/// <summary>
/// Automatic choice of linear solver depending on problem size, immersed boundary, polynomial degree, etc.
/// </summary>
static void AutomaticChoice(IBM_Control Control, XdgBDFTimestepping Timestepper)
{
throw new NotImplementedException("Option currently not available");
// Detecting MPI Size
MPI.Wrappers.csMPI.Raw.Comm_Size(MPI.Wrappers.csMPI.Raw._COMM.WORLD, out int size);
//Timestepper.MultigridSequence[0].
// Spatial Dimension
//Timestepper.
// Wenn Gesamtproblem in 2D < 100000 DoFs -> Direct Solver
// Wenn Gesamtproblem in 3D < 10000 DoFs -> Direct Solver
// Block Solve 3D ca. 6000 DoFs per Process -> Adjust Blocks per Process
// Coarse Solve ca. 5000 bis 10000 DoFs. -> Adjust Multigrid Levels
}
/// <summary>
/// Choose solver depending on configurations made in the control file.
/// </summary>
/// <param name="nonlinSol"></param>
/// <param name="linSol"></param>
/// <param name="Timestepper"></param>
public static void ChooseSolver(IBM_Control Control, ref XdgBDFTimestepping Timestepper)
{
// Set several solver options for Timestepper
Timestepper.Config_SolverConvergenceCriterion = Control.Solver_ConvergenceCriterion;
Timestepper.Config_MaxIterations = Control.MaxSolverIterations;
Timestepper.Config_MinIterations = Control.MinSolverIterations;
Timestepper.Config_MaxKrylovDim = Control.MaxKrylovDim;
// Set nonlinear Solver
switch (Control.NonlinearSolve)
{
case NonlinearSolverCodes.NewtonGMRES:
Timestepper.Config_NonlinearSolver = NonlinearSolverMethod.Newton;
break;
case NonlinearSolverCodes.Picard:
Timestepper.Config_NonlinearSolver = NonlinearSolverMethod.Picard;
break;
default:
throw new NotImplementedException("Nonlinear solver option not available");
}
switch (Control.LinearSolve)
{
case LinearSolverCodes.automatic:
AutomaticChoice(Control, Timestepper);
break;
case LinearSolverCodes.classic_mumps:
Timestepper.Config_linearSolver = new DirectSolver()
{
WhichSolver = DirectSolver._whichSolver.MUMPS
};
break;
case LinearSolverCodes.classic_pardiso:
Timestepper.Config_linearSolver = new DirectSolver()
{
WhichSolver = DirectSolver._whichSolver.PARDISO
};
break;
case LinearSolverCodes.exp_schwarz_directcoarse_overlap:
if (Control.NoOfMultigridLevels < 2)
{
throw new ApplicationException("At least 2 Multigridlevels are required");
}
Timestepper.Config_linearSolver = new Schwarz()
{
m_BlockingStrategy = new Schwarz.METISBlockingStrategy()
{
NoOfPartsPerProcess = 1,
},
Overlap = 1,
CoarseSolver = DetermineMGSquence(Control.NoOfMultigridLevels - 2)
};
break;
case LinearSolverCodes.exp_schwarz_directcoarse:
if (Control.NoOfMultigridLevels < 2)
{
throw new ApplicationException("At least 2 Multigridlevels are required");
}
Timestepper.Config_linearSolver = new Schwarz()
{
m_BlockingStrategy = new Schwarz.METISBlockingStrategy()
{
NoOfPartsPerProcess = 1,
},
Overlap = 0,
CoarseSolver = DetermineMGSquence(Control.NoOfMultigridLevels - 2)
};
break;
case LinearSolverCodes.exp_schwarz_Kcycle_directcoarse:
if (Control.NoOfMultigridLevels < 2)
{
throw new ApplicationException("At least 2 Multigridlevels are required");
}
Timestepper.Config_linearSolver = new Schwarz()
{
m_BlockingStrategy = new Schwarz.MultigridBlocks()
{
Depth = Control.NoOfMultigridLevels - 1
},
Overlap = 0,
CoarseSolver = DetermineMGSquence(Control.NoOfMultigridLevels - 2)
};
break;
case LinearSolverCodes.exp_schwarz_Kcycle_directcoarse_overlap:
if (Control.NoOfMultigridLevels < 2)
{
throw new ApplicationException("At least 2 Multigridlevels are required");
}
Timestepper.Config_linearSolver = new Schwarz()
{
m_BlockingStrategy = new Schwarz.MultigridBlocks()
{
Depth = Control.NoOfMultigridLevels - 1
},
Overlap = 1,
CoarseSolver = DetermineMGSquence(Control.NoOfMultigridLevels - 2)
};
break;
case LinearSolverCodes.exp_softgmres:
Timestepper.Config_linearSolver = new SoftGMRES()
{
MaxKrylovDim = Timestepper.Config_MaxKrylovDim,
};
break;
case LinearSolverCodes.exp_softgmres_schwarz_Kcycle_directcoarse_overlap:
Timestepper.Config_linearSolver = new SoftGMRES()
{
MaxKrylovDim = Timestepper.Config_MaxKrylovDim,
Precond = new Schwarz()
{
m_BlockingStrategy = new Schwarz.MultigridBlocks()
{
Depth = Control.NoOfMultigridLevels - 1
},
Overlap = 1,
CoarseSolver = DetermineMGSquence(Control.NoOfMultigridLevels - 2)
},
};
break;
default:
throw new NotImplementedException("Linear solver option not available");
}
}
static public IBM_Control ChannelFlow(int k = 2, bool periodic = false, bool pardiso = true, int xCells = 10, int yCells = 10)
{
IBM_Control C = new IBM_Control();
// Solver Options
C.NoOfTimesteps = 100;
C.MaxSolverIterations = 50;
C.savetodb = false;
C.ProjectName = "ChannelFlow";
// Calculate Navier-Stokes?
C.PhysicalParameters.IncludeConvection = true;
// Timestepper
C.FixedStreamwisePeriodicBC = periodic;
C.SrcPressureGrad = new double[] { -0.1, 0 };
if (pardiso)
{
C.whichSolver = DirectSolver._whichSolver.PARDISO;
}
else
{
C.whichSolver = DirectSolver._whichSolver.MUMPS;
}
C.Timestepper_Scheme = IBM_Control.TimesteppingScheme.ImplicitEuler;
double dt = 1E20;
C.dtMax = dt;
C.dtMin = dt;
C.Endtime = 60;
C.NoOfTimesteps = 1;
// Physical values
C.PhysicalParameters.rho_A = 1;
// 1/Re
C.PhysicalParameters.mu_A = 1.0 / 20;
// Create Fields
C.FieldOptions.Add("VelocityX", new FieldOpts()
{
Degree = k,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("VelocityY", new FieldOpts()
{
Degree = k,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("Pressure", new FieldOpts()
{
Degree = k - 1,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("PhiDG", new FieldOpts()
{
Degree = 2,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("Phi", new FieldOpts()
{
Degree = 2,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
// Create Grid
C.GridFunc = delegate {
var _xNodes = GenericBlas.Linspace(0, 10, 21);
var _yNodes = GenericBlas.Linspace(-1, 1, 11);
var grd = Grid2D.Cartesian2DGrid(_xNodes, _yNodes, Foundation.Grid.RefElements.CellType.Square_Linear, periodicX: periodic);
if (!periodic)
{
grd.EdgeTagNames.Add(1, "Velocity_inlet");
grd.EdgeTagNames.Add(4, "Pressure_Outlet");
}
grd.EdgeTagNames.Add(2, "Wall_bottom");
grd.EdgeTagNames.Add(3, "Wall_top");
grd.DefineEdgeTags(delegate(double[] _X) {
var X = _X;
double x = X[0];
double y = X[1];
if (Math.Abs(y - (-1)) < 1.0e-6)
{
// bottom
return(2);
}
if (Math.Abs(y - (+1)) < 1.0e-6)
{
// top
return(3);
}
if (!periodic)
{
if (Math.Abs(x - (0)) < 1.0e-6)
{
// left
return(1);
}
if (Math.Abs(x - (10)) < 1.0e-6)
{
// right
return(4);
}
}
throw new ArgumentOutOfRangeException();
});
Console.WriteLine("2D Channel Flow");
return(grd);
};
Func <double[], double, double> VelocityX = (X, t) => (1 - (X[1] * X[1]));
Func <double[], double, double> VelocityY = (X, t) => 0;
Func <double[], double, double> Pressure = (X, t) => 0;
C.ExSol_Velocity_Evaluator = new Func <double[], double, double>[] { VelocityX, VelocityY };
//Func<double[], double, double> Velocity = new Func<double[], double, double>;
//C.ExSol_Velocity[0] = (X, t) => (1 - (X[1] * X[1]));
//C.ExSol_Velocity["A"][1] = (X, t) => (1 - (X[1] * X[1]));
//C.ExSol_Pressure["A"] = (X, t) => 0;
if (!periodic)
{
C.AddBoundaryCondition("Velocity_inlet", "VelocityX", X => 1 - X[1] * X[1]);
C.AddBoundaryCondition("Pressure_Outlet");
}
C.AddBoundaryCondition("Wall_bottom");
C.AddBoundaryCondition("Wall_top");
// Set Initial Conditions
C.InitialValues_Evaluators.Add("VelocityX", X => 0);
C.InitialValues_Evaluators.Add("VelocityY", X => 0);
C.InitialValues_Evaluators.Add("Phi", X => - 1);
return(C);
}
public static IBM_Control IBMCylinderFlow(string _DbPath = null, int k = 2, bool xPeriodic = false, double VelXBase = 0.0)
{
IBM_Control C = new IBM_Control();
const double BaseSize = 1.0;
// basic database options
// ====================
C.savetodb = false;
C.ProjectDescription = "Cylinder";
C.Tags.Add("with immersed boundary method");
// DG degrees
// ==========
C.FieldOptions.Add("VelocityX", new FieldOpts()
{
Degree = k,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("VelocityY", new FieldOpts()
{
Degree = k,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("Pressure", new FieldOpts()
{
Degree = k - 1,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("PhiDG", new FieldOpts()
{
Degree = 2,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("Phi", new FieldOpts()
{
Degree = 2,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
// grid and boundary conditions
// ============================
C.GridFunc = delegate {
var _xNodes1 = Grid1D.TanhSpacing(0, 1, 5, 1, false);
_xNodes1 = _xNodes1.GetSubVector(0, (_xNodes1.Length - 1));
var _xNodes2 = GenericBlas.Linspace(1, 5.5, 35);
_xNodes2 = _xNodes2.GetSubVector(0, (_xNodes2.Length - 1));
var _xNodes3 = Grid1D.TanhSpacing(5.5, 22, 20, 1.3, true);
var xNodes = ArrayTools.Cat(_xNodes1, _xNodes2, _xNodes3);
var _yNodes1 = Grid1D.TanhSpacing(0, 1, 5, 1.2, false);
_yNodes1 = _yNodes1.GetSubVector(0, (_yNodes1.Length - 1));
var _yNodes2 = GenericBlas.Linspace(1, 3, 20);
_yNodes2 = _yNodes2.GetSubVector(0, (_yNodes2.Length - 1));
var _yNodes3 = Grid1D.TanhSpacing(3, 4.1, 5, 1.2, true);
var yNodes = ArrayTools.Cat(_yNodes1, _yNodes2, _yNodes3);
var grd = Grid2D.Cartesian2DGrid(xNodes, yNodes, periodicX: xPeriodic);
grd.EdgeTagNames.Add(1, "Velocity_Inlet_upper");
grd.EdgeTagNames.Add(2, "Velocity_Inlet_lower");
if (!xPeriodic)
{
grd.EdgeTagNames.Add(3, "Velocity_Inlet_left");
grd.EdgeTagNames.Add(4, "Pressure_Outlet_right");
}
grd.DefineEdgeTags(delegate(double[] X) {
byte et = 0;
if (Math.Abs(X[1] - (0 * BaseSize)) <= 1.0e-8)
{
et = 1;
}
if (Math.Abs(X[1] + (-4.1 * BaseSize)) <= 1.0e-8)
{
et = 2;
}
if (!xPeriodic && Math.Abs(X[0] - (0 * BaseSize)) <= 1.0e-8)
{
et = 3;
}
if (!xPeriodic && Math.Abs(X[0] + (-22 * BaseSize)) <= 1.0e-8)
{
et = 4;
}
Debug.Assert(et != 0);
return(et);
});
return(grd);
};
C.AddBoundaryCondition("Velocity_Inlet_upper", "VelocityX", X => 0);
C.AddBoundaryCondition("Velocity_Inlet_lower", "VelocityX", X => 0);
if (!xPeriodic)
{
C.AddBoundaryCondition("Velocity_Inlet_left", "VelocityX", X => (4 * 1.5 * X[1] * (4.1 - X[1]) / (4.1 * 4.1)));
}
C.AddBoundaryCondition("Pressure_Outlet_right");
// Initial Values
// ==============
C.particleRadius = 0.5;
C.InitialValues_Evaluators.Add("Phi", X => - (X[0] - 2).Pow2() + -(X[1] - 2).Pow2() + C.particleRadius.Pow2());
C.InitialValues_Evaluators.Add("VelocityX", X => 0);
// Physical Parameters
// ===================
C.PhysicalParameters.mu_A = 0.05;
C.PhysicalParameters.rho_A = 1;
C.PhysicalParameters.IncludeConvection = true;
C.PhysicalParameters.Material = true;
// misc. solver options
// ====================
C.AdvancedDiscretizationOptions.PenaltySafety = 1;
C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.1;
C.LevelSetSmoothing = false;
C.MaxKrylovDim = 20;
C.MaxSolverIterations = 100;
C.VelocityBlockPrecondMode = MultigridOperator.Mode.SymPart_DiagBlockEquilib_DropIndefinite;
C.NoOfMultigridLevels = 1;
// Timestepping
// ============
C.Timestepper_Scheme = IBM_Control.TimesteppingScheme.BDF2;
double dt = 1E20;
C.dtFixed = dt;
C.dtMax = dt;
C.dtMin = dt;
C.Endtime = 200;
C.NoOfTimesteps = 1;
// haben fertig...
// ===============
return(C);
}
static public IBM_Control PrecTest3dDegenhardt(int precNo = 4, int channel = 1, int name_newton = 1, int k = 3, int cells_x = 4, int cells_yz = 5, int re = 100, int ASparts = 3, int ASDepth = 2, int MGLevels = 3, int maxKrDim = 1000, int saveToDB = 1)
{
IBM_Control C = new IBM_Control();
//in SolverFactory die DoF parts ändern
//Possibilities:
//channel = 0 --> channel 3D with sphere
//channel = 1 --> channel 3D empty
//channel = 2 --> channel 2D with cylinder
//channel = 3 --> channel 2D empty
string sessName = "";
if (channel == 0)
{
sessName = "Channel_3D_Sphere";
}
else if (channel == 1)
{
sessName = "Channel_3D_empty";
}
else if (channel == 2)
{
sessName = "Channel_2D_Cylinder";
}
else if (channel == 3)
{
sessName = "Channel_2D_empty";
}
string precString = "";
if (precNo == 0)
{
precString = "_noPrec";
}
if (precNo == 1)
{
precString = "_Schur";
}
if (precNo == 2)
{
precString = "_Simple";
}
if (precNo == 3)
{
precString = "_AS-1000";
}
if (precNo == 4)
{
precString = "_AS-5000";
}
if (precNo == 5)
{
precString = "_AS-10000";
}
if (precNo == 6)
{
precString = "_AS-MG";
}
if (precNo == 7)
{
precString = "_localPrec";
}
// basic database options
// ======================
// if (saveToDB == 1)
// C.savetodb = true;
//else
//C.savetodb = false;
C.savetodb = true;
C.DbPath = @" \\dc1\scratch\Krause\Datenbank_Louis\degenhardt_final";
//C.DbPath = @"\\hpccluster\hpccluster-scratch\krause\cluster_db";
//C.DbPath = @"/home/oe11okuz/BoSSS_DB/Lichtenberg_DB";
//string restartSession = "727da287-1b6a-463e-b7c9-7cc19093b5b3";
//string restartGrid = "3f8f3445-46f1-47ed-ac0e-8f0260f64d8f";
C.DynamicLoadBalancing_Period = 1;
//C.DynamicLoadBalancing_CellCostEstimatorFactory = delegate (IApplication<AppControl> app, int noOfPerformanceClasses) {
// Console.WriteLine("i was called");
// int[] map = new int[] { 1, 5, 100 };
// return new StaticCellCostEstimator(map);
//};
if (name_newton == 1)
{
C.SessionName = "Newton_" + sessName + precString + "_k" + k + "_x" + cells_x + "_yz" + cells_yz + "_re" + re + "_asp" + ASparts + "_asd" + ASDepth + "_mgl" + MGLevels + "_kr" + maxKrDim;
C.ProjectDescription = "Newton_" + sessName + precString + "_k" + k + "_x" + cells_x + "_yz" + cells_yz + "_re" + re + "_asp" + ASparts + "_asd" + ASDepth + "_mgl" + MGLevels + "_kr" + maxKrDim;
}
else
{
C.SessionName = "Picard_" + sessName + precString + "_k" + k + "_x" + cells_x + "_yz" + cells_yz + "_re" + re + "_asp" + ASparts + "_asd" + ASDepth + "_mgl" + MGLevels + "_kr" + maxKrDim;
C.ProjectDescription = "Picard_" + sessName + precString + "_k" + k + "_x" + cells_x + "_yz" + cells_yz + "_re" + re + "_asp" + ASparts + "_asd" + ASDepth + "_mgl" + MGLevels + "_kr" + maxKrDim;
}
C.saveperiod = 1;
//C.SessionName = "Sphere_k" + k + "_h" + h+"Re100";
C.ProjectName = "iteration-study";
C.Tags.Add("Prec param study");
// Create Fields
C.FieldOptions.Add("VelocityX", new FieldOpts()
{
Degree = k,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("VelocityY", new FieldOpts()
{
Degree = k,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("Pressure", new FieldOpts()
{
Degree = k - 1,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("PhiDG", new FieldOpts()
{
Degree = 2,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("Phi", new FieldOpts()
{
Degree = 2,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
if (channel == 0 || channel == 1) //3D
{
C.FieldOptions.Add("VelocityZ", new FieldOpts()
{
Degree = k,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
}
#region Creates grid () and sets BC
//// Create Grid
Console.WriteLine("...generating grid");
if (channel == 0 || channel == 1) //3D
{
#region grid 3D
C.GridFunc = delegate
{
// x-direction
var _xNodes = GenericBlas.Linspace(-0.5, 1.5, cells_x + 1);
// y-direction
var _yNodes = GenericBlas.Linspace(-0.5, 0.5, cells_yz + 1);
// z-direction
var _zNodes = GenericBlas.Linspace(-0.5, 0.5, cells_yz + 1);
// Cut Out
var grd = Grid3D.Cartesian3DGrid(_xNodes, _yNodes, _zNodes, CellType.Cube_Linear, false, true, false);
grd.EdgeTagNames.Add(1, "Velocity_inlet");
grd.EdgeTagNames.Add(2, "Wall");
grd.EdgeTagNames.Add(3, "Pressure_Outlet");
grd.DefineEdgeTags(delegate(double[] _X)
{
var X = _X;
double x = X[0];
double y = X[1];
double z = X[2];
if (Math.Abs(x - (-0.5)) < 1.0e-6)
{
// inlet
return(1);
}
if (Math.Abs(x - (1.5)) < 1.0e-6)
{
// outlet
return(3);
}
if (Math.Abs(y - (-0.5)) < 1.0e-6)
{
// left
return(2);
}
if (Math.Abs(y - (0.5)) < 1.0e-6)
{
// right
return(2);
}
if (Math.Abs(z - (-0.5)) < 1.0e-6)
{
// top left
return(2);
}
if (Math.Abs(z - (0.5)) < 1.0e-6)
{
// top right
return(2);
}
throw new ArgumentOutOfRangeException();
});
return(grd);
};
#endregion
}
else
{
#region grid 2D
C.GridFunc = delegate {
// x-direction
var _xnodes = GenericBlas.Linspace(-0.5, 1.5, cells_x + 1);
// y-direction
var _ynodes = GenericBlas.Linspace(-0.5, 0.5, cells_yz + 1);
var grd = Grid2D.Cartesian2DGrid(_xnodes, _ynodes, CellType.Square_Linear, false, false);
grd.EdgeTagNames.Add(1, "Velocity_inlet");
grd.EdgeTagNames.Add(2, "Wall");
grd.EdgeTagNames.Add(3, "Pressure_Outlet");
grd.DefineEdgeTags(delegate(double[] _X)
{
var X = _X;
double x = X[0];
double y = X[1];
if (Math.Abs(x - (-0.5)) < 1.0e-6)
{
// inlet
return(1);
}
if (Math.Abs(x - (1.5)) < 1.0e-6)
{
// outlet
return(3);
}
if (Math.Abs(y - (-0.5)) < 1.0e-6)
{
// left
return(2);
}
if (Math.Abs(y - (0.5)) < 1.0e-6)
{
// right
return(2);
}
throw new ArgumentOutOfRangeException();
});
return(grd);
};
#endregion
}
#endregion
// set initial conditions
C.InitialValues_Evaluators.Add("Pressure", X => 0);
C.InitialValues_Evaluators.Add("VelocityY", X => 0);
if (channel == 0 | channel == 1) //3D
{
//C.InitialValues_Evaluators.Add("VelocityX", X => 1 - 4 * (X[2] * X[2]));
C.InitialValues_Evaluators.Add("VelocityX", X => 0);
C.InitialValues_Evaluators.Add("VelocityZ", X => 0);
}
else
{
//C.InitialValues_Evaluators.Add("VelocityX", X => 1 - 4 * (X[1] * X[1]));
C.InitialValues_Evaluators.Add("VelocityX", X => 0);
}
// Because its a sphere
if (channel == 0) //3D channel sphere
{
C.particleRadius = 0.1;
C.InitialValues_Evaluators.Add("Phi", x => - (x[0]).Pow2() + -(x[1]).Pow2() + -(x[2]).Pow2() + C.particleRadius.Pow2());
}
else if (channel == 1 || channel == 3) //3D channel empty or 2D channel empty
{
C.InitialValues_Evaluators.Add("Phi", x => - 1);
}
else if (channel == 2) //2D channel cylinder
{
var radius = 0.1;
C.particleRadius = radius;
C.InitialValues_Evaluators.Add("Phi", X => - (X[0]).Pow2() + -(X[1]).Pow2() + radius.Pow2());
}
Console.WriteLine("...starting calculation of Preconditioning test with 3D Channel");
if (name_newton == 1)
{
Console.WriteLine("newton_" + sessName + precString + "_k" + k + "_x" + cells_x + "_yz" + cells_yz + "_re" + re + "_asp" + ASparts + "_asd" + ASDepth + "_mgl" + MGLevels + "_kr" + maxKrDim);
}
else
{
Console.WriteLine("picard_" + sessName + precString + "_k" + k + "_x" + cells_x + "_yz" + cells_yz + "_re" + re + "_asp" + ASparts + "_asd" + ASDepth + "_mgl" + MGLevels + "_kr" + maxKrDim);
}
// Physical values
C.PhysicalParameters.rho_A = 1;
// 1/Re
//C.PhysicalParameters.mu_A = 1.0 / 10.0;
//C.PhysicalParameters.mu_A = 0.2 / re;
C.PhysicalParameters.mu_A = 1.0 / re;
// Boundary conditions
C.AddBoundaryValue("Velocity_inlet", "VelocityY", (x, t) => 0);
C.AddBoundaryValue("Wall");
C.AddBoundaryValue("Pressure_Outlet");
if (channel == 0 || channel == 1) //3D
{
C.AddBoundaryValue("Velocity_inlet", "VelocityX", (x, t) => 1 - 4 * (x[2] * x[2]));
}
else
{
C.AddBoundaryValue("Velocity_inlet", "VelocityX", (x, t) => 1 - 4 * (x[1] * x[1]));
}
// misc. solver options
// ====================
C.PhysicalParameters.IncludeConvection = true;
C.AdvancedDiscretizationOptions.PenaltySafety = 4;
C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2;
C.LevelSetSmoothing = false;
//C.LinearSolver.MaxKrylovDim = 1000;
C.LinearSolver.MaxKrylovDim = maxKrDim;
C.LinearSolver.MaxSolverIterations = 100;
C.LinearSolver.MinSolverIterations = 1;
C.NonLinearSolver.MaxSolverIterations = 100;
C.NonLinearSolver.MinSolverIterations = 1;
C.LinearSolver.ConvergenceCriterion = 1E-5;
C.NonLinearSolver.ConvergenceCriterion = 1E-5;
//C.LinearSolver.ConvergenceCriterion = 1E-6;
C.VelocityBlockPrecondMode = MultigridOperator.Mode.SymPart_DiagBlockEquilib_DropIndefinite;
// Choosing the Preconditioner
ISolverSmootherTemplate Prec;
if (name_newton == 1)
{
C.NonLinearSolver.SolverCode = NonLinearSolverCode.Newton; // Newton GMRES will be executed if a GMRES linsolver is chosen
}
else
{
C.NonLinearSolver.SolverCode = NonLinearSolverCode.Picard; // Picard GMRES will be executed if a GMRES linsolver is chosen
}
switch (precNo)
{
case 0:
{
Prec = null;
break;
}
case 1:
{
C.LinearSolver.SolverCode = LinearSolverCode.exp_gmres_Schur;
break;
}
case 2:
{
C.LinearSolver.SolverCode = LinearSolverCode.exp_gmres_Simple;
break;
}
case 3:
{
C.LinearSolver.SolverCode = LinearSolverCode.exp_gmres_AS;
C.LinearSolver.TargetBlockSize = 1000;
C.LinearSolver.NoOfMultigridLevels = MGLevels; // 3 // --> grobes MG am Ende nochmal
break;
}
case 4:
{
C.LinearSolver.SolverCode = LinearSolverCode.exp_gmres_AS;
C.LinearSolver.TargetBlockSize = 5000;
C.LinearSolver.NoOfMultigridLevels = MGLevels;
break;
}
case 5:
{
C.LinearSolver.SolverCode = LinearSolverCode.exp_gmres_AS;
C.LinearSolver.TargetBlockSize = 10000;
C.LinearSolver.NoOfMultigridLevels = MGLevels;
break;
}
case 6:
{
//depth = 2,
// Depth = ASDepth, //--> MG bei der Blockzerlegung --> Resultat ergibt die Blöcke zur Berechnung (kleine Blöcke--> schlecht)
C.LinearSolver.SolverCode = LinearSolverCode.exp_gmres_AS_MG;
C.NoOfMultigridLevels = 2;
C.LinearSolver.NoOfMultigridLevels = MGLevels;
break;
}
case 7:
{
C.LinearSolver.SolverCode = LinearSolverCode.exp_gmres_localPrec;;
C.LinearSolver.NoOfMultigridLevels = MGLevels;
break;
}
case 8:
{
C.LinearSolver.NoOfMultigridLevels = 5;
Prec = new Schwarz()
{
m_BlockingStrategy = new Schwarz.METISBlockingStrategy()
{
//noofparts = 5,
NoOfPartsPerProcess = ASparts,
},
CoarseSolver = new ClassicMultigrid()
{
CoarserLevelSolver = new ClassicMultigrid()
{
CoarserLevelSolver = new ClassicMultigrid()
{
CoarserLevelSolver = new DirectSolver()
{
WhichSolver = DirectSolver._whichSolver.MUMPS
},
},
},
},
Overlap = 1
};
break;
}
default:
{
Prec = new SchurPrecond()
{
SchurOpt = SchurPrecond.SchurOptions.decoupledApprox
};
break;
}
}
// For Newton
// C.LinearSolver.SolverCoder = Prec;
////For Picard
//C.LinearSolver.SolverCoder = new SoftGMRES()
//{
// MaxKrylovDim = C.LinearSolver.MaxKrylovDim,
// Precond_solver = Prec,
// m_Tolerance = 1E-6,
// m_MaxIterations = 50
//};
// Timestepping
// ============
C.Timestepper_Scheme = IBM_Control.TimesteppingScheme.BDF2;
double dt = 1E20;
C.dtFixed = dt;
C.dtMax = dt;
C.dtMin = dt;
C.Endtime = 10000000;
C.NoOfTimesteps = 1;
return(C);
}
static public IBM_Control PrecTest3DChannel(int k, int cells_x, int cells_yz)
{
IBM_Control C = new IBM_Control();
// basic database options
// ======================
C.savetodb = false;
//C.DbPath = @"/home/oe11okuz/BoSSS_DB/Lichtenberg_DB";
//C.DbPath = @"P:\BoSSS_DBs\Bug";
//string restartSession = "727da287-1b6a-463e-b7c9-7cc19093b5b3";
//string restartGrid = "3f8f3445-46f1-47ed-ac0e-8f0260f64d8f";
//C.DynamicLoadBalancing_Period = 1;
//C.DynamicLoadBalancing_CellCostEstimatorFactories.Add(delegate (IApplication app, int noOfPerformanceClasses) {
// Console.WriteLine("i was called");
// int[] map = new int[] { 1, 5, 100 };
// return new StaticCellCostEstimator(map);
//});
C.DynamicLoadBalancing_RedistributeAtStartup = false;
//c.DynamicLoadBalancing_CellClassifier = new IndifferentCellClassifier();
C.DynamicLoadBalancing_CellCostEstimatorFactories.Add((p, i) => new StaticCellCostEstimator(new[] { 1 }));
//c.DynamicLoadBalancing_CellCostEstimatorFactories.Add((p, i) => new StaticCellCostEstimator(new[] { 10, 1 }));
//c.DynamicLoadBalancing_CellCostEstimatorFactories.AddRange(ArtificialViscosityCellCostEstimator.GetStaticCostBasedEstimator());
//c.DynamicLoadBalancing_CellCostEstimatorFactories.AddRange(ArtificialViscosityCellCostEstimator.GetMultiBalanceConstraintsBasedEstimators());
// Assign correct names
C.SessionName = "Channel_" + k + "_" + cells_x + "x" + cells_yz;
C.saveperiod = 1;
//C.SessionName = "Sphere_k" + k + "_h" + h+"Re100";
C.ProjectName = "3DChannel";
C.ProjectDescription = "Sphere_k" + k + cells_x + "x" + cells_yz + "x" + cells_yz;
C.Tags.Add("Prec Test");
// Create Fields
C.SetDGdegree(k);
#region Creates grid () and sets BC
//// Create Grid
Console.WriteLine("...generating grid");
C.GridFunc = delegate {
// x-direction
var _xNodes = GenericBlas.Linspace(-0.5, 1.5, cells_x + 1);
// y-direction
var _yNodes = GenericBlas.Linspace(-0.5, 0.5, cells_yz + 1);
// z-direction
var _zNodes = GenericBlas.Linspace(-0.5, 0.5, cells_yz + 1);
// Cut Out
var grd = Grid3D.Cartesian3DGrid(_xNodes, _yNodes, _zNodes, CellType.Cube_Linear, false, true, false);
grd.EdgeTagNames.Add(1, "Velocity_inlet");
grd.EdgeTagNames.Add(2, "Wall");
grd.EdgeTagNames.Add(3, "Pressure_Outlet");
grd.DefineEdgeTags(delegate(double[] _X) {
var X = _X;
double x = X[0];
double y = X[1];
double z = X[2];
if (Math.Abs(x - (-0.5)) < 1.0e-6)
{
// inlet
return(1);
}
if (Math.Abs(x - (1.5)) < 1.0e-6)
{
// outlet
return(3);
}
if (Math.Abs(y - (-0.5)) < 1.0e-6)
{
// left
return(2);
}
if (Math.Abs(y - (0.5)) < 1.0e-6)
{
// right
return(2);
}
if (Math.Abs(z - (-0.5)) < 1.0e-6)
{
// top left
return(2);
}
if (Math.Abs(z - (0.5)) < 1.0e-6)
{
// top right
return(2);
}
throw new ArgumentOutOfRangeException();
});
return(grd);
};
#endregion
// Set Initial Conditions
C.InitialValues_Evaluators.Add("VelocityX", X => 1 - 4 * (X[2] * X[2]));
C.InitialValues_Evaluators.Add("VelocityY", X => 0);
C.InitialValues_Evaluators.Add("VelocityZ", X => 0);
C.InitialValues_Evaluators.Add("Pressure", X => 0);
// Because its only channeö
C.InitialValues_Evaluators.Add("Phi", X => - 1);
Console.WriteLine("...starting calculation of Preconditioning test with 3D Channel");
// Physical values
C.PhysicalParameters.rho_A = 1;
C.PhysicalParameters.mu_A = 1.0 / 10.0;
// Boundary conditions
C.AddBoundaryValue("Velocity_inlet", "VelocityX", (X, t) => 1 - 4 * (X[2] * X[2]));
C.AddBoundaryValue("Velocity_inlet", "VelocityY", (X, t) => 0);
C.AddBoundaryValue("Wall");
C.AddBoundaryValue("Pressure_Outlet");
// misc. solver options
// ====================
C.PhysicalParameters.IncludeConvection = true;
C.AdvancedDiscretizationOptions.PenaltySafety = 4;
C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2;
C.LevelSetSmoothing = false;
C.LinearSolver.MaxKrylovDim = 1000;
C.LinearSolver.MaxSolverIterations = 1;
C.NonLinearSolver.MaxSolverIterations = 1;
C.LinearSolver.ConvergenceCriterion = 1E-5;
C.NonLinearSolver.ConvergenceCriterion = 1E-5;
C.VelocityBlockPrecondMode = MultigridOperator.Mode.SymPart_DiagBlockEquilib_DropIndefinite;
// Solver configuration
C.NonLinearSolver.SolverCode = NonLinearSolverCode.Newton; // Newton GMRES will be executed if a GMRES linsolver is chosen
C.LinearSolver.SolverCode = LinearSolverCode.classic_mumps;
// Timestepping
// ============
C.Timestepper_Scheme = IBM_Control.TimesteppingScheme.BDF2;
double dt = 1E20;
C.dtFixed = dt;
C.dtMax = dt;
C.dtMin = dt;
C.Endtime = 10000000;
C.NoOfTimesteps = 1;
C.LinearSolver.NoOfMultigridLevels = 7;
return(C);
}
static public IBM_Control SphereFlow(string _DbPath = null, int k = 2, int cells_x = 11, int cells_yz = 9, bool only_channel = true, bool pardiso = true, int no_p = 1, int no_it = 1, bool restart = false, bool load_Grid = false, string _GridGuid = null)
{
IBM_Control C = new IBM_Control();
// basic database options
// ======================
//C.DbPath = _DbPath;
C.savetodb = true;
//C.savetodb = false;
//C.DbPath = @"\\dc1\userspace\krause\BoSSS_DBs\Bug";
C.DbPath = @"/home/ws35kire/test_db/";
//string restartSession = "727da287-1b6a-463e-b7c9-7cc19093b5b3";
//string restartGrid = "3f8f3445-46f1-47ed-ac0e-8f0260f64d8f";
C.DynamicLoadBalancing_Period = 1;
C.DynamicLoadBalancing_CellCostEstimatorFactories.Add(delegate(IApplication <AppControl> app, int noOfPerformanceClasses) {
Console.WriteLine("i was called");
int[] map = new int[] { 1, 5, 100 };
return(new StaticCellCostEstimator(map));
});
// Assign correct names
if (pardiso)
{
if (only_channel)
{
C.SessionName = "Channel_Pardiso_k" + k + "_" + cells_x + "x" + cells_yz + "x" + cells_yz + "_no_p" + no_p + "_run" + no_it;
}
else
{
C.SessionName = "Sphere_Pardiso_k" + k + cells_x + "x" + cells_yz + "x" + cells_yz + "_no_p" + no_p + "_run" + no_it;
}
}
else
{
if (only_channel)
{
C.SessionName = "Channel_Mumps_k" + k + cells_x + "x" + cells_yz + "x" + cells_yz + "_no_p" + no_p + "_run" + no_it;
}
else
{
C.SessionName = "Sphere_Mumps_k" + k + cells_x + "x" + cells_yz + "x" + cells_yz + "_no_p" + no_p + "_run" + no_it;
}
}
C.saveperiod = 1;
//C.SessionName = "Sphere_k" + k + "_h" + h+"Re100";
C.ProjectName = "Sphere3D_Stokes";
C.ProjectDescription = "Sphere_k" + k + cells_x + "x" + cells_yz + "x" + cells_yz;
C.Tags.Add("with immersed boundary method");
C.Tags.Add("Pardiso " + pardiso);
C.Tags.Add("only channel " + only_channel);
C.Tags.Add("k " + k);
C.Tags.Add("no_p" + no_p);
C.Tags.Add("run " + no_it);
C.Tags.Add("cells_x " + cells_x);
C.Tags.Add("cells_yz " + cells_yz);
C.Tags.Add("restart " + restart);
// Create Fields
C.FieldOptions.Add("VelocityX", new FieldOpts()
{
Degree = k,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("VelocityY", new FieldOpts()
{
Degree = k,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("VelocityZ", new FieldOpts()
{
Degree = k,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("Pressure", new FieldOpts()
{
Degree = k - 1,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("PhiDG", new FieldOpts()
{
Degree = 2,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("Phi", new FieldOpts()
{
Degree = 2,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
//if (restart)
//{
// C.RestartInfo = new Tuple<Guid, TimestepNumber>(new Guid(restartSession), -1);
// C.GridGuid = new Guid(restartGrid);
//}
// Load Grid
if (!restart)
{
if (load_Grid == true)
{
Console.WriteLine("...loading grid");
C.GridGuid = new Guid(_GridGuid);
}
else
{
#region Creates grid () and sets BC
//// Create Grid
Console.WriteLine("...generating grid");
C.GridFunc = delegate {
// x-direction
var _xNodes = GenericBlas.Linspace(-10, 30, cells_x + 1);
// y-direction
var _yNodes = GenericBlas.Linspace(-10, 10, cells_yz + 1);
// z-direction
var _zNodes = GenericBlas.Linspace(-10, 10, cells_yz + 1);
// Cut Out
var grd = Grid3D.Cartesian3DGrid(_xNodes, _yNodes, _zNodes, false, false, false, CellType.Cube_Linear);
grd.EdgeTagNames.Add(1, "Velocity_inlet");
grd.EdgeTagNames.Add(2, "Pressure_Outlet");
// grd.EdgeTagNames.Add(3, "Wall");
grd.DefineEdgeTags(delegate(double[] _X) {
var X = _X;
double x = X[0];
double y = X[1];
double z = X[2];
if (Math.Abs(x - (-10)) < 1.0e-6)
{
// inlet
return(1);
}
if (Math.Abs(x - (30)) < 1.0e-6)
{
// outlet
return(2);
}
if (Math.Abs(y - (-10)) < 1.0e-6)
{
// left
return(2);
}
if (Math.Abs(y - (10)) < 1.0e-6)
{
// right
return(2);
}
if (Math.Abs(z - (-10)) < 1.0e-6)
{
// top left
return(2);
}
if (Math.Abs(z - (10)) < 1.0e-6)
{
// top right
return(2);
}
throw new ArgumentOutOfRangeException();
});
return(grd);
};
}
#endregion
//// Create Grid with HANGING NODES
//Console.WriteLine("...generating grid");
//C.GridFunc = delegate {
// // Box1
// var box1_p1 = new double[3] { -10, -10, -10 };
// var box1_p2 = new double[3] { 30, 10, 10 };
// var box1 = new GridCommons.GridBox(box1_p1, box1_p2,10,5,5);
// // Box2
// var box2_p1 = new double[3] { 0, -5, -5 };
// var box2_p2 = new double[3] { 20, 5, 5 };
// var box2 = new GridCommons.GridBox(box2_p1, box2_p2, 10, 6, 6);
// // Cut Out
// var grd = Grid3D.HangingNodes3D(false, true, true, box1, box2);
// grd.EdgeTagNames.Add(1, "Velocity_inlet");
// grd.EdgeTagNames.Add(2, "Pressure_Outlet");
// grd.EdgeTagNames.Add(3, "Wall");
// grd.DefineEdgeTags(delegate (double[] _X) {
// var X = _X;
// double x = X[0];
// double y = X[1];
// double z = X[2];
// if (Math.Abs(x - (-10)) < 1.0e-6)
// // inlet
// return 1;
// if (Math.Abs(x - (30)) < 1.0e-6)
// // outlet
// return 2;
// if (Math.Abs(y - (-10)) < 1.0e-6)
// // left
// return 1;
// if (Math.Abs(y - (10)) < 1.0e-6)
// // right
// return 1;
// if (Math.Abs(z - (-10)) < 1.0e-6)
// // top left
// return 1;
// if (Math.Abs(z - (10)) < 1.0e-6)
// // top right
// return 1;
// throw new ArgumentOutOfRangeException();
// });
// Console.WriteLine("Cells: {0}", grd.NumberOfCells);
// return grd;
//};
#region Creates grid (17710 Cells) and sets BC
//// Create Grid
//Console.WriteLine("...generating grid");
//C.GridFunc = delegate {
// // x-direction
// var _xNodes1 = Grid1D.ExponentialSpaceing(-9.5, -3, 11, 0.98);
// _xNodes1 = _xNodes1.GetSubVector(0, (_xNodes1.Length - 1));
// var _xNodes2 = Grid1D.ExponentialSpaceing(-3, -1, 9, 0.95);
// _xNodes2 = _xNodes2.GetSubVector(0, (_xNodes2.Length - 1));
// var _xNodes3 = Grid1D.ExponentialSpaceing(-1, 0, 8, 1);
// _xNodes3 = _xNodes3.GetSubVector(0, (_xNodes3.Length - 1));
// var _xNodes4 = Grid1D.ExponentialSpaceing(0, 2, 9, 1.05);
// _xNodes4 = _xNodes4.GetSubVector(0, (_xNodes4.Length - 1));
// var _xNodes5 = Grid1D.ExponentialSpaceing(2, 8.5, 16, 1.02);
// _xNodes5 = _xNodes5.GetSubVector(0, (_xNodes5.Length - 1));
// var _xNodes6 = Grid1D.ExponentialSpaceing(8.5, 12.5, 5, 1);
// var _xNodes = ArrayTools.Cat(_xNodes1, _xNodes2, _xNodes3, _xNodes4, _xNodes5, _xNodes6);
// // y-direction
// var _yNodes1 = Grid1D.ExponentialSpaceing(-9, -2.5, 8, 0.91);
// _yNodes1 = _yNodes1.GetSubVector(0, (_yNodes1.Length - 1));
// var _yNodes2 = Grid1D.ExponentialSpaceing(-2.5, -0.5, 8, 0.95);
// _yNodes2 = _yNodes2.GetSubVector(0, (_yNodes2.Length - 1));
// var _yNodes3 = Grid1D.ExponentialSpaceing(-0.5, 0.5, 8, 1.0);
// _yNodes3 = _yNodes3.GetSubVector(0, (_yNodes3.Length - 1));
// var _yNodes4 = Grid1D.ExponentialSpaceing(0.5, 2.5, 8, 1.05);
// _yNodes4 = _yNodes4.GetSubVector(0, (_yNodes4.Length - 1));
// var _yNodes5 = Grid1D.ExponentialSpaceing(2.5, 9, 8, 1.1);
// var _yNodes = ArrayTools.Cat(_yNodes1, _yNodes2, _yNodes3, _yNodes4, _yNodes5);
// // z-direction
// var _zNodes = GenericBlas.Linspace(-3, 3, 11);
// // Cut Out
// double[] CutOutPoint1 = new double[3];
// CutOutPoint1[0] = -1;
// CutOutPoint1[1] = -0.5;
// CutOutPoint1[2] = -3;
// double[] CutOutPoint2 = new double[3];
// CutOutPoint2[0] = 0;
// CutOutPoint2[1] = 0.5;
// CutOutPoint2[2] = 3;
// var CutOut = new BoundingBox(3);
// CutOut.AddPoint(CutOutPoint1);
// CutOut.AddPoint(CutOutPoint2);
// var grd = Grid3D.Cartesian3DGrid(_xNodes, _yNodes, _zNodes, false, false, true, CellType.Cube_Linear, CutOut);
// grd.EdgeTagNames.Add(1, "Velocity_inlet");
// grd.EdgeTagNames.Add(2, "Pressure_Outlet");
// grd.EdgeTagNames.Add(3, "Wall");
// grd.DefineEdgeTags(delegate(double[] _X) {
// var X = _X;
// double x = X[0];
// double y = X[1];
// double z = X[2];
// if (Math.Abs(x - (-9.5)) < 1.0e-6)
// // inlet
// return 1;
// if (Math.Abs(x - (12.5)) < 1.0e-6)
// // outlet
// return 2;
// if (Math.Abs(z - (-3)) < 1.0e-6)
// // left
// return 2;
// if (Math.Abs(z - (3)) < 1.0e-6)
// // right
// return 2;
// if (Math.Abs(x - (-1)) < 1.0e-6)
// // Cube front
// return 3;
// if (Math.Abs(x - (0)) < 1.0e-6)
// // cube back
// return 3;
// if (Math.Abs(y - (-0.5)) < 1.0e-6)
// // cube left
// return 3;
// if (Math.Abs(y - (0.5)) < 1.0e-6)
// // cube right
// return 3;
// throw new ArgumentOutOfRangeException();
// });
// return grd;
//};
#endregion
// Set Initial Conditions
C.InitialValues_Evaluators.Add("VelocityX", X => 0.5);
C.InitialValues_Evaluators.Add("VelocityY", X => 0);
C.InitialValues_Evaluators.Add("VelocityZ", X => 0.5);
C.InitialValues_Evaluators.Add("Pressure", X => 0);
if (only_channel)
{
C.InitialValues_Evaluators.Add("Phi", X => - 1);
}
else
{
C.InitialValues_Evaluators.Add("Phi", X => - (X[0]).Pow2() + -(X[1]).Pow2() + -(X[2]).Pow2() + C.particleRadius.Pow2());
}
}
Console.WriteLine("...starting calculation of Sphere3D");
// Initial Solution
// Physical values
C.particleRadius = 2.5;
C.PhysicalParameters.rho_A = 1;
C.PhysicalParameters.mu_A = 2.5 * 2 / 100;
// Boundary conditions
C.AddBoundaryCondition("Velocity_inlet", "VelocityX", (X, t) => 1);
C.AddBoundaryCondition("Velocity_inlet", "VelocityY", (X, t) => 0);
//C.AddBoundaryCondition("Velocity_inlet", "VelocityZ", (X, t) => 0);
// C.AddBoundaryCondition("Wall");
C.AddBoundaryCondition("Pressure_Outlet");
// misc. solver options
// ====================
C.PhysicalParameters.IncludeConvection = true;
C.AdvancedDiscretizationOptions.PenaltySafety = 4;
C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2;
C.LevelSetSmoothing = false;
C.MaxKrylovDim = 20;
C.MaxSolverIterations = 50;
C.VelocityBlockPrecondMode = MultigridOperator.Mode.SymPart_DiagBlockEquilib_DropIndefinite;
// Timestepping
// ============
if (pardiso)
{
C.whichSolver = DirectSolver._whichSolver.PARDISO;
}
else
{
C.whichSolver = DirectSolver._whichSolver.MUMPS;
}
//C.whichSolver = DirectSolver._whichSolver.MUMPS;
C.Timestepper_Scheme = IBM_Control.TimesteppingScheme.BDF2;
double dt = 0.1;
C.dtFixed = dt;
C.dtMax = dt;
C.dtMin = dt;
C.Endtime = 10000000;
//C.NoOfTimesteps = 10;
C.NoOfTimesteps = 1;
C.NoOfMultigridLevels = 3;
return(C);
}
static public IBM_Control IBMCylinderFlow(string _DbPath = null, int k = 2, bool only_channel = true, bool pardiso = true, int no_p = 1, int no_it = 1, bool load_Grid = false, string _GridGuid = null)
{
// int cells_x, int cells_yz
IBM_Control C = new IBM_Control();
bool xPeriodic = false;
int i = 2;
const double BaseSize = 1.0;
// basic database options
// ======================
//C.DbPath = _DbPath;
C.DbPath = @"\\dc1\userspace\stange\HiWi_database\PerformanceTests";
C.savetodb = true;
bool restart = false;
string restartSession = "67a29dcc-ade9-4704-b198-b3380e774f5a";
string restartGrid = "42e1ede0-40fc-4267-9d48-94c0397ac9a5";
bool startFromGivenGrid = true;
string startGrid = "42e1ede0-40fc-4267-9d48-94c0397ac9a5";
switch (i)
{
case 1:
C.MeshFactor = 1.258; // was 1.33
break;
case 2:
C.MeshFactor = 3.0; //1.77; //0.92;
break;
case 3:
C.MeshFactor = 0.7; // was 07
break;
default:
throw new ApplicationException();
}
if (pardiso)
{
if (only_channel)
{
C.SessionName = "2DChannel_Pardiso_k" + k + "_MeshFactor" + C.MeshFactor + "_no_p" + no_p + "_run" + no_it;
}
else
{
C.SessionName = "Cylinder_Pardiso_k" + k + "_MeshFactor" + C.MeshFactor + "_no_p" + no_p + "_run" + no_it;
}
}
else
{
if (only_channel)
{
C.SessionName = "2DChannel_Mumps_k" + k + "_MeshFactor" + C.MeshFactor + "_no_p" + no_p + "_run" + no_it;
}
else
{
C.SessionName = "Cylinder_Mumps_k" + k + "_MeshFactor" + C.MeshFactor + "_no_p" + no_p + "_run" + no_it;
}
}
C.saveperiod = 1;
//C.SessionName = "Sphere_k" + k + "_h" + h+"Re100";
C.Tags.Add("Pardiso " + pardiso);
C.Tags.Add("only channel " + only_channel);
C.Tags.Add("k " + k);
C.Tags.Add("no_p" + no_p);
C.Tags.Add("run " + no_it);
C.Tags.Add("MeshFactor " + C.MeshFactor);
C.ProjectName = "FixedCylinderRe100_k" + i + "_CellAgglo02_penalty4_newMesh2";
C.ProjectDescription = "Cylinder";
// DG degrees
// ==========
C.FieldOptions.Add("VelocityX", new FieldOpts()
{
Degree = k,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("VelocityY", new FieldOpts()
{
Degree = k,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
//Console.WriteLine("Achtung: equal order!!!!");
C.FieldOptions.Add("Pressure", new FieldOpts()
{
Degree = k - 1,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("PhiDG", new FieldOpts()
{
Degree = 2,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("Phi", new FieldOpts()
{
Degree = 2,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
// restart options
// ===============
if (restart)
{
C.RestartInfo = new Tuple <Guid, TimestepNumber>(new Guid(restartSession), -1);
C.GridGuid = new Guid(restartGrid);
}
//grid and boundary conditions
// ============================
// Initial Values
// ==============
double radius = 0.5;
C.PhysicalParameters.rho_A = 1.0;
C.PhysicalParameters.mu_A = 1.0 / 100.0;
if (!restart)
{
if (!startFromGivenGrid)
{
C.GridFunc = delegate
{
var _xNodes1 = Grid1D.TanhSpacing(-2.0, -1.0, Convert.ToInt32(10.0 * C.MeshFactor), 0.5, false); //10
_xNodes1 = _xNodes1.GetSubVector(0, (_xNodes1.Length - 1));
var _xNodes2 = GenericBlas.Linspace(-1.0, 2.0, Convert.ToInt32(35.0 * C.MeshFactor)); //35
_xNodes2 = _xNodes2.GetSubVector(0, (_xNodes2.Length - 1));
var _xNodes3 = Grid1D.TanhSpacing(2.0, 20.0, Convert.ToInt32(60.0 * C.MeshFactor), 1.5, true); //60
var xNodes = ArrayTools.Cat(_xNodes1, _xNodes2, _xNodes3);
var _yNodes1 = Grid1D.TanhSpacing(-2.0, -1.0, Convert.ToInt32(7.0 * C.MeshFactor), 0.9, false); //7
_yNodes1 = _yNodes1.GetSubVector(0, (_yNodes1.Length - 1));
var _yNodes2 = GenericBlas.Linspace(-1.0, 1.0, Convert.ToInt32(25.0 * C.MeshFactor)); //25
_yNodes2 = _yNodes2.GetSubVector(0, (_yNodes2.Length - 1));
var _yNodes3 = Grid1D.TanhSpacing(1.0, 2.1, Convert.ToInt32(7.0 * C.MeshFactor), 1.1, true); //7
var yNodes = ArrayTools.Cat(_yNodes1, _yNodes2, _yNodes3);
//double[] xNodes = GenericBlas.Linspace(0 * BaseSize, 22 * BaseSize, 25);
//double[] yNodes = GenericBlas.Linspace(0 * BaseSize, 4.1 * BaseSize, 25);
var grd = Grid2D.Cartesian2DGrid(xNodes, yNodes, periodicX: xPeriodic);
grd.EdgeTagNames.Add(1, "Velocity_Inlet_upper");
grd.EdgeTagNames.Add(2, "Velocity_Inlet_lower");
if (!xPeriodic)
{
grd.EdgeTagNames.Add(3, "Velocity_Inlet_left");
grd.EdgeTagNames.Add(4, "Pressure_Outlet_right");
}
grd.DefineEdgeTags(delegate(double[] X)
{
byte et = 0;
if (Math.Abs(X[1] - (-2.0 * BaseSize)) <= 1.0e-8)
{
et = 1;
}
if (Math.Abs(X[1] - (+2.1 * BaseSize)) <= 1.0e-8)
{
et = 2;
}
if (!xPeriodic && Math.Abs(X[0] - (-2.0 * BaseSize)) <= 1.0e-8)
{
et = 3;
}
if (!xPeriodic && Math.Abs(X[0] - (+20.0 * BaseSize)) <= 1.0e-8)
{
et = 4;
}
Debug.Assert(et != 0);
return(et);
});
Console.WriteLine("Cells: {0}", grd.NumberOfCells);
return(grd);
};
}
else
{
C.GridGuid = new Guid(startGrid);
}
if (only_channel)
{
C.InitialValues_Evaluators.Add("Phi", X => - 1);
}
else
{
C.InitialValues_Evaluators.Add("Phi", X => - (X[0]).Pow2() + -(X[1]).Pow2() + radius.Pow2());
}
//C.InitialValues.Add("Phi", X => -1);
C.InitialValues_Evaluators.Add("VelocityX", X => 4.0 * 1.5 * (X[1] + 2.0) * (4.1 - (X[1] + 2.0)) / (4.1 * 4.1));
}
//C.GridFunc = delegate {
// // Box1
// var box1_p1 = new double[2] { -2, -2 };
// var box1_p2 = new double[2] { 20, 2.1 };
// var box1 = new GridBox(box1_p1, box1_p2, 46, 20); //k1: 70,25 ; k2: 46,20 ; k3: 35,15
// // Box2
// var box2_p1 = new double[2] { -2, -2 };
// var box2_p2 = new double[2] { 3, 2.1 };
// var box2 = new GridBox(box2_p1, box2_p2, 26, 40); //k1: 40,50 ; k2: 26,40; k3: 20, 30
// // Box3
// var box3_p1 = new double[2] { -2, -1 };
// var box3_p2 = new double[2] { 1, 1 };
// var box3 = new GridBox(box3_p1, box3_p2, 32, 38); //k1: 48,58 ; k2: 32,38; k3: 24, 30
// // Box4
// var box4_p1 = new double[2] { -0.7, -0.72 };
// var box4_p2 = new double[2] { 0.7, 0.7 };
// var box4 = new GridBox(box4_p1, box4_p2, 30, 56); //k1: 44,84 ; k2: 30,56; k3: 22, 42
// var grd = Grid2D.HangingNodes2D(box1, box2, box3,box4);
// grd.EdgeTagNames.Add(1, "Velocity_Inlet_upper");
// grd.EdgeTagNames.Add(2, "Velocity_Inlet_lower");
// if (!xPeriodic) {
// grd.EdgeTagNames.Add(3, "Velocity_Inlet_left");
// grd.EdgeTagNames.Add(4, "Pressure_Outlet_right");
// }
// grd.DefineEdgeTags(delegate (double[] X) {
// byte et = 0;
// if (Math.Abs(X[1] - (-2 * BaseSize)) <= 1.0e-8)
// et = 1;
// if (Math.Abs(X[1] - (+2.1 * BaseSize)) <= 1.0e-8)
// et = 2;
// if (!xPeriodic && Math.Abs(X[0] - (-2 * BaseSize)) <= 1.0e-8)
// et = 3;
// if (!xPeriodic && Math.Abs(X[0] - (+20.0 * BaseSize)) <= 1.0e-8)
// et = 4;
// Debug.Assert(et != 0);
// return et;
// });
// Console.WriteLine("Cells: {0}", grd.NumberOfCells);
// return grd;
//};
C.AddBoundaryCondition("Velocity_Inlet_upper", "VelocityX", X => 0.0);
C.AddBoundaryCondition("Velocity_Inlet_lower", "VelocityX", X => 0.0); //-(4 * 1.5 * X[1] * (4.1 - X[1]) / (4.1 * 4.1))
if (!xPeriodic)
{
C.AddBoundaryCondition("Velocity_Inlet_left", "VelocityX", X => (4.0 * 1.5 * (X[1] + 2.0) * (4.1 - (X[1] + 2.0)) / (4.1 * 4.1)));
//C.AddBoundaryCondition("Velocity_Inlet_left", "VelocityX#A", X => 1);
}
C.AddBoundaryCondition("Pressure_Outlet_right");
//C.InitialValues.Add("Phi", X => phi(X, 0));
//C.InitialValues.Add("Phi", X => ((X[0] / (radius * BaseSize)) - mPx) * (X[0] / (radius * BaseSize)) - mPx) + ((X[1]) / (radius * BaseSize)) - 2.)Pow2() - radius.Pow2())); // quadratic form
// );
//C.InitialValues.Add("VelocityX", delegate (double[] X)
//{
// double x = X[0];
// double y = X[1];
// double R = Math.Sqrt((x + 1).Pow2() + y.Pow2());
// double xVel = 0;
// if (R < 0.75)
// {
// xVel = 1;
// }
// return xVel;
//});
//C.InitialValues.Add("VelocityY", delegate (double[] X) {
// double x = X[0];
// double y = X[1];
// double R = Math.Sqrt((x + 1).Pow2() + (y).Pow2());
// double yVel = 0;
// if (R < 0.75) {
// yVel = 1;
// }
// return yVel;
//});
// For restart
//C.RestartInfo = new Tuple<Guid, TimestepNumber>(new Guid("8f5cfed9-31c7-4be8-aa56-e92e5348e08b"), 95);
//C.GridGuid = new Guid("71ffc0c4-66aa-4762-b07e-45385f34b03f");
// Physical Parameters
// ===================
C.PhysicalParameters.IncludeConvection = true;
// misc. solver options
// ====================
C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2;
C.AdvancedDiscretizationOptions.PenaltySafety = 4;
C.LevelSetSmoothing = false;
//C.option_solver = "direct";
C.MaxKrylovDim = 20;
C.MaxSolverIterations = 50;
C.VelocityBlockPrecondMode = MultigridOperator.Mode.SymPart_DiagBlockEquilib_DropIndefinite;
//C.NoOfMultigridLevels = 0;
if (pardiso)
{
C.whichSolver = DirectSolver._whichSolver.PARDISO;
}
else
{
C.whichSolver = DirectSolver._whichSolver.MUMPS;
}
// Timestepping
// ============
C.Timestepper_Scheme = IBM_Control.TimesteppingScheme.BDF2;
double dt = 0.1;
C.dtMax = dt;
C.dtMin = dt;
C.Endtime = 70;
C.NoOfTimesteps = 10;
// haben fertig...
// ===============
return(C);
}
static public IBM_Control MittalSphereFlow(int k = 2, int h = 1)
{
IBM_Control C = new IBM_Control();
// basic database options
// ======================
C.DbPath = @"\\dc1\userspace\krause\BoSSS_DBs\Sphere3D";
C.savetodb = false;
C.ProjectName = "Sphere3D";
C.SessionName = "Sphere3D_" + k + "_Re100";
C.Tags.Add("with immersed boundary method");
// Create Fields
C.FieldOptions.Add("VelocityX", new FieldOpts()
{
Degree = k,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("VelocityY", new FieldOpts()
{
Degree = k,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("VelocityZ", new FieldOpts()
{
Degree = k,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("Pressure", new FieldOpts()
{
Degree = k - 1,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("PhiDG", new FieldOpts()
{
Degree = 2,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("Phi", new FieldOpts()
{
Degree = 2,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.AdaptiveMeshRefinement = false;
// Load Grid
Console.WriteLine("...loading grid");
C.GridGuid = new Guid("202033c5-7c2a-4c29-aaea-86d7a2f7a8a3");
//#region Creates grid () and sets BC
////// Create Grid
//Console.WriteLine("...generating grid");
//C.GridFunc = delegate {
// // x-direction
// var _xNodes = GenericBlas.Linspace(-10, 30, (10 * h) + 1);
// // y-direction
// var _yNodes = GenericBlas.Linspace(-10, 10, (5 * h) + 1);
// // z-direction
// var _zNodes = GenericBlas.Linspace(-10, 10, (5 * h) + 1);
// // Cut Out
// var grd = Grid3D.Cartesian3DGrid(_xNodes, _yNodes, _zNodes, false, false, false, CellType.Cube_Linear);
// grd.EdgeTagNames.Add(1, "Velocity_inlet");
// grd.EdgeTagNames.Add(2, "Pressure_Outlet");
// grd.DefineEdgeTags(delegate (double[] _X) {
// var X = _X;
// double x = X[0];
// double y = X[1];
// double z = X[2];
// if (Math.Abs(x - (-10)) < 1.0e-6)
// // inlet
// return 1;
// if (Math.Abs(x - (30)) < 1.0e-6)
// // outlet
// return 2;
// if (Math.Abs(y - (-10)) < 1.0e-6)
// // left
// return 2;
// if (Math.Abs(y - (10)) < 1.0e-6)
// // right
// return 2;
// if (Math.Abs(z - (-10)) < 1.0e-6)
// // top left
// return 2;
// if (Math.Abs(z - (10)) < 1.0e-6)
// // top right
// return 2;
// throw new ArgumentOutOfRangeException();
// });
// Console.WriteLine("Cells: {0}", grd.NumberOfCells);
// return grd;
//};
//#endregion
// Create Grid with HANGING NODES
//Console.WriteLine("...generating grid");
//C.GridFunc = delegate {
// // Box1
// var box1_p1 = new double[3] { -6, -7.5, -7.5 };
// var box1_p2 = new double[3] { 10, 7.5, 7.5 };
// var box1 = new GridCommons.GridBox(box1_p1, box1_p2, 16 * h, 15 * h, 15 * h);
// // Box2
// var box2_p1 = new double[3] { -2.5, -1.5, -1.5 };
// var box2_p2 = new double[3] { 7.5, 1.5, 1.5 };
// var box2 = new GridCommons.GridBox(box2_p1, box2_p2, 10 * (h + 3), 4 * (h + 3), 4 * (h + 3));
// // Cut Out
// //var box1 = new GridCommons.GridBox(box1_p1, box1_p2, 10, 5, 5);
// //var box2 = new GridCommons.GridBox(box2_p1, box2_p2, 10, 5, 5);
// var grd = Grid3D.HangingNodes3D(false, false, false, box1, box2);
// grd.EdgeTagNames.Add(1, "Velocity_inlet");
// grd.EdgeTagNames.Add(2, "Pressure_Outlet");
// //grd.EdgeTagNames.Add(3, "Wall");
// grd.DefineEdgeTags(delegate (double[] _X) {
// var X = _X;
// double x = X[0];
// double y = X[1];
// double z = X[2];
// if (Math.Abs(x - (-6)) < 1.0e-6)
// // inlet
// return 1;
// if (Math.Abs(x - (10)) < 1.0e-6)
// // outlet
// return 2;
// if (Math.Abs(y - (-7.5)) < 1.0e-6)
// // left
// return 2;
// if (Math.Abs(y - (7.5)) < 1.0e-6)
// // right
// return 2;
// if (Math.Abs(z - (-7.5)) < 1.0e-6)
// // top left
// return 2;
// if (Math.Abs(z - (7.5)) < 1.0e-6)
// // top right
// return 2;
// throw new ArgumentOutOfRangeException();
// });
// Console.WriteLine("Cells: {0}", grd.NumberOfCells);
// return grd;
//};
//Console.WriteLine("Loading Grid...");
//C.GridGuid = new Guid("9aca8eed-e98a-4dca-8024-e02edc4d3edc");
//C.GridGuid = new Guid("099cffa4-238d-42ad-8fbd-85228bfc6b1e");
#region Creates grid (17710 Cells) and sets BC
//// Create Grid
//Console.WriteLine("...generating grid");
//C.GridFunc = delegate {
// // x-direction
// var _xNodes1 = Grid1D.ExponentialSpaceing(-9.5, -3, 11, 0.98);
// _xNodes1 = _xNodes1.GetSubVector(0, (_xNodes1.Length - 1));
// var _xNodes2 = Grid1D.ExponentialSpaceing(-3, -1, 9, 0.95);
// _xNodes2 = _xNodes2.GetSubVector(0, (_xNodes2.Length - 1));
// var _xNodes3 = Grid1D.ExponentialSpaceing(-1, 0, 8, 1);
// _xNodes3 = _xNodes3.GetSubVector(0, (_xNodes3.Length - 1));
// var _xNodes4 = Grid1D.ExponentialSpaceing(0, 2, 9, 1.05);
// _xNodes4 = _xNodes4.GetSubVector(0, (_xNodes4.Length - 1));
// var _xNodes5 = Grid1D.ExponentialSpaceing(2, 8.5, 16, 1.02);
// _xNodes5 = _xNodes5.GetSubVector(0, (_xNodes5.Length - 1));
// var _xNodes6 = Grid1D.ExponentialSpaceing(8.5, 12.5, 5, 1);
// var _xNodes = ArrayTools.Cat(_xNodes1, _xNodes2, _xNodes3, _xNodes4, _xNodes5, _xNodes6);
// // y-direction
// var _yNodes1 = Grid1D.ExponentialSpaceing(-9, -2.5, 8, 0.91);
// _yNodes1 = _yNodes1.GetSubVector(0, (_yNodes1.Length - 1));
// var _yNodes2 = Grid1D.ExponentialSpaceing(-2.5, -0.5, 8, 0.95);
// _yNodes2 = _yNodes2.GetSubVector(0, (_yNodes2.Length - 1));
// var _yNodes3 = Grid1D.ExponentialSpaceing(-0.5, 0.5, 8, 1.0);
// _yNodes3 = _yNodes3.GetSubVector(0, (_yNodes3.Length - 1));
// var _yNodes4 = Grid1D.ExponentialSpaceing(0.5, 2.5, 8, 1.05);
// _yNodes4 = _yNodes4.GetSubVector(0, (_yNodes4.Length - 1));
// var _yNodes5 = Grid1D.ExponentialSpaceing(2.5, 9, 8, 1.1);
// var _yNodes = ArrayTools.Cat(_yNodes1, _yNodes2, _yNodes3, _yNodes4, _yNodes5);
// // z-direction
// var _zNodes = GenericBlas.Linspace(-3, 3, 11);
// // Cut Out
// double[] CutOutPoint1 = new double[3];
// CutOutPoint1[0] = -1;
// CutOutPoint1[1] = -0.5;
// CutOutPoint1[2] = -3;
// double[] CutOutPoint2 = new double[3];
// CutOutPoint2[0] = 0;
// CutOutPoint2[1] = 0.5;
// CutOutPoint2[2] = 3;
// var CutOut = new BoundingBox(3);
// CutOut.AddPoint(CutOutPoint1);
// CutOut.AddPoint(CutOutPoint2);
// var grd = Grid3D.Cartesian3DGrid(_xNodes, _yNodes, _zNodes, false, false, true, CellType.Cube_Linear, CutOut);
// grd.EdgeTagNames.Add(1, "Velocity_inlet");
// grd.EdgeTagNames.Add(2, "Pressure_Outlet");
// grd.EdgeTagNames.Add(3, "Wall");
// grd.DefineEdgeTags(delegate (double[] _X) {
// var X = _X;
// double x = X[0];
// double y = X[1];
// double z = X[2];
// if (Math.Abs(x - (-9.5)) < 1.0e-6)
// // inlet
// return 1;
// if (Math.Abs(x - (12.5)) < 1.0e-6)
// // outlet
// return 2;
// if (Math.Abs(z - (-3)) < 1.0e-6)
// // left
// return 2;
// if (Math.Abs(z - (3)) < 1.0e-6)
// // right
// return 2;
// if (Math.Abs(x - (-1)) < 1.0e-6)
// // Cube front
// return 3;
// if (Math.Abs(x - (0)) < 1.0e-6)
// // cube back
// return 3;
// if (Math.Abs(y - (-0.5)) < 1.0e-6)
// // cube left
// return 3;
// if (Math.Abs(y - (0.5)) < 1.0e-6)
// // cube right
// return 3;
// throw new ArgumentOutOfRangeException();
// });
// return grd;
//};
#endregion
Console.WriteLine("...starting calculation of Sphere3D");
// Initial Solution
// Physical values
C.particleRadius = 0.5;
C.PhysicalParameters.rho_A = 1;
//C.PhysicalParameters.mu_A = (2 * C.particleRadius) / 100;
C.PhysicalParameters.mu_A = (2.0 * C.particleRadius * 1.0) / 100;
// Boundary conditions
C.AddBoundaryCondition("Velocity_inlet", "VelocityX", (X, t) => 1);
C.AddBoundaryCondition("Velocity_inlet", "VelocityY", (X, t) => 0);
C.AddBoundaryCondition("Velocity_inlet", "VelocityZ", (X, t) => 0);
// C.AddBoundaryCondition("Wall");
C.AddBoundaryCondition("Pressure_Outlet");
// Set Initial Conditions
C.InitialValues_Evaluators.Add("VelocityX", X => 1);
//C.InitialValues_Evaluators.Add("VelocityY", X => 5);
C.InitialValues_Evaluators.Add("VelocityZ", X => 0);
C.InitialValues_Evaluators.Add("Pressure", X => 0);
C.InitialValues_Evaluators.Add("Phi", X => - (X[0]).Pow2() + -(X[1]).Pow2() + -(X[2]).Pow2() + C.particleRadius.Pow2());
//C.InitialValues_Evaluators.Add("VelocityY", delegate (double[] X) {
// double x = X[0];
// double y = X[1];
// double z = X[2];
// double R = Math.Sqrt((x + 4).Pow2() + y.Pow2()+z.Pow2());
// double yVel = 0;
// if (R < 3) {
// yVel = 5;
// }
// return yVel;
//});
//C.InitialValues_Evaluators.Add("Phi", X => -(X[0]).Pow2() + -(X[1]).Pow2() + C.particleRadius.Pow2());
//C.InitialValues_Evaluators.Add("Phi", X => -1);
// misc. solver options
// ====================
C.PhysicalParameters.IncludeConvection = true;
C.AdvancedDiscretizationOptions.PenaltySafety = 4;
C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2;
C.LevelSetSmoothing = false;
C.MaxKrylovDim = 30;
C.MaxSolverIterations = 50;
C.VelocityBlockPrecondMode = MultigridOperator.Mode.SymPart_DiagBlockEquilib_DropIndefinite;
C.NonlinearSolve = NonlinearSolverCodes.NewtonGMRES;
C.LinearSolve = LinearSolverCodes.exp_schwarz_Kcycle_directcoarse_overlap;
C.Solver_ConvergenceCriterion = 1E-6;
C.NoOfMultigridLevels = 3;
// Timestepping
// ============
C.Timestepper_Scheme = IBM_Control.TimesteppingScheme.BDF2;
double dt = 1E20;
C.dtFixed = dt;
C.dtMax = dt;
C.dtMin = dt;
C.Endtime = 100000;
C.NoOfTimesteps = 1;
return(C);
}
public static IBM_Control[] IBMCylinderFlow(string _DbPath = null, int k = 2, bool xPeriodic = false, double VelXBase = 0.0)
{
List <IBM_Control> R = new List <IBM_Control>();
foreach (int i in new int[] { 3 })
{
IBM_Control C = new IBM_Control();
C.Paramstudy_CaseIdentification = new Tuple <string, object>[] {
new Tuple <string, object>("k", i),
};
k = i;
const double BaseSize = 1.0;
// basic database options
// ======================
C.DbPath = @"\\fdyprime\userspace\krause\BoSSS_DBs\Paper_CellAgglo01_Penalty4";
C.savetodb = false;
C.ProjectName = "FixedCylinderRe100_k" + i + "_CellAgglo02_penalty4_newMesh2";
switch (i)
{
case 1:
C.MeshFactor = 1.33; // was 1.33
break;
case 2:
C.MeshFactor = 0.92;
break;
case 3:
C.MeshFactor = 0.7; // was 07
break;
default:
throw new ApplicationException();
}
C.ProjectDescription = "Cylinder";
C.Tags.Add("with immersed boundary method");
// DG degrees
// ==========
C.FieldOptions.Add("VelocityX", new FieldOpts()
{
Degree = k,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("VelocityY", new FieldOpts()
{
Degree = k,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
//Console.WriteLine("Achtung: equal order!!!!");
C.FieldOptions.Add("Pressure", new FieldOpts()
{
Degree = k - 1,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("PhiDG", new FieldOpts()
{
Degree = 2,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("Phi", new FieldOpts()
{
Degree = 2,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
//grid and boundary conditions
// ============================
C.GridFunc = delegate {
var _xNodes1 = Grid1D.TanhSpacing(-2, -1, Convert.ToInt32(10 * C.MeshFactor), 0.5, false); //10
_xNodes1 = _xNodes1.GetSubVector(0, (_xNodes1.Length - 1));
var _xNodes2 = GenericBlas.Linspace(-1, 2, Convert.ToInt32(35 * C.MeshFactor)); //35
_xNodes2 = _xNodes2.GetSubVector(0, (_xNodes2.Length - 1));
var _xNodes3 = Grid1D.TanhSpacing(2, 20, Convert.ToInt32(60 * C.MeshFactor), 1.5, true); //60
var xNodes = ArrayTools.Cat(_xNodes1, _xNodes2, _xNodes3);
var _yNodes1 = Grid1D.TanhSpacing(-2, -1, Convert.ToInt32(7 * C.MeshFactor), 0.9, false); //7
_yNodes1 = _yNodes1.GetSubVector(0, (_yNodes1.Length - 1));
var _yNodes2 = GenericBlas.Linspace(-1, 1, Convert.ToInt32(25 * C.MeshFactor)); //25
_yNodes2 = _yNodes2.GetSubVector(0, (_yNodes2.Length - 1));
var _yNodes3 = Grid1D.TanhSpacing(1, 2.1, Convert.ToInt32(7 * C.MeshFactor), 1.1, true); //7
var yNodes = ArrayTools.Cat(_yNodes1, _yNodes2, _yNodes3);
//double[] xNodes = GenericBlas.Linspace(0 * BaseSize, 22 * BaseSize, 25);
//double[] yNodes = GenericBlas.Linspace(0 * BaseSize, 4.1 * BaseSize, 25);
var grd = Grid2D.Cartesian2DGrid(xNodes, yNodes, periodicX: xPeriodic);
grd.EdgeTagNames.Add(1, "Velocity_Inlet_upper");
grd.EdgeTagNames.Add(2, "Velocity_Inlet_lower");
if (!xPeriodic)
{
grd.EdgeTagNames.Add(3, "Velocity_Inlet_left");
grd.EdgeTagNames.Add(4, "Pressure_Outlet_right");
}
grd.DefineEdgeTags(delegate(double[] X) {
byte et = 0;
if (Math.Abs(X[1] - (-2 * BaseSize)) <= 1.0e-8)
{
et = 1;
}
if (Math.Abs(X[1] - (+2.1 * BaseSize)) <= 1.0e-8)
{
et = 2;
}
if (!xPeriodic && Math.Abs(X[0] - (-2 * BaseSize)) <= 1.0e-8)
{
et = 3;
}
if (!xPeriodic && Math.Abs(X[0] - (+20.0 * BaseSize)) <= 1.0e-8)
{
et = 4;
}
Debug.Assert(et != 0);
return(et);
});
Console.WriteLine("Cells: {0}", grd.NumberOfCells);
return(grd);
};
//C.GridFunc = delegate {
// // Box1
// var box1_p1 = new double[2] { -2, -2 };
// var box1_p2 = new double[2] { 20, 2.1 };
// var box1 = new GridBox(box1_p1, box1_p2, 46, 20); //k1: 70,25 ; k2: 46,20 ; k3: 35,15
// // Box2
// var box2_p1 = new double[2] { -2, -2 };
// var box2_p2 = new double[2] { 3, 2.1 };
// var box2 = new GridBox(box2_p1, box2_p2, 26, 40); //k1: 40,50 ; k2: 26,40; k3: 20, 30
// // Box3
// var box3_p1 = new double[2] { -2, -1 };
// var box3_p2 = new double[2] { 1, 1 };
// var box3 = new GridBox(box3_p1, box3_p2, 32, 38); //k1: 48,58 ; k2: 32,38; k3: 24, 30
// // Box4
// var box4_p1 = new double[2] { -0.7, -0.72 };
// var box4_p2 = new double[2] { 0.7, 0.7 };
// var box4 = new GridBox(box4_p1, box4_p2, 30, 56); //k1: 44,84 ; k2: 30,56; k3: 22, 42
// var grd = Grid2D.HangingNodes2D(box1, box2, box3,box4);
// grd.EdgeTagNames.Add(1, "Velocity_Inlet_upper");
// grd.EdgeTagNames.Add(2, "Velocity_Inlet_lower");
// if (!xPeriodic) {
// grd.EdgeTagNames.Add(3, "Velocity_Inlet_left");
// grd.EdgeTagNames.Add(4, "Pressure_Outlet_right");
// }
// grd.DefineEdgeTags(delegate (double[] X) {
// byte et = 0;
// if (Math.Abs(X[1] - (-2 * BaseSize)) <= 1.0e-8)
// et = 1;
// if (Math.Abs(X[1] - (+2.1 * BaseSize)) <= 1.0e-8)
// et = 2;
// if (!xPeriodic && Math.Abs(X[0] - (-2 * BaseSize)) <= 1.0e-8)
// et = 3;
// if (!xPeriodic && Math.Abs(X[0] - (+20.0 * BaseSize)) <= 1.0e-8)
// et = 4;
// Debug.Assert(et != 0);
// return et;
// });
// Console.WriteLine("Cells: {0}", grd.NumberOfCells);
// return grd;
//};
C.AddBoundaryCondition("Velocity_Inlet_upper", "VelocityX", X => 0);
C.AddBoundaryCondition("Velocity_Inlet_lower", "VelocityX", X => 0); //-(4 * 1.5 * X[1] * (4.1 - X[1]) / (4.1 * 4.1))
if (!xPeriodic)
{
C.AddBoundaryCondition("Velocity_Inlet_left", "VelocityX", X => (4 * 1.5 * (X[1] + 2) * (4.1 - (X[1] + 2)) / (4.1 * 4.1)));
//C.AddBoundaryCondition("Velocity_Inlet_left", "VelocityX#A", X => 1);
}
C.AddBoundaryCondition("Pressure_Outlet_right");
// Initial Values
// ==============
double radius = 0.5;
C.PhysicalParameters.rho_A = 1;
C.PhysicalParameters.mu_A = 1.0 / 20;
//C.InitialValues.Add("Phi", X => phi(X, 0));
//C.InitialValues.Add("Phi", X => ((X[0] / (radius * BaseSize)) - mPx) * (X[0] / (radius * BaseSize)) - mPx) + ((X[1]) / (radius * BaseSize)) - 2.)Pow2() - radius.Pow2())); // quadratic form
// );
C.InitialValues_Evaluators.Add("Phi", X => - (X[0]).Pow2() + -(X[1]).Pow2() + radius.Pow2());
//C.InitialValues.Add("Phi", X => -1);
C.InitialValues_Evaluators.Add("VelocityX", X => 4 * 1.5 * (X[1] + 2) * (4.1 - (X[1] + 2)) / (4.1 * 4.1));
//C.InitialValues.Add("VelocityX", delegate (double[] X)
//{
// double x = X[0];
// double y = X[1];
// double R = Math.Sqrt((x + 1).Pow2() + y.Pow2());
// double xVel = 0;
// if (R < 0.75)
// {
// xVel = 1;
// }
// return xVel;
//});
//C.InitialValues.Add("VelocityY", delegate (double[] X) {
// double x = X[0];
// double y = X[1];
// double R = Math.Sqrt((x + 1).Pow2() + (y).Pow2());
// double yVel = 0;
// if (R < 0.75) {
// yVel = 1;
// }
// return yVel;
//});
// For restart
//C.RestartInfo = new Tuple<Guid, TimestepNumber>(new Guid("8f5cfed9-31c7-4be8-aa56-e92e5348e08b"), 95);
//C.GridGuid = new Guid("71ffc0c4-66aa-4762-b07e-45385f34b03f");
// Physical Parameters
// ===================
C.PhysicalParameters.IncludeConvection = true;
// misc. solver options
// ====================
C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2;
C.LevelSetSmoothing = false;
//C.option_solver = "direct";
C.MaxKrylovDim = 20;
C.MaxSolverIterations = 50;
C.VelocityBlockPrecondMode = MultigridOperator.Mode.SymPart_DiagBlockEquilib_DropIndefinite;
C.NoOfMultigridLevels = 0;
// Timestepping
// ============
C.Timestepper_Scheme = IBM_Control.TimesteppingScheme.ImplicitEuler;
double dt = 0.05;
C.dtMax = dt;
C.dtMin = dt;
C.Endtime = 70;
C.NoOfTimesteps = 1000000;
// haben fertig...
// ===============
R.Add(C);
}
return(R.ToArray());
}
static public IBM_Control PrecTest3DChannel(int k, int cells_x, int cells_yz)
{
IBM_Control C = new IBM_Control();
// basic database options
// ======================
C.savetodb = false;
C.DbPath = @"\\dc1\userspace\krause\BoSSS_DBs\Bug";
//string restartSession = "727da287-1b6a-463e-b7c9-7cc19093b5b3";
//string restartGrid = "3f8f3445-46f1-47ed-ac0e-8f0260f64d8f";
C.DynamicLoadBalancing_Period = 1;
C.DynamicLoadBalancing_CellCostEstimatorFactories.Add(delegate(IApplication <AppControl> app, int noOfPerformanceClasses)
{
Console.WriteLine("i was called");
int[] map = new int[] { 1, 5, 100 };
return(new StaticCellCostEstimator(map));
});
// Assign correct names
C.SessionName = "Channel_" + k + "_" + cells_x + "x" + cells_yz + "yz";
C.saveperiod = 1;
//C.SessionName = "Sphere_k" + k + "_h" + h+"Re100";
C.ProjectName = "3DChannel";
C.ProjectDescription = "Sphere_k" + k + cells_x + "x" + cells_yz + "x" + cells_yz;
C.Tags.Add("Prec Test");
// Create Fields
C.FieldOptions.Add("VelocityX", new FieldOpts()
{
Degree = k,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("VelocityY", new FieldOpts()
{
Degree = k,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("VelocityZ", new FieldOpts()
{
Degree = k,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("Pressure", new FieldOpts()
{
Degree = k - 1,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("PhiDG", new FieldOpts()
{
Degree = 2,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
C.FieldOptions.Add("Phi", new FieldOpts()
{
Degree = 2,
SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
#region Creates grid () and sets BC
//// Create Grid
Console.WriteLine("...generating grid");
C.GridFunc = delegate
{
// x-direction
var _xNodes = GenericBlas.Linspace(-0.5, 1.5, cells_x + 1);
// y-direction
var _yNodes = GenericBlas.Linspace(-0.5, 0.5, cells_yz + 1);
// z-direction
var _zNodes = GenericBlas.Linspace(-0.5, 0.5, cells_yz + 1);
// Cut Out
var grd = Grid3D.Cartesian3DGrid(_xNodes, _yNodes, _zNodes, false, true, false, CellType.Cube_Linear);
grd.EdgeTagNames.Add(1, "Velocity_inlet");
grd.EdgeTagNames.Add(2, "Wall");
grd.EdgeTagNames.Add(3, "Pressure_Outlet");
grd.DefineEdgeTags(delegate(double[] _X)
{
var X = _X;
double x = X[0];
double y = X[1];
double z = X[2];
if (Math.Abs(x - (-0.5)) < 1.0e-6)
{
// inlet
return(1);
}
if (Math.Abs(x - (1.5)) < 1.0e-6)
{
// outlet
return(3);
}
if (Math.Abs(y - (-0.5)) < 1.0e-6)
{
// left
return(2);
}
if (Math.Abs(y - (0.5)) < 1.0e-6)
{
// right
return(2);
}
if (Math.Abs(z - (-0.5)) < 1.0e-6)
{
// top left
return(2);
}
if (Math.Abs(z - (0.5)) < 1.0e-6)
{
// top right
return(2);
}
throw new ArgumentOutOfRangeException();
});
return(grd);
};
#endregion
// Set Initial Conditions
C.InitialValues_Evaluators.Add("VelocityX", X => 0);
C.InitialValues_Evaluators.Add("VelocityY", X => 0);
C.InitialValues_Evaluators.Add("VelocityZ", X => 0);
C.InitialValues_Evaluators.Add("Pressure", X => 0);
// Because its only channeö
C.InitialValues_Evaluators.Add("Phi", X => - 1);
Console.WriteLine("...starting calculation of Preconditioning test with 3D Channel");
// Physical values
C.PhysicalParameters.rho_A = 1;
C.PhysicalParameters.mu_A = 1.0 / 10.0;
// Boundary conditions
C.AddBoundaryCondition("Velocity_inlet", "VelocityX", (X, t) => 1 - 4 * (X[2] * X[2]));
C.AddBoundaryCondition("Velocity_inlet", "VelocityY", (X, t) => 0);
C.AddBoundaryCondition("Wall");
C.AddBoundaryCondition("Pressure_Outlet");
// misc. solver options
// ====================
C.PhysicalParameters.IncludeConvection = true;
C.AdvancedDiscretizationOptions.PenaltySafety = 4;
C.AdvancedDiscretizationOptions.CellAgglomerationThreshold = 0.2;
C.LevelSetSmoothing = false;
C.MaxKrylovDim = 1000;
C.MaxSolverIterations = 50;
C.Solver_ConvergenceCriterion = 1E-5;
C.VelocityBlockPrecondMode = MultigridOperator.Mode.SymPart_DiagBlockEquilib_DropIndefinite;
// Choosing the Preconditioner
ISolverSmootherTemplate Prec;
Prec = new SchurPrecond()
{
SchurOpt = SchurPrecond.SchurOptions.decoupledApprox
};
//Prec = new SchurPrecond()
//{
// SchurOpt = SchurPrecond.SchurOptions.SIMPLE
//};
//Prec = new Schwarz()
//{
// m_BlockingStrategy = new Schwarz.METISBlockingStrategy()
// {
// NoOfParts = 5,
// },
// CoarseSolver = new DirectSolver()
// {
// WhichSolver = DirectSolver._whichSolver.MUMPS
// },
// overlap =1
//};
//Prec = new Schwarz()
//{
// m_BlockingStrategy = new Schwarz.MultigridBlocks()
// {
// Depth = 5,
// },
// CoarseSolver = new DirectSolver()
// {
// WhichSolver = DirectSolver._whichSolver.MUMPS
// },
// overlap = 1
//};
C.LinearSolver = new SoftGMRES()
{
MaxKrylovDim = C.MaxKrylovDim,
Precond = Prec,
m_Tolerance = 1E-6,
m_MaxIterations = 50
};
// Timestepping
// ============
C.Timestepper_Scheme = IBM_Control.TimesteppingScheme.BDF2;
double dt = 1E20;
C.dtFixed = dt;
C.dtMax = dt;
C.dtMin = dt;
C.Endtime = 10000000;
C.NoOfTimesteps = 1;
C.NoOfMultigridLevels = 1;
return(C);
}
/// <summary>
/// Automatic choice of linear solver depending on problem size, immersed boundary, polynomial degree, etc.
/// </summary>
static ISolverSmootherTemplate AutomaticChoice(IBM_Control Control, XdgBDFTimestepping Timestepper)
{
//int pV = Control.FieldOptions["VelocityX"].Degree;
int pP = Control.FieldOptions["Pressure"].Degree;
int pV = pP + 1;
// Detecting variables for solver determination
var D = Timestepper.MultigridSequence[0].SpatialDimension;
var cellsLoc = Timestepper.MultigridSequence[0].CellPartitioning.LocalLength;
var cellsGlo = Timestepper.MultigridSequence[0].CellPartitioning.TotalLength;
ISolverSmootherTemplate tempsolve = null;
var size = Timestepper.MultigridSequence[0].CellPartitioning.MpiSize;
// !!!!!!!!!!!UNTERSCHEIDUNG OB PICARD ODER NEWTON!!!!!!!!!!!!
if (Timestepper.Config_NonlinearSolver == NonlinearSolverMethod.NewtonGMRES)
{
// Spatial Dimension
switch (D)
{
case 1:
break;
throw new NotImplementedException("Currently not implemented for " + D + " Dimensions");
//break;
case 2:
throw new NotImplementedException("Currently not implemented for " + D + " Dimensions");
//break;
case 3:
var dofsPerCell3D = (3 * (pV * pV * pV + 6 * pV * pV + 11 * pV + 6) / 6 + 1 * (pP * pP * pP + 6 * pP * pP + 11 * pP + 6) / 6);
var dofsLoc = dofsPerCell3D * cellsLoc;
var dofsGlo = dofsPerCell3D * cellsGlo;
var PPP = (int)Math.Ceiling(dofsLoc / 6500.0);
Console.WriteLine("Analysing the problem yields " + PPP + " parts per process.");
if (dofsGlo > 10000)
{
if (Control.NoOfMultigridLevels < 2)
{
throw new ApplicationException("At least 2 Multigridlevels are required");
}
Timestepper.Config_linearSolver = new Schwarz()
{
m_BlockingStrategy = new Schwarz.METISBlockingStrategy()
{
NoOfPartsPerProcess = PPP,
},
Overlap = 1,
CoarseSolver = DetermineMGSquence(Control.NoOfMultigridLevels - 2)
};
}
else
{
Timestepper.Config_linearSolver = new DirectSolver()
{
WhichSolver = DirectSolver._whichSolver.MUMPS
};
}
break;
default:
throw new NotImplementedException("Currently not implemented for " + D + " Dimensions");
}
}
else
{
// Spatial Dimension
switch (D)
{
case 1:
break;
throw new NotImplementedException("Currently not implemented for " + D + " Dimensions");
//break;
case 2:
throw new NotImplementedException("Currently not implemented for " + D + " Dimensions");
//break;
case 3:
var dofsPerCell3D = (3 * (pV * pV * pV + 6 * pV * pV + 11 * pV + 6) / 6 + 1 * (pP * pP * pP + 6 * pP * pP + 11 * pP + 6) / 6);
var dofsLoc = dofsPerCell3D * cellsLoc;
var dofsGlo = dofsPerCell3D * cellsGlo;
if (dofsGlo > 10000)
{
if (Control.NoOfMultigridLevels < 2)
{
throw new ApplicationException("At least 2 Multigridlevels are required");
}
tempsolve = new SoftGMRES()
{
MaxKrylovDim = Timestepper.Config_MaxKrylovDim,
m_Tolerance = Timestepper.Config_SolverConvergenceCriterion,
Precond = new Schwarz()
{
m_BlockingStrategy = new Schwarz.SimpleBlocking()
{
NoOfPartsPerProcess = (int)Math.Ceiling(dofsLoc / 6500.0),
},
Overlap = 1,
CoarseSolver = DetermineMGSquence(Control.NoOfMultigridLevels - 2)
},
};
}
else
{
tempsolve = new DirectSolver()
{
WhichSolver = DirectSolver._whichSolver.MUMPS
};
}
break;
default:
throw new NotImplementedException("Currently not implemented for " + D + " Dimensions");
}
}
return(tempsolve);
//Timestepper.
// Wenn Gesamtproblem in 2D < 100000 DoFs -> Direct Solver
// Wenn Gesamtproblem in 3D < 10000 DoFs -> Direct Solver
// Block Solve 3D ca. 6000 DoFs per Process -> Adjust Blocks per Process
// Coarse Solve ca. 5000 bis 10000 DoFs. -> Adjust Multigrid Levels
}
/// <summary>
/// Choose solver depending on configurations made in the control file.
/// </summary>
/// <param name="nonlinSol"></param>
/// <param name="linSol"></param>
/// <param name="Timestepper"></param>
public static void ChooseSolver(IBM_Control Control, ref XdgBDFTimestepping Timestepper)
{
// Set several solver options for Timestepper
Timestepper.Config_SolverConvergenceCriterion = Control.Solver_ConvergenceCriterion;
Timestepper.Config_MaxIterations = Control.MaxSolverIterations;
Timestepper.Config_MinIterations = Control.MinSolverIterations;
Timestepper.Config_MaxKrylovDim = Control.MaxKrylovDim;
// Set to pseudo Picard if the Stokes equations should be solved
if (Control.PhysicalParameters.IncludeConvection == false)
{
Control.NonlinearSolve = NonlinearSolverCodes.Picard;
}
ISolverSmootherTemplate templinearSolve = null;
switch (Control.LinearSolve)
{
case LinearSolverCodes.automatic:
templinearSolve = AutomaticChoice(Control, Timestepper);
break;
case LinearSolverCodes.classic_mumps:
templinearSolve = new DirectSolver()
{
WhichSolver = DirectSolver._whichSolver.MUMPS
};
break;
case LinearSolverCodes.classic_pardiso:
templinearSolve = new DirectSolver()
{
WhichSolver = DirectSolver._whichSolver.PARDISO
};
break;
case LinearSolverCodes.exp_schwarz_directcoarse_overlap:
if (Control.NoOfMultigridLevels < 2)
{
throw new ApplicationException("At least 2 Multigridlevels are required");
}
templinearSolve = new Schwarz()
{
m_BlockingStrategy = new Schwarz.METISBlockingStrategy()
{
NoOfPartsPerProcess = 1,
},
Overlap = 1,
CoarseSolver = DetermineMGSquence(Control.NoOfMultigridLevels - 2)
};
break;
case LinearSolverCodes.exp_schwarz_directcoarse:
if (Control.NoOfMultigridLevels < 2)
{
throw new ApplicationException("At least 2 Multigridlevels are required");
}
templinearSolve = new Schwarz()
{
m_BlockingStrategy = new Schwarz.METISBlockingStrategy()
{
NoOfPartsPerProcess = 1,
},
Overlap = 0,
CoarseSolver = DetermineMGSquence(Control.NoOfMultigridLevels - 2)
};
break;
case LinearSolverCodes.exp_schwarz_Kcycle_directcoarse:
if (Control.NoOfMultigridLevels < 2)
{
throw new ApplicationException("At least 2 Multigridlevels are required");
}
templinearSolve = new Schwarz()
{
m_BlockingStrategy = new Schwarz.MultigridBlocks()
{
Depth = Control.NoOfMultigridLevels - 1
},
Overlap = 0,
CoarseSolver = DetermineMGSquence(Control.NoOfMultigridLevels - 2)
};
break;
case LinearSolverCodes.exp_schwarz_Kcycle_directcoarse_overlap:
if (Control.NoOfMultigridLevels < 2)
{
throw new ApplicationException("At least 2 Multigridlevels are required");
}
templinearSolve = new Schwarz()
{
m_BlockingStrategy = new Schwarz.MultigridBlocks()
{
Depth = Control.NoOfMultigridLevels - 1
},
Overlap = 1,
CoarseSolver = DetermineMGSquence(Control.NoOfMultigridLevels - 2)
};
break;
case LinearSolverCodes.exp_softgmres:
templinearSolve = new SoftGMRES()
{
MaxKrylovDim = Timestepper.Config_MaxKrylovDim,
m_Tolerance = Timestepper.Config_SolverConvergenceCriterion,
};
break;
case LinearSolverCodes.exp_softgmres_schwarz_Kcycle_directcoarse_overlap:
templinearSolve = new SoftGMRES()
{
MaxKrylovDim = Timestepper.Config_MaxKrylovDim,
m_Tolerance = Timestepper.Config_SolverConvergenceCriterion,
Precond = new Schwarz()
{
m_BlockingStrategy = new Schwarz.MultigridBlocks()
{
Depth = Control.NoOfMultigridLevels - 1
},
Overlap = 1,
CoarseSolver = DetermineMGSquence(Control.NoOfMultigridLevels - 2)
},
};
break;
case LinearSolverCodes.exp_softgmres_schwarz_directcoarse_overlap:
if (Control.NoOfMultigridLevels < 2)
{
throw new ApplicationException("At least 2 Multigridlevels are required");
}
templinearSolve = new SoftGMRES()
{
MaxKrylovDim = Timestepper.Config_MaxKrylovDim,
m_Tolerance = Timestepper.Config_SolverConvergenceCriterion,
Precond = new Schwarz()
{
m_BlockingStrategy = new Schwarz.METISBlockingStrategy()
{
NoOfPartsPerProcess = 1,
},
Overlap = 1,
CoarseSolver = DetermineMGSquence(Control.NoOfMultigridLevels - 2)
},
};
break;
case LinearSolverCodes.exp_multigrid:
if (Control.NoOfMultigridLevels < 2)
{
throw new ApplicationException("At least 2 Multigridlevels are required");
}
templinearSolve = new ILU()
{
};
break;
case LinearSolverCodes.exp_ILU:
templinearSolve = new ILU()
{
};
break;
case LinearSolverCodes.exp_Schur:
templinearSolve = new SchurPrecond()
{
SchurOpt = SchurPrecond.SchurOptions.decoupledApprox
};
break;
case LinearSolverCodes.exp_Simple:
templinearSolve = new SchurPrecond()
{
SchurOpt = SchurPrecond.SchurOptions.SIMPLE
};
break;
case LinearSolverCodes.exp_AS_1000:
if (Timestepper.MultigridSequence[0].SpatialDimension == 3) //3D --> 212940DoF
{
templinearSolve = new Schwarz()
{
m_BlockingStrategy = new Schwarz.METISBlockingStrategy()
{
//noofparts = 76,
NoOfPartsPerProcess = 213, // Warum 76
},
CoarseSolver = new DirectSolver()
{
WhichSolver = DirectSolver._whichSolver.MUMPS //PARDISO
},
Overlap = 1
};
}
else //2D --> 75088DoF
{
templinearSolve = new Schwarz()
{
m_BlockingStrategy = new Schwarz.METISBlockingStrategy()
{
//noofparts = 213,
NoOfPartsPerProcess = 213,
},
CoarseSolver = new DirectSolver()
{
WhichSolver = DirectSolver._whichSolver.MUMPS //PARDISO
},
Overlap = 1
};
}
break;
case LinearSolverCodes.exp_AS_5000:
if (Timestepper.MultigridSequence[0].SpatialDimension == 3) //3D --> 212940DoF
{
templinearSolve = new Schwarz()
{
m_BlockingStrategy = new Schwarz.METISBlockingStrategy()
{
//noofparts = 43,
NoOfPartsPerProcess = 43,
},
CoarseSolver = new DirectSolver()
{
WhichSolver = DirectSolver._whichSolver.MUMPS //PARDISO
},
Overlap = 1
};
}
else //2D --> 75088DoF
{
templinearSolve = new Schwarz()
{
m_BlockingStrategy = new Schwarz.METISBlockingStrategy()
{
//noofparts = 16,
NoOfPartsPerProcess = 43,
},
CoarseSolver = new DirectSolver()
{
WhichSolver = DirectSolver._whichSolver.MUMPS //PARDISO
},
Overlap = 1
};
}
break;
case LinearSolverCodes.exp_AS_10000:
if (Timestepper.MultigridSequence[0].SpatialDimension == 3) //3D --> 212940DoF
{
templinearSolve = new Schwarz()
{
m_BlockingStrategy = new Schwarz.METISBlockingStrategy()
{
//noofparts = 22,
NoOfPartsPerProcess = 22,
},
CoarseSolver = new DirectSolver()
{
WhichSolver = DirectSolver._whichSolver.MUMPS //PARDISO
},
Overlap = 1
};
}
else //2D --> 75088DoF
{
templinearSolve = new Schwarz()
{
m_BlockingStrategy = new Schwarz.METISBlockingStrategy()
{
//noofparts = 8,
NoOfPartsPerProcess = 22, //
},
CoarseSolver = new DirectSolver()
{
WhichSolver = DirectSolver._whichSolver.MUMPS //PARDISO
},
Overlap = 1
};
}
break;
case LinearSolverCodes.exp_AS_MG:
templinearSolve = new Schwarz()
{
m_BlockingStrategy = new Schwarz.MultigridBlocks()
{
//depth = asdepth,
Depth = 2,
},
CoarseSolver = new DirectSolver()
{
WhichSolver = DirectSolver._whichSolver.MUMPS //PARDISO
},
Overlap = 1
};
break;
case LinearSolverCodes.exp_localPrec:
templinearSolve = new LocalizedOperatorPrec()
{
m_dt = Control.GetFixedTimestep(),
m_muA = Control.PhysicalParameters.mu_A,
};
break;
default:
throw new NotImplementedException("Linear solver option not available");
}
// Set nonlinear Solver
switch (Control.NonlinearSolve)
{
case NonlinearSolverCodes.NewtonGMRES:
Timestepper.Config_NonlinearSolver = NonlinearSolverMethod.NewtonGMRES;
Timestepper.Config_linearSolver = templinearSolve;
break;
case NonlinearSolverCodes.Picard:
Timestepper.Config_NonlinearSolver = NonlinearSolverMethod.Picard;
Timestepper.Config_linearSolver = templinearSolve;
break;
case NonlinearSolverCodes.Newton:
Timestepper.Config_NonlinearSolver = NonlinearSolverMethod.Newton;
Timestepper.Config_linearSolver = templinearSolve;
break;
case NonlinearSolverCodes.PicardGMRES:
Timestepper.Config_NonlinearSolver = NonlinearSolverMethod.Picard;
Timestepper.Config_linearSolver = new SoftGMRES()
{
MaxKrylovDim = Timestepper.Config_MaxKrylovDim,
m_Tolerance = Timestepper.Config_SolverConvergenceCriterion,
Precond = templinearSolve,
m_MaxIterations = Timestepper.Config_MaxIterations,
};
break;
default:
throw new NotImplementedException("Nonlinear solver option not available");
}
}