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update
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@bigfooted
bigfooted committed Jan 10, 2025
1 parent 55d2163 commit 535c841
Showing 1 changed file with 36 additions and 29 deletions.
65 changes: 36 additions & 29 deletions SU2_CFD/src/solvers/CTurbSSTSolver.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -271,8 +271,12 @@ void CTurbSSTSolver::Postprocessing(CGeometry *geometry, CSolver **solver_contai
shearStress = sqrt(shearStress);

const su2double FrictionVelocity = sqrt(shearStress/flowNodes->GetDensity(iPoint));
/*const su2double wall_dist = geometry->nodes->GetWall_Distance(jPoint);*/
const su2double wall_dist_old = geometry->nodes->GetWall_Distance(jPoint);

const su2double wall_dist = GetNearest_Neighbor(geometry,iPoint,iMarker,iVertex);

cout << "************************* wall distance old = " << wall_dist_old << " , wall distance new = " << wall_dist << endl;

const su2double Derivative = flowNodes->GetLaminarViscosity(jPoint) * pow(nodes->GetSolution(jPoint, 0), 0.673) / wall_dist;
const su2double turbulence_index = 6.1 * Derivative / pow(FrictionVelocity, 2.346);

Expand Down Expand Up @@ -462,21 +466,24 @@ void CTurbSSTSolver::BC_HeatFlux_Wall(CGeometry *geometry, CSolver **solver_cont
} else { // smooth wall

/*--- distance to closest neighbor ---*/
const auto jPoint = geometry->vertex[val_marker][iVertex]->GetNormal_Neighbor();
const su2double wall_dist = GetNearest_Neighbor(geometry,iPoint,val_marker, iVertex);
su2double wall_dist = GetNearest_Neighbor(geometry,iPoint,val_marker, iVertex);

//su2double distance2 = GeometryToolbox::SquaredDistance(nDim,
// geometry->nodes->GetCoord(iPoint),
// geometry->nodes->GetCoord(jPoint));
const auto jPoint = geometry->vertex[val_marker][iVertex]->GetNormal_Neighbor();
su2double distance2 = GeometryToolbox::SquaredDistance(nDim,
geometry->nodes->GetCoord(iPoint),
geometry->nodes->GetCoord(jPoint));
/*--- Set wall values ---*/

if (wall_dist < 1.0e-12) {cout <<"setting walldist to " << sqrt(distance2) << endl; wall_dist = sqrt(distance2);}

su2double density = solver_container[FLOW_SOL]->GetNodes()->GetDensity(jPoint);
su2double laminar_viscosity = solver_container[FLOW_SOL]->GetNodes()->GetLaminarViscosity(jPoint);

su2double beta_1 = constants[4];
su2double solution[MAXNVAR];
solution[0] = 0.0;
solution[1] = 60.0*laminar_viscosity/(density*beta_1*wall_dist*wall_dist);
//solution[1] = 60.0*laminar_viscosity/(density*beta_1*wall_dist*wall_dist);

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solution[1] = 60.0*laminar_viscosity/(density*beta_1*distance2);

/*--- Set the solution values and zero the residual ---*/
nodes->SetSolution_Old(iPoint,solution);
Expand Down Expand Up @@ -1040,26 +1047,24 @@ su2double CTurbSSTSolver::GetNearest_Neighbor(CGeometry *geometry, unsigned lon
/*--- Compute closest normal neighbor, note that the normal are oriented inwards ---*/
Point_Normal = 0;
// we use distance
dist_min = 1.0e10;
dist_min = 0.0;
for (size_t iNeigh = 0; iNeigh < geometry->nodes->GetnPoint(iPoint); iNeigh++) {
jPoint = geometry->nodes->GetPoint(iPoint, iNeigh);
const su2double* Coord_j = geometry->nodes->GetCoord(jPoint);

vector<su2double> edgeVector(nDim);
for (unsigned short iDim = 0; iDim < nDim; iDim++) {
edgeVector[iDim] = Coord_j[iDim] - Coord_i[iDim];
// squared distance
distance += edgeVector[iDim] * edgeVector[iDim];
}

su2double distance2 = GeometryToolbox::SquaredDistance(nDim,
geometry->nodes->GetCoord(iPoint),
geometry->nodes->GetCoord(jPoint));
// Take the interior node that is closest to the wall node.
if ((geometry->nodes->GetViscousBoundary(jPoint) == false) && (distance < dist_min)) {
Point_Normal = jPoint;
dist_min = distance;
dist_min = sqrt(distance2);
}
}

if (jPoint==0) {

//if (jPoint==0) {

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if (Point_Normal==0) {
cout << "no point found at i = " << iPoint << endl;
su2double Area = 0.0;
su2double TwoVol = 2.0* (geometry->nodes->GetVolume(iPoint) + geometry->nodes->GetPeriodicVolume(iPoint));
for (size_t iNeigh = 0; iNeigh < geometry->nodes->GetnPoint(iPoint); ++iNeigh) {
Expand All @@ -1073,21 +1078,23 @@ su2double CTurbSSTSolver::GetNearest_Neighbor(CGeometry *geometry, unsigned lon
const su2double* Normal = geometry->edges->GetNormal(iEdge);
Area = GeometryToolbox::Norm(nDim, Normal);

//dist_min += weight * Area;
dist_min += TwoVol * Area;
dist_min += TwoVol / Area;
cout << " distmin = " << dist_min << " , vol = "<<TwoVol << " , Area=" << Area<< endl;
}
cout << "distmin = " << dist_min << " , vol = "<<TwoVol << " , Area=" << Area<< endl;
dist_min = 0.0;
}

// old value of yplus
su2double yplus = GetYPlus(iMarker,iVertex);
unsigned long iPointNormal = geometry->vertex[iMarker][iVertex]->GetNormal_Neighbor();
const su2double *Coord_Normal = geometry->nodes->GetCoord(iPointNormal);
const su2double *Coord = geometry->nodes->GetCoord(iPoint);
// // old value of yplus
// su2double yplus = GetYPlus(iMarker,iVertex);
// unsigned long iPointNormal = geometry->vertex[iMarker][iVertex]->GetNormal_Neighbor();
// const su2double *Coord_Normal = geometry->nodes->GetCoord(iPointNormal);
// const su2double *Coord = geometry->nodes->GetCoord(iPoint);

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su2double WallDistMod = GeometryToolbox::Distance(nDim, Coord, Coord_Normal);
// new value of y+
yplus = dist_min * (yplus / WallDistMod);
SetYPlus(yplus,iMarker,iVertex);
// su2double WallDistMod = GeometryToolbox::Distance(nDim, Coord, Coord_Normal);
// // new value of y+
// yplus = dist_min * (yplus / WallDistMod);
// SetYPlus(yplus,iMarker,iVertex);

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return (dist_min);
}

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