/// <summary>
/// See also <see cref="GRID_CASE"/> and <see cref="GRID_FILE"/>.
/// </summary>
protected override GridCommons CreateOrLoadGrid()
{
GridCommons grd;
switch (GRID_CASE)
{
case 1:
grd = Grid1D.LineGrid(GenericBlas.Linspace(-4, 4, 5));
break;
case 2: {
grd = Grid1D.LineGrid(GenericBlas.Linspace(-4, 4, 20));
break;
}
case 3: {
double[] xnodes = new double[] { -2, 0, 2 };
double[] ynodes = new double[] { -2, 0, 2 };
double dx = xnodes[1] - xnodes[0];
double dy = ynodes[1] - ynodes[0];
//this.CellVolume = dx * dy;
//if(Math.Abs(dx - dy) <= 1.0e-12)
// EdgeArea = dx;
grd = Grid2D.Cartesian2DGrid(xnodes, ynodes, periodicX: false, periodicY: false, type: CellType.Square_4);
break;
}
case 4: {
double[] xnodes = GenericBlas.Linspace(-1, 5, 9);
double[] ynodes = GenericBlas.Linspace(-1, 5, 13);
double dx = xnodes[1] - xnodes[0];
double dy = ynodes[1] - ynodes[0];
this.CellVolume = dx * dy;
if (Math.Abs(dx - dy) <= 1.0e-12)
{
EdgeArea = dx;
}
grd = Grid2D.Cartesian2DGrid(xnodes, ynodes, periodicX: false, periodicY: false, type: CellType.Square_4);
break;
}
case 5: {
double[] xnodes = GenericBlas.Linspace(-1, 1, 8);
double[] ynodes = GenericBlas.Linspace(-1, 1, 13);
grd = Grid2D.UnstructuredTriangleGrid(xnodes, ynodes, JitterScale: 0.5);
break;
}
case 6: {
grd = Circle();
break;
}
case 7: {
// test periodicity
grd = Grid2D.CurvedSquareGrid(GenericBlas.Linspace(1, 2, 4), GenericBlas.Linspace(0, 0.25, 10), CellType.Square_9, PeriodicS: true);
AltRefSol = true;
break;
}
case 8: {
double[] rNodes = GenericBlas.Linspace(1, 4, 8);
double[] sNodes = GenericBlas.Linspace(0, 0.5, 15);
grd = Grid2D.CurvedSquareGrid(rNodes, sNodes, CellType.Square_4, PeriodicS: false);
break;
}
case 9: {
double[] xNodes1 = GenericBlas.Linspace(-1, 0.3, 7);
double[] yNodes1 = GenericBlas.Linspace(-1, 1, 13);
double[] xNodes2 = GenericBlas.Linspace(0.3, 1, 5);
double[] yNodes2 = GenericBlas.Linspace(-1, 1, 25);
double[] xNodes3 = GenericBlas.Linspace(-1, 1, 8);
double[] yNodes3 = GenericBlas.Linspace(-2, -1, 5);
var grd1 = Grid2D.Cartesian2DGrid(xNodes1, yNodes1, type: CellType.Square_Linear);
var grd2 = Grid2D.Cartesian2DGrid(xNodes2, yNodes2, type: CellType.Square_Linear);
var grd3 = Grid2D.Cartesian2DGrid(xNodes3, yNodes3, type: CellType.Square_Linear);
var grdJ = GridCommons.MergeLogically(grd1, GridCommons.MergeLogically(grd2, grd3));
grd = GridCommons.Seal(grdJ, 4);
break;
}
case 10: {
double[] xNodes1 = GenericBlas.Linspace(-1, 0.3, 4);
double[] xNodes2 = GenericBlas.Linspace(0.3, 1, 5);
double[] yNodes1 = GenericBlas.Linspace(-1, 1, 9);
double[] yNodes2 = GenericBlas.Linspace(-1, 1, 5);
double[] zNodes1 = GenericBlas.Linspace(-1, 1, 5);
double[] zNodes2 = GenericBlas.Linspace(-1, 1, 3);
var grd1 = Grid3D.Cartesian3DGrid(xNodes1, yNodes1, zNodes1);
var grd2 = Grid3D.Cartesian3DGrid(xNodes2, yNodes2, zNodes2);
var grdJ = GridCommons.MergeLogically(grd1, grd2);
grd = GridCommons.Seal(grdJ, 4);
break;
}
case 11: {
grd = Grid2D.Trapezoidal2dGrid(4, 2, 2, GenericBlas.Linspace(0, 1, 2));
break;
}
case 12: {
var grid1 = Grid2D.Cartesian2DGrid(GenericBlas.Linspace(-3, 5, 5), GenericBlas.Linspace(-1, 1, 2));
//grd = base_grid;
//grid1.Plot2DGrid();
var gdat1 = new GridData(grid1);
var grid2 = gdat1.Adapt(new int[] { 1, 2 }, null, out GridCorrelation o2c_1);
//grid2.Plot2DGrid();
var gdat2 = new GridData(grid2);
var grid3 = gdat2.Adapt(new int[] { 2, 4 }, null, out GridCorrelation o2c_2);
//grid3.Plot2DGrid();
var gdat3 = new GridData(grid3);
var grid4 = gdat3.Adapt(new int[] { 11, 14, 15 }, null, out GridCorrelation o2c_3);
//grid4.Plot2DGrid();
var gdat4 = new GridData(grid4);
var grid5 = gdat4.Adapt(new[] { 4, 21, 22, 10 }, new[] { new[] { 13, 14, 15, 16 } }, out GridCorrelation o2c_4);
//grid5.Plot2DGrid();
grd = grid5;
break;
}
case 13: {
double[] rNodes = GenericBlas.Linspace(1, 4, 8);
double[] sNodes = GenericBlas.Linspace(0, 0.5, 15);
grd = Grid2D.CurvedSquareGrid(rNodes, sNodes, CellType.Square_9, PeriodicS: false);
break;
}
case 14: {
double[] rNodes = GenericBlas.Linspace(1, 4, 13);
double[] sNodes = GenericBlas.Linspace(0, 0.5, 25);
grd = Grid2D.CurvedSquareGrid(rNodes, sNodes, CellType.Square_16, PeriodicS: false);
break;
}
case 15: {
double[] rNodes = GenericBlas.Linspace(1, 2, 4);
double[] sNodes = GenericBlas.Linspace(0, 0.5, 4);
double[] zNodes = GenericBlas.Linspace(-1, 1, 5);
grd = Grid3D.CylinderGrid(rNodes, sNodes, zNodes, CellType.Cube_27, PeriodicS: false, PeriodicZ: false);
break;
}
case 16: {
grd = Grid2D.Ogrid(0.5, 1, 5, 3, CellType.Square_4);
//grd = Grid3D.Ogrid(0.5, 1, 5, 3, GenericBlas.Linspace(0,4,5));
break;
}
// ++++++++++++++++++++++++++++++++++++++++++++++++++++
// more expensive grids (not tested in DEBUG MODE)
// ++++++++++++++++++++++++++++++++++++++++++++++++++++
case 30: {
double[] xnodes = GenericBlas.Linspace(-1, 1, 7);
double[] ynodes = GenericBlas.Linspace(-1, 1, 9);
double[] znodes = GenericBlas.Linspace(-1, 1, 8);
grd = Grid3D.Cartesian3DGrid(xnodes, ynodes, znodes, periodicX: false, periodicY: false, periodicZ: false);
break;
}
// +++++++++++++++++++++++++++++++++
// grids imported from GMSH/CGNS
// +++++++++++++++++++++++++++++++++
case 50: {
// gmsh grid import test
Console.WriteLine("Loading file: '" + GRID_FILE + "'...");
grd = GridImporter.Import(GRID_FILE);
//Console.WriteLine("done. " + grd.NoOfUpdateCells.MPISum() + " cells loaded.");
//Plot2dGridGnuplot(grd);
HashSet <CellType> cellTypes = new HashSet <CellType>();
foreach (var cell in grd.Cells)
{
if (!cellTypes.Contains(cell.Type))
{
cellTypes.Add(cell.Type);
}
}
Console.Write("Cell types: ");
foreach (var ct in cellTypes)
{
Console.Write(ct);
Console.Write(" ");
}
Console.WriteLine();
break;
}
default:
throw new NotSupportedException();
}
return(grd);
}
public override GridCommons GetGrid(IDatabaseInfo db)
{
GridCommons grid;
switch (GridType)
{
case GridTypes.Structured:
int noOfCellsPerDirection;
switch (GridSize)
{
case GridSizes.Tiny:
noOfCellsPerDirection = 5;
break;
case GridSizes.Small:
noOfCellsPerDirection = 10;
break;
case GridSizes.Normal:
noOfCellsPerDirection = 20;
break;
case GridSizes.Large:
noOfCellsPerDirection = 40;
break;
case GridSizes.Huge:
noOfCellsPerDirection = 80;
break;
default:
throw new Exception();
}
double[] nodes = GenericBlas.Linspace(-2.0, 2.0, noOfCellsPerDirection + 1);
grid = Grid3D.Cartesian3DGrid(nodes, nodes, nodes);
break;
case GridTypes.Unstructured:
switch (GridSize)
{
case GridSizes.Tiny:
grid = db.Controller.DBDriver.LoadGrid(
new Guid("523a0225-2c4f-46dd-ac75-86da5d547ad4"), db);
//grid = db.DBController.DBDriver.LoadGrid(
// new Guid("ec92c7eb-890e-468b-9728-5e5a3235822a"), db);
break;
case GridSizes.Small:
grid = db.Controller.DBDriver.LoadGrid(
new Guid("b55f328e-49dc-4e0b-aa0c-a8f3529adddc"), db);
//grid = db.DBController.DBDriver.LoadGrid(
// new Guid("45e51c76-e636-4bf1-b577-966d23aa744f"), db);
break;
case GridSizes.Normal:
grid = db.Controller.DBDriver.LoadGrid(
new Guid("189ac579-f9b9-4e5f-b847-4bc32b77c812"), db);
//grid = db.DBController.DBDriver.LoadGrid(
// new Guid("990cd7df-fe82-4c36-86b3-ea67d24057c7"), db);
break;
case GridSizes.Large:
grid = db.Controller.DBDriver.LoadGrid(
new Guid("51b0b6d8-f52a-45e3-a785-258fee6f573c"), db);
//grid = db.DBController.DBDriver.LoadGrid(
// new Guid("989ea7bb-86d4-4429-98a7-27471aab4bb8"), db);
break;
case GridSizes.Huge:
throw new NotImplementedException();
default:
throw new Exception();
}
break;
default:
throw new Exception();
}
return(grid);
}
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.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 => 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.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 = 1;
C.Solver_ConvergenceCriterion = 1E-5;
C.VelocityBlockPrecondMode = MultigridOperator.Mode.SymPart_DiagBlockEquilib_DropIndefinite;
// Solver configuration
C.NonlinearSolve = NonlinearSolverCodes.NewtonGMRES;
C.LinearSolve = LinearSolverCodes.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.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 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.AddBoundaryValue("Velocity_inlet", "VelocityX", (X, t) => 1);
C.AddBoundaryValue("Velocity_inlet", "VelocityY", (X, t) => 0);
//C.AddBoundaryCondition("Velocity_inlet", "VelocityZ", (X, t) => 0);
// C.AddBoundaryCondition("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.MaxKrylovDim = 20;
C.MaxSolverIterations = 50;
C.VelocityBlockPrecondMode = MultigridOperator.Mode.SymPart_DiagBlockEquilib_DropIndefinite;
// Timestepping
// ============
if (pardiso)
{
C.LinearSolve = LinearSolverCodes.classic_pardiso;
}
else
{
C.LinearSolve = LinearSolverCodes.classic_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 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 SolverChooser 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, 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
}
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.MaxKrylovDim = 1000;
C.MaxKrylovDim = maxKrDim;
C.MaxSolverIterations = 100;
//C.MaxSolverIterations = 1;
C.MinSolverIterations = 1;
// C.MaxSolverIterations = 10000;
C.Solver_ConvergenceCriterion = 1E-5;
//C.Solver_ConvergenceCriterion = 1E-6;
C.VelocityBlockPrecondMode = MultigridOperator.Mode.SymPart_DiagBlockEquilib_DropIndefinite;
// Choosing the Preconditioner
ISolverSmootherTemplate Prec;
if (name_newton == 1)
{
C.NonlinearSolve = NonlinearSolverCodes.NewtonGMRES;
}
else
{
C.NonlinearSolve = NonlinearSolverCodes.PicardGMRES;
}
switch (precNo)
{
case 0:
{
Prec = null;
break;
}
case 1:
{
C.LinearSolve = LinearSolverCodes.exp_Schur;
break;
}
case 2:
{
C.LinearSolve = LinearSolverCodes.exp_Simple;
break;
}
case 3:
{
C.LinearSolve = LinearSolverCodes.exp_AS_1000;
C.NoOfMultigridLevels = MGLevels; // 3 // --> grobes MG am Ende nochmal
break;
}
case 4:
{
C.LinearSolve = LinearSolverCodes.exp_AS_5000;
C.NoOfMultigridLevels = MGLevels;
break;
}
case 5:
{
C.LinearSolve = LinearSolverCodes.exp_AS_10000;
C.NoOfMultigridLevels = MGLevels;
break;
}
case 6:
{
//depth = 2,
// Depth = ASDepth, //--> MG bei der Blockzerlegung --> Resultat ergibt die Blöcke zur Berechnung (kleine Blöcke--> schlecht)
C.LinearSolve = LinearSolverCodes.exp_AS_MG;
C.NoOfMultigridLevels = MGLevels;
break;
}
case 7:
{
C.LinearSolve = LinearSolverCodes.exp_localPrec;;
C.NoOfMultigridLevels = MGLevels;
break;
}
case 8:
{
C.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 = Prec;
////For Picard
//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;
return(C);
}
/// <summary>
/// This is a testrun similar to the one in \public\doc\handbook\apdx-NodeSolverPerformance\XDGPoisson\Part1-Calculations.bws
/// phase A: 3D sphere, pahse B: [-1,1]^3\sphere
/// </summary>
/// <param name="myDB"></param>
/// <returns></returns>
public static XdgPoisson3Control TestOrTreat(int solver = 1, int blocksize = 10000, string myDB = null)
{
XdgPoisson3Control C = new XdgPoisson3Control();
switch (solver)
{
case 0:
C.LinearSolver.SolverCode = LinearSolverCode.classic_pardiso;
break;
case 1:
C.LinearSolver.SolverCode = LinearSolverCode.exp_Kcycle_schwarz;
break;
case 3:
C.LinearSolver.SolverCode = LinearSolverCode.exp_gmres_levelpmg;
break;
case 4:
C.LinearSolver.SolverCode = LinearSolverCode.exp_OrthoS_pMG;
break;
default:
throw new NotImplementedException("guess again");
}
C.savetodb = false;
//C.DbPath = @"D:\trash_db";
int Res = 8;
C.GridFunc = delegate() {
double[] xNodes = GenericBlas.Linspace(-1, +1, Res + 1);
double[] yNodes = GenericBlas.Linspace(-1, +1, Res + 1);
double[] zNodes = GenericBlas.Linspace(-1, +1, Res + 1);
int J = (xNodes.Length - 1) * (yNodes.Length - 1) * (zNodes.Length - 1);
var grid = Grid3D.Cartesian3DGrid(xNodes, yNodes, zNodes);
grid.Name = "thisisatestgrid";
grid.EdgeTagNames.Add(1, "Dirichlet");
grid.DefineEdgeTags(delegate(double[] X) {
return(1);
});
return(grid);
};
C.SessionName = String.Format("XDGPoison_solver{0}_blsz{1}_Xdg2lowB", solver, blocksize);
C.ProjectName = "PoisonTest";
C.GridPartType = GridPartType.Hilbert;
C.LinearSolver.TargetBlockSize = blocksize / 2;
C.SetDGdegree(2);
C.LinearSolver.NoOfMultigridLevels = 2;
C.LinearSolver.ConvergenceCriterion = 1e-8;
C.LinearSolver.MaxSolverIterations = 1000;
C.LinearSolver.MaxKrylovDim = 50;
//C.LinearSolver.TargetBlockSize = 79;
C.ExcactSolSupported = false;
double radius = 0.7;
C.InitialValues_Evaluators.Add("Phi", X => X[0].Pow2() + X[1].Pow2() + X[2].Pow2() - radius.Pow2());
C.MU_A = -1;
C.MU_B = -1000;
C.InitialValues_Evaluators.Add("rhs#A", X => 1.0);
C.InitialValues_Evaluators.Add("rhs#B", X => 1.0);
C.InitialValues_Evaluators.Add("u#A", X => 0);
C.InitialValues_Evaluators.Add("u#B", X => 0);
//C.CutCellQuadratureType = XQuadFactoryHelper.MomentFittingVariants.Classic;
C.CutCellQuadratureType = XQuadFactoryHelper.MomentFittingVariants.Saye;
C.SetDefaultDiriBndCnd = true; //which means ...
//C.xLaplaceBCs.g_Diri = ((CommonParamsBnd inp) => 0.0);
//C.xLaplaceBCs.IsDirichlet = (inp => true);
// ... but stuff is not serializable, therefore this workaround.
C.ViscosityMode = XLaplace_Interface.Mode.SIP;
C.AgglomerationThreshold = 0.1;
return(C);
}
/// <summary>
/// Test on a Cartesian grid, with a sinusodial solution.
/// </summary>
/// <param name="Res">
/// Grid resolution
/// </param>
/// <param name="Dim">
/// spatial dimension
/// </param>
/// <param name="deg">
/// polynomial degree
/// </param>
/// <param name="solver_name">
/// Name of solver to use.
/// </param>
public static SipControl TestCartesian2(int Res, int Dim, LinearSolverCode solver_name = LinearSolverCode.exp_Kcycle_schwarz, int deg = 5)
{
//BoSSS.Application.SipPoisson.SipHardcodedControl.TestCartesian2(8,3,deg:2)
if (Dim != 2 && Dim != 3)
{
throw new ArgumentOutOfRangeException();
}
var R = new SipControl();
R.ProjectName = "ipPoison/cartesian";
R.savetodb = false;
R.FieldOptions.Add("T", new FieldOpts()
{
Degree = deg, SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
R.FieldOptions.Add("Tex", new FieldOpts()
{
Degree = deg + 2
});
R.InitialValues_Evaluators.Add("RHS", X => - Math.Sin(X[0]));
R.InitialValues_Evaluators.Add("Tex", X => Math.Sin(X[0]));
R.ExactSolution_provided = true;
R.LinearSolver.NoOfMultigridLevels = int.MaxValue;
R.LinearSolver.SolverCode = solver_name;
// exp_Kcycle_schwarz
// exp_gmres_levelpmg
#if DEBUG
// For testing in DEBUG mode, this setting enforces the use
// of many multigrid-levels. In 2D, the examples are so small that
R.LinearSolver.TargetBlockSize = 100;
#endif
R.GridFunc = delegate() {
GridCommons grd = null;
if (Dim == 2)
{
double[] xNodes = GenericBlas.Linspace(0, 10, Res * 5 + 1);
double[] yNodes = GenericBlas.SinLinSpacing(-1, +1, 0.6, Res + 1);
grd = Grid2D.Cartesian2DGrid(xNodes, yNodes);
}
else if (Dim == 3)
{
double[] xNodes = GenericBlas.Linspace(0, 10, Res * 5 + 1);
//double[] yNodes = GenericBlas.SinLinSpacing(-1, +1, 0.6, Res + 1);
//double[] zNodes = GenericBlas.SinLinSpacing(-1, +1, 0.6, Res + 1);
double[] yNodes = GenericBlas.Linspace(-1, +1, Res + 1);
double[] zNodes = GenericBlas.Linspace(-1, +1, Res + 1);
grd = Grid3D.Cartesian3DGrid(xNodes, yNodes, zNodes);
}
else
{
throw new NotSupportedException();
}
grd.EdgeTagNames.Add(1, BoundaryType.Dirichlet.ToString());
grd.EdgeTagNames.Add(2, BoundaryType.Neumann.ToString());
grd.DefineEdgeTags(delegate(double[] X) {
byte ret;
double x = X[0];
if (Math.Abs(x - 0.0) <= 1.0e-8)
{
ret = 1; // Dirichlet
}
else
{
ret = 2; // Neumann
}
return(ret);
});
return(grd);
};
R.AddBoundaryValue(BoundaryType.Dirichlet.ToString(), "T",
delegate(double[] X) {
double x = X[0], y = X[1];
return(Math.Sin(x));
//if (Math.Abs(X[0] - (0.0)) < 1.0e-8)
// return 0.0;
//throw new ArgumentOutOfRangeException();
});
R.AddBoundaryValue(BoundaryType.Neumann.ToString(), "T",
delegate(double[] X) {
double x = X[0], y = X[1], z = X.Length > 2 ? X[2] : 0.0;
if (Math.Abs(y - 1.0) < 1.0e-8 || Math.Abs(y + 1.0) < 1.0e-8) // y = -1, y = +1
{
return(0);
}
if (X.Length > 2 && (Math.Abs(z - 1.0) < 1.0e-8 || Math.Abs(z + 1.0) < 1.0e-8)) // z = -1, z = +1
{
return(0);
}
//if (Math.Abs(X[0] - (+10.0)) < 1.0e-8)
return(Math.Cos(x));
//throw new ArgumentOutOfRangeException();
});
return(R);
}
/// <summary>
/// Test on a Cartesian grid, with a sinusodial solution.
/// </summary>
/// <param name="Res">
/// Grid resolution, 2 entries for 2D test, 3 entries for 3D test.
/// </param>
/// <param name="Stretch">
/// Grid stretching factors.
/// </param>
/// <param name="solver_name">
/// Name of solver to use.
/// </param>
public static ippControl TestCartesian2(int[] Res, double[] Stretch = null, string solver_name = "direct", int deg = 3)
{
if (Res.Length != 2 && Res.Length != 3)
{
throw new ArgumentOutOfRangeException();
}
if (Stretch == null)
{
Stretch = new double[Res.Length];
Stretch.SetAll(1.0);
}
else
{
if (Res.Length != Stretch.Length)
{
throw new ArgumentException();
}
}
var R = new ippControl();
R.ProjectName = "ipPoison/cartesian";
R.savetodb = false;
R.FieldOptions.Add("T", new FieldOpts()
{
Degree = deg, SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
R.FieldOptions.Add("Tex", new FieldOpts()
{
Degree = deg
});
R.InitialValues_Evaluators.Add("RHS", X => - Math.Sin(X[0]));
R.InitialValues_Evaluators.Add("Tex", X => Math.Sin(X[0]));
R.ExactSolution_provided = true;
R.GridFunc = delegate() {
if (Res.Length == 2)
{
double[] xNodes = CreateNodes(Res[0], Stretch[0], 0, 10);
double[] yNodes = CreateNodes(Res[1], Stretch[1], -1, +1);
var grd = Grid2D.Cartesian2DGrid(xNodes, yNodes);
return(grd);
}
else if (Res.Length == 3)
{
double[] xNodes = CreateNodes(Res[0], Stretch[0], 0, 10);
double[] yNodes = CreateNodes(Res[1], Stretch[1], -1, +1);
double[] zNodes = CreateNodes(Res[2], Stretch[2], -1, +1);
var grd = Grid3D.Cartesian3DGrid(xNodes, yNodes, zNodes);
return(grd);
}
else
{
throw new NotSupportedException();
}
};
R.IsDirichlet = delegate(CommonParamsBnd inp) {
return(Math.Abs(inp.X[0] - 0.0) <= 1.0e-6);
};
R.g_Diri = delegate(CommonParamsBnd inp) {
return(0.0);
};
R.g_Neum = delegate(CommonParamsBnd inp) {
if (Math.Abs(inp.X[1] - 1.0) < 1.0e-8 || Math.Abs(inp.X[1] + 1.0) < 1.0e-8)
{
return(0);
}
if (inp.X.Length > 2 && (Math.Abs(inp.X[2] - 1.0) < 1.0e-8 || Math.Abs(inp.X[2] + 1.0) < 1.0e-8))
{
return(0);
}
return(Math.Cos(10.0));
};
R.solver_name = solver_name;
return(R);
}
/// <summary>
/// Test on a Cartesian grid, with a sinusodial solution.
/// </summary>
/// <param name="Res">
/// Grid resolution
/// </param>
/// <param name="Dim">
/// spatial dimension
/// </param>
/// <param name="deg">
/// polynomial degree
/// </param>
/// <param name="solver_name">
/// Name of solver to use.
/// </param>
public static SipControl TestCartesian2(int Res, int Dim, SolverCodes solver_name = SolverCodes.exp_softpcg_mg, int deg = 3)
{
if (Dim != 2 && Dim != 3)
{
throw new ArgumentOutOfRangeException();
}
var R = new SipControl();
R.ProjectName = "ipPoison/cartesian";
R.savetodb = false;
R.FieldOptions.Add("T", new FieldOpts()
{
Degree = deg, SaveToDB = FieldOpts.SaveToDBOpt.TRUE
});
R.FieldOptions.Add("Tex", new FieldOpts()
{
Degree = deg * 2
});
R.InitialValues_Evaluators.Add("RHS", X => - Math.Sin(X[0]));
R.InitialValues_Evaluators.Add("Tex", X => Math.Sin(X[0]));
R.ExactSolution_provided = true;
R.NoOfMultigridLevels = int.MaxValue;
R.solver_name = solver_name;
//R.TargetBlockSize = 100;
R.GridFunc = delegate() {
GridCommons grd = null;
if (Dim == 2)
{
double[] xNodes = GenericBlas.Linspace(0, 10, Res * 5 + 1);
double[] yNodes = GenericBlas.SinLinSpacing(-1, +1, 0.6, Res + 1);
grd = Grid2D.Cartesian2DGrid(xNodes, yNodes);
}
else if (Dim == 3)
{
double[] xNodes = GenericBlas.Linspace(0, 10, Res * 5 + 1);
double[] yNodes = GenericBlas.SinLinSpacing(-1, +1, 0.6, Res + 1);
double[] zNodes = GenericBlas.SinLinSpacing(-1, +1, 0.6, Res + 1);
grd = Grid3D.Cartesian3DGrid(xNodes, yNodes, zNodes);
}
else
{
throw new NotSupportedException();
}
grd.EdgeTagNames.Add(1, BoundaryType.Dirichlet.ToString());
grd.EdgeTagNames.Add(2, BoundaryType.Neumann.ToString());
grd.DefineEdgeTags(delegate(double[] X) {
byte ret;
if (Math.Abs(X[0] - 0.0) <= 1.0e-6)
{
ret = 1;
}
else
{
ret = 2;
}
return(ret);
});
return(grd);
};
R.AddBoundaryCondition(BoundaryType.Dirichlet.ToString(), "T",
delegate(double[] X) {
double x = X[0], y = X[1];
if (Math.Abs(X[0] - (0.0)) < 1.0e-8)
{
return(0.0);
}
throw new ArgumentOutOfRangeException();
});
R.AddBoundaryCondition(BoundaryType.Neumann.ToString(), "T",
delegate(double[] X) {
if (Math.Abs(X[1] - 1.0) < 1.0e-8 || Math.Abs(X[1] + 1.0) < 1.0e-8) // y = -1, y = +1
{
return(0);
}
if (X.Length > 2 && (Math.Abs(X[2] - 1.0) < 1.0e-8 || Math.Abs(X[2] + 1.0) < 1.0e-8)) // z = -1, z = +1
{
return(0);
}
if (Math.Abs(X[0] - (+10.0)) < 1.0e-8)
{
return(Math.Cos(10.0));
}
throw new ArgumentOutOfRangeException();
});
return(R);
}
