protected override double RunSolverOneStep(int TimestepNo, double phystime, double dt) { //phystime = 1.8; LsUpdate(phystime); // operator-matrix assemblieren OperatorMatrix = new BlockMsrMatrix(ProblemMapping); AltOperatorMatrix = new MsrMatrix(ProblemMapping); double[] Affine = new double[OperatorMatrix.RowPartitioning.LocalLength]; MultiphaseCellAgglomerator Agg; // Agglomerator setup //Agg = new MultiphaseCellAgglomerator(new CutCellMetrics(MomentFittingVariant, m_quadOrder, LsTrk, LsTrk.GetSpeciesId("B")), this.THRESHOLD, false); Agg = LsTrk.GetAgglomerator(new SpeciesId[] { LsTrk.GetSpeciesId("B") }, m_quadOrder, __AgglomerationTreshold: this.THRESHOLD); Console.WriteLine("Inter-Process agglomeration? " + Agg.GetAgglomerator(LsTrk.GetSpeciesId("B")).AggInfo.InterProcessAgglomeration); // operator matrix assembly Op.ComputeMatrixEx(LsTrk, ProblemMapping, null, ProblemMapping, OperatorMatrix, Affine, false, 0.0, true, Agg.CellLengthScales, null, null, LsTrk.SpeciesIdS.ToArray()); Agg.ManipulateMatrixAndRHS(OperatorMatrix, Affine, this.ProblemMapping, this.ProblemMapping); Op.ComputeMatrixEx(LsTrk, ProblemMapping, null, ProblemMapping, AltOperatorMatrix, Affine, false, 0.0, true, Agg.CellLengthScales, null, null, LsTrk.SpeciesIdS.ToArray()); Agg.ManipulateMatrixAndRHS(AltOperatorMatrix, Affine, this.ProblemMapping, this.ProblemMapping); int nnz = this.OperatorMatrix.GetTotalNoOfNonZeros(); Console.WriteLine("Number of non-zeros in matrix: " + nnz); int nnz2 = this.AltOperatorMatrix.GetTotalNoOfNonZeros(); Assert.IsTrue(nnz == nnz2, "Number of non-zeros in matrix different for " + OperatorMatrix.GetType() + " and " + AltOperatorMatrix.GetType()); Console.WriteLine("Number of non-zeros in matrix (reference): " + nnz2); MsrMatrix Comp = AltOperatorMatrix.CloneAs(); Comp.Acc(-1.0, OperatorMatrix); double CompErr = Comp.InfNorm(); double Denom = Math.Max(AltOperatorMatrix.InfNorm(), OperatorMatrix.InfNorm()); double CompErrRel = Denom > Math.Sqrt(double.Epsilon) ? CompErr / Denom : CompErr; Console.WriteLine("Comparison: " + CompErrRel); Assert.LessOrEqual(CompErrRel, 1.0e-7, "Huge difference between MsrMatrix and BlockMsrMatrix."); base.TerminationKey = true; return(0.0); }
void DelComputeOperatorMatrix(BlockMsrMatrix OpMtx, double[] OpAffine, UnsetteledCoordinateMapping Mapping, DGField[] CurrentState, Dictionary <SpeciesId, MultidimensionalArray> AgglomeratedCellLengthScales, double phystime) { DGField[] Params = null; if (this.Control.Eq == Equation.ScalarTransport) { Params = this.V.ToArray(); } else if (this.Control.Eq == Equation.HeatEq) { Params = null; } else if (this.Control.Eq == Equation.Burgers) { Params = CurrentState; } else { throw new NotImplementedException(); } // compute operator Debug.Assert(OpMtx.InfNorm() == 0.0); Debug.Assert(OpAffine.L2Norm() == 0.0); Operator.ComputeMatrixEx(this.LsTrk, Mapping, Params, Mapping, OpMtx, OpAffine, false, phystime, true, AgglomeratedCellLengthScales, null, null, AgglomeratedCellLengthScales.Keys.ToArray()); }
protected virtual void DelComputeOperatorMatrix(BlockMsrMatrix OpMatrix, double[] OpAffine, UnsetteledCoordinateMapping Mapping, DGField[] CurrentState, Dictionary <SpeciesId, MultidimensionalArray> AgglomeratedCellLengthScales, double phystime) { OpAffine.ClearEntries(); bool Eval = false; if (OpMatrix == null) { Eval = true; OpMatrix = new BlockMsrMatrix(uResidual.Mapping, u.Mapping); } else { OpMatrix.Clear(); } Op.ComputeMatrixEx(base.LsTrk, u.Mapping, null, uResidual.Mapping, OpMatrix, OpAffine, false, phystime, false, base.LsTrk.SpeciesIdS.ToArray()); if (Eval) { OpMatrix.SpMV(1.0, new CoordinateVector(CurrentState), 1.0, OpAffine); } /* * if (!Mapping.EqualsPartition(uResidual.Mapping)) * throw new ArgumentException(); * * if (OpMatrix != null) { * OpMatrix.Clear(); * OpAffine.ClearEntries(); * * Op.ComputeMatrixEx(base.LsTrk, * u.Mapping, null, Mapping, * OpMatrix, OpAffine, false, * phystime, * false, * base.LsTrk.SpeciesIdS.ToArray()); * } else { * var eval = Op.GetEvaluatorEx(base.LsTrk, * CurrentState, null, Mapping, * base.LsTrk.SpeciesIdS.ToArray()); * * eval.time = phystime; * * eval.Evaluate(1.0, 1.0, OpAffine); * } */ }
protected virtual void DelComputeOperatorMatrix(BlockMsrMatrix OpMatrix, double[] OpAffine, UnsetteledCoordinateMapping Mapping, DGField[] CurrentState, Dictionary <SpeciesId, MultidimensionalArray> AgglomeratedCellLengthScales, double phystime) { OpMatrix.Clear(); OpAffine.ClearEntries(); Op.ComputeMatrixEx(base.LsTrk, u.Mapping, null, uResidual.Mapping, OpMatrix, OpAffine, false, phystime, false, base.LsTrk.SpeciesIdS.ToArray()); }
protected virtual void DelComputeOperatorMatrix(BlockMsrMatrix OpMatrix, double[] OpAffine, UnsetteledCoordinateMapping Mapping, DGField[] CurrentState, MultiphaseCellAgglomerator Agglomerator, double phystime) { OpMatrix.Clear(); OpAffine.ClearEntries(); Op.ComputeMatrixEx(base.LsTrk, u.Mapping, null, uResidual.Mapping, OpMatrix, OpAffine, false, phystime, false, XQuadFactoryHelper.MomentFittingVariants.OneStepGaussAndStokes, base.LsTrk.SpeciesIdS.ToArray()); }
protected override double RunSolverOneStep(int TimestepNo, double phystime, double dt) { Console.WriteLine(" Timestep # " + TimestepNo + ", phystime = " + phystime); //phystime = 1.8; LsUpdate(phystime); // operator-matrix assemblieren MsrMatrix OperatorMatrix = new MsrMatrix(u.Mapping, u.Mapping); double[] Affine = new double[OperatorMatrix.RowPartitioning.LocalLength]; MultiphaseCellAgglomerator Agg; MassMatrixFactory Mfact; // Agglomerator setup int quadOrder = Op.QuadOrderFunction(new int[] { u.Basis.Degree }, new int[0], new int[] { u.Basis.Degree }); //Agg = new MultiphaseCellAgglomerator(new CutCellMetrics(MomentFittingVariant, quadOrder, LsTrk, ), this.THRESHOLD, false); Agg = LsTrk.GetAgglomerator(new SpeciesId[] { LsTrk.GetSpeciesId("B") }, quadOrder, this.THRESHOLD); Console.WriteLine("Inter-Process agglomeration? " + Agg.GetAgglomerator(LsTrk.GetSpeciesId("B")).AggInfo.InterProcessAgglomeration); if (this.THRESHOLD > 0.01) { TestAgglomeration_Extraploation(Agg); TestAgglomeration_Projection(quadOrder, Agg); } // operator matrix assembly Op.ComputeMatrixEx(LsTrk, u.Mapping, null, u.Mapping, OperatorMatrix, Affine, false, 0.0, true, Agg.CellLengthScales, LsTrk.GetSpeciesId("B")); Agg.ManipulateMatrixAndRHS(OperatorMatrix, Affine, u.Mapping, u.Mapping); // mass matrix factory Mfact = LsTrk.GetXDGSpaceMetrics(new SpeciesId[] { LsTrk.GetSpeciesId("B") }, quadOrder, 1).MassMatrixFactory;// new MassMatrixFactory(u.Basis, Agg); // Mass matrix/Inverse Mass matrix //var MassInv = Mfact.GetMassMatrix(u.Mapping, new double[] { 1.0 }, true, LsTrk.GetSpeciesId("B")); var Mass = Mfact.GetMassMatrix(u.Mapping, new double[] { 1.0 }, false, LsTrk.GetSpeciesId("B")); Agg.ManipulateMatrixAndRHS(Mass, default(double[]), u.Mapping, u.Mapping); var MassInv = Mass.InvertBlocks(OnlyDiagonal: true, Subblocks: true, ignoreEmptyBlocks: true, SymmetricalInversion: false); // test that operator depends only on B-species values double DepTest = LsTrk.Regions.GetSpeciesSubGrid("B").TestMatrixDependency(OperatorMatrix, u.Mapping, u.Mapping); Console.WriteLine("Matrix dependency test: " + DepTest); Assert.LessOrEqual(DepTest, 0.0); // diagnostic output Console.WriteLine("Number of Agglomerations (all species): " + Agg.TotalNumberOfAgglomerations); Console.WriteLine("Number of Agglomerations (species 'B'): " + Agg.GetAgglomerator(LsTrk.GetSpeciesId("B")).AggInfo.SourceCells.NoOfItemsLocally.MPISum()); // operator auswerten: double[] x = new double[Affine.Length]; BLAS.daxpy(x.Length, 1.0, Affine, 1, x, 1); OperatorMatrix.SpMVpara(1.0, u.CoordinateVector, 1.0, x); MassInv.SpMV(1.0, x, 0.0, du_dx.CoordinateVector); Agg.GetAgglomerator(LsTrk.GetSpeciesId("B")).Extrapolate(du_dx.Mapping); // markieren, wo ueberhaupt A und B sind Bmarker.AccConstant(1.0, LsTrk.Regions.GetSpeciesSubGrid("B").VolumeMask); Amarker.AccConstant(+1.0, LsTrk.Regions.GetSpeciesSubGrid("A").VolumeMask); Xmarker.AccConstant(+1.0, LsTrk.Regions.GetSpeciesSubGrid("X").VolumeMask); // compute error ERR.Clear(); ERR.Acc(1.0, du_dx_Exact, LsTrk.Regions.GetSpeciesSubGrid("B").VolumeMask); ERR.Acc(-1.0, du_dx, LsTrk.Regions.GetSpeciesSubGrid("B").VolumeMask); double L2Err = ERR.L2Norm(LsTrk.Regions.GetSpeciesSubGrid("B").VolumeMask); Console.WriteLine("L2 Error: " + L2Err); XERR.Clear(); XERR.GetSpeciesShadowField("B").Acc(1.0, ERR, LsTrk.Regions.GetSpeciesSubGrid("B").VolumeMask); double xL2Err = XERR.L2Norm(); Console.WriteLine("L2 Error (in XDG space): " + xL2Err); // check error if (this.THRESHOLD > 0.01) { // without agglomeration, the error in very tiny cut-cells may be large over the whole cell // However, the error in the XDG-space should be small under all circumstances Assert.LessOrEqual(L2Err, 1.0e-6); } Assert.LessOrEqual(xL2Err, 1.0e-6); bool IsPassed = ((L2Err <= 1.0e-6 || this.THRESHOLD <= 0.01) && xL2Err <= 1.0e-7); if (IsPassed) { Console.WriteLine("Test PASSED"); } else { Console.WriteLine("Test FAILED: check errors."); } // return/Ende base.NoOfTimesteps = 17; //base.NoOfTimesteps = 2; dt = 0.3; return(dt); }
private void AssembleMatrix(double MU_A, double MU_B, out BlockMsrMatrix M, out double[] b, out MultiphaseCellAgglomerator agg, out MassMatrixFactory massFact) { using (var tr = new FuncTrace()) { // create operator // =============== if (this.Control.SetDefaultDiriBndCnd) { this.Control.xLaplaceBCs.g_Diri = ((CommonParamsBnd inp) => 0.0); this.Control.xLaplaceBCs.IsDirichlet = (inp => true); } double D = this.GridData.SpatialDimension; int p = u.Basis.Degree; double penalty_base = (p + 1) * (p + D) / D; double penalty_multiplyer = base.Control.penalty_multiplyer; XQuadFactoryHelper.MomentFittingVariants momentFittingVariant; if (D == 3) { momentFittingVariant = XQuadFactoryHelper.MomentFittingVariants.Classic; } momentFittingVariant = this.Control.CutCellQuadratureType; int order = this.u.Basis.Degree * 2; XSpatialOperator Op = new XSpatialOperator(1, 1, (A, B, C) => order, "u", "c1"); var lengthScales = ((BoSSS.Foundation.Grid.Classic.GridData)GridData).Cells.PenaltyLengthScales; var lap = new XLaplace_Bulk(this.LsTrk, penalty_multiplyer * penalty_base, "u", this.Control.xLaplaceBCs, 1.0, MU_A, MU_B, lengthScales, this.Control.ViscosityMode); Op.EquationComponents["c1"].Add(lap); // Bulk form Op.EquationComponents["c1"].Add(new XLaplace_Interface(this.LsTrk, MU_A, MU_B, penalty_base * 2, this.Control.ViscosityMode)); // coupling form Op.Commit(); // create agglomeration // ==================== var map = new UnsetteledCoordinateMapping(u.Basis); //agg = new MultiphaseCellAgglomerator( // new CutCellMetrics(momentFittingVariant, // QuadOrderFunc.SumOfMaxDegrees(RoundUp: true)(map.BasisS.Select(bs => bs.Degree).ToArray(), new int[0], map.BasisS.Select(bs => bs.Degree).ToArray()), // //this.HMFDegree, // LsTrk, this.LsTrk.SpeciesIdS.ToArray()), // this.Control.AgglomerationThreshold, false); agg = LsTrk.GetAgglomerator(this.LsTrk.SpeciesIdS.ToArray(), order, this.Control.AgglomerationThreshold); // compute matrix // ============= using (new BlockTrace("XdgMatrixAssembly", tr)) { M = new BlockMsrMatrix(map, map); b = new double[M.RowPartitioning.LocalLength]; Op.ComputeMatrixEx(LsTrk, map, null, map, M, b, false, 0.0, true, agg.CellLengthScales, null, null, //out massFact, this.LsTrk.SpeciesIdS.ToArray()); } // compare with linear evaluation // ============================== DGField[] testDomainFieldS = map.BasisS.Select(bb => new XDGField(bb as XDGBasis)).ToArray(); CoordinateVector test = new CoordinateVector(testDomainFieldS); DGField[] errFieldS = map.BasisS.Select(bb => new XDGField(bb as XDGBasis)).ToArray(); CoordinateVector Err = new CoordinateVector(errFieldS); var eval = Op.GetEvaluatorEx(LsTrk, testDomainFieldS, null, map); foreach (var s in this.LsTrk.SpeciesIdS) { eval.SpeciesOperatorCoefficients[s].CellLengthScales = agg.CellLengthScales[s]; } eval.time = 0.0; int L = test.Count; Random r = new Random(); for (int i = 0; i < L; i++) { test[i] = r.NextDouble(); } double[] R1 = new double[L]; double[] R2 = new double[L]; eval.Evaluate(1.0, 1.0, R1); R2.AccV(1.0, b); M.SpMV(1.0, test, 1.0, R2); Err.AccV(+1.0, R1); Err.AccV(-1.0, R2); double ErrDist = GenericBlas.L2DistPow2(R1, R2).MPISum().Sqrt(); double Ref = test.L2NormPow2().MPISum().Sqrt(); Assert.LessOrEqual(ErrDist, Ref * 1.0e-5, "Mismatch between explicit evaluation of XDG operator and matrix."); // agglomeration wahnsinn // ====================== agg.ManipulateMatrixAndRHS(M, b, map, map); foreach (var S in this.LsTrk.SpeciesNames) { Console.WriteLine(" Species {0}: no of agglomerated cells: {1}", S, agg.GetAgglomerator(this.LsTrk.GetSpeciesId(S)).AggInfo.SourceCells.NoOfItemsLocally); } // mass matrix factory // =================== Basis maxB = map.BasisS.ElementAtMax(bss => bss.Degree); //massFact = new MassMatrixFactory(maxB, agg); massFact = LsTrk.GetXDGSpaceMetrics(this.LsTrk.SpeciesIdS.ToArray(), order).MassMatrixFactory; } }
/// <summary> /// Create Spatial Operators and build the corresponding Matrices /// </summary> public void ComputeMatrices(IList <DGField> InterfaceParams, bool nearfield) { OpMatrix = new MsrMatrix(this.Extension.Mapping, this.Extension.Mapping); OpAffine = new double[OpMatrix.RowPartitioning.LocalLength]; OpMatrix_bulk = new MsrMatrix(this.Extension.Mapping, this.Extension.Mapping); OpAffine_bulk = new double[OpMatrix.RowPartitioning.LocalLength]; OpMatrix_interface = new MsrMatrix(this.Extension.Mapping, this.Extension.Mapping); OpAffine_interface = new double[OpMatrix.RowPartitioning.LocalLength]; //LevelSetTracker.GetLevelSetGradients(0,); // bulk part of the matrix //Operator_bulk.ComputeMatrix( // Extension.Mapping, // LevelSetGradient.ToArray(), // Extension.Mapping, // OpMatrix_bulk, OpAffine_bulk, // OnlyAffine: false, sgrd: null); switch (Control.FluxVariant) { case FluxVariant.GradientBased: // Flux Direction based on Mean Level Set Gradient BulkParams = new List <DGField> { }; // Hack, to make ArrayTools.Cat produce a List of DGFields // second Hack: Does only work, when InterfaceParams is according to a single component flux, // else, we will have to change the boundary edge flux BulkParams = ArrayTools.Cat(BulkParams, LevelSetGradient.ToArray(), Phi, MeanLevelSetGradient.ToArray(), InterfaceParams.ToArray()); MeanLevelSetGradient.Clear(); MeanLevelSetGradient.AccLaidBack(1.0, LevelSetGradient); break; case FluxVariant.ValueBased: // Flux Direction Based on Cell-Averaged Level-Set Value BulkParams = ArrayTools.Cat(LevelSetGradient.ToArray(), Phi, MeanLevelSet); MeanLevelSet.Clear(); MeanLevelSet.AccLaidBack(1.0, Phi); break; case FluxVariant.SWIP: BulkParams = LevelSetGradient.ToArray(); break; default: throw new Exception(); } // Build Operator Operator_bulk.ComputeMatrixEx(Extension.Mapping, BulkParams, Extension.Mapping, OpMatrix_bulk, OpAffine_bulk, OnlyAffine: false, time: 0.0, edgeQuadScheme: new EdgeQuadratureScheme(true, nearfield ? LevelSetTracker.Regions.GetNearFieldSubgrid(1).InnerEdgesMask : null), volQuadScheme: new CellQuadratureScheme(true, nearfield ? LevelSetTracker.Regions.GetNearFieldSubgrid(1).VolumeMask : null) ); Operator_interface.ComputeMatrixEx( LevelSetTracker, Extension.Mapping, InterfaceParams, Extension.Mapping, OpMatrix_interface, OpAffine_interface, OnlyAffine: false, time: 0, MPIParameterExchange: false, whichSpc: LevelSetTracker.GetSpeciesId("A") ); #if DEBUG OpMatrix_bulk.CheckForNanOrInfM(); OpAffine_bulk.CheckForNanOrInfV(); OpMatrix_interface.CheckForNanOrInfM(); OpAffine_interface.CheckForNanOrInfV(); #endif //Only for Debugging purposes //OpMatrix.SaveToTextFileSparse("C:\\tmp\\EllipticReInit.txt"); Debug.Assert(OpMatrix_interface.GetDiagVector().L2Norm() > 0, "L2-Norm of Diagonal of InterfaceOperator is 0"); Debug.Assert(OpMatrix_bulk.GetDiagVector().L2Norm() > 0, "L2-Norm of Diagonal of BulkOperator is 0"); #if DEBUG //Console.WriteLine( "L2-Norm of Diagonal of InterfaceOperator is {0}", OpMatrix_interface.GetDiagVector().L2Norm() ); #endif OpMatrix.Clear(); OpMatrix.Acc(1.0, OpMatrix_bulk); OpMatrix.Acc(1.0, OpMatrix_interface); //Console.WriteLine("Op-Matrix Symmetry-Deviation: {0}", OpMatrix.SymmetryDeviation()); OpMatrix.AssumeSymmetric = false; OpAffine.Clear(); OpAffine.AccV(1.0, OpAffine_bulk); OpAffine.AccV(1.0, OpAffine_interface); #if DEBUG //Console.WriteLine("Condition Number of Extension Operator {0}", OpMatrix.condest()); #endif }
/// <summary> /// Updates the Operator Matrix after level-set motion /// </summary> /// <param name="Restriction"> /// The subgrid, on which the ReInit is performed /// </param> /// <param name="IncludingInterface"> /// !! Not yet functional !! /// True, if the subgrid contains the interface, this causes all external edges of the subgrid to be treated as boundaries /// False, for the rest of the domain, thus the flux to the adjacent cells wil be evaluated /// </param> public void UpdateOperators(SubGrid Restriction = null, bool IncludingInterface = true) { if (!IncludingInterface) { throw new NotImplementedException("Untested, not yet functional!"); } using (new FuncTrace()) { //using (var slv = new ilPSP.LinSolvers.MUMPS.MUMPSSolver()) { //using (var slv = new ilPSP.LinSolvers.PARDISO.PARDISOSolver()) { //using (var slv = new ilPSP.LinSolvers.HYPRE.GMRES()) { if (Control.Upwinding) { OldPhi.Clear(); OldPhi.Acc(1.0, Phi); //Calculate LevelSetGradient.Clear(); LevelSetGradient.Gradient(1.0, Phi, Restriction?.VolumeMask); //LevelSetGradient.Gradient(1.0, Phi); //LevelSetGradient.GradientByFlux(1.0, Phi); MeanLevelSetGradient.Clear(); MeanLevelSetGradient.AccLaidBack(1.0, LevelSetGradient, Restriction?.VolumeMask); //MeanLevelSetGradient.AccLaidBack(1.0, LevelSetGradient); } if (slv != null) { slv.Dispose(); } slv = Control.solverFactory(); OpMatrix_interface.Clear(); OpAffine_interface.Clear(); /// Build the Quadrature-Scheme for the interface operator /// Note: The HMF-Quadrature over a surface is formally a volume quadrature, since it uses the volume quadrature nodes. Operator_interface.ComputeMatrixEx( LevelSetTracker, Phi.Mapping, null, Phi.Mapping, OpMatrix_interface, OpAffine_interface, false, 0, false, subGrid: Restriction, whichSpc: LevelSetTracker.GetSpeciesId("A") ); // Regenerate OpMatrix for subgrid -> adjacent cells must be trated as boundary if (Restriction != null) { OpMatrix_bulk.Clear(); OpAffine_bulk.Clear(); //Operator_bulk.ComputeMatrix( // Phi.Mapping, // parameterFields, // Phi.Mapping, // OpMatrix_bulk, OpAffine_bulk, // OnlyAffine: false, sgrd: Restriction); EdgeQuadratureScheme edgescheme; //if (Control.Upwinding) { // edgescheme = new EdgeQuadratureScheme(true, IncludingInterface ? Restriction.AllEdgesMask : null); //} //else { edgescheme = new EdgeQuadratureScheme(true, IncludingInterface ? Restriction.InnerEdgesMask : null); //} Operator_bulk.ComputeMatrixEx(Phi.Mapping, parameterFields, Phi.Mapping, OpMatrix_bulk, OpAffine_bulk, false, 0, edgeQuadScheme: edgescheme, volQuadScheme: new CellQuadratureScheme(true, IncludingInterface ? Restriction.VolumeMask : null) ); //PreviouslyOnSubgrid = true; } // recalculate full Matrix //else if (PreviouslyOnSubgrid) { else { OpMatrix_bulk.Clear(); OpAffine_bulk.Clear(); Operator_bulk.ComputeMatrixEx(Phi.Mapping, parameterFields, Phi.Mapping, OpMatrix_bulk, OpAffine_bulk, false, 0 ); PreviouslyOnSubgrid = false; } /// Compose the Matrix /// This is symmetric due to the symmetry of the SIP and the penalty term OpMatrix.Clear(); OpMatrix.Acc(1.0, OpMatrix_bulk); OpMatrix.Acc(1.0, OpMatrix_interface); OpMatrix.AssumeSymmetric = !Control.Upwinding; //OpMatrix.AssumeSymmetric = false; /// Compose the RHS of the above operators. (-> Boundary Conditions) /// This does NOT include the Nonlinear RHS, which will be added later OpAffine.Clear(); OpAffine.AccV(1.0, OpAffine_bulk); OpAffine.AccV(1.0, OpAffine_interface); #if Debug ilPSP.Connectors.Matlab.BatchmodeConnector matlabConnector; matlabConnector = new BatchmodeConnector(); #endif if (Restriction != null) { SubVecIdx = Phi.Mapping.GetSubvectorIndices(Restriction, true, new int[] { 0 }); int L = SubVecIdx.Length; SubMatrix = new MsrMatrix(L); SubRHS = new double[L]; SubSolution = new double[L]; OpMatrix.AccSubMatrixTo(1.0, SubMatrix, SubVecIdx, default(int[]), SubVecIdx, default(int[])); slv.DefineMatrix(SubMatrix); #if Debug Console.WriteLine("ConditionNumber of ReInit-Matrix is " + SubMatrix.condest().ToString("E")); #endif } else { slv.DefineMatrix(OpMatrix); #if Debug Console.WriteLine("ConditionNumber of ReInit-Matrix is " + OpMatrix.condest().ToString("E")); #endif } } }