/// <summary>
/// Integrand on boundary mesh edges of the SIP
/// </summary>
virtual public double BoundaryEdgeForm(ref Foundation.CommonParamsBnd inp, double[] _uA, double[,] _Grad_uA, double _vA, double[] _Grad_vA)
{
double Acc = 0.0;
double pnlty = 2 * this.GetPenalty(inp.jCellIn, -1);//, inp.GridDat.Cells.cj);
double nuA = this.Nu(inp.X, inp.Parameters_IN, inp.jCellIn);
if (this.IsDirichlet(ref inp))
{
// inhom. Dirichlet b.c.
// +++++++++++++++++++++
double g_D = this.g_Diri(ref inp);
for (int d = 0; d < inp.D; d++)
{
double nd = inp.Normal[d];
Acc += (nuA * _Grad_uA[0, d]) * (_vA) * nd; // consistency
Acc += (nuA * _Grad_vA[d]) * (_uA[0] - g_D) * nd; // symmetry
}
Acc *= this.m_alpha;
Acc -= nuA * (_uA[0] - g_D) * (_vA - 0) * pnlty; // penalty
}
else
{
double g_N = this.g_Neum(ref inp);
Acc += nuA * g_N * _vA * this.m_alpha;
}
return(Acc);
}
public double BoundaryEdgeForm(ref Foundation.CommonParamsBnd inp, double[] _uA, double[,] _Grad_uA, double _vA, double[] _Grad_vA)
{
double Acc = 0.0;
double pnlty = 2 * this.mu(inp.jCellIn, -1);
double muA = this.Nu(inp.X, inp.Parameters_IN);
{
// inhom. Dirichlet b.c.
// +++++++++++++++++++++
double g_D = _uA[0];
for (int d = 0; d < inp.D; d++)
{
double nd = inp.Normale[d];
Acc += (muA * _Grad_uA[0, d]) * (_vA) * nd;
Acc += (muA * _Grad_vA[d]) * (_uA[0] - g_D) * nd;
}
Acc *= this.m_alpha;
Acc -= muA * (_uA[0] - g_D) * (_vA - 0) * pnlty;
}
return(Acc);
}
public double BoundaryEdgeForm(ref Foundation.CommonParamsBnd inp, double[] _uA, double[,] _Grad_uA, double _vA, double[] _Grad_vA)
{
double Acc = 0.0;
double pnlty = 2 * this.penalty(inp.jCellIn, -1);
double muA = Viscosity;
if (IsDiri(inp.X, inp.Normale, inp.EdgeTag))
{
// inhom. Dirichlet b.c.
// +++++++++++++++++++++
double g_D = g_Diri(inp.X, inp.time, inp.EdgeTag);
for (int d = 0; d < inp.D; d++)
{
double nd = inp.Normale[d];
Acc += (muA * _Grad_uA[0, d]) * (_vA) * nd;
Acc += (muA * _Grad_vA[d]) * (_uA[0] - g_D) * nd;
}
Acc -= muA * (_uA[0] - g_D) * (_vA - 0) * pnlty;
}
else
{
// inhom. Neumann
// ++++++++++++
double g_N = g_Neu(inp.X, inp.Normale, inp.EdgeTag);
Acc += muA * g_N * _vA;
}
return(-Acc);
}
protected override double BorderEdgeFlux(ref Foundation.CommonParamsBnd inp, double[] Uin)
{
IncompressibleBcType edgeType = bcmap.EdgeTag2Type[inp.EdgeTag];
switch (edgeType)
{
case IncompressibleBcType.Wall:
case IncompressibleBcType.Velocity_Inlet: {
Foundation.CommonParams inp2;
inp2.GridDat = inp.GridDat;
inp2.Normale = inp.Normale;
inp2.iEdge = inp.iEdge;
inp2.Parameters_IN = inp.Parameters_IN;
inp2.X = inp.X;
inp2.time = inp.time;
// Boundary conditions scalar
// ==========================
inp2.Parameters_OUT = new double[2 * SpatDimension + 2];
double ScalarOut = scalarFunction[inp.EdgeTag](inp.X, 0.0);
inp2.Parameters_OUT[2 * SpatDimension] = scalarFunction[inp.EdgeTag](inp.X, inp.time);
// ScalarMeanOut = ScalarMeanIn
inp2.Parameters_OUT[2 * SpatDimension + 1] = inp.Parameters_IN[2 * SpatDimension + 1];
// Boundary conditions velocity
// ============================
for (int j = 0; j < SpatDimension; j++)
{
inp2.Parameters_OUT[j] = velFunction[inp.EdgeTag, j](inp.X, inp.time);
// VelocityMeanOut = VelocityMeanIn
inp2.Parameters_OUT[SpatDimension + j] = inp.Parameters_IN[SpatDimension + j];
}
return(InnerEdgeFlux(ref inp2, Uin, new double[] { ScalarOut }));
}
case IncompressibleBcType.Pressure_Outlet: {
double r = 0.0;
double Scalar0 = inp.Parameters_IN[2 * SpatDimension];
double rho = EoS.GetDensity(Scalar0);
double Scalar = Uin[0];
for (int j = 0; j < SpatDimension; j++)
{
double u_j = inp.Parameters_IN[j];
r += rho * Scalar * u_j * inp.Normale[j];
}
return(r);
}
default:
throw new NotImplementedException("Boundary condition not implemented!");
}
}
/// <summary>
/// Integrand on boundary mesh edges of the SIP
/// </summary>
public override double BoundaryEdgeForm(ref Foundation.CommonParamsBnd inp, double[] _uA, double[,] _Grad_uA, double _vA, double[] _Grad_vA)
{
double Acc = 0.0;
double pnlty = 2 * this.GetPenalty(inp.jCellIn, -1);//, inp.GridDat.Cells.cj);
double nuA = this.Nu(inp.X, inp.Parameters_IN, inp.jCellIn);
if (this.IsDirichlet(ref inp))
{
// inhom. Dirichlet b.c.
// +++++++++++++++++++++
double g_D = this.g_Diri(ref inp);
// inflow / outflow
if (g_D != 0)
{
for (int d = 0; d < inp.D; d++)
{
double nd = inp.Normal[d];
Acc += (nuA * _Grad_uA[0, d]) * (_vA) * nd; // consistency
Acc += (nuA * _Grad_vA[d]) * (_uA[0] - g_D) * nd; // symmetry
}
Acc *= this.m_alpha;
Acc -= nuA * (_uA[0] - g_D) * (_vA - 0) * pnlty; // penalty
}
else
{
for (int d = 0; d < inp.D; d++)
{
double nd = inp.Normal[d];
//Acc += (nuA * _Grad_uA[0, d]) * (_vA) * nd; // consistency
//Acc += (nuA * 0.0) * (_vA) * nd; // consistency Neumann
}
//double D0 = 1.0;
//Acc -= (nuA * _vA) * D0 * (_uA[0]-inp.Parameters_IN[inp.D])/ 0.01; // Outflow boundary condition see S. Dong
Acc *= this.m_alpha;
}
}
else
{
double g_N = this.g_Neum(ref inp);
Acc += nuA * g_N * _vA * this.m_alpha;
}
return(Acc);
}
public double BoundaryEdgeForm(ref Foundation.CommonParamsBnd inp, double[] _uA, double[,] _Grad_uA, double _vA, double[] _Grad_vA)
{
double Acc = 0.0;
double pnlty = 2 * this.penalty(inp.jCellIn, -1);//, inp.GridDat.Cells.cj);
double muA = this.Conductivity(inp.Parameters_IN);
ThermalBcType edgType = this.EdgeTag2Type[inp.EdgeTag];
switch (edgType)
{
case ThermalBcType.Dirichlet: {
// inhom. Dirichlet b.c.
// +++++++++++++++++++++
double g_D = this.g_Diri(inp.X, inp.time, inp.EdgeTag, 0);
for (int d = 0; d < inp.D; d++)
{
double nd = inp.Normale[d];
Acc += (muA * _Grad_uA[0, d]) * (_vA) * nd;
Acc += (muA * _Grad_vA[d]) * (_uA[0] - g_D) * nd;
}
Acc *= this.m_alpha;
Acc -= muA * (_uA[0] - g_D) * (_vA - 0) * pnlty;
break;
}
case ThermalBcType.ZeroGradient: {
for (int d = 0; d < inp.D; d++)
{
double nd = inp.Normale[d];
Acc += (muA * _Grad_uA[0, d]) * (_vA) * nd;
//Acc += (muA * _Grad_vA[d]) * (_uA[0] - g_D) * nd;
}
Acc *= this.m_alpha;
//Acc -= muA * (_uA[0] - g_D) * (_vA - 0) * pnlty;
break;
}
default:
throw new NotImplementedException();
}
return(-Acc);
}
protected override double BorderEdgeFlux(ref Foundation.CommonParamsBnd inp, double[] Uin)
{
//switch (m_varMode) {
// case EquationAndVarMode.u_p_2:
// case EquationAndVarMode.mom_p:
return(base.BorderEdgeFlux(ref inp, Uin));
// case EquationAndVarMode.u_p:
// return base.BorderEdgeFlux(ref inp, Uin)*oneOverRho;
// case EquationAndVarMode.u_Psi:
// Uin[0] /= oneOverRho;
// return base.BorderEdgeFlux(ref inp, Uin)*oneOverRho;
// default:
// throw new NotImplementedException();
//}
}
protected override double BorderEdgeFlux(ref Foundation.CommonParamsBnd inp, double[] Uin)
{
return(Uin[0] * inp.Normal[0] * m_factor);
}
/// <summary> /// true if the actual node (<paramref name="inp"/>, see <see cref="BoSSS.Foundation.InParams.X"/>), /// at which the flux is evaluated /// is in the Dirichlet domain /// </summary> /// <returns> /// if true, the actual node is assumed to be a Dirichlet boundary: <see cref="g_Diri"/>; <br/> /// if false, the actual node is assumed to be a Neumann boundary: <see cref="g_Neum"/>; <br/> /// </returns> protected abstract bool IsDirichlet(ref Foundation.CommonParamsBnd inp);
protected override double BorderEdgeFlux(ref Foundation.CommonParamsBnd inp, double[] Uin)
{
double res = 0.0;
IncompressibleBcType edgeType = Bcmap.EdgeTag2Type[inp.EdgeTag];
switch (edgeType)
{
case IncompressibleBcType.Wall:
case IncompressibleBcType.NoSlipNeumann: {
res = 0.0;
break;
}
case IncompressibleBcType.Velocity_Inlet: {
double TemperatureOut = 0.0;
double Uout = VelFunction[inp.EdgeTag](inp.X, inp.time);
switch (Bcmap.PhysMode)
{
case PhysicsMode.LowMach:
case PhysicsMode.Multiphase: {
// opt1:
TemperatureOut = Bcmap.bndFunction[VariableNames.Temperature][inp.EdgeTag](inp.X, inp.time);
res = EoS.GetDensity(TemperatureOut) * Uout * inp.Normal[Component];
// opt2:
//double TemperatureIN = inp.Parameters_IN[0];
//double rhoIn = EoS.GetDensity(TemperatureIN);
//res = rhoIn * Uout * inp.Normale[Component];
break;
}
case PhysicsMode.Combustion:
// opt1:
TemperatureOut = Bcmap.bndFunction[VariableNames.Temperature][inp.EdgeTag](inp.X, inp.time);
double[] args = new double[NumberOfReactants + 1];
args[0] = TemperatureOut;
for (int n = 1; n < NumberOfReactants + 1; n++)
{
args[n] = Bcmap.bndFunction[VariableNames.MassFraction_n(n - 1)][inp.EdgeTag](inp.X, inp.time);
}
res = EoS.GetDensity(args) * Uout * inp.Normal[Component];
break;
case PhysicsMode.Incompressible:
res = Uout * inp.Normal[Component];
break;
default:
throw new ApplicationException("PhysicsMode not implemented");
}
}
break;
case IncompressibleBcType.Pressure_Outlet: {
switch (Bcmap.PhysMode)
{
case PhysicsMode.Incompressible:
res = Uin[0] * inp.Normal[Component];
break;
case PhysicsMode.LowMach:
case PhysicsMode.Multiphase:
res = EoS.GetDensity(inp.Parameters_IN[0]) * Uin[0] * inp.Normal[Component];
break;
case PhysicsMode.Combustion:
res = EoS.GetDensity(inp.Parameters_IN) * Uin[0] * inp.Normal[Component];
break;
default:
throw new ApplicationException("PhysicsMode not implemented");
}
}
break;
default:
throw new NotImplementedException("Boundary condition not implemented!");
}
return(res);
}
double BorderEdgeFlux(ref Foundation.CommonParamsBnd inp, double[] Uin)
{
double res = 0.0;
IncompressibleBcType edgeType = Bcmap.EdgeTag2Type[inp.EdgeTag];
double[] DensityArgumentsIn;
switch (edgeType)
{
case IncompressibleBcType.Wall:
case IncompressibleBcType.NoSlipNeumann:
res = 0.0;
break;
case IncompressibleBcType.Velocity_Inlet: {
double TemperatureOut = 0.0;
double Uout = VelFunction[inp.EdgeTag](inp.X, inp.time);
switch (Bcmap.PhysMode)
{
case PhysicsMode.Incompressible:
res = Uout * inp.Normal[Component];
break;
case PhysicsMode.MixtureFraction:
// opt1:
double Zout = Bcmap.bndFunction[VariableNames.MixtureFraction][inp.EdgeTag](inp.X, inp.time);
res = EoS.getDensityFromZ(Zout) * Uout * inp.Normal[Component];
break;
case PhysicsMode.LowMach:
case PhysicsMode.Multiphase: {
// opt1:
TemperatureOut = Bcmap.bndFunction[VariableNames.Temperature][inp.EdgeTag](inp.X, inp.time);
res = EoS.GetDensity(TemperatureOut) * Uout * inp.Normal[Component];
// opt2:
//double TemperatureIN = inp.Parameters_IN[0];
//double rhoIn = EoS.GetDensity(TemperatureIN);
//res = rhoIn * Uout * inp.Normale[Component];
break;
}
case PhysicsMode.Combustion: {
// opt1:
TemperatureOut = Bcmap.bndFunction[VariableNames.Temperature][inp.EdgeTag](inp.X, inp.time);
double[] argsa = new double[NumberOfSpecies - 1 + 1];
argsa[0] = TemperatureOut;
for (int n = 1; n < NumberOfSpecies; n++)
{
argsa[n] = Bcmap.bndFunction[VariableNames.MassFraction_n(n - 1)][inp.EdgeTag](inp.X, inp.time);
}
res = EoS.GetDensity(argsa) * Uout * inp.Normal[Component];
break;
}
default:
throw new ApplicationException("PhysicsMode not implemented");
}
}
break;
case IncompressibleBcType.Pressure_Dirichlet:
case IncompressibleBcType.Pressure_Outlet: {
switch (Bcmap.PhysMode)
{
case PhysicsMode.Incompressible:
res = Uin[Component] * inp.Normal[Component];
break;
case PhysicsMode.MixtureFraction:
double Zin = Uin[inp.D];
res = EoS.getDensityFromZ(Zin) * Uin[Component] * inp.Normal[Component];
break;
case PhysicsMode.LowMach:
case PhysicsMode.Multiphase:
DensityArgumentsIn = Uin.GetSubVector(m_SpatialDimension, 1); // Only TemperatureIn
res = EoS.GetDensity(DensityArgumentsIn) * Uin[Component] * inp.Normal[Component];
break;
case PhysicsMode.Combustion:
DensityArgumentsIn = Uin.GetSubVector(m_SpatialDimension, NumberOfSpecies);
res = EoS.GetDensity(DensityArgumentsIn) * Uin[Component] * inp.Normal[Component];
break;
default:
throw new ApplicationException("PhysicsMode not implemented");
}
}
break;
default:
throw new NotImplementedException("Boundary condition not implemented!");
}
return(res);
}
public override double BoundaryEdgeForm(ref Foundation.CommonParamsBnd inp, double[] _uA, double[,] _Grad_uA, double _vA, double[] _Grad_vA)
{
double Acc = 0.0;
double pnlty = 2 * this.penalty(inp.jCellIn, -1);//, inp.GridDat.Cells.cj);
double muA = this.Viscosity(inp.Parameters_IN);
IncompressibleBcType edgType = base.EdgeTag2Type[inp.EdgeTag];
switch (edgType)
{
case IncompressibleBcType.Velocity_Inlet:
case IncompressibleBcType.Wall:
case IncompressibleBcType.NoSlipNeumann: {
// inhom. Dirichlet b.c.
// +++++++++++++++++++++
double g_D = this.g_Diri(inp.X, inp.time, inp.EdgeTag, base.m_iComp);
for (int i = 0; i < inp.D; i++)
{
// consistency
Acc += (muA * _Grad_uA[i, m_iComp]) * (_vA) * inp.Normale[i];
// symmetry
switch (ViscSolverMode)
{
case ViscositySolverMode.FullyCoupled:
Acc += (muA * _Grad_vA[i]) * (_uA[i] - this.g_Diri(inp.X, inp.time, inp.EdgeTag, i)) * inp.Normale[m_iComp];
break;
case ViscositySolverMode.Segregated:
if (i == m_iComp)
{
Acc += (muA * _Grad_vA[i]) * (_uA[i] - this.g_Diri(inp.X, inp.time, inp.EdgeTag, i)) * inp.Normale[m_iComp];
}
break;
default:
throw new NotImplementedException();
}
}
Acc *= base.m_alpha;
// penalty
Acc -= muA * (_uA[m_iComp] - this.g_Diri(inp.X, inp.time, inp.EdgeTag, base.m_iComp)) * (_vA - 0) * pnlty;
break;
}
case IncompressibleBcType.FreeSlip:
case IncompressibleBcType.SlipSymmetry: {
int D = inp.D;
double g_D;
for (int dN = 0; dN < D; dN++)
{
for (int dD = 0; dD < D; dD++)
{
// consistency
Acc += muA * (inp.Normale[dN] * _Grad_uA[dD, dN] * inp.Normale[dD]) * (_vA * inp.Normale[m_iComp]) * base.m_alpha;
// symmetry
switch (ViscSolverMode)
{
case ViscositySolverMode.FullyCoupled:
g_D = this.g_Diri(inp.X, inp.time, inp.EdgeTag, dD);
Acc += muA * (inp.Normale[dN] * _Grad_vA[dN] * inp.Normale[m_iComp]) * (_uA[dD] - g_D) * inp.Normale[dD] * base.m_alpha;
break;
case ViscositySolverMode.Segregated:
default:
throw new NotImplementedException();
}
}
g_D = this.g_Diri(inp.X, inp.time, inp.EdgeTag, dN);
// penalty
Acc -= muA * ((_uA[dN] - g_D) * inp.Normale[dN]) * ((_vA - 0) * inp.Normale[m_iComp]) * pnlty;
}
break;
}
case IncompressibleBcType.NavierSlip_Linear: {
double ls = Lslip[inp.jCellIn];
if (ls == 0.0)
{
goto case IncompressibleBcType.Velocity_Inlet;
}
else
{
goto case IncompressibleBcType.FreeSlip;
}
}
//case IncompressibleBcType.NavierSlip_localized: {
// double ls = Lslip[inp.jCellIn];
// if(ls > 0.0) {
// m_beta = muA / ls;
// goto case IncompressibleBcType.NavierSlip_Linear;
// } else {
// goto case IncompressibleBcType.Velocity_Inlet;
// }
// }
case IncompressibleBcType.Pressure_Dirichlet:
case IncompressibleBcType.Outflow:
case IncompressibleBcType.Pressure_Outlet: {
if (base.g_Neu_Override == null)
{
// Inner values of velocity gradient are taken, i.e.
// no boundary condition for the velocity (resp. velocity gradient) is imposed.
for (int i = 0; i < inp.D; i++)
{
Acc += (muA * _Grad_uA[i, m_iComp]) * (_vA) * inp.Normale[i];
}
}
else
{
double g_N = g_Neu(inp.X, inp.Normale, inp.EdgeTag);
Acc += muA * g_N * _vA;
}
Acc *= base.m_alpha;
break;
}
default:
throw new NotSupportedException();
}
return(-Acc);
}
public override double BoundaryEdgeForm(ref Foundation.CommonParamsBnd inp, double[] _uA, double[,] _Grad_uA, double _vA, double[] _Grad_vA)
{
double Acc = 0.0;
double pnlty = 2 * this.penalty(inp.jCellIn, -1);//, inp.GridDat.Cells.cj);
double muA = this.Viscosity(inp.Parameters_IN);
IncompressibleBcType edgType = base.EdgeTag2Type[inp.EdgeTag];
switch (edgType)
{
case IncompressibleBcType.Velocity_Inlet:
case IncompressibleBcType.Wall:
case IncompressibleBcType.NoSlipNeumann: {
// inhom. Dirichlet b.c.
// +++++++++++++++++++++
double g_D = base.g_Diri(inp.X, inp.time, inp.EdgeTag, m_iComp);
for (int d = 0; d < inp.D; d++)
{
double nd = inp.Normale[d];
//Acc += (muA * _Grad_uA[0, d]) * (_vA) * nd;
//Acc += (muA * _Grad_vA[d]) * (_uA[0] - g_D) * nd;
Acc += (muA * _Grad_uA[m_iComp, d]) * (_vA) * nd;
Acc += (muA * _Grad_vA[d]) * (_uA[m_iComp] - g_D) * nd;
}
Acc *= base.m_alpha;
//Acc -= muA * (_uA[0] - g_D) * (_vA - 0) * pnlty;
Acc -= muA * (_uA[m_iComp] - g_D) * (_vA - 0) * pnlty;
break;
}
case IncompressibleBcType.FreeSlip:
case IncompressibleBcType.SlipSymmetry: {
int D = inp.D;
double g_D;
for (int dN = 0; dN < D; dN++)
{
g_D = base.g_Diri(inp.X, inp.time, inp.EdgeTag, dN);
for (int dD = 0; dD < D; dD++)
{
// consistency
Acc += muA * (inp.Normale[dN] * _Grad_uA[dN, dD] * inp.Normale[dD]) * (_vA * inp.Normale[m_iComp]) * base.m_alpha;
// symmetry
Acc += muA * (inp.Normale[m_iComp] * _Grad_vA[dD] * inp.Normale[dD]) * (_uA[dN] - g_D) * inp.Normale[dN] * base.m_alpha;
}
// penalty
Acc -= muA * ((_uA[dN] - g_D) * inp.Normale[dN]) * ((_vA - 0) * inp.Normale[m_iComp]) * pnlty;
}
break;
}
case IncompressibleBcType.NavierSlip_Linear: {
double ls = Lslip[inp.jCellIn];
if (ls == 0.0)
{
goto case IncompressibleBcType.Velocity_Inlet;
}
if (ls > 0)
{
m_beta = muA / ls;
}
int D = inp.D;
double g_D;
for (int dN = 0; dN < D; dN++)
{
g_D = base.g_Diri(inp.X, inp.time, inp.EdgeTag, dN);
for (int dD = 0; dD < D; dD++)
{
// consistency
Acc += muA * (inp.Normale[dN] * _Grad_uA[dN, dD] * inp.Normale[dD]) * (_vA * inp.Normale[m_iComp]) * base.m_alpha;
// symmetry
Acc += muA * (inp.Normale[m_iComp] * _Grad_vA[dD] * inp.Normale[dD]) * (_uA[dN] - g_D) * inp.Normale[dN] * base.m_alpha;
}
// penalty
Acc -= muA * ((_uA[dN] - g_D) * inp.Normale[dN]) * ((_vA - 0) * inp.Normale[m_iComp]) * pnlty;
}
double[,] P = new double[D, D];
for (int d1 = 0; d1 < D; d1++)
{
for (int d2 = 0; d2 < D; d2++)
{
double nn = inp.Normale[d1] * inp.Normale[d2];
if (d1 == d2)
{
P[d1, d2] = 1 - nn;
}
else
{
P[d1, d2] = -nn;
}
}
}
// tangential dissipation force term
for (int d1 = 0; d1 < D; d1++)
{
for (int d2 = 0; d2 < D; d2++)
{
g_D = base.g_Diri(inp.X, inp.time, inp.EdgeTag, d2);
Acc -= (m_beta * P[d1, d2] * (_uA[d2] - g_D)) * (P[d1, m_iComp] * _vA) * base.m_alpha;
}
}
break;
}
//case IncompressibleBcType.NavierSlip_localized: {
// double ls = Lslip[inp.jCellIn];
// if(ls > 0.0) {
// m_beta = muA / ls;
// goto case IncompressibleBcType.NavierSlip_Linear;
// } else {
// goto case IncompressibleBcType.Velocity_Inlet;
// }
//}
case IncompressibleBcType.Outflow:
case IncompressibleBcType.Pressure_Outlet: {
// Atmospheric outlet/pressure outflow: hom. Neumann
// +++++++++++++++++++++++++++++++++++++++++++++++++
double g_N = g_Neu(inp.X, inp.Normale, inp.EdgeTag);
Acc += muA * g_N * _vA * base.m_alpha;
break;
}
case IncompressibleBcType.Pressure_Dirichlet: {
// Dirichlet boundary condition for pressure.
// Inner values of velocity gradient are taken, i.e.
// no boundary condition for the velocity (resp. velocity gradient) is imposed.
for (int d = 0; d < inp.D; d++)
{
//Acc += (muA * _Grad_uA[0, d]) * (_vA) * inp.Normale[d];
Acc += (muA * _Grad_uA[m_iComp, d]) * (_vA) * inp.Normale[d];
}
Acc *= base.m_alpha;
break;
}
default:
throw new NotImplementedException();
}
return(-Acc);
}
/// <summary>
/// flux at the boundary
/// </summary>
double BorderEdgeFlux(ref Foundation.CommonParamsBnd inp, double[] Uin)
{
IncompressibleBcType edgeType = m_bcmap.EdgeTag2Type[inp.EdgeTag];
switch (edgeType)
{
case IncompressibleBcType.Wall: {
if ((edgeType == IncompressibleBcType.Wall) && (m_bcmap.PhysMode == PhysicsMode.Multiphase))
{
throw new ApplicationException("Use NoSlipNeumann boundary condition for multiphase flows instead of Wall.");
}
double r = 0.0;
// Setup params
// ============
Foundation.CommonParams inp2;
inp2.GridDat = inp.GridDat;
inp2.Normal = inp.Normal;
inp2.iEdge = inp.iEdge;
inp2.Parameters_IN = inp.Parameters_IN;
inp2.X = inp.X;
inp2.time = inp.time;
inp2.jCellIn = inp.jCellIn;
inp2.jCellOut = int.MinValue;
// Boundary values for Parameters
// ==============================
inp2.Parameters_OUT = new double[inp.Parameters_IN.Length];
// Dirichlet values for scalars and Velocities
// ==========================
double[] Uout = new double[Uin.Length];
//Velocity
for (int i = 0; i < m_SpatialDimension; i++)
{
Uout[i] = m_bcmap.bndFunction[VariableNames.Velocity_d(i)][inp.EdgeTag](inp.X, inp.time);
}
switch (m_bcmap.PhysMode)
{
case PhysicsMode.MixtureFraction:
// opt1:
//inp2.Parameters_OUT = inp.Parameters_IN;
Uout[m_SpatialDimension] = m_bcmap.bndFunction[VariableNames.MixtureFraction][inp.EdgeTag](inp.X, inp.time);
break;
case PhysicsMode.LowMach: {
Uout[m_SpatialDimension] = m_bcmap.bndFunction[VariableNames.Temperature][inp.EdgeTag](inp.X, inp.time);
break;
}
case PhysicsMode.Combustion: {
// opt1: (using Dirichlet values)
Uout[m_SpatialDimension] = m_bcmap.bndFunction[VariableNames.Temperature][inp.EdgeTag](inp.X, inp.time);
for (int n = 1; n < NumberOfReactants - 1 + 1; n++)
{
//Using inner values for species
Uout[m_SpatialDimension + n] = Uin[m_SpatialDimension + n];
}
break;
}
case PhysicsMode.Multiphase:
break;
default:
throw new NotImplementedException();
}
// Calculate BorderEdgeFlux as InnerEdgeFlux
// =========================================
r = InnerEdgeFlux(ref inp2, Uin, Uout);
if (double.IsNaN(r))
{
throw new NotFiniteNumberException();
}
return(r);
}
case IncompressibleBcType.Velocity_Inlet: {
if ((edgeType == IncompressibleBcType.Wall) && (m_bcmap.PhysMode == PhysicsMode.Multiphase))
{
throw new ApplicationException("Use NoSlipNeumann boundary condition for multiphase flows instead of Wall.");
}
double r = 0.0;
// Setup params
// ============
Foundation.CommonParams inp2;
inp2.GridDat = inp.GridDat;
inp2.Normal = inp.Normal;
inp2.iEdge = inp.iEdge;
inp2.Parameters_IN = inp.Parameters_IN;
inp2.X = inp.X;
inp2.time = inp.time;
inp2.jCellIn = inp.jCellIn;
inp2.jCellOut = int.MinValue;
// Boundary values for Parameters
// ==============================
inp2.Parameters_OUT = new double[inp.Parameters_IN.Length];
double[] Uout = new double[Uin.Length];
// Velocity
for (int j = 0; j < m_SpatialDimension; j++)
{
// opt1:
Uout[j] = m_bcmap.bndFunction[VariableNames.Velocity_d(j)][inp.EdgeTag](inp.X, inp.time);
}
// Skalar (e.g. temperature or MassFraction)
switch (m_bcmap.PhysMode)
{
case PhysicsMode.MixtureFraction: {
// opt1:
Uout[m_SpatialDimension] = m_bcmap.bndFunction[VariableNames.MixtureFraction][inp.EdgeTag](inp.X, inp.time);
break;
}
case PhysicsMode.LowMach: {
// opt1:
Uout[m_SpatialDimension] = m_bcmap.bndFunction[VariableNames.Temperature][inp.EdgeTag](inp.X, inp.time);
// opt2: inner values
//inp2.Parameters_OUT[2 * m_SpatialDimension] = inp2.Parameters_IN[2 * m_SpatialDimension];
break;
}
case PhysicsMode.Combustion: {
// opt1: (using Dirichlet values)
Uout[m_SpatialDimension] = m_bcmap.bndFunction[VariableNames.Temperature][inp.EdgeTag](inp.X, inp.time);
for (int n = 1; n < NumberOfReactants; n++)
{
// opt1: (using Dirichlet values)
Uout[m_SpatialDimension + n] = m_bcmap.bndFunction[VariableNames.MassFraction_n(n - 1)][inp.EdgeTag](inp.X, inp.time);
}
break;
}
case PhysicsMode.Multiphase:
break;
default:
throw new NotImplementedException();
}
// Calculate BorderEdgeFlux as InnerEdgeFlux
// =========================================
r = InnerEdgeFlux(ref inp2, Uin, Uout);
if (double.IsNaN(r))
{
throw new NotFiniteNumberException();
}
return(r);
}
case IncompressibleBcType.Pressure_Dirichlet:
case IncompressibleBcType.Outflow:
case IncompressibleBcType.Pressure_Outlet:
case IncompressibleBcType.NoSlipNeumann: {
double r = 0.0;
double u1, u2, u3 = 0;
u1 = Uin[0];
u2 = Uin[1];
r += Uin[argumentIndex] * (u1 * inp.Normal[0] + u2 * inp.Normal[1]);
if (m_SpatialDimension == 3)
{
u3 = Uin[2];
r += Uin[argumentIndex] * u3 * inp.Normal[2];
}
double rho = 1.0;
switch (m_bcmap.PhysMode)
{
case PhysicsMode.Incompressible:
break;
case PhysicsMode.MixtureFraction:
rho = EoS.getDensityFromZ(Uin[inp.D]);
break;
case PhysicsMode.LowMach:
rho = EoS.GetDensity(Uin[argumentIndex]);
break;
case PhysicsMode.Combustion:
double[] args = ArrayTools.GetSubVector(Uin, m_SpatialDimension, NumberOfReactants - 1 + 1);
rho = EoS.GetDensity(args);
break;
default:
throw new NotImplementedException("not implemented physmode");
}
r *= rho;
if (double.IsNaN(r))
{
throw new NotFiniteNumberException();
}
return(r);
}
default:
throw new NotImplementedException("Boundary condition not implemented!");
}
}
public override double BoundaryEdgeForm(ref Foundation.CommonParamsBnd inp, double[] _uA, double[,] _Grad_uA, double _vA, double[] _Grad_vA)
{
double Acc = 0.0;
double pnlty = 2 * this.penalty(inp.jCellIn, -1);//, inp.GridDat.Cells.cj);
double muA = this.Viscosity(inp.Parameters_IN);
IncompressibleBcType edgType = base.EdgeTag2Type[inp.EdgeTag];
switch (edgType)
{
case IncompressibleBcType.Velocity_Inlet:
case IncompressibleBcType.Wall:
case IncompressibleBcType.NoSlipNeumann: {
// inhom. Dirichlet b.c.
// +++++++++++++++++++++
double g_D = this.g_Diri(inp.X, inp.time, inp.EdgeTag, base.m_iComp);
for (int i = 0; i < inp.D; i++)
{
// consistency
Acc += (muA * _Grad_uA[i, i]) * (_vA) * inp.Normale[m_iComp];
// symmetry
switch (ViscSolverMode)
{
case ViscositySolverMode.FullyCoupled:
Acc += (muA * _Grad_vA[m_iComp]) * (_uA[i] - this.g_Diri(inp.X, inp.time, inp.EdgeTag, i)) * inp.Normale[i];
break;
case ViscositySolverMode.Segregated:
if (i == m_iComp)
{
Acc += (muA * _Grad_vA[m_iComp]) * (_uA[i] - this.g_Diri(inp.X, inp.time, inp.EdgeTag, i)) * inp.Normale[i];
}
break;
default:
throw new NotImplementedException();
}
}
Acc *= base.m_alpha;
// penalty
Acc -= muA * (_uA[m_iComp] - this.g_Diri(inp.X, inp.time, inp.EdgeTag, base.m_iComp)) * (_vA - 0) * pnlty;
break;
}
case IncompressibleBcType.Pressure_Dirichlet:
case IncompressibleBcType.Outflow:
case IncompressibleBcType.Pressure_Outlet: {
if (base.g_Neu_Override == null)
{
// Inner values of velocity gradient are taken, i.e.
// no boundary condition for the velocity (resp. velocity gradient) is imposed.
for (int i = 0; i < inp.D; i++)
{
Acc += (muA * _Grad_uA[i, i]) * (_vA) * inp.Normale[m_iComp];
}
}
else
{
double g_N = g_Neu(inp.X, inp.Normale, inp.EdgeTag);
Acc += muA * g_N * _vA;
}
Acc *= base.m_alpha;
break;
}
default:
throw new NotSupportedException();
}
return(Acc * (2.0 / 3.0));
}
public double BoundaryEdgeForm(ref Foundation.CommonParamsBnd inp, double[] _uA, double[,] _Grad_uA, double _vA, double[] _Grad_vA)
{
return(0.0);
}
/// <summary> /// flux at the boundary /// </summary> protected abstract double BorderEdgeFlux(ref Foundation.CommonParamsBnd inp, double[] Uin);
protected override double BorderEdgeFlux(ref Foundation.CommonParamsBnd inp, double[] Uin)
{
return(base.BorderEdgeFlux(ref inp, Uin));
}
/// <summary>
/// flux at the boundary
/// </summary>
protected override double BorderEdgeFlux(ref Foundation.CommonParamsBnd inp, double[] Uin)
{
IncompressibleBcType edgeType = m_bcmap.EdgeTag2Type[inp.EdgeTag];
switch (edgeType)
{
case IncompressibleBcType.Wall:
case IncompressibleBcType.Velocity_Inlet: {
if ((edgeType == IncompressibleBcType.Wall) && (m_bcmap.PhysMode == PhysicsMode.Multiphase))
{
throw new ApplicationException("Use NoSlipNeumann boundary condition for multiphase flows instead of Wall.");
}
double r = 0.0;
// Setup params
// ============
Foundation.CommonParams inp2;
inp2.GridDat = inp.GridDat;
inp2.Normal = inp.Normal;
inp2.iEdge = inp.iEdge;
inp2.Parameters_IN = inp.Parameters_IN;
inp2.X = inp.X;
inp2.time = inp.time;
inp2.jCellIn = inp.jCellIn;
inp2.jCellOut = int.MinValue;
// Dirichlet value for scalar
// ==========================
double Uout = scalarFunction[inp.EdgeTag](inp.X, inp.time);
// Boundary values for Parameters
// ==============================
inp2.Parameters_OUT = new double[inp.Parameters_IN.Length];
// Velocity
for (int j = 0; j < m_SpatialDimension; j++)
{
// opt1:
inp2.Parameters_OUT[j] = velFunction[j][inp.EdgeTag](inp.X, inp.time);
// opt2: inner values
//inp2.Parameters_OUT[j] = inp2.Parameters_IN[j];
// Velocity0MeanVectorOut is set to zero, i.e. always LambdaIn is used.
inp2.Parameters_OUT[m_SpatialDimension + j] = 0.0;
}
// Temperature
switch (m_bcmap.PhysMode)
{
case PhysicsMode.LowMach: {
// opt1:
inp2.Parameters_OUT[2 * m_SpatialDimension] = scalarFunction[inp.EdgeTag](inp.X, inp.time);
// opt2: inner values
//inp2.Parameters_OUT[2 * m_SpatialDimension] = inp2.Parameters_IN[2 * m_SpatialDimension];
// Use inner value for TemperatureMean, i.e. LambdaIn is used.
inp2.Parameters_OUT[2 * m_SpatialDimension + 1] = inp.Parameters_IN[2 * m_SpatialDimension + 1];
break;
}
case PhysicsMode.Multiphase:
case PhysicsMode.RANS:
break;
default:
throw new NotImplementedException();
}
// Calculate BorderEdgeFlux as InnerEdgeFlux
// =========================================
r = InnerEdgeFlux(ref inp2, Uin, new double[] { Uout });
return(r);
}
case IncompressibleBcType.Pressure_Dirichlet:
case IncompressibleBcType.Outflow:
case IncompressibleBcType.Pressure_Outlet:
case IncompressibleBcType.NoSlipNeumann: {
double r = 0.0;
double u1, u2, u3 = 0, phi;
phi = Uin[0];
u1 = inp.Parameters_IN[0];
u2 = inp.Parameters_IN[1];
r += phi * (u1 * inp.Normal[0] + u2 * inp.Normal[1]);
if (m_SpatialDimension == 3)
{
u3 = inp.Parameters_IN[2];
r += phi * u3 * inp.Normal[2];
}
if (m_bcmap.PhysMode == PhysicsMode.LowMach)
{
double rho = EoS.GetDensity(inp.Parameters_IN[2 * m_SpatialDimension]);
r *= rho;
}
return(r);
}
default:
throw new NotImplementedException("Boundary condition not implemented!");
}
}
/// <summary>
/// Neumann boundary value
/// </summary>
virtual protected double g_Neum(ref Foundation.CommonParamsBnd inp)
{
return(0);
}
abstract public double BoundaryEdgeForm(ref Foundation.CommonParamsBnd inp, double[] _uA, double[,] _Grad_uA, double _vA, double[] _Grad_vA);
protected override double BorderEdgeFlux(ref Foundation.CommonParamsBnd inp, double[] Uin)
{
return(-alpha * Uin[0] * inp.Normale[0]);
}
/// <summary>
/// flux at the boundary
/// </summary>
protected override double BorderEdgeFlux(ref Foundation.CommonParamsBnd inp, double[] Uin)
{
IncompressibleBcType edgeType = m_bcmap.EdgeTag2Type[inp.EdgeTag];
switch (edgeType)
{
case IncompressibleBcType.Wall: {
if ((edgeType == IncompressibleBcType.Wall) && (m_bcmap.PhysMode == PhysicsMode.Multiphase))
{
throw new ApplicationException("Use NoSlipNeumann boundary condition for multiphase flows instead of Wall.");
}
double r = 0.0;
// Setup params
// ============
Foundation.CommonParams inp2;
inp2.GridDat = inp.GridDat;
inp2.Normal = inp.Normal;
inp2.iEdge = inp.iEdge;
inp2.Parameters_IN = inp.Parameters_IN;
inp2.X = inp.X;
inp2.time = inp.time;
inp2.jCellIn = inp.jCellIn;
inp2.jCellOut = int.MinValue;
// Boundary values for Parameters
// ==============================
inp2.Parameters_OUT = new double[inp.Parameters_IN.Length];
// Velocity
for (int j = 0; j < m_SpatialDimension; j++)
{
// opt1:
inp2.Parameters_OUT[j] = m_bcmap.bndFunction[VariableNames.Velocity_d(j)][inp.EdgeTag](inp.X, inp.time);
// opt2: inner values
//inp2.Parameters_OUT[j] = inp2.Parameters_IN[j];
// Velocity0MeanVectorOut is set to zero, i.e. always LambdaIn is used.
inp2.Parameters_OUT[m_SpatialDimension + j] = 0.0;
}
// Skalar (e.g. temperature or MassFraction)
switch (m_bcmap.PhysMode)
{
case PhysicsMode.LowMach: {
// opt1:
inp2.Parameters_OUT[2 * m_SpatialDimension] = m_bcmap.bndFunction[VariableNames.Temperature][inp.EdgeTag](inp.X, inp.time);
// opt2: inner values
//inp2.Parameters_OUT[2 * m_SpatialDimension] = inp2.Parameters_IN[2 * m_SpatialDimension];
// Use inner value for TemperatureMean, i.e. LambdaIn is used.
inp2.Parameters_OUT[2 * m_SpatialDimension + 1] = inp.Parameters_IN[2 * m_SpatialDimension + 1];
break;
}
case PhysicsMode.Combustion: {
// opt1: (using Dirichlet values)
inp2.Parameters_OUT[2 * m_SpatialDimension] = m_bcmap.bndFunction[VariableNames.Temperature][inp.EdgeTag](inp.X, inp.time);
for (int n = 1; n < NumberOfReactants + 1; n++)
{
//Using inner values
inp2.Parameters_OUT[2 * m_SpatialDimension + n] = inp.Parameters_IN[2 * m_SpatialDimension + n];
}
for (int n = 0; n < NumberOfReactants + 1; n++)
{
// Use inner value for mean scalar input parameters, i.e. LambdaIn is used.
inp2.Parameters_OUT[2 * m_SpatialDimension + NumberOfReactants + 1 + n] = inp.Parameters_IN[2 * m_SpatialDimension + NumberOfReactants + 1 + n];
}
break;
}
case PhysicsMode.Multiphase:
break;
default:
throw new NotImplementedException();
}
// Dirichlet value for scalar
// ==========================
double[] Uout = new double[] { m_bcmap.bndFunction[Argument][inp.EdgeTag](inp.X, inp.time) };
// Calculate BorderEdgeFlux as InnerEdgeFlux
// =========================================
r = InnerEdgeFlux(ref inp2, Uin, Uout);
if (double.IsNaN(r))
{
throw new NotFiniteNumberException();
}
return(r);
}
case IncompressibleBcType.Velocity_Inlet: {
if ((edgeType == IncompressibleBcType.Wall) && (m_bcmap.PhysMode == PhysicsMode.Multiphase))
{
throw new ApplicationException("Use NoSlipNeumann boundary condition for multiphase flows instead of Wall.");
}
double r = 0.0;
// Setup params
// ============
Foundation.CommonParams inp2;
inp2.GridDat = inp.GridDat;
inp2.Normal = inp.Normal;
inp2.iEdge = inp.iEdge;
inp2.Parameters_IN = inp.Parameters_IN;
inp2.X = inp.X;
inp2.time = inp.time;
inp2.jCellIn = inp.jCellIn;
inp2.jCellOut = int.MinValue;
// Boundary values for Parameters
// ==============================
inp2.Parameters_OUT = new double[inp.Parameters_IN.Length];
// Velocity
for (int j = 0; j < m_SpatialDimension; j++)
{
// opt1:
inp2.Parameters_OUT[j] = m_bcmap.bndFunction[VariableNames.Velocity_d(j)][inp.EdgeTag](inp.X, inp.time);
// opt2: inner values
//inp2.Parameters_OUT[j] = inp2.Parameters_IN[j];
// Velocity0MeanVectorOut is set to zero, i.e. always LambdaIn is used.
inp2.Parameters_OUT[m_SpatialDimension + j] = 0.0;
}
// Skalar (e.g. temperature or MassFraction)
switch (m_bcmap.PhysMode)
{
case PhysicsMode.LowMach: {
// opt1:
inp2.Parameters_OUT[2 * m_SpatialDimension] = m_bcmap.bndFunction[VariableNames.Temperature][inp.EdgeTag](inp.X, inp.time);
// opt2: inner values
//inp2.Parameters_OUT[2 * m_SpatialDimension] = inp2.Parameters_IN[2 * m_SpatialDimension];
// Use inner value for TemperatureMean, i.e. LambdaIn is used.
inp2.Parameters_OUT[2 * m_SpatialDimension + 1] = inp.Parameters_IN[2 * m_SpatialDimension + 1];
break;
}
case PhysicsMode.Combustion: {
// opt1: (using Dirichlet values)
inp2.Parameters_OUT[2 * m_SpatialDimension] = m_bcmap.bndFunction[VariableNames.Temperature][inp.EdgeTag](inp.X, inp.time);
for (int n = 1; n < NumberOfReactants + 1; n++)
{
// opt1: (using Dirichlet values)
inp2.Parameters_OUT[2 * m_SpatialDimension + n] = m_bcmap.bndFunction[VariableNames.MassFraction_n(n - 1)][inp.EdgeTag](inp.X, inp.time);
}
for (int n = 0; n < NumberOfReactants + 1; n++)
{
// Use inner value for mean scalar input parameters, i.e. LambdaIn is used.
inp2.Parameters_OUT[2 * m_SpatialDimension + NumberOfReactants + 1 + n] = inp.Parameters_IN[2 * m_SpatialDimension + NumberOfReactants + 1 + n];
}
break;
}
case PhysicsMode.Multiphase:
break;
default:
throw new NotImplementedException();
}
// Dirichlet value for scalar
// ==========================
double[] Uout = new double[] { m_bcmap.bndFunction[Argument][inp.EdgeTag](inp.X, inp.time) };
// Calculate BorderEdgeFlux as InnerEdgeFlux
// =========================================
r = InnerEdgeFlux(ref inp2, Uin, Uout);
if (double.IsNaN(r))
{
throw new NotFiniteNumberException();
}
return(r);
}
case IncompressibleBcType.Pressure_Dirichlet:
case IncompressibleBcType.Outflow:
case IncompressibleBcType.Pressure_Outlet:
case IncompressibleBcType.NoSlipNeumann: {
double r = 0.0;
double u1, u2, u3 = 0;
u1 = inp.Parameters_IN[0];
u2 = inp.Parameters_IN[1];
r += Uin[0] * (u1 * inp.Normal[0] + u2 * inp.Normal[1]);
if (m_SpatialDimension == 3)
{
u3 = inp.Parameters_IN[2];
r += Uin[0] * u3 * inp.Normal[2];
}
if (m_bcmap.PhysMode == PhysicsMode.LowMach)
{
double rho = EoS.GetDensity(inp.Parameters_IN[2 * m_SpatialDimension]);
r *= rho;
}
if (m_bcmap.PhysMode == PhysicsMode.Combustion)
{
double[] args = new double[NumberOfReactants + 1];
for (int n = 0; n < NumberOfReactants + 1; n++)
{
args[n] = inp.Parameters_IN[2 * m_SpatialDimension + n];
}
double rho = EoS.GetDensity(args);
r *= rho;
}
if (double.IsNaN(r))
{
throw new NotFiniteNumberException();
}
return(r);
}
default:
throw new NotImplementedException("Boundary condition not implemented!");
}
}
