/// <summary>
/// Checks if any field contains NaN's or Inf's and throws an exception if this is the case.
/// </summary>
public bool CheckForNanOrInf(SIMPLEControl SolverConf)
{
bool FoundNanOrInf = false;
switch (SolverConf.PhysicsMode)
{
case PhysicsMode.Incompressible:
if (WorkingSetFlowField.CheckForNanOrInf())
{
FoundNanOrInf = true;
}
break;
case PhysicsMode.LowMach:
if (WorkingSetFlowField.CheckForNanOrInf() || WorkingSetVariableDensity.CheckForNanOrInf() || WorkingSetLowMach.CheckForNanOrInf())
{
FoundNanOrInf = true;
}
break;
case PhysicsMode.Multiphase:
if (WorkingSetFlowField.CheckForNanOrInf() || WorkingSetVariableDensity.CheckForNanOrInf() || WorkingSetMultiphase.CheckForNanOrInf())
{
FoundNanOrInf = true;
}
break;
default:
throw new NotImplementedException();
}
return(FoundNanOrInf);
}
/// <summary>
/// Ctor.
/// </summary>
/// <param name="GridDat"></param>
/// <param name="Control"></param>
/// <param name="IOFields"></param>
/// <param name="RegisteredFields"></param>
public VariableSetMultiphase(IGridData GridDat, SIMPLEControl Control, ICollection <DGField> IOFields, ICollection <DGField> RegisteredFields)
: base(GridDat, Control, IOFields, RegisteredFields)
{
// Auxiliary field to calculate Lambda in Convective : LinearFlux
Basis MeanBasis = new Basis(GridDat, 0);
PhiMean = new SinglePhaseField(MeanBasis, "PhiMean");
}
/// <summary>
/// Ctor.
/// </summary>
public MatrixAssemblyApproxInv(SIMPLEControl SolverConf, int LocalNoOfCells, SIMPLEMatrixAssembly Approx, int MaxUseMatrix = 1)
: base(Approx.IsConstant, false, MaxUsePerIterMatrix: MaxUseMatrix)
{
m_Approx = Approx;
m_SolverConf = SolverConf;
m_LocalNoOfCells = LocalNoOfCells;
base.Initialize();
}
/// <summary>
/// Ctor.
/// </summary>
/// <param name="GridDat"></param>
/// <param name="Control"></param>
/// <param name="IOFields"></param>
/// <param name="RegisteredFields"></param>
public VariableSet(IGridData GridDat, SIMPLEControl Control, ICollection <DGField> IOFields, ICollection <DGField> RegisteredFields)
{
this.GridDat = GridDat;
this.Control = Control;
this.IOFields = IOFields;
this.RegisteredFields = RegisteredFields;
WorkingSetFlowField = new VariableSetFlowField(GridDat, Control, IOFields, RegisteredFields);
}
/// <summary>
/// Ctor
/// </summary>
/// <param name="GridDat"></param>
/// <param name="Control"></param>
/// <param name="IOFields"></param>
/// <param name="RegisteredFields"></param>
public VariableSetLowMach(IGridData GridDat, SIMPLEControl Control, ICollection <DGField> IOFields, ICollection <DGField> RegisteredFields)
: base(GridDat, Control, IOFields, RegisteredFields)
{
// Auxiliary field to calculate Lambda in Convective : LinearFlux
Basis MeanBasis = new Basis(GridDat, 0);
TemperatureMean = new SinglePhaseField(MeanBasis, "TemperatureMean");
// Thermodynamic pressure - the correct value will be calculated in VariableSet.Initialize()
if (ThermodynamicPressure.Current.Basis.Degree != 0)
{
throw new ApplicationException("The degree for ThermodynamicPressure in control-file has to be set to zero, since the ThermodynamicPressure is constant in space.");
}
}
/// <summary>
/// Ctor.
/// </summary>
/// <param name="GridDat"></param>
/// <param name="Control"></param>
/// <param name="IOFields"></param>
/// <param name="RegisteredFields"></param>
/// <param name="SolverConf"></param>
public VariableSetFlowField(IGridData GridDat, SIMPLEControl Control, ICollection <DGField> IOFields, ICollection <DGField> RegisteredFields)
: base(GridDat, Control, IOFields, RegisteredFields)
{
// Auxiliary field to calculate Lambda in Convective : LinearFlux
Basis MeanBasis = new Basis(GridDat, 0);
SinglePhaseField[] _VelocityMean = new SinglePhaseField[GridDat.SpatialDimension];
_VelocityMean[0] = new SinglePhaseField(MeanBasis, "VelocityX_Mean");
_VelocityMean[1] = new SinglePhaseField(MeanBasis, "VelocityY_Mean");
if (GridDat.SpatialDimension == 3)
{
_VelocityMean[2] = new SinglePhaseField(MeanBasis, "VelocityZ_Mean");
}
VelocityMean = new VectorField <SinglePhaseField>(_VelocityMean);
}
/// <summary>
/// Ctor.
/// </summary>
/// <param name="SolverConf"></param>
public SIMPLEStepStatus(SIMPLEControl SolverConf) : this()
{
switch (SolverConf.PhysicsMode)
{
case PhysicsMode.Incompressible:
case PhysicsMode.Multiphase:
this.Timestep = new TimestepNumber(0, 0);
break;
case PhysicsMode.LowMach:
this.Timestep = new TimestepNumber(0, 1, 0);
break;
default:
throw new NotImplementedException();
}
}
public SolverConfiguration(
SIMPLEControl control, IGridData GridDat, VariableSet workingSet, int MPIRank)
{
this.SpatialDimension = GridDat.SpatialDimension;
this.MPIRank = MPIRank;
this.Control = control;
this.BcMap = new IncompressibleBoundaryCondMap(GridDat, Control.BoundaryValues, Control.PhysicsMode);
CheckSetupPressure(SpatialDimension);
if (Control.PressureReferencePoint != null)
{
UnsetteledCoordinateMapping MappingPressure = new UnsetteledCoordinateMapping(
new Basis(GridDat, workingSet.Pressure.Basis.Degree));
PressureReferencePointIndex = BoSSS.Solution.NSECommon.SolverUtils.GetIndexOfPressureReferencePoint(Control.PressureReferencePoint, MappingPressure, 0);
if (PressureReferencePointIndex < 0)
{
throw new ApplicationException("Unknown error finding index for pressure reference point.");
}
}
// SIP penalty for viscous part of momentum equation
this.PenaltyViscMomentum = Control.ViscousPenaltyScaling;
// SIP penalty for SIP pressure correction
if ((Control.PredictorApproximation == PredictorApproximations.Identity_IP1))
{
this.PenaltyPressureCorrection = Control.PressureCorrectionPenaltyScaling * GetSIPPenaltyBase(workingSet.Pressure.Basis.Degree, GridDat);
}
else if (Control.PressureCorrectionPenaltyScaling != 1.0)
{
throw new NotSupportedException("Extended property 'penalty_PressureCorrection' is only available for Identity_IP option.");
}
if (control.PhysicsMode == PhysicsMode.LowMach)
{
LowMachSIMPLEControl lowMachControl = control as LowMachSIMPLEControl;
this.PenaltyHeatConduction = lowMachControl.PenaltyHeatConductionScaling * GetSIPPenaltyBase(workingSet.Pressure.Basis.Degree, GridDat);
}
this.Velocity = workingSet.Velocity;
dt = control.Endtime / control.NoOfTimesteps;
}
/// <summary>
/// Create extended variables for variable density flows.
/// </summary>
/// <param name="control"></param>
public void CreateExtendedVariables(SIMPLEControl control)
{
switch (control.PhysicsMode)
{
case PhysicsMode.Incompressible:
break;
case PhysicsMode.LowMach:
WorkingSetVariableDensity = new VariableSetVariableDensity(GridDat, Control, IOFields, RegisteredFields);
WorkingSetLowMach = new VariableSetLowMach(GridDat, Control, IOFields, RegisteredFields);
break;
case PhysicsMode.Multiphase:
WorkingSetVariableDensity = new VariableSetVariableDensity(GridDat, Control, IOFields, RegisteredFields);
WorkingSetMultiphase = new VariableSetMultiphase(GridDat, Control, IOFields, RegisteredFields);
break;
default:
throw new NotImplementedException();
}
}
/// <summary>
/// Push WorkingSet to next time step.
/// </summary>
public void Push(SIMPLEControl SolverConf)
{
if (SolverConf.Algorithm == SolutionAlgorithms.Unsteady_SIMPLE)
{
this.Velocity.Push();
switch (SolverConf.PhysicsMode)
{
case PhysicsMode.Incompressible:
break;
case PhysicsMode.LowMach:
this.Temperature.Push();
this.ThermodynamicPressure.Push();
break;
case PhysicsMode.Multiphase:
this.Phi.Push();
break;
default:
throw new NotImplementedException();
}
}
}
/// <summary>
/// Ctor.
/// </summary>
/// <param name="GridDat"></param>
/// <param name="Control"></param>
/// <param name="IOFields"></param>
/// <param name="RegisteredFields"></param>
public BaseVariableSet(GridData GridDat, SIMPLEControl Control, ICollection <DGField> IOFields, ICollection <DGField> RegisteredFields)
{
InitFromAttributes.CreateFieldsAuto(this, GridDat, Control.FieldOptions, BoSSS.Foundation.XDG.XQuadFactoryHelper.MomentFittingVariants.Classic, IOFields, RegisteredFields);
}
/// <summary>
/// Update scalar field variables after solving scalar equation.
/// </summary>
/// <param name="SolverConf"></param>
/// <param name="ModeRelaxScalar"></param>
/// <param name="relax_scalar"></param>
/// <param name="Scalar"></param>
/// <param name="ScalarRes"></param>
/// <param name="ScalarMean"></param>
/// <param name="Rho"></param>
/// <param name="Eta"></param>
/// <param name="RhoMatrix"></param>
/// <param name="EoS"></param>
/// <param name="ThermodynamicPressure">Null for multiphase flows.</param>
public static void UpdateScalarFieldVariables(SIMPLEControl SolverConf, RelaxationTypes ModeRelaxScalar, double relax_scalar,
ScalarFieldHistory <SinglePhaseField> Scalar, SinglePhaseField ScalarRes, SinglePhaseField ScalarMean,
SinglePhaseField Rho, SinglePhaseField Eta, QuadratureMatrix RhoMatrix, MaterialLaw EoS,
SinglePhaseField ThermodynamicPressure, bool UpdateRhoVisc = true)
{
using (new FuncTrace()) {
// Explicit Under-Relaxation of scalar variable
// ============================================
if (ModeRelaxScalar == RelaxationTypes.Explicit)
{
// phi = alpha * phi_new + (1-alpha) * phi_old
Scalar.Current.Scale(relax_scalar);
Scalar.Current.Acc((1.0 - relax_scalar), ScalarRes);
}
// Scalar residual
// ===============
ScalarRes.Scale(-1.0);
ScalarRes.Acc(1.0, Scalar.Current);
// ScalarMean
// ==========
ScalarMean.Clear();
ScalarMean.AccLaidBack(1.0, Scalar.Current);
// Thermodynamic pressure - only for Low-Mach number flows
// =======================================================
switch (SolverConf.PhysicsMode)
{
case PhysicsMode.LowMach:
LowMachSIMPLEControl lowMachConf = SolverConf as LowMachSIMPLEControl;
if (lowMachConf.ThermodynamicPressureMode == ThermodynamicPressureMode.MassDetermined)
{
ThermodynamicPressure.Clear();
ThermodynamicPressure.AccConstant(((MaterialLawLowMach)EoS).GetMassDeterminedThermodynamicPressure(lowMachConf.InitialMass.Value, Scalar.Current));
}
break;
case PhysicsMode.Multiphase:
break;
default:
throw new ApplicationException();
}
if (UpdateRhoVisc)
{
// Density
// =======
Rho.Clear();
Rho.ProjectFunction(1.0, EoS.GetDensity, null, Scalar.Current);
RhoMatrix.Update();
// Viscosity
// =========
Eta.Clear();
Eta.ProjectFunction(1.0, EoS.GetViscosity, null, Scalar.Current);
}
}
}
/// <summary>
/// Calculate Nusselt number for Low-Mach number flows.
/// </summary>
/// <param name="Timestep"></param>
/// <param name="GridDat"></param>
/// <param name="Temperature"></param>
/// <param name="SolverConf"></param>
void CalculateNusselt(TimestepNumber Timestep, IGridData GridDat, SinglePhaseField Temperature, SIMPLEControl SolverConf)
{
// Initialize calculation of Nusselt number.
if (NusseltNum == null)
{
LowMachSIMPLEControl lowMachConf = SolverConf as LowMachSIMPLEControl;
NusseltNum = new NusseltNumber(GridDat, Temperature, lowMachConf.EoS, lowMachConf.EdgeTagsNusselt);
if ((base.MPIRank == 0) && (CurrentSessionInfo.ID != Guid.Empty))
{
LogNusselt = base.DatabaseDriver.FsDriver.GetNewLog("Nusselt", CurrentSessionInfo.ID);
LogNusselt.Write("Timestep");
for (int bc = 0; bc < NusseltNum.Nusselt.Length; bc++)
{
LogNusselt.Write("\t" + lowMachConf.EdgeTagsNusselt[bc]);
}
LogNusselt.WriteLine();
}
}
// Calculate Nusselt number
NusseltNum.CalculateNusseltNumber();
// Write result to text file
if ((base.MPIRank == 0) && (LogNusselt != null))
{
LogNusselt.Write(Timestep.ToString());
for (int bc = 0; bc < NusseltNum.Nusselt.Length; bc++)
{
LogNusselt.Write("\t" + NusseltNum.Nusselt[bc].ToString("0.0000000000E+00", NumberFormatInfo.InvariantInfo));
}
LogNusselt.WriteLine();
LogNusselt.Flush();
}
}
/// <summary>
/// Initialize all variables, which are not
/// initialized by the control-file.
/// Has to be called after <see cref="Application.SetInitial()"/>
/// </summary>
public void Initialize(SIMPLEControl SolverConf)
{
// Set history length according to time order
if (SolverConf.Algorithm == SolutionAlgorithms.Unsteady_SIMPLE)
{
this.Velocity.IncreaseHistoryLength(SolverConf.TimeOrder);
}
this.VelocityMean.Clear();
this.VelocityMean.AccLaidBack(1.0, this.Velocity.Current);
switch (SolverConf.PhysicsMode)
{
case PhysicsMode.Incompressible:
break;
case PhysicsMode.LowMach: {
LowMachSIMPLEControl lowMachConf = SolverConf as LowMachSIMPLEControl;
// Set history length according to time order
if (SolverConf.Algorithm == SolutionAlgorithms.Unsteady_SIMPLE)
{
this.Temperature.IncreaseHistoryLength(SolverConf.TimeOrder);
}
// Initialize TemperatureMean
this.TemperatureMean.Clear();
this.TemperatureMean.AccLaidBack(1.0, this.Temperature.Current);
// Initialize ThermodynamicPressure
this.ThermodynamicPressure.Current.Clear();
switch (lowMachConf.ThermodynamicPressureMode)
{
case ThermodynamicPressureMode.Constant:
this.ThermodynamicPressure.Current.AccConstant(1.0);
break;
case ThermodynamicPressureMode.MassDetermined:
if (SolverConf.Algorithm == SolutionAlgorithms.Unsteady_SIMPLE)
{
this.ThermodynamicPressure.IncreaseHistoryLength(SolverConf.TimeOrder);
}
this.ThermodynamicPressure.Current.AccConstant(
lowMachConf.EoS.GetMassDeterminedThermodynamicPressure(
lowMachConf.InitialMass.Value, this.Temperature.Current));
break;
default:
throw new NotImplementedException();
}
// Initialize EoS
lowMachConf.EoS.Initialize(this.ThermodynamicPressure);
// Initialize Density
this.Rho.Clear();
this.Rho.ProjectFunction(1.0, lowMachConf.EoS.GetDensity, null, this.Temperature.Current);
// Initialize Viscosity
this.Eta.Clear();
this.Eta.ProjectFunction(1.0, lowMachConf.EoS.GetViscosity, null, this.Temperature.Current);
}
break;
case PhysicsMode.Multiphase: {
MultiphaseSIMPLEControl multiphaseConf = SolverConf as MultiphaseSIMPLEControl;
// Set history length according to time order
if (SolverConf.Algorithm == SolutionAlgorithms.Unsteady_SIMPLE)
{
this.Phi.IncreaseHistoryLength(SolverConf.TimeOrder);
}
// Initialize PhiMean
this.PhiMean.Clear();
this.PhiMean.AccLaidBack(1.0, this.Phi.Current);
// Initialize Density
this.Rho.Clear();
this.Rho.ProjectFunction(1.0, multiphaseConf.EoS.GetDensity, null, this.Phi.Current);
// Initialize Viscosity
this.Eta.Clear();
this.Eta.ProjectFunction(1.0, multiphaseConf.EoS.GetViscosity, null, this.Phi.Current);
}
break;
default:
throw new NotImplementedException();
}
}
/// <summary>
/// Ctor
/// </summary>
/// <param name="GridDat"></param>
/// <param name="Control"></param>
/// <param name="IOFields"></param>
/// <param name="RegisteredFields"></param>
public VariableSetVariableDensity(IGridData GridDat, SIMPLEControl Control, ICollection <DGField> IOFields, ICollection <DGField> RegisteredFields)
: base(GridDat, Control, IOFields, RegisteredFields)
{
}
