public static FSI_Control TwoParticleCollision(int k = 2, int amrLevel = 2) { FSI_Control C = new FSI_Control(k, "activeRod_noBackroundFlow", "active Particles"); //C.SetSaveOptions(dataBasePath: @"/home/ij83requ/default_bosss_db", savePeriod: 1); // Domain // ============================= List <string> boundaryValues = new List <string> { "Wall" }; C.SetBoundaries(boundaryValues); C.SetGrid(lengthX: 3, lengthY: 3, cellsPerUnitLength: 5, periodicX: false, periodicY: false); C.SetAddaptiveMeshRefinement(amrLevel); // Coupling Properties // ============================= C.Timestepper_LevelSetHandling = LevelSetHandling.LieSplitting; C.LevelSetSmoothing = false; C.CutCellQuadratureType = Foundation.XDG.XQuadFactoryHelper.MomentFittingVariants.Saye; C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2; C.hydrodynamicsConvergenceCriterion = 1e-4; // Fluid Properties // ============================= C.PhysicalParameters.rho_A = 1; C.PhysicalParameters.mu_A = 1; C.PhysicalParameters.IncludeConvection = false; double particleDensity = 100; C.pureDryCollisions = true; // Particle Properties // ============================= InitializeMotion motion = new InitializeMotion(C.gravity, particleDensity, true, false, false); double particleRadius = 0.1; C.Particles = new List <Particle> { new Particle_Ellipsoid(motion, particleRadius, particleRadius, new double[] { 0, 0.25 }, 0, 0, new double[] { 0, -0.1 }), new Particle_Ellipsoid(motion, particleRadius, particleRadius, new double[] { 0, 0 }, 0, 0, new double[] { 0, 0.1 }) }; // misc. solver options // ============================= C.NonLinearSolver.MaxSolverIterations = 1000; C.NonLinearSolver.MinSolverIterations = 1; C.LinearSolver.NoOfMultigridLevels = 1; C.LinearSolver.MaxSolverIterations = 1000; C.LinearSolver.MinSolverIterations = 1; C.LinearSolver.SolverCode = LinearSolverCode.classic_pardiso; C.LevelSetSmoothing = false; // Timestepping // ============================= C.Timestepper_Scheme = IBM_Solver.IBM_Control.TimesteppingScheme.BDF2; C.SetTimesteps(dt: 1e-2, noOfTimesteps: 100); return(C); }
public static FSI_Control TestParticleInShearFlow(int k = 2) { FSI_Control C = new FSI_Control(k, "ParticleInShearFlow"); // grid and boundary conditions // ============================ List <string> boundaryValues = new List <string> { "Velocity_Inlet_left", "Velocity_Inlet_right", }; C.SetBoundaries(boundaryValues); C.SetGrid(lengthX: 4, lengthY: 6, cellsPerUnitLength: 5, periodicX: false, periodicY: true); C.SetAddaptiveMeshRefinement(amrLevel: 1); C.AddBoundaryValue("Velocity_Inlet_left", "VelocityY", X => 0.02); C.AddBoundaryValue("Velocity_Inlet_right", "VelocityY", X => - 0.02); C.Timestepper_LevelSetHandling = LevelSetHandling.LieSplitting; C.hydrodynamicsConvergenceCriterion = 1e-1; double particleDensity = 1; C.gravity = new Vector(0, 0); InitializeMotion motion = new InitializeMotion(C.gravity, particleDensity, C.pureDryCollisions, false, true); C.Particles.Add(new Particle_Sphere(motion, 0.4, new double[] { 0.0, 0.0 })); C.PhysicalParameters.rho_A = 1; C.PhysicalParameters.mu_A = 0.25; C.PhysicalParameters.IncludeConvection = true; // misc. solver options // ==================== C.AdvancedDiscretizationOptions.PenaltySafety = 1; C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.1; C.LevelSetSmoothing = false; C.LinearSolver.SolverCode = LinearSolverCode.classic_pardiso; C.LinearSolver.MaxSolverIterations = 100; C.LinearSolver.MinSolverIterations = 1; C.NonLinearSolver.MaxSolverIterations = 100; C.NonLinearSolver.MinSolverIterations = 1; C.LinearSolver.NoOfMultigridLevels = 1; // Timestepping // ============ C.Timestepper_Scheme = FSI_Control.TimesteppingScheme.BDF2; double dt = 0.1; C.dtFixed = dt; C.dtMax = dt; C.dtMin = dt; C.Endtime = 120; C.NoOfTimesteps = 25; // haben fertig... // =============== return(C); }
public static FSI_Control Main(double angle = 100, double distance = 5, int amr = 0) { FSI_Control C = new FSI_Control(2, "2particleInteractions", "active Particles"); //C.SetSaveOptions(dataBasePath: @"D:\BoSSS_databases\2particleInteractions", savePeriod: 1); //C.SetSaveOptions(@"/work/scratch/ij83requ/default_bosss_db", 1); //C.AlternateDbPaths = new[] { new ValueTuple<string, string>(@"/work/scratch/ij83requ/default_bosss_db", ""), new ValueTuple<string, string>(@"U:\default_bosss_db", "") }; // Domain // ============================= List <string> boundaryValues = new List <string> { "Wall" }; C.SetBoundaries(boundaryValues); C.SetGrid(lengthX: 20, lengthY: 20, cellsPerUnitLength: 100, periodicX: false, periodicY: false); C.SetAddaptiveMeshRefinement(amr); // Coupling Properties // ============================= C.Timestepper_LevelSetHandling = LevelSetHandling.FSI_LieSplittingFullyCoupled; C.LevelSetSmoothing = false; C.CutCellQuadratureType = Foundation.XDG.XQuadFactoryHelper.MomentFittingVariants.Saye; C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2; C.hydrodynamicsConvergenceCriterion = 1e-6; // Fluid Properties // ============================= C.PhysicalParameters.rho_A = 1; C.PhysicalParameters.mu_A = 1; C.PhysicalParameters.IncludeConvection = false; C.IsStationary = true; double particleDensity = 1; // Particle Properties // ============================= C.fixPosition = true; InitializeMotion motion = new InitializeMotion(C.gravity, particleDensity, false, false, false, 1.5, true); double particleRadius = 0.5; double aspectRatio = 2; C.Particles = new List <Particle> { new Particle_Ellipsoid(motion, aspectRatio * particleRadius, particleRadius, new double[] { -distance / 2, 0.0 }, angle, 1), new Particle_Ellipsoid(motion, aspectRatio * particleRadius, particleRadius, new double[] { distance / 2, 0.0 }, 180 - angle, 1) }; // misc. solver options // ============================= C.NonLinearSolver.MaxSolverIterations = 1000; C.NonLinearSolver.MinSolverIterations = 1; C.LinearSolver.NoOfMultigridLevels = 1; C.LinearSolver.MaxSolverIterations = 1000; C.LinearSolver.MinSolverIterations = 1; C.LinearSolver.SolverCode = LinearSolverCode.classic_pardiso; // Timestepping // ============================= C.Timestepper_Scheme = IBM_Solver.IBM_Control.TimesteppingScheme.BDF2; C.SetTimesteps(dt: 1e-1, noOfTimesteps: 20); return(C); }
public static FSI_Control FixedParticle(int k = 2, int amrLevel = 7, double aspectRatio = 0.2) { FSI_Control C = new FSI_Control(degree: k, projectName: "2_active_Rods"); //C.SetSaveOptions(@"/home/ij83requ/default_bosss_db", 1); C.SetSaveOptions(dataBasePath: @"D:\BoSSS_databases\Channel", savePeriod: 1); List <string> boundaryValues = new List <string> { "Wall" }; C.SetBoundaries(boundaryValues); C.SetGrid(lengthX: 200, lengthY: 200, cellsPerUnitLength: 1, periodicX: false, periodicY: false); C.SetAddaptiveMeshRefinement(amrLevel: amrLevel); C.hydrodynamicsConvergenceCriterion = 1e-4; // Fluid Properties // ============================= C.PhysicalParameters.rho_A = 1; C.PhysicalParameters.mu_A = 10; C.PhysicalParameters.IncludeConvection = false; C.CoefficientOfRestitution = 1; // Particle Properties // ============================= double particleDensity = 1; InitializeMotion motion = new InitializeMotion(C.gravity, particleDensity, false, false, false, 1); C.Particles.Add(new Particle_Ellipsoid(motion, 1, 1 * aspectRatio, new double[] { 0, 0 }, startAngl: 0, activeStress: 1)); // misc. solver options // ============================= C.Timestepper_Scheme = IBM_Solver.IBM_Control.TimesteppingScheme.BDF2; double dt = 1e-2; C.dtMax = dt; C.dtMin = dt; C.Endtime = 1000; C.NoOfTimesteps = 100; C.AdvancedDiscretizationOptions.PenaltySafety = 4; C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2; C.LevelSetSmoothing = false; C.NonLinearSolver.MaxSolverIterations = 1000; C.NonLinearSolver.MinSolverIterations = 1; C.LinearSolver.NoOfMultigridLevels = 1; C.LinearSolver.MaxSolverIterations = 1000; C.LinearSolver.MinSolverIterations = 1; C.LSunderrelax = 1.0; C.LinearSolver.SolverCode = LinearSolverCode.classic_pardiso; // Coupling Properties // ============================= C.CutCellQuadratureType = Foundation.XDG.XQuadFactoryHelper.MomentFittingVariants.Saye; C.Timestepper_LevelSetHandling = LevelSetHandling.FSI_LieSplittingFullyCoupled; C.LSunderrelax = 1; C.maxIterationsFullyCoupled = 1000000; return(C); }
/// <summary> /// Testing of particle/wall interactions using a single particle /// </summary> public static FSI_Control TestSingleDryParticleAgainstWall(bool meshRefine = false) { FSI_Control C = new FSI_Control(degree: 2, projectName: "DryParticleWallCollision"); List <string> boundaryValues = new List <string> { "Wall" }; C.SetBoundaries(boundaryValues); C.SetGrid(lengthX: 2, lengthY: 2, cellsPerUnitLength: 10, periodicX: false, periodicY: false); C.SetAddaptiveMeshRefinement(meshRefine ? 1 : 0); C.Timestepper_LevelSetHandling = LevelSetHandling.Coupled_Once; C.PhysicalParameters.rho_A = 1; C.PhysicalParameters.mu_A = 0.1; C.pureDryCollisions = true; C.PhysicalParameters.IncludeConvection = true; // Particle Properties // ============================= double particleDensity = 1; InitializeMotion motion = new InitializeMotion(C.gravity, particleDensity, C.pureDryCollisions); C.fixPosition = true; C.Particles.Add(new Particle_Sphere(motion, 0.1, new double[] { -0.5, -0.5 }, startAngl: 90.0, activeStress: 0, startTransVelocity: new double[] { 1, -1 })); double V = 0; foreach (var p in C.Particles) { V = Math.Max(V, p.Motion.GetTranslationalVelocity(0).L2Norm()); } if (V <= 0) { throw new ArithmeticException(); } C.Timestepper_Scheme = IBM_Solver.IBM_Control.TimesteppingScheme.BDF2; double dt = (1 / (14 * V)) * (meshRefine ? 0.5 * 0.5 * 0.5 * 0.2 : 0.1); C.dtMax = dt; C.dtMin = dt; C.Endtime = 5; C.NoOfTimesteps = 500; C.AdvancedDiscretizationOptions.PenaltySafety = 4; C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2; C.LevelSetSmoothing = false; C.NonLinearSolver.MaxSolverIterations = 1000; C.NonLinearSolver.MinSolverIterations = 1; C.LinearSolver.NoOfMultigridLevels = 1; C.LinearSolver.MaxSolverIterations = 1000; C.LinearSolver.MinSolverIterations = 1; C.LSunderrelax = 1.0; C.LinearSolver.SolverCode = LinearSolverCode.classic_pardiso; C.CutCellQuadratureType = Foundation.XDG.XQuadFactoryHelper.MomentFittingVariants.Saye; C.LSunderrelax = 1; C.maxIterationsFullyCoupled = 100; return(C); }
public static FSI_Control TwoSpheres(int k = 2) { FSI_Control C = new FSI_Control(degree: k, projectName: "TwoSpheres"); List <string> boundaryValues = new List <string> { "Wall" }; C.SetBoundaries(boundaryValues); C.SetGrid(lengthX: 4, lengthY: 4, cellsPerUnitLength: 20, periodicX: false, periodicY: false); // Fluid Properties // ============================= C.PhysicalParameters.rho_A = 1; C.PhysicalParameters.mu_A = 1; C.PhysicalParameters.IncludeConvection = false; C.pureDryCollisions = true; C.gravity = new Vector(0, -9.81); // Particle Properties // ============================= double particleDensity = 1; InitializeMotion motion1 = new InitializeMotion(C.gravity, particleDensity, C.pureDryCollisions, false, false); InitializeMotion motion2 = new InitializeMotion(C.gravity, particleDensity, C.pureDryCollisions, true, true); C.Particles.Add(new Particle_Ellipsoid(motion1, 0.25, 0.1, new double[] { 0, 0.5 }, startAngl: 45, activeStress: 0)); C.Particles.Add(new Particle_Ellipsoid(motion2, 0.25, 0.1, new double[] { 0, 0 }, startAngl: 0, activeStress: 0)); // misc. solver options // ============================= C.Timestepper_Scheme = FSI_Solver.FSI_Control.TimesteppingScheme.BDF2; double dt = 1e-3; C.dtMax = dt; C.dtMin = dt; C.Endtime = 1000000; C.NoOfTimesteps = 100; C.AdvancedDiscretizationOptions.PenaltySafety = 4; C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2; C.LevelSetSmoothing = false; C.NonLinearSolver.MaxSolverIterations = 1000; C.NonLinearSolver.MinSolverIterations = 1; C.LinearSolver.NoOfMultigridLevels = 1; C.LinearSolver.MaxSolverIterations = 1000; C.LinearSolver.MinSolverIterations = 1; C.LSunderrelax = 1.0; // Coupling Properties // ============================= C.CutCellQuadratureType = Foundation.XDG.XQuadFactoryHelper.MomentFittingVariants.Saye; C.Timestepper_LevelSetHandling = LevelSetHandling.LieSplitting; C.LSunderrelax = 1; C.maxIterationsFullyCoupled = 1000000; return(C); }
public static FSI_Control ActiveRods_noBackroundFlow(int k = 2) { FSI_Control C = new FSI_Control(degree: k, projectName: "9_active_Rods"); C.SetSaveOptions(@"\\hpccluster\hpccluster-scratch\deussen\cluster_db\25_particles", 1); List <string> boundaryValues = new List <string> { "Wall" }; int sqrtPart = 2; C.SetBoundaries(boundaryValues); C.SetGrid(lengthX: sqrtPart + 1, lengthY: sqrtPart + 1, cellsPerUnitLength: 4, periodicX: false, periodicY: false); C.SetAddaptiveMeshRefinement(amrLevel: 1); C.hydrodynamicsConvergenceCriterion = 1e-3; // Fluid Properties // ============================= C.PhysicalParameters.rho_A = 1; C.PhysicalParameters.mu_A = 0.01; C.PhysicalParameters.IncludeConvection = false; // Particle Properties // ============================= double particleDensity = 2; C.underrelaxationParam = new ParticleUnderrelaxationParam(C.hydrodynamicsConvergenceCriterion, ParticleUnderrelaxationParam.UnderrelaxationMethod.ProcentualRelaxation, relaxationFactor: 3.0, useAddaptiveUnderrelaxation: true); ParticleMotionInit motion = new ParticleMotionInit(C.gravity, particleDensity, false, false, false, C.underrelaxationParam, 1); for (int x = 0; x < sqrtPart; x++) { for (int y = 0; y < sqrtPart; y++) { C.Particles.Add(new Particle_Ellipsoid(motion, 0.25, 0.1, new double[] { -0.5 + 1 * x, 0.5 - 1 * y }, startAngl: 180 - 30 - 90 * (x - y) + 180 * (1 - x * y), activeStress: 50)); } } // misc. solver options // ============================= C.Timestepper_Scheme = FSI_Solver.FSI_Control.TimesteppingScheme.BDF2; double dt = 1e-3; C.dtMax = dt; C.dtMin = dt; C.Endtime = 100000000; C.NoOfTimesteps = 1000000; C.AdvancedDiscretizationOptions.PenaltySafety = 4; C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2; C.LevelSetSmoothing = false; C.NonLinearSolver.MaxSolverIterations = 1000; C.NonLinearSolver.MinSolverIterations = 1; C.LinearSolver.NoOfMultigridLevels = 1; C.LinearSolver.MaxSolverIterations = 1000; C.LinearSolver.MinSolverIterations = 1; C.LSunderrelax = 1.0; // Coupling Properties // ============================= C.CutCellQuadratureType = Foundation.XDG.XQuadFactoryHelper.MomentFittingVariants.Saye; C.Timestepper_LevelSetHandling = LevelSetHandling.FSI_LieSplittingFullyCoupled; C.LSunderrelax = 1; C.maxIterationsFullyCoupled = 1000000; return(C); }
public static FSI_Control Main(int k = 2, int amrLevel = 2, double aspectRatio = 2, double relaxationFactor = 0.3, bool addaptiveUnderrelaxation = true, double conv = 1e-6) { FSI_Control C = new FSI_Control(k, "activeRod_noBackroundFlow", "active Particles"); C.SetSaveOptions(dataBasePath: @"D:\BoSSS_databases\Channel", savePeriod: 1); // Domain // ============================= List <string> boundaryValues = new List <string> { "Pressure_Outlet_left", "Pressure_Outlet_right", "Pressure_Outlet_lower", "Pressure_Outlet_upper" }; C.SetBoundaries(boundaryValues); C.SetGrid(lengthX: 10, lengthY: 10, cellsPerUnitLength: 1, periodicX: false, periodicY: false); C.SetAddaptiveMeshRefinement(amrLevel); // Coupling Properties // ============================= C.Timestepper_LevelSetHandling = LevelSetHandling.FSI_LieSplittingFullyCoupled; C.LevelSetSmoothing = false; C.CutCellQuadratureType = Foundation.XDG.XQuadFactoryHelper.MomentFittingVariants.Saye; C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2; C.hydrodynamicsConvergenceCriterion = conv; // Fluid Properties // ============================= C.PhysicalParameters.rho_A = 1; C.PhysicalParameters.mu_A = 1; C.PhysicalParameters.IncludeConvection = false; double particleDensity = 1; C.gravity = new double[] { 0, 0 }; // Particle Properties // ============================= C.underrelaxationParam = new ParticleUnderrelaxationParam(C.hydrodynamicsConvergenceCriterion, ParticleUnderrelaxationParam.UnderrelaxationMethod.ProcentualRelaxation, relaxationFactor, addaptiveUnderrelaxation); ParticleMotionInit motion = new ParticleMotionInit(C.gravity, particleDensity, false, false, false, C.underrelaxationParam, 1.5); double particleRadius = 0.5; C.Particles = new List <Particle> { new Particle_Ellipsoid(motion, aspectRatio * particleRadius, particleRadius, new double[] { 0.0, 0.0 }, 0, 1) }; // misc. solver options // ============================= C.NonLinearSolver.MaxSolverIterations = 1000; C.NonLinearSolver.MinSolverIterations = 1; C.LinearSolver.NoOfMultigridLevels = 1; C.LinearSolver.MaxSolverIterations = 1000; C.LinearSolver.MinSolverIterations = 1; // Timestepping // ============================= C.Timestepper_Scheme = IBM_Solver.IBM_Control.TimesteppingScheme.BDF2; C.SetTimesteps(dt: 1e-3, noOfTimesteps: 250000); return(C); }
public static FSI_Control WetParticleWallCollision(int k = 3, double DensityFactor = 2500, int amrLevel = 4) { FSI_Control C = new FSI_Control(degree: k, projectName: "wetParticleWallCollision"); C.SetSaveOptions(@"D:\BoSSS_databases\wetParticleCollision", 1); List <string> boundaryValues = new List <string> { "Pressure_Outlet_left", "Pressure_Outlet_right", "Wall_lower", "Pressure_Outlet_upper" }; C.SetBoundaries(boundaryValues); C.SetGrid(lengthX: 2, lengthY: 2, cellsPerUnitLength: 1, periodicX: false, periodicY: false); C.SetAddaptiveMeshRefinement(amrLevel); C.hydrodynamicsConvergenceCriterion = 1e-6; // Fluid Properties // ============================= C.PhysicalParameters.rho_A = 1; C.PhysicalParameters.mu_A = 1; C.PhysicalParameters.Material = true; C.gravity = new double[] { 0, -5 }; double particleDensity = 1 * DensityFactor; // Particle Properties // ============================= // Defining particles C.Particles = new List <Particle>(); C.underrelaxationParam = new ParticleUnderrelaxationParam(convergenceLimit: C.hydrodynamicsConvergenceCriterion, relaxationFactor: 1.0, useAddaptiveUnderrelaxation: true); ParticleMotionInit motion = new ParticleMotionInit(C.gravity, particleDensity, false, false, false, C.underrelaxationParam, 1); C.Particles.Add(new Particle_Sphere(motion, 0.25, new double[] { 0.0, 0.0 }, 0, 0, new double[] { 0, 0 })); // Quadrature rules // ============================= C.CutCellQuadratureType = Foundation.XDG.XQuadFactoryHelper.MomentFittingVariants.Saye; // Physical Parameters // ============================= C.PhysicalParameters.IncludeConvection = false; // misc. solver options // ============================= C.AdvancedDiscretizationOptions.PenaltySafety = 4; C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2; C.LevelSetSmoothing = false; C.NonLinearSolver.MaxSolverIterations = 1000; C.NonLinearSolver.MinSolverIterations = 1; C.LinearSolver.NoOfMultigridLevels = 1; C.LinearSolver.MaxSolverIterations = 1000; C.LinearSolver.MinSolverIterations = 1; C.LSunderrelax = 1.0; // Coupling Properties // ============================= C.Timestepper_LevelSetHandling = LevelSetHandling.LieSplitting; C.LSunderrelax = 1; C.maxIterationsFullyCoupled = 2000; // Timestepping // ============================= C.Timestepper_Scheme = IBM_Solver.IBM_Control.TimesteppingScheme.BDF2; C.SetTimesteps(dt: 1e-3, noOfTimesteps: 2500); // haben fertig... // =============== return(C); }
public static FSI_Control WetParticleWallCollision(double DensityFactor = 400) { FSI_Control C = new FSI_Control(degree: 3, projectName: "wetParticleWallCollision"); C.SetSaveOptions(@"D:\BoSSS_databases\wetParticleCollision", 1); //C.SetSaveOptions(@"\\hpccluster\hpccluster-scratch\deussen\cluster_db\WetParticleCollision", 1); //C.SetSaveOptions(@"/work/scratch/ij83requ/default_bosss_db", 1); List <string> boundaryValues = new List <string> { "Wall_left", "Wall_right", "Wall_lower", "Pressure_Outlet_upper" }; C.SetBoundaries(boundaryValues); C.SetAddaptiveMeshRefinement(4); C.SetGrid(lengthX: 5, lengthY: 1, cellsPerUnitLength: 6, periodicX: false, periodicY: false); C.hydrodynamicsConvergenceCriterion = 1e-3; C.pureDryCollisions = false; // Fluid Properties // ============================= C.PhysicalParameters.rho_A = 1; C.PhysicalParameters.mu_A = 1; C.PhysicalParameters.Material = true; C.gravity = new Vector(0, -10); double particleDensity = 1 * DensityFactor; // Particle Properties // ============================= // Defining particles C.Particles = new List <Particle>(); InitializeMotion motion = new InitializeMotion(C.gravity, particleDensity, C.pureDryCollisions, false, false, 0); C.Particles.Add(new Particle_Sphere(motion, 0.125, new double[] { 0.0, -0.0002 }, 0, 0, new double[] { 0, 0 })); // Quadrature rules // ============================= C.CutCellQuadratureType = Foundation.XDG.XQuadFactoryHelper.MomentFittingVariants.Saye; // Physical Parameters // ============================= C.PhysicalParameters.IncludeConvection = false; // misc. solver options // ============================= C.AdvancedDiscretizationOptions.PenaltySafety = 4; C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2; C.LevelSetSmoothing = false; C.NonLinearSolver.MaxSolverIterations = 1000; C.NonLinearSolver.MinSolverIterations = 1; C.LinearSolver.NoOfMultigridLevels = 1; C.LinearSolver.MaxSolverIterations = 1000; C.LinearSolver.MinSolverIterations = 1; C.LSunderrelax = 1.0; C.LinearSolver.SolverCode = LinearSolverCode.classic_pardiso; // Coupling Properties // ============================= C.Timestepper_LevelSetHandling = LevelSetHandling.FSI_LieSplittingFullyCoupled; C.LSunderrelax = 1; C.maxIterationsFullyCoupled = 2000; // Timestepping // ============================= C.Timestepper_Scheme = IBM_Solver.IBM_Control.TimesteppingScheme.BDF2; C.SetTimesteps(1e-3, 500, false); // haben fertig... // =============== return(C); }
public static FSI_Control ActiveRod_noWalls(int k = 3) { FSI_Control C = new FSI_Control(k, "activeRod_noBackroundFlow", "active Particles"); C.SetSaveOptions(dataBasePath: @"\\hpccluster\hpccluster-scratch\deussen\cluster_db\Channel", savePeriod: 1); // Domain // ============================= List <string> boundaryValues = new List <string> { "Pressure_Outlet" }; C.SetBoundaries(boundaryValues); C.SetGrid(lengthX: 20, lengthY: 8, cellsPerUnitLength: 1, periodicX: false, periodicY: false); C.SetAddaptiveMeshRefinement(amrLevel: 6); // Coupling Properties // ============================= C.Timestepper_LevelSetHandling = LevelSetHandling.FSI_LieSplittingFullyCoupled; C.maxIterationsFullyCoupled = 100000; C.hydrodynamicsConvergenceCriterion = 1e-1; // Fluid Properties // ============================= C.PhysicalParameters.rho_A = 1; C.PhysicalParameters.mu_A = 1; C.PhysicalParameters.IncludeConvection = true; C.gravity = new double[] { 0, 0 }; double particleDensity = 1; // Particle Properties // ============================= C.underrelaxationParam = new ParticleUnderrelaxationParam(C.hydrodynamicsConvergenceCriterion, ParticleUnderrelaxationParam.UnderrelaxationMethod.ProcentualRelaxation, relaxationFactor: 3.0, useAddaptiveUnderrelaxation: true); ParticleMotionInit motion = new ParticleMotionInit(C.gravity, particleDensity, false, false, false, C.underrelaxationParam, 1); C.Particles = new List <Particle> { new Particle_Ellipsoid(motion, 0.5, 0.05, new double[] { 0.0, 0.0 }, startAngl: 0, activeStress: 1) }; // Quadrature rules // ============================= C.CutCellQuadratureType = Foundation.XDG.XQuadFactoryHelper.MomentFittingVariants.Saye; //Initial Values // ============================= //C.InitialValues_Evaluators.Add("Phi", X => phiComplete(X, 0)); C.InitialValues_Evaluators.Add("VelocityX", X => 0); C.InitialValues_Evaluators.Add("VelocityY", X => 0); // For restart // ============================= //C.RestartInfo = new Tuple<Guid, TimestepNumber>(new Guid("42c82f3c-bdf1-4531-8472-b65feb713326"), 400); //C.GridGuid = new Guid("f1659eb6 -b249-47dc-9384-7ee9452d05df"); // misc. solver options // ============================= C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2; C.LevelSetSmoothing = false; C.NonLinearSolver.MaxSolverIterations = 1000; C.NonLinearSolver.MinSolverIterations = 1; C.LinearSolver.NoOfMultigridLevels = 1; C.LinearSolver.MaxSolverIterations = 1000; C.LinearSolver.MinSolverIterations = 1; // Timestepping // ============================= C.Timestepper_Scheme = IBM_Solver.IBM_Control.TimesteppingScheme.BDF2; C.SetTimesteps(dt: 1e-3, noOfTimesteps: 1000000000); return(C); }
public static FSI_Control RectangleTest(int k = 3) { FSI_Control C = new FSI_Control(degree: k, projectName: "9_active_Rods"); //C.SetSaveOptions(@"D:\BoSSS_databases\multipleActiveParticles", 1); List <string> boundaryValues = new List <string> { "Wall_left", "Wall_right", "Wall_lower", "Wall_upper" }; C.SetBoundaries(boundaryValues); C.SetGrid(lengthX: 3, lengthY: 3, cellsPerUnitLength: 30, periodicX: false, periodicY: false); //C.SetAddaptiveMeshRefinement(amrLevel: 2); C.hydrodynamicsConvergenceCriterion = 1e-2; // Fluid Properties // ============================= C.PhysicalParameters.rho_A = 1; C.PhysicalParameters.mu_A = 1; C.PhysicalParameters.IncludeConvection = true; C.pureDryCollisions = true; C.gravity = new double[] { 0, -9.81 }; // Particle Properties // ============================= double particleDensity = 20; ParticleMotionInit motion1 = new ParticleMotionInit(C.gravity, particleDensity, C.pureDryCollisions, false, false); ParticleMotionInit motion2 = new ParticleMotionInit(C.gravity, particleDensity, C.pureDryCollisions, true, true); C.Particles.Add(new Particle_Shell(motion2, 1, 0.5, 0.2, new double[] { 0, 0 }, startAngl: 0)); C.Particles.Add(new Particle_Sphere(motion1, 0.1, new double[] { 0, 1 }, startAngl: 0)); // misc. solver options // ============================= C.Timestepper_Scheme = FSI_Solver.FSI_Control.TimesteppingScheme.BDF2; double dt = 1e-3; C.dtMax = dt; C.dtMin = dt; C.Endtime = 1000000; C.NoOfTimesteps = 1000000; C.AdvancedDiscretizationOptions.PenaltySafety = 4; C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2; C.LevelSetSmoothing = false; C.NonLinearSolver.MaxSolverIterations = 1000; C.NonLinearSolver.MinSolverIterations = 1; C.LinearSolver.NoOfMultigridLevels = 1; C.LinearSolver.MaxSolverIterations = 1000; C.LinearSolver.MinSolverIterations = 1; C.LSunderrelax = 1.0; // Coupling Properties // ============================= C.CutCellQuadratureType = Foundation.XDG.XQuadFactoryHelper.MomentFittingVariants.Saye; C.Timestepper_LevelSetHandling = LevelSetHandling.LieSplitting; C.LSunderrelax = 1; C.maxIterationsFullyCoupled = 1000000; return(C); }
public static FSI_Control TestHydrodynamicForces(int k = 2) { FSI_Control C = new FSI_Control(degree: k, projectName: "HydrodynamicForces"); //C.SetSaveOptions(@"/home/ij83requ/default_bosss_db", 1); List <string> boundaryValues = new List <string> { "Velocity_Inlet_left", "Pressure_Outlet_right", "Wall_lower", "Wall_upper" }; C.SetBoundaries(boundaryValues); C.SetGrid(lengthX: 8, lengthY: 6, cellsPerUnitLength: 2, periodicX: false, periodicY: false); C.SetAddaptiveMeshRefinement(amrLevel: 1); C.hydrodynamicsConvergenceCriterion = 1e-4; C.AddBoundaryValue("Velocity_Inlet_left", "VelocityX", X => 1.0); // Fluid Properties // ============================= C.PhysicalParameters.rho_A = 0.1; C.PhysicalParameters.mu_A = 1e-1; C.PhysicalParameters.Material = true; double particleDensity = 1.0; C.gravity = new Vector(0, 0); InitializeMotion motion = new InitializeMotion(C.gravity, particleDensity, C.pureDryCollisions, false, false, 1); // Particle Properties // ============================= C.Particles = new List <Particle>(); int numOfParticles = 1; for (int d = 0; d < numOfParticles; d++) { C.Particles.Add(new Particle_Sphere(motion, 0.5, new double[] { 0.0, 0.0 }, startAngl: 0)); } // Quadrature rules // ============================= C.CutCellQuadratureType = Foundation.XDG.XQuadFactoryHelper.MomentFittingVariants.Saye; // Physical Parameters // ============================= C.PhysicalParameters.IncludeConvection = true; // misc. solver options // ============================= C.AdvancedDiscretizationOptions.PenaltySafety = 4; C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2; C.LevelSetSmoothing = false; C.NonLinearSolver.MaxSolverIterations = 1000; C.NonLinearSolver.MinSolverIterations = 1; C.LinearSolver.NoOfMultigridLevels = 1; C.LinearSolver.MaxSolverIterations = 1000; C.LinearSolver.MinSolverIterations = 1; C.LSunderrelax = 1.0; // Coupling Properties // ============================= C.Timestepper_LevelSetHandling = LevelSetHandling.FSI_LieSplittingFullyCoupled; C.LSunderrelax = 1; C.maxIterationsFullyCoupled = 1000; // Timestepping // ============================= C.Timestepper_Scheme = FSI_Solver.FSI_Control.TimesteppingScheme.BDF2; double dt = 1e-3; C.dtMax = dt; C.dtMin = dt; C.Endtime = 1e-3; C.NoOfTimesteps = 2; // haben fertig... // =============== return(C); }
public static FSI_Control TestParticleParameter(int k = 2) { FSI_Control C = new FSI_Control(k, "ParticleParameterTest"); List <string> boundaryValues = new List <string> { "Pressure_Outlet" }; C.SetBoundaries(boundaryValues); C.SetGrid(lengthX: 8, lengthY: 4, cellsPerUnitLength: 1, periodicX: false, periodicY: false); C.SetAddaptiveMeshRefinement(amrLevel: 1); C.pureDryCollisions = true; // Initial Values // ============== // Coupling Properties C.Timestepper_LevelSetHandling = LevelSetHandling.LieSplitting; // Fluid Properties C.PhysicalParameters.rho_A = 1.0; C.PhysicalParameters.mu_A = 0.1; C.CoefficientOfRestitution = 0; double particleDensity1 = 2; InitializeMotion motion1 = new InitializeMotion(C.gravity, particleDensity1, C.pureDryCollisions); double particleDensity2 = 1; InitializeMotion motion2 = new InitializeMotion(C.gravity, particleDensity2, C.pureDryCollisions); C.Particles.Add(new Particle_Sphere(motion1, 1, new double[] { -2.0, 0.0 })); C.Particles.Add(new Particle_Ellipsoid(motion2, 1, 1, new double[] { 2.0, 0.0 }, startAngl: 0)); C.InitialValues_Evaluators.Add("VelocityX", X => 0); C.InitialValues_Evaluators.Add("VelocityY", X => 0); C.PhysicalParameters.IncludeConvection = false; // misc. solver options // ==================== C.AdvancedDiscretizationOptions.PenaltySafety = 4; C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2; C.LevelSetSmoothing = true; C.LinearSolver.MaxSolverIterations = 10; C.NonLinearSolver.MaxSolverIterations = 10; C.LinearSolver.NoOfMultigridLevels = 1; C.hydrodynamicsConvergenceCriterion = 1e-2; // Timestepping // ============ C.Timestepper_Scheme = FSI_Solver.FSI_Control.TimesteppingScheme.BDF2; double dt = 1e-2; C.dtMax = dt; C.dtMin = dt; C.Endtime = 1e-2; C.NoOfTimesteps = 1; // haben fertig... // =============== return(C); }
public static FSI_Control TestStickyTrap(int k = 2) { FSI_Control C = new FSI_Control(degree: k, projectName: "ParticleCollisionTest") { pureDryCollisions = true }; // grid and boundary conditions // ============================ List <string> boundaryValues = new List <string> { "Wall_left", "Wall_right", "Pressure_Outlet_lower", "Pressure_Outlet_upper" }; C.SetBoundaries(boundaryValues); C.SetGrid(lengthX: 3, lengthY: 3, cellsPerUnitLength: 10, periodicX: false, periodicY: false); //C.SetAddaptiveMeshRefinement(amrLevel: 2); // Initial Values // ============== // Coupling Properties C.Timestepper_LevelSetHandling = LevelSetHandling.LieSplitting; // Fluid Properties C.PhysicalParameters.rho_A = 1.0; C.PhysicalParameters.mu_A = 0.1; C.CoefficientOfRestitution = 0; C.gravity = new Vector(0, -9.81); // Particle Properties //C.PhysicalParameters.mu_B = 0.1; //C.particleMass = 1; double particleDensity1 = 4.0; InitializeMotion motion1 = new InitializeMotion(C.gravity, particleDensity1, C.pureDryCollisions, true); double particleDensity2 = 1.0; InitializeMotion motion2 = new InitializeMotion(C.gravity, particleDensity2, C.pureDryCollisions, true, true); C.Particles.Add(new Particle_Sphere(motion1, 0.18, new double[] { 0.0, 0.6 })); C.Particles.Add(new Particle_superEllipsoid(motion2, 0.4, 0.2, 4, new double[] { 0.45, 0 }, startAngl: 45)); C.Particles.Add(new Particle_superEllipsoid(motion2, 0.4, 0.2, 4, new double[] { -0.45, 0 }, startAngl: -45)); C.PhysicalParameters.IncludeConvection = false; // misc. solver options // ==================== C.AdvancedDiscretizationOptions.PenaltySafety = 4; C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2; C.LevelSetSmoothing = false; C.LinearSolver.MaxSolverIterations = 10; C.NonLinearSolver.MaxSolverIterations = 10; C.LinearSolver.NoOfMultigridLevels = 1; C.hydrodynamicsConvergenceCriterion = 1e-2; // Timestepping // ============ //C.Timestepper_Mode = FSI_Control.TimesteppingMode.Splitting; C.Timestepper_Scheme = FSI_Solver.FSI_Control.TimesteppingScheme.BDF2; double dt = 1e-2; C.dtMax = dt; C.dtMin = dt; C.Endtime = 10.0; C.NoOfTimesteps = 35; // haben fertig... // =============== return(C); }
public static FSI_Control ActiveRods_noBackroundFlow(int k = 2) { FSI_Control C = new FSI_Control(degree: k, projectName: "41_active_Rods"); //C.SetSaveOptions(@"/work/scratch/ij83requ/default_bosss_db", 1); //C.SetSaveOptions(dataBasePath: @"D:\BoSSS_databases\Channel", savePeriod: 1); List <string> boundaryValues = new List <string> { "Wall" }; C.SetBoundaries(boundaryValues); C.SetGrid(lengthX: 8, lengthY: 8, cellsPerUnitLength: 8, periodicX: false, periodicY: false); C.SetAddaptiveMeshRefinement(amrLevel: 2); C.hydrodynamicsConvergenceCriterion = 1e-2; // Fluid Properties // ============================= C.PhysicalParameters.rho_A = 1; C.PhysicalParameters.mu_A = 1; C.PhysicalParameters.IncludeConvection = false; C.CoefficientOfRestitution = 1; // Particle Properties // ============================= double particleDensity = 2; InitializeMotion motion = new InitializeMotion(C.gravity, particleDensity, false, false, false, 1); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { -1, 0 }, startAngl: 12, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { 1, 0 }, startAngl: 39, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { -2, 2 }, startAngl: -1, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { 2.5, 2 }, startAngl: 192, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { -2, -1.5 }, startAngl: 20, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { 2.5, -1.5 }, startAngl: 42, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { 0, 1 }, startAngl: 51, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { -3, -3 }, startAngl: 180, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { 0, -1 }, startAngl: -33, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { -0.5, -3 }, startAngl: -48, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { 1, -3 }, startAngl: -1, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { -2.5, 0 }, startAngl: 15, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { 2.5, 0 }, startAngl: 115, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { 0, 3 }, startAngl: -15, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { -2.5, 3 }, startAngl: 5, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { 2.5, 3 }, startAngl: 111, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { 3, -3 }, startAngl: 187, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { -2, 1 }, startAngl: 1, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { 0.5, -2 }, startAngl: 8, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { -3.5, -1.5 }, startAngl: 92, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { -3.5, 1.5 }, startAngl: -90, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { -1.8, -3 }, startAngl: 90, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { 1.8, 2 }, startAngl: -90, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { 3, 1 }, startAngl: -180, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { -0.7, 2.2 }, startAngl: -180, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { -1, 3.1 }, startAngl: -90, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { 1.8, 3.1 }, startAngl: -96, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { 1.8, -1 }, startAngl: 45, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { 3.5, 3.1 }, startAngl: -96, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { 0.6, 2 }, startAngl: 172, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { -0.9, -2.0 }, startAngl: -162, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { 1.5, 1 }, startAngl: 181, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { -1, 1 }, startAngl: -91, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { 3.2, -2 }, startAngl: -179, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { -3.5, 3 }, startAngl: -72, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { 0, 0 }, startAngl: 213, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { -1.2, -1 }, startAngl: -43, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { -2.4, -0.7 }, startAngl: -3, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { -3.2, 0.7 }, startAngl: 43, activeStress: 10)); C.Particles.Add(new Particle_Ellipsoid(motion, 0.4, 0.2, new double[] { 2, -3.4 }, startAngl: 91, activeStress: 10)); // misc. solver options // ============================= C.Timestepper_Scheme = IBM_Solver.IBM_Control.TimesteppingScheme.BDF2; double dt = 1e-3; C.dtMax = dt; C.dtMin = dt; C.Endtime = 100000000; C.NoOfTimesteps = int.MaxValue; C.AdvancedDiscretizationOptions.PenaltySafety = 4; C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2; C.LevelSetSmoothing = false; C.NonLinearSolver.MaxSolverIterations = 1000; C.NonLinearSolver.MinSolverIterations = 1; C.LinearSolver.NoOfMultigridLevels = 1; C.LinearSolver.MaxSolverIterations = 1000; C.LinearSolver.MinSolverIterations = 1; C.LSunderrelax = 1.0; C.LinearSolver.SolverCode = LinearSolverCode.classic_pardiso; // Coupling Properties // ============================= C.CutCellQuadratureType = Foundation.XDG.XQuadFactoryHelper.MomentFittingVariants.Saye; C.Timestepper_LevelSetHandling = LevelSetHandling.FSI_LieSplittingFullyCoupled; C.LSunderrelax = 1; C.maxIterationsFullyCoupled = 1000000; return(C); }
public static FSI_Control StokesFlow(int k = 2, int amrLevel = 1) { FSI_Control C = new FSI_Control(degree: k, projectName: "wetParticleWallCollision"); C.SetSaveOptions(@"D:\BoSSS_databases\wetParticleCollision", 1); List <string> boundaryValues = new List <string> { "Wall" }; C.SetBoundaries(boundaryValues); C.SetGrid(lengthX: 2, lengthY: 2, cellsPerUnitLength: 12, periodicX: false, periodicY: false); C.SetAddaptiveMeshRefinement(amrLevel, true); C.hydrodynamicsConvergenceCriterion = 1e-2; // Fluid Properties // ============================= C.PhysicalParameters.rho_A = 1; C.PhysicalParameters.mu_A = 1e-2; C.PhysicalParameters.Material = true; C.gravity = new Vector(0, -0.01); // Particle Properties // ============================= double particleDensity = 2; C.Particles = new List <Particle>(); InitializeMotion motion = new InitializeMotion(C.gravity, particleDensity, false, false, false, 0); C.Particles.Add(new Particle_Sphere(motion, 0.25, new double[] { 0.0, 0.0 }, -90, 0, new double[] { 0, 0 })); // Quadrature rules // ============================= C.CutCellQuadratureType = Foundation.XDG.XQuadFactoryHelper.MomentFittingVariants.Saye; // Physical Parameters // ============================= C.PhysicalParameters.IncludeConvection = false; // misc. solver options // ============================= C.AdvancedDiscretizationOptions.PenaltySafety = 4; C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2; C.LevelSetSmoothing = false; C.NonLinearSolver.MaxSolverIterations = 1000; C.NonLinearSolver.MinSolverIterations = 1; C.LinearSolver.NoOfMultigridLevels = 1; C.LinearSolver.MaxSolverIterations = 1000; C.LinearSolver.MinSolverIterations = 1; C.LSunderrelax = 1.0; // Coupling Properties // ============================= C.Timestepper_LevelSetHandling = LevelSetHandling.FSI_LieSplittingFullyCoupled; C.LSunderrelax = 1; C.maxIterationsFullyCoupled = 20000; // Timestepping // ============================= C.Timestepper_Scheme = IBM_Solver.IBM_Control.TimesteppingScheme.BDF2; C.SetTimesteps(dt: 1e-3, noOfTimesteps: int.MaxValue); // haben fertig... // =============== return(C); }
public static FSI_Control ActiveRod_noBackroundFlow(int k = 2, int amrLevel = 1, double aspectRatio = 2, double activeStress = 1) { FSI_Control C = new FSI_Control(k, "activeRod_noBackroundFlow", "active Particles"); //C.SetSaveOptions(dataBasePath: @"/home/ij83requ/default_bosss_db", savePeriod: 1); C.SetSaveOptions(dataBasePath: @"D:\BoSSS_databases\Channel", savePeriod: 1); // Domain // ============================= List <string> boundaryValues = new List <string> { "Pressure_Outlet_left", "Pressure_Outlet_right", "Wall_lower", "Wall_upper" }; C.SetBoundaries(boundaryValues); C.SetGrid(lengthX: 20, lengthY: 1, cellsPerUnitLength: 20, periodicX: false, periodicY: false); C.SetAddaptiveMeshRefinement(amrLevel); // Coupling Properties // ============================= C.Timestepper_LevelSetHandling = LevelSetHandling.FSI_LieSplittingFullyCoupled; C.LevelSetSmoothing = false; C.CutCellQuadratureType = Foundation.XDG.XQuadFactoryHelper.MomentFittingVariants.Saye; C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2; C.hydrodynamicsConvergenceCriterion = 1e-4; // Fluid Properties // ============================= C.PhysicalParameters.rho_A = 1; C.PhysicalParameters.mu_A = 1; C.PhysicalParameters.IncludeConvection = false; double particleDensity = 10; // Particle Properties // ============================= InitializeMotion motion = new InitializeMotion(C.gravity, particleDensity, false, false, false, 1.5); double particleRadius = 0.1; C.Particles = new List <Particle> { new Particle_Ellipsoid(motion, aspectRatio * particleRadius, particleRadius, new double[] { 0.0, 0.0 }, 0, activeStress) }; // misc. solver options // ============================= C.NonLinearSolver.MaxSolverIterations = 1000; C.NonLinearSolver.MinSolverIterations = 1; C.LinearSolver.NoOfMultigridLevels = 1; C.LinearSolver.MaxSolverIterations = 1000; C.LinearSolver.MinSolverIterations = 1; C.LinearSolver.SolverCode = LinearSolverCode.classic_pardiso; // Timestepping // ============================= C.Timestepper_Scheme = IBM_Solver.IBM_Control.TimesteppingScheme.BDF2; C.SetTimesteps(dt: 1e-2, noOfTimesteps: int.MaxValue); return(C); }