예제 #1
0
        private MsrMatrix PenaltyMatrix(EdgeMask em, Basis LevSetBasis, Basis JumpBasis)
        {
            var OpA = new SpatialOperator(1, 0, 1, QuadOrderFunc.Linear(), "Phi", "c1");

            OpA.EquationComponents["c1"].Add(new JumpForm());
            //OpA.EquationComponents["c1"].Add(new GradientJumpForm() { ATerm = true, BTerm = true });
            OpA.EquationComponents["c1"].Add(new GradientJumpForm2());
            OpA.Commit();

            //var OpB = new SpatialOperator(1, 0, 1, "Phi", "c1");
            //Op.EquationComponents["c1"].Add(new JumpForm());
            //OpB.EquationComponents["c1"].Add(new GradientJumpForm() { BTerm = true });
            //Op.EquationComponents["c1"].Add(new GradientJumpForm2());
            //OpB.Commit();

            var inp_LevSet_Mapping  = new UnsetteledCoordinateMapping(LevSetBasis);
            var outp_Result_Mapping = new UnsetteledCoordinateMapping(JumpBasis);

            MsrMatrix MatrixA;

            MatrixA = new MsrMatrix(outp_Result_Mapping, inp_LevSet_Mapping);
            double[] AffineA = new double[inp_LevSet_Mapping.LocalLength];
            OpA.ComputeMatrixEx(inp_LevSet_Mapping, null, outp_Result_Mapping,
                                MatrixA, AffineA, OnlyAffine: false,
                                edgeQuadScheme: new EdgeQuadratureScheme(true, em),
                                volQuadScheme: new CellQuadratureScheme(true, CellMask.GetEmptyMask(em.GridData)));
            MatrixA.CheckForNanOrInfM();

            //MsrMatrix MatrixB;
            //MatrixB = new MsrMatrix(outp_Result_Mapping, inp_LevSet_Mapping);
            //double[] AffineB = new double[inp_LevSet_Mapping.LocalLength];
            //OpB.ComputeMatrixEx(inp_LevSet_Mapping, null, outp_Result_Mapping,
            //    MatrixB, AffineB, OnlyAffine: false
            //    );//,
            //    //edgeQrCtx: new EdgeQuadratureScheme(true, em),
            //    //volQrCtx: new CellQuadratureScheme(true, CellMask.GetEmptyMask(em.GridData)));

            //Debug.Assert(AffineB.L2Norm() == 0);

            //var Err = MatrixA.Transpose();
            //Err.Acc(-1.0, MatrixB);

            //double errnorm = Err.InfNorm();
            //Debug.Assert(errnorm < 1.0e-10);
            ////Console.WriteLine("Errnorm:" + errnorm);


            return(MatrixA);
        }
예제 #2
0
        /// <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
        }
예제 #3
0
        /// <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")
            //    );

            Operator_interface.OperatorCoefficientsProvider =
                delegate(LevelSetTracker lstrk, SpeciesId spc, int quadOrder, int TrackerHistoryIdx, double time) {
                var r = new CoefficientSet()
                {
                };

                //throw new NotImplementedException("todo");
                return(r);
            };
            XSpatialOperatorMk2.XEvaluatorLinear mtxBuilder = Operator_interface.GetMatrixBuilder(LevelSetTracker,
                                                                                                  Extension.Mapping, InterfaceParams, Extension.Mapping);

            MultiphaseCellAgglomerator dummy = LevelSetTracker.GetAgglomerator(LevelSetTracker.SpeciesIdS.ToArray(), 2 * Extension.Basis.Degree + 2, 0.0);

            mtxBuilder.CellLengthScales.Add(LevelSetTracker.GetSpeciesId("A"), dummy.CellLengthScales[LevelSetTracker.GetSpeciesId("A")]);

            mtxBuilder.time           = 0;
            mtxBuilder.MPITtransceive = false;
            mtxBuilder.ComputeMatrix(OpMatrix_interface, OpAffine_interface);

#if DEBUG
            OpMatrix_bulk.CheckForNanOrInfM();
            OpAffine_bulk.CheckForNanOrInfV();

            OpMatrix_interface.CheckForNanOrInfM();
            OpAffine_interface.CheckForNanOrInfV();
#endif

            //Only for Debugging purposes

            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
        }