
if (config.solveHeat)
{
Params = ArrayTools.Cat(Params,
VariableNames.Temperature0,
VariableNames.HeatFlux0Vector(D),
VariableNames.DisjoiningPressure
);
if (config.conductMode == ConductivityInSpeciesBulk.ConductivityMode.SIP)
{
CodName = ArrayTools.Cat(CodName, EquationNames.HeatEquation);
DomName = ArrayTools.Cat(DomName, VariableNames.Temperature);
}
else
{
CodName = ArrayTools.Cat(CodName, EquationNames.HeatEquation, EquationNames.AuxHeatFlux(D));
DomName = ArrayTools.Cat(DomName, VariableNames.Temperature, VariableNames.HeatFluxVector(D));
}
}
storedParams = new DGField[Params.Length];
// selected part:
if (config.getCodBlocks[0])
{
CodNameSelected = ArrayTools.Cat(CodNameSelected, CodName.GetSubVector(0, D));
}
if (config.getCodBlocks[1])
{
CodNameSelected = ArrayTools.Cat(CodNameSelected, CodName.GetSubVector(D, 1));
}
if (config.getDomBlocks[0])
{
DomNameSelected = ArrayTools.Cat(DomNameSelected, DomName.GetSubVector(0, D));
}
if (config.getDomBlocks[1])
{
DomNameSelected = ArrayTools.Cat(DomNameSelected, DomName.GetSubVector(D, 1));
}
int nBlocks = 2;
if (config.solveEnergy)
{
nBlocks = 3;
if (config.getCodBlocks[2])
{
CodNameSelected = ArrayTools.Cat(CodNameSelected, CodName.GetSubVector(D + 1, 1));
}
if (config.getDomBlocks[2])
{
DomNameSelected = ArrayTools.Cat(DomNameSelected, DomName.GetSubVector(D + 1, 1));
}
}
if (config.solveHeat)
{
if (config.getCodBlocks[nBlocks])
{
CodNameSelected = ArrayTools.Cat(CodNameSelected, CodName.GetSubVector(nBlocks + (D - 1) + 1, 1));
}
if (config.getDomBlocks[nBlocks])
{
DomNameSelected = ArrayTools.Cat(DomNameSelected, DomName.GetSubVector(nBlocks + (D - 1) + 1, 1));
}
if (config.conductMode != ConductivityInSpeciesBulk.ConductivityMode.SIP)
{
if (config.getCodBlocks[nBlocks + 1])
{
CodNameSelected = ArrayTools.Cat(CodNameSelected, CodName.GetSubVector(nBlocks + (D - 1) + 2, D));
}
if (config.getDomBlocks[nBlocks + 1])
{
DomNameSelected = ArrayTools.Cat(DomNameSelected, DomName.GetSubVector(nBlocks + (D - 1) + 2, D));
}
}
}
// create Operator
// ===============
m_XOp = new XSpatialOperatorMk2(DomNameSelected, Params, CodNameSelected, (A, B, C) => _HMFdegree, this.LsTrk.SpeciesNames);
// add Navier-Stokes components
// ============================
// species bulk components
for (int spc = 0; spc < LsTrk.TotalNoOfSpecies; spc++)
{
// Navier Stokes equations
Solution.XNSECommon.XOperatorComponentsFactory.AddSpeciesNSE(m_XOp, config, D, LsTrk.SpeciesNames[spc], LsTrk.SpeciesIdS[spc], BcMap, LsTrk, out U0meanrequired);
// continuity equation
if (config.isContinuity)
{
Solution.XNSECommon.XOperatorComponentsFactory.AddSpeciesContinuityEq(m_XOp, config, D, LsTrk.SpeciesNames[spc], LsTrk.SpeciesIdS[spc], BcMap);
}
}
// interface components
Solution.XNSECommon.XOperatorComponentsFactory.AddInterfaceNSE(m_XOp, config, D, BcMap, LsTrk); // surface stress tensor
Solution.XNSECommon.XOperatorComponentsFactory.AddSurfaceTensionForce(m_XOp, config, D, BcMap, LsTrk, degU, out NormalsRequired, out CurvatureRequired); // surface tension force
if (config.isContinuity)
{
Solution.XNSECommon.XOperatorComponentsFactory.AddInterfaceContinuityEq(m_XOp, config, D, LsTrk); // continuity equation
}
// add kinetic energy equation components
// ======================================
if (config.solveEnergy)
{
// species bulk components
for (int spc = 0; spc < LsTrk.TotalNoOfSpecies; spc++)
{
Solution.EnergyCommon.XOperatorComponentsFactory.AddSpeciesKineticEnergyEquation(m_XOp, config, D, LsTrk.SpeciesNames[spc], LsTrk.SpeciesIdS[spc], BcMap, LsTrk);
}
// interface components
Solution.EnergyCommon.XOperatorComponentsFactory.AddInterfaceKineticEnergyEquation(m_XOp, config, D, BcMap, LsTrk, degU);
CurvatureRequired = true;
}
// add Heat equation components
// ============================
if (config.solveHeat)
{
// species bulk components
for (int spc = 0; spc < LsTrk.TotalNoOfSpecies; spc++)
{
Solution.XheatCommon.XOperatorComponentsFactory.AddSpeciesHeatEq(m_XOp, config,
D, LsTrk.SpeciesNames[spc], LsTrk.SpeciesIdS[spc], thermBcMap, LsTrk);
}
// interface components
Solution.XheatCommon.XOperatorComponentsFactory.AddInterfaceHeatEq(m_XOp, config, D, thermBcMap, LsTrk);
}
// add Evaporation interface components
// ====================================
if (config.isEvaporation)
{
XOperatorComponentsFactory.AddInterfaceNSE_withEvaporation(m_XOp, config, D, LsTrk);
if (config.isContinuity)
{
XOperatorComponentsFactory.AddInterfaceContinuityEq_withEvaporation(m_XOp, config, D, LsTrk);
}
}
// create temporal operator
// ========================
var TempOp = new ConstantXTemporalOperator(m_XOp, 0.0);
m_XOp.TemporalOperator = TempOp;
foreach (var kv in MassScale)
{
TempOp.DiagonalScale[LsTrk.GetSpeciesName(kv.Key)].SetV(kv.Value.ToArray());
}
// Finalize
// ========
m_XOp.Commit();
}
/// <summary>
/// ctor for the operator factory, where the equation compnents are set
/// </summary>
/// <param name="config"></param>
/// <param name="_LsTrk"></param>
/// <param name="_HMFdegree"></param>
/// <param name="BcMap"></param>
/// <param name="degU"></param>
public XRheology_OperatorFactory(XRheology_OperatorConfiguration config, LevelSetTracker _LsTrk, int _HMFdegree, IncompressibleMultiphaseBoundaryCondMap BcMap, int _stressDegree, int degU)
{
this.LsTrk = _LsTrk;
this.D = _LsTrk.GridDat.SpatialDimension;
this.HMFDegree = _HMFdegree;
this.physParams = config.getPhysParams;
this.dntParams = config.getDntParams;
this.useJacobianForOperatorMatrix = config.isUseJacobian;
this.useArtificialDiffusion = config.isUseArtificialDiffusion;
// test input
// ==========
{
if (config.getDomBlocks.GetLength(0) != 3 || config.getCodBlocks.GetLength(0) != 3)
{
throw new ArgumentException();
}
//if ((config.getPhysParams.Weissenberg_a <= 0) && (config.getPhysParams.Weissenberg_a <= 0)) {
// config.isOldroydB = false;
//} else {
// if ((config.getPhysParams.mu_A <= 0) || (config.getPhysParams.mu_B <= 0))
// throw new ArgumentException();
//}
//if ((config.getPhysParams.reynolds_A <= 0) && (config.getPhysParams.reynolds_B <= 0)) {
// config.isViscous = false;
//} else {
// if ((config.getPhysParams.reynolds_A <= 0) || (config.getPhysParams.reynolds_B <= 0))
// throw new ArgumentException();
//if ((config.getPhysParams.rho_A <= 0) || (config.getPhysParams.rho_B <= 0))
// throw new ArgumentException();
if (_LsTrk.SpeciesNames.Count != 2)
{
throw new ArgumentException();
}
if (!(_LsTrk.SpeciesNames.Contains("A") && _LsTrk.SpeciesNames.Contains("B")))
{
throw new ArgumentException();
}
}
// full operator:
// ==============
CodName = ArrayTools.Cat(EquationNames.MomentumEquations(this.D), EquationNames.ContinuityEquation, EquationNames.Constitutive(this.D));
Params = ArrayTools.Cat(
VariableNames.Velocity0Vector(this.D),
VariableNames.Velocity0MeanVector(this.D),
VariableNames.VelocityX_GradientVector(),
VariableNames.VelocityY_GradientVector(),
VariableNames.StressXXP,
VariableNames.StressXYP,
VariableNames.StressYYP,
// "artificialViscosity",
VariableNames.NormalVector(this.D),
VariableNames.Curvature,
VariableNames.SurfaceForceVector(this.D)
);
DomName = ArrayTools.Cat(VariableNames.VelocityVector(this.D), VariableNames.Pressure, VariableNames.StressXX, VariableNames.StressXY, VariableNames.StressYY);
// selected part:
if (config.getCodBlocks[0])
{
CodNameSelected = ArrayTools.Cat(CodNameSelected, CodName.GetSubVector(0, this.D));
}
if (config.getCodBlocks[1])
{
CodNameSelected = ArrayTools.Cat(CodNameSelected, CodName.GetSubVector(this.D, 1));
}
if (config.getCodBlocks[2])
{
CodNameSelected = ArrayTools.Cat(CodNameSelected, CodName.GetSubVector(this.D + 1, 3));
}
if (config.getDomBlocks[0])
{
DomNameSelected = ArrayTools.Cat(DomNameSelected, DomName.GetSubVector(0, this.D));
}
if (config.getDomBlocks[1])
{
DomNameSelected = ArrayTools.Cat(DomNameSelected, DomName.GetSubVector(this.D, 1));
}
if (config.getDomBlocks[2])
{
DomNameSelected = ArrayTools.Cat(DomNameSelected, DomName.GetSubVector(this.D + 1, 3));
}
// create Operator
// ===============
m_XOp = new XSpatialOperatorMk2(DomNameSelected, Params, CodNameSelected, (A, B, C) => _HMFdegree, this.LsTrk.SpeciesIdS.ToArray());
// add components
// ============================
// species bulk components
for (int spc = 0; spc < LsTrk.TotalNoOfSpecies; spc++)
{
// Navier Stokes equations
XOperatorComponentsFactory.AddSpeciesNSE(m_XOp, config, this.D, LsTrk.SpeciesNames[spc], LsTrk.SpeciesIdS[spc], BcMap, LsTrk, out U0meanrequired);
// continuity equation
if (config.isContinuity)
{
XOperatorComponentsFactory.AddSpeciesContinuityEq(m_XOp, config, this.D, LsTrk.SpeciesNames[spc], LsTrk.SpeciesIdS[spc], BcMap);
}
// constitutive equation
XConstitutiveOperatorComponentsFactory.AddSpeciesConstitutive(m_XOp, config, this.D, stressDegree, LsTrk.SpeciesNames[spc], LsTrk.SpeciesIdS[spc], BcMap, LsTrk, out U0meanrequired);
}
// interface components
XOperatorComponentsFactory.AddInterfaceNSE(m_XOp, config, this.D, BcMap, LsTrk); // surface stress tensor
XOperatorComponentsFactory.AddSurfaceTensionForce(m_XOp, config, this.D, BcMap, LsTrk, degU, out NormalsRequired, out CurvatureRequired); // surface tension force
XConstitutiveOperatorComponentsFactory.AddInterfaceConstitutive(m_XOp, config, this.D, BcMap, LsTrk); //viscosity of stresses at constitutive
if (config.isContinuity)
{
XOperatorComponentsFactory.AddInterfaceContinuityEq(m_XOp, config, this.D, LsTrk); // continuity equation
}
m_XOp.Commit();
}
public void Init(MultigridOperator op)
{
int D = op.GridData.SpatialDimension;
CodName = (new string[] { "mom0", "mom1" });
Params = ArrayTools.Cat(
VariableNames.Velocity0Vector(D));
DomName = ArrayTools.Cat(VariableNames.VelocityVector(D));
LocalOp = new SpatialOperator(DomName, Params, CodName, (A, B, C) => 4);
for (int d = 0; d < D; d++)
{
LocalOp.EquationComponents["mom" + d].Add(new LocalDiffusiveFlux()
{
m_component = d, dt = m_dt, muA = m_muA
});
}
LocalOp.Commit();
//LocalMatrix = op.MassMatrix.CloneAs().ToMsrMatrix();
//LocalMatrix.Clear();
//var U0 = new VectorField<SinglePhaseField>(op.BaseGridProblemMapping Take(D).Select(F => (SinglePhaseField)F).ToArray());
UnsetteledCoordinateMapping test = new UnsetteledCoordinateMapping(op.BaseGridProblemMapping.BasisS.GetSubVector(0, D));
var U0 = ((BoSSS.Foundation.CoordinateMapping)op.Mapping.ProblemMapping).Fields.GetSubVector(0, 2);
var empty = new SinglePhaseField[D];
LocalMatrix = LocalOp.ComputeMatrix(test, empty, test, time: m_dt);
Uidx = op.Mapping.ProblemMapping.GetSubvectorIndices(true, D.ForLoop(i => i));
Pidx = op.Mapping.ProblemMapping.GetSubvectorIndices(true, D);
int Upart = Uidx.Length;
int Ppart = Pidx.Length;
ConvDiff = null; // new BlockMsrMatrix(Upart, Upart, 1, 1);
pGrad = null; // new BlockMsrMatrix(Upart, Ppart, 1, 1);
divVel = null; // new BlockMsrMatrix(Ppart, Upart, 1, 1);
BlockMsrMatrix VelocityMass = null; // new BlockMsrMatrix(Upart, Upart, 1, 1);
BlockMsrMatrix leftChangeBasesVel = null; // new BlockMsrMatrix(Upart, Upart, 1, 1);
BlockMsrMatrix rightChangeBasesVel = null; // new BlockMsrMatrix(Upart, Upart, 1, 1);
op.MassMatrix.AccSubMatrixTo(1.0, VelocityMass, Uidx, default(int[]), Uidx, default(int[]), default(int[]), default(int[]));
op.LeftChangeOfBasis.AccSubMatrixTo(1.0, leftChangeBasesVel, Uidx, default(int[]), Uidx, default(int[]), default(int[]), default(int[]));
op.RightChangeOfBasis.AccSubMatrixTo(1.0, rightChangeBasesVel, Uidx, default(int[]), Uidx, default(int[]), default(int[]), default(int[]));
var temp = BlockMsrMatrix.Multiply(leftChangeBasesVel, LocalMatrix);
LocalMatrix = BlockMsrMatrix.Multiply(temp, rightChangeBasesVel);
var M = op.OperatorMatrix;
M.AccSubMatrixTo(1.0, ConvDiff, Uidx, default(int[]), Uidx, default(int[]), default(int[]), default(int[]));
M.AccSubMatrixTo(1.0, pGrad, Uidx, default(int[]), Pidx, default(int[]), default(int[]), default(int[]));
M.AccSubMatrixTo(1.0, divVel, Pidx, default(int[]), Uidx, default(int[]), default(int[]), default(int[]));
//LocalMatrix.SaveToTextFileSparse("LocalConvDiffMatrix");
//ConvDiff.SaveToTextFileSparse("ConvDiff");
//op.MassMatrix.SaveToTextFileSparse("MassMatrix");
//VelocityMass.SaveToTextFileSparse("VelocityMass");
}
/// <summary>
/// Declaration of the spatial operator
/// </summary>
protected override SpatialOperator GetOperatorInstance(int D)
{
// instantiate boundary condition mapping
// ======================================
boundaryCondMap = new IncompressibleBoundaryCondMap(this.GridData, this.Control.BoundaryValues, PhysicsMode.Incompressible);
// instantiate operator
// ====================
string[] CodName = (new[] { "ResidualMomentumX", "ResidualMomentumY", "ResidualMomentumZ" }).GetSubVector(0, D).Cat("ResidualConti");
var op = new SpatialOperator(
__DomainVar: VariableNames.VelocityVector(D).Cat(VariableNames.Pressure),
__ParameterVar: VariableNames.GravityVector(D),
__CoDomainVar: CodName,
QuadOrderFunc: QuadOrderFunc.NonLinear(2));
op.LinearizationHint = LinearizationHint.GetJacobiOperator;
// Temporal Operator
// =================
var TempOp = new ConstantTemporalOperator(op, 0.0); // init with entire diagonal set to 0.0
op.TemporalOperator = TempOp;
for (int d = 0; d < D; d++)
{
TempOp.SetDiagonal(CodName[d], Control.Density); // set momentum equation entries to density
}
// Pressure Reference
// ==================
// if there is no Dirichlet boundary condition,
// the mean value of the pressure is free:
op.FreeMeanValue[VariableNames.Pressure] = !boundaryCondMap.DirichletPressureBoundary;
// Momentum Equation
// =================
// convective part:
{
for (int d = 0; d < D; d++)
{
var comps = op.EquationComponents[CodName[d]];
var ConvBulk = new LocalLaxFriedrichsConvection(D, boundaryCondMap, d, Control.Density);
comps.Add(ConvBulk); // bulk component
}
}
// pressure part:
{
for (int d = 0; d < D; d++)
{
var comps = op.EquationComponents[CodName[d]];
var pres = new PressureGradientLin_d(d, boundaryCondMap);
comps.Add(pres); // bulk component
}
}
// viscous part:
{
for (int d = 0; d < D; d++)
{
var comps = op.EquationComponents[CodName[d]];
double penalty_bulk = this.Control.PenaltySafety;
var Visc = new swipViscosity_Term1(penalty_bulk, d, D, boundaryCondMap,
ViscosityOption.ConstantViscosity,
constantViscosityValue: Control.Viscosity);
comps.Add(Visc); // bulk component GradUTerm
}
}
// Continuity equation
// ===================
{
for (int d = 0; d < D; d++)
{
var src = new Divergence_DerivativeSource(d, D);
var flx = new Divergence_DerivativeSource_Flux(d, boundaryCondMap);
op.EquationComponents[CodName[D]].Add(src);
op.EquationComponents[CodName[D]].Add(flx);
}
//IBM_Op.EquationComponents["div"].Add(new PressureStabilization(1, 1.0 / this.Control.PhysicalParameters.mu_A));
}
// Gravity parameter
// =================
op.ParameterFactories.Add(delegate(IReadOnlyDictionary <string, DGField> DomainVarFields) {
return(D.ForLoop(d => (VariableNames.Gravity_d(d), this.Gravity[d] as DGField)));
});
// commit & return
// ===============
op.Commit();
return(op);
}