private static IVectorView[] SolveModelsWithNewmark(Model[] models, IModelReader[] modelReaders)
        {
            Vector[] initialValues = new Vector[models.Length];
            var      value0        = new Dictionary <int, double[]>();

            for (int i = 0; i < models.Length; i++)
            {
                double[] v0 = new double[models[i].Nodes.Count];
                value0.Add(i, v0);
            }
            foreach (Node node in models[0].Nodes)
            {
                value0[0][node.ID] = 1;
            }

            DenseMatrixSolver[] solvers = new DenseMatrixSolver[models.Length];
            IConvectionDiffusionIntegrationProvider[] providers = new IConvectionDiffusionIntegrationProvider[models.Length];
            IChildAnalyzer[] childAnalyzers = new IChildAnalyzer[models.Length];
            for (int i = 0; i < models.Length; i++)
            {
                initialValues[i] = Vector.CreateFromArray(value0[i]);
                //var builder = new DenseMatrixSolver.Builder();
                builder.IsMatrixPositiveDefinite = false;
                solvers[i]        = builder.BuildSolver(models[i]);
                providers[i]      = new ProblemConvectionDiffusion2(models[i], solvers[i]);
                childAnalyzers[i] = new LinearAnalyzer(models[i], solvers[i], providers[i]);
            }

            const double timestep       = .1;
            const double time           = 3;
            var          parentAnalyzer = new ConvectionDiffusionImplicitDynamicAnalyzerMultiModel(UpdateModels, models, solvers,
                                                                                                   providers, childAnalyzers, timestep, time, initialTemperature: initialValues);

            parentAnalyzer.Initialize();

            var structuralModel    = CreateStructuralModel(3e4, 0, new DynamicMaterial(.001, 0, 0, true), 0, new double[] { 1000, 0, 0 }, 1).Item1; // new Model();
            var structuralSolver   = structuralBuilder.BuildSolver(structuralModel);
            var structuralProvider = new ProblemStructural(structuralModel, structuralSolver);
            //var structuralChildAnalyzer = new LinearAnalyzer(structuralModel, structuralSolver, structuralProvider);
            var increments = 2;
            var structuralChildAnalyzerBuilder = new LoadControlAnalyzer.Builder(structuralModel, structuralSolver, structuralProvider, increments);

            structuralChildAnalyzerBuilder.ResidualTolerance             = 1E-6;
            structuralChildAnalyzerBuilder.MaxIterationsPerIncrement     = 50;
            structuralChildAnalyzerBuilder.NumIterationsForMatrixRebuild = 1;
            //childAnalyzerBuilder.SubdomainUpdaters = new[] { new NonLinearSubdomainUpdater(model.SubdomainsDictionary[subdomainID]) }; // This is the default
            LoadControlAnalyzer structuralChildAnalyzer = structuralChildAnalyzerBuilder.Build();
            var structuralParentAnalyzer = new NewmarkDynamicAnalyzer(UpdateNewmarkModel, structuralModel, structuralSolver,
                                                                      structuralProvider, structuralChildAnalyzer, timestep, time, 0.25, .5);

            structuralParentAnalyzer.Initialize();

            for (int i = 0; i < time / timestep; i++)
            {
                parentAnalyzer.SolveTimestep(i);
                structuralParentAnalyzer.SolveTimestep(i);
            }

            return(solvers.Select(x => x.LinearSystems[subdomainID].Solution).ToArray());
        }
Beispiel #2
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        private static IVectorView[] SolveModels(Model[] models, ComsolMeshReader2[] modelReaders)
        {
            Vector[] initialTemps = new Vector[models.Length];
            var      temp0        = new Dictionary <int, double[]>();

            for (int i = 0; i < models.Length; i++)
            {
                double[] t0 = new double[models[i].Nodes.Count];
                temp0.Add(i, t0);
            }
            int[] boundaryIDs = new int[] { 0 };
            foreach (int boundaryID in boundaryIDs)
            {
                foreach (IList <Node> nodes in modelReaders[0].quadBoundaries[boundaryID])
                {
                    foreach (Node node in nodes)
                    {
                        temp0[0][node.ID] = 0;
                        temp0[1][node.ID] = 0;
                    }
                }
            }
            boundaryIDs = new int[] { 5 };
            foreach (int boundaryID in boundaryIDs)
            {
                foreach (IList <Node> nodes in modelReaders[0].quadBoundaries[boundaryID])
                {
                    foreach (Node node in nodes)
                    {
                        temp0[0][node.ID] = 1;
                        //temp0[1][node.ID] = 0;
                    }
                }
            }

            DenseMatrixSolver[] solvers = new DenseMatrixSolver[models.Length];
            IConvectionDiffusionIntegrationProvider[] providers = new IConvectionDiffusionIntegrationProvider[models.Length];
            IChildAnalyzer[] childAnalyzers = new IChildAnalyzer[models.Length];
            for (int i = 0; i < models.Length; i++)
            {
                initialTemps[i] = Vector.CreateFromArray(temp0[i]);
                //var builder = new DenseMatrixSolver.Builder();
                builder.IsMatrixPositiveDefinite = false;
                solvers[i]        = builder.BuildSolver(models[i]);
                providers[i]      = new ProblemConvectionDiffusion2(models[i], solvers[i]);
                childAnalyzers[i] = new LinearAnalyzer(models[i], solvers[i], providers[i]);
            }

            var parentAnalyzer = new ConvectionDiffusionImplicitDynamicAnalyzerMultiModel(UpdateModels, models, solvers, providers, childAnalyzers, .25, 5, initialTemperature: initialTemps);

            parentAnalyzer.Initialize();
            parentAnalyzer.Solve();

            return(solvers.Select(x => x.LinearSystems[subdomainID].Solution).ToArray());
        }
 public ConvectionDiffusionImplicitDynamicAnalyzer_Beta(IStructuralModel model, ISolver solver, IConvectionDiffusionIntegrationProvider provider,
                                                        IChildAnalyzer childAnalyzer, double timeStep, double totalTime, IVector initialTemperature = null)
 {
     this.model         = model;
     this.linearSystems = solver.LinearSystems;
     this.solver        = solver;
     //solver.PreventFromOverwrittingSystemMatrices(); //TODO: If the scheme is purely implicit we can overwrite the matrix.
     this.provider      = provider;
     this.ChildAnalyzer = childAnalyzer;
     this.timeStep      = timeStep;
     this.totalTime     = totalTime;
     this.ChildAnalyzer.ParentAnalyzer = this;
     this.initialTemperature           = initialTemperature;
 }
Beispiel #4
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        private static IVectorView[] SolveModels(Model[] models, IModelReader[] modelReaders)
        {
            Vector[] initialValues = new Vector[models.Length];
            var      value0        = new Dictionary <int, double[]>();

            for (int i = 0; i < models.Length; i++)
            {
                double[] v0 = new double[models[i].Nodes.Count];
                value0.Add(i, v0);
            }
            foreach (Node node in models[0].Nodes)
            {
                value0[0][node.ID] = 0; /* 0.96733;*/
            }

            DenseMatrixSolver[] solvers = new DenseMatrixSolver[models.Length];
            IConvectionDiffusionIntegrationProvider[] providers = new IConvectionDiffusionIntegrationProvider[models.Length];
            IChildAnalyzer[] childAnalyzers = new IChildAnalyzer[models.Length];
            for (int i = 0; i < models.Length; i++)
            {
                initialValues[i] = Vector.CreateFromArray(value0[i]);
                //var builder = new DenseMatrixSolver.Builder();
                builder.IsMatrixPositiveDefinite = false;
                solvers[i]        = builder.BuildSolver(models[i]);
                providers[i]      = new ProblemConvectionDiffusion2(models[i], solvers[i]);
                childAnalyzers[i] = new LinearAnalyzer(models[i], solvers[i], providers[i]);
            }

            const double timestep       = 1;
            const double time           = 3;
            var          parentAnalyzer = new ConvectionDiffusionImplicitDynamicAnalyzerMultiModel(UpdateModels, models, solvers,
                                                                                                   providers, childAnalyzers, timestep, time, initialTemperature: initialValues);

            parentAnalyzer.Initialize();

            for (int i = 0; i < time / timestep; i++)
            {
                parentAnalyzer.SolveTimestep(i);
            }

            return(solvers.Select(x => x.LinearSystems[subdomainID].Solution).ToArray());
        }
        private static IVectorView[] SolveModels(Model[] models)
        {
            Vector[]            initialTemps = new Vector[models.Length];
            DenseMatrixSolver[] solvers      = new DenseMatrixSolver[models.Length];
            IConvectionDiffusionIntegrationProvider[] providers = new IConvectionDiffusionIntegrationProvider[models.Length];
            IChildAnalyzer[] childAnalyzers = new IChildAnalyzer[models.Length];
            for (int i = 0; i < models.Length; i++)
            {
                initialTemps[i]   = Vector.CreateFromArray(new double[] { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 });
                solvers[i]        = (new DenseMatrixSolver.Builder()).BuildSolver(models[i]);
                providers[i]      = new ProblemConvectionDiffusion(models[i], solvers[i]);
                childAnalyzers[i] = new LinearAnalyzer(models[i], solvers[i], providers[i]);
            }

            var parentAnalyzer = new ConvectionDiffusionDynamicAnalyzerMultiModel_Beta(UpdateModels, models, solvers, providers, childAnalyzers, 0.05, 5, initialTemperature: initialTemps);

            parentAnalyzer.Initialize();
            parentAnalyzer.Solve();

            return(solvers.Select(x => x.LinearSystems[subdomainID].Solution).ToArray());
        }