int main(int argc, char *argv[]) {
/*--- Local variables ---*/
unsigned short iDV, nZone = 1, iFFDBox, iPlane, nPlane, iVar;
double *ObjectiveFunc, *ObjectiveFunc_New, *Gradient, delta_eps, MinPlane, MaxPlane, MinXCoord, MaxXCoord,
**Plane_P0, **Plane_Normal, Volume, Volume_New, Volume_Grad;
vector<double> *Xcoord_Airfoil, *Ycoord_Airfoil, *Zcoord_Airfoil, *Variable_Airfoil;
char grid_file[MAX_STRING_SIZE], buffer_char[50], out_file[MAX_STRING_SIZE];
char *cstr;
ofstream Gradient_file, ObjFunc_file;
int rank = MASTER_NODE;
int size = SINGLE_NODE;
/*--- MPI initialization ---*/
#ifdef HAVE_MPI
MPI_Init(&argc,&argv);
MPI_Comm_rank(MPI_COMM_WORLD,&rank);
MPI_Comm_size(MPI_COMM_WORLD,&size);
#endif
/*--- Pointer to different structures that will be used throughout the entire code ---*/
CFreeFormDefBox** FFDBox = NULL;
CConfig *config = NULL;
CGeometry *boundary = NULL;
CSurfaceMovement *surface_mov = NULL;
/*--- Definition of the class for the definition of the problem ---*/
if (argc == 2) config = new CConfig(argv[1], SU2_GEO, ZONE_0, nZone, 0, VERB_HIGH);
else {
strcpy (grid_file, "default.cfg");
config = new CConfig(grid_file, SU2_GEO, ZONE_0, nZone, 0, VERB_HIGH);
}
/*--- Change the name of the input-output files for the parallel computation ---*/
#ifdef HAVE_MPI
config->SetFileNameDomain(rank+1);
#endif
/*--- Definition of the class for the boundary of the geometry ---*/
boundary = new CBoundaryGeometry(config, config->GetMesh_FileName(), config->GetMesh_FileFormat());
/*--- Set the number of sections, and allocate the memory ---*/
if (boundary->GetnDim() == 2) nPlane = 1;
else nPlane = config->GetnSections();
Xcoord_Airfoil = new vector<double>[nPlane];
Ycoord_Airfoil = new vector<double>[nPlane];
Zcoord_Airfoil = new vector<double>[nPlane];
Variable_Airfoil = new vector<double>[nPlane];
Plane_P0 = new double*[nPlane];
Plane_Normal = new double*[nPlane];
for(iPlane = 0; iPlane < nPlane; iPlane++ ) {
Plane_P0[iPlane] = new double[3];
Plane_Normal[iPlane] = new double[3];
}
ObjectiveFunc = new double[nPlane*20];
ObjectiveFunc_New = new double[nPlane*20];
Gradient = new double[nPlane*20];
for (iVar = 0; iVar < nPlane*20; iVar++) {
ObjectiveFunc[iVar] = 0.0;
ObjectiveFunc_New[iVar] = 0.0;
Gradient[iVar] = 0.0;
}
/*--- Evaluation of the objective function ---*/
if (rank == MASTER_NODE)
cout << endl <<"----------------------- Preprocessing computations ----------------------" << endl;
/*--- Boundary geometry preprocessing ---*/
if (rank == MASTER_NODE) cout << "Identify vertices." <<endl;
boundary->SetVertex();
/*--- Compute elements surrounding points & points surrounding points ---*/
if (rank == MASTER_NODE) cout << "Setting local point and element connectivity." << endl;
boundary->SetPoint_Connectivity();
boundary->SetEdges();
/*--- Create the control volume structures ---*/
if (rank == MASTER_NODE) cout << "Set boundary control volume structure." << endl;
boundary->SetBoundControlVolume(config, ALLOCATE);
/*--- Compute the surface curvature ---*/
if (rank == MASTER_NODE) cout << "Compute the surface curvature." << endl;
boundary->ComputeSurf_Curvature(config);
if (rank == MASTER_NODE) cout << "Writing a Tecplot file of the surface curvature." << endl;
if (size > 1) sprintf (buffer_char, "_%d.plt", rank+1); else sprintf (buffer_char, ".plt");
strcpy (out_file, "Surface_Curvature"); strcat(out_file, buffer_char); boundary->SetBoundTecPlot(out_file, true, config);
/*--- Create plane structure ---*/
if (rank == MASTER_NODE) cout << "Set plane structure." << endl;
if (boundary->GetnDim() == 2) {
MinXCoord = -1E6; MaxXCoord = 1E6;
Plane_Normal[0][0] = 0.0; Plane_P0[0][0] = 0.0;
Plane_Normal[0][1] = 1.0; Plane_P0[0][1] = 0.0;
Plane_Normal[0][2] = 0.0; Plane_P0[0][2] = 0.0;
}
else if (boundary->GetnDim() == 3) {
MinPlane = config->GetSection_Location(0); MaxPlane = config->GetSection_Location(1);
MinXCoord = -1E6; MaxXCoord = 1E6;
for (iPlane = 0; iPlane < nPlane; iPlane++) {
Plane_Normal[iPlane][0] = 0.0; Plane_P0[iPlane][0] = 0.0;
Plane_Normal[iPlane][1] = 0.0; Plane_P0[iPlane][1] = 0.0;
Plane_Normal[iPlane][2] = 0.0; Plane_P0[iPlane][2] = 0.0;
Plane_Normal[iPlane][config->GetAxis_Orientation()] = 1.0;
Plane_P0[iPlane][config->GetAxis_Orientation()] = MinPlane + iPlane*(MaxPlane - MinPlane)/double(nPlane-1);
}
}
/*--- Create airfoil section structure ---*/
if (rank == MASTER_NODE) cout << "Set airfoil section structure." << endl;
for (iPlane = 0; iPlane < nPlane; iPlane++) {
boundary->ComputeAirfoil_Section(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, MinXCoord, MaxXCoord, NULL,
Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], Variable_Airfoil[iPlane], true, config);
}
/*--- Compute the internal volume of a 3D body. ---*/
if (rank == MASTER_NODE) cout << "Computing the internal volume." << endl;
if (boundary->GetnDim() == 3) Volume = boundary->Compute_Volume(config, true);
if (rank == MASTER_NODE)
cout << endl <<"-------------------- Objective function evaluation ----------------------" << endl;
if (rank == MASTER_NODE) {
/*--- Evaluate objective function ---*/
for (iPlane = 0; iPlane < nPlane; iPlane++) {
if (Xcoord_Airfoil[iPlane].size() != 0) {
cout << "\nSection " << (iPlane+1) << ". Plane (yCoord): " << Plane_P0[iPlane][1] << "." << endl;
ObjectiveFunc[iPlane] = boundary->Compute_MaxThickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, config, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], true);
ObjectiveFunc[1*nPlane+iPlane] = boundary->Compute_Thickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, 0.250000, config, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], true);
ObjectiveFunc[2*nPlane+iPlane] = boundary->Compute_Thickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, 0.333333, config, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], true);
ObjectiveFunc[3*nPlane+iPlane] = boundary->Compute_Thickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, 0.500000, config, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], true);
ObjectiveFunc[4*nPlane+iPlane] = boundary->Compute_Thickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, 0.666666, config, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], true);
ObjectiveFunc[5*nPlane+iPlane] = boundary->Compute_Thickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, 0.750000, config, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], true);
ObjectiveFunc[6*nPlane+iPlane] = boundary->Compute_Area(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, config, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], true);
ObjectiveFunc[7*nPlane+iPlane] = boundary->Compute_AoA(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], true);
ObjectiveFunc[8*nPlane+iPlane] = boundary->Compute_Chord(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], true);
cout << "Maximum thickness: " << ObjectiveFunc[iPlane] << "." << endl;
cout << "1/4 chord thickness: " << ObjectiveFunc[1*nPlane+iPlane] << "." << endl;
cout << "1/3 chord thickness: " << ObjectiveFunc[2*nPlane+iPlane] << "." << endl;
cout << "1/2 chord thickness: " << ObjectiveFunc[3*nPlane+iPlane] << "." << endl;
cout << "2/3 chord thickness: " << ObjectiveFunc[4*nPlane+iPlane] << "." << endl;
cout << "3/4 chord thickness: " << ObjectiveFunc[5*nPlane+iPlane] << "." << endl;
cout << "Area: " << ObjectiveFunc[6*nPlane+iPlane] << "." << endl;
cout << "Angle of attack: " << ObjectiveFunc[7*nPlane+iPlane] << "." << endl;
cout << "Chord: " << ObjectiveFunc[8*nPlane+iPlane] << "." << endl;
}
}
/*--- The value for Volume to the area of the first section
in case this is a 2D calculation ---*/
if (boundary->GetnDim() == 2) Volume = ObjectiveFunc[6];
cout << "\nInternal volume: " << Volume << "." << endl;
/*--- Write the objective function in a external file ---*/
cstr = new char [config->GetObjFunc_Value_FileName().size()+1];
strcpy (cstr, config->GetObjFunc_Value_FileName().c_str());
ObjFunc_file.open(cstr, ios::out);
ObjFunc_file << "TITLE = \"SU2_GEO Simulation\"" << endl;
if (boundary->GetnDim() == 2) {
ObjFunc_file << "VARIABLES = \"MAX_THICKNESS\",\"1/4_THICKNESS\",\"1/3_THICKNESS\",\"1/2_THICKNESS\",\"2/3_THICKNESS\",\"3/4_THICKNESS\",\"AREA\",\"AOA\",\"CHORD\",\"VOLUME\"" << endl;
}
else if (boundary->GetnDim() == 3) {
ObjFunc_file << "VARIABLES = ";
for (iPlane = 0; iPlane < nPlane; iPlane++) ObjFunc_file << "\"MAX_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) ObjFunc_file << "\"1/4_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) ObjFunc_file << "\"1/3_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) ObjFunc_file << "\"1/2_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) ObjFunc_file << "\"2/3_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) ObjFunc_file << "\"3/4_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) ObjFunc_file << "\"AREA_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) ObjFunc_file << "\"AOA_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) ObjFunc_file << "\"CHORD_SEC"<< (iPlane+1) << "\", ";
ObjFunc_file << "\"VOLUME\"" << endl;
}
ObjFunc_file << "ZONE T= \"Geometrical variables (value)\"" << endl;
for (iPlane = 0; iPlane < nPlane*9; iPlane++)
ObjFunc_file << ObjectiveFunc[iPlane] <<", ";
ObjFunc_file << Volume << endl;
ObjFunc_file.close();
}
if (config->GetGeometryMode() == GRADIENT) {
/*--- Definition of the Class for surface deformation ---*/
surface_mov = new CSurfaceMovement();
/*--- Definition of the FFD deformation class ---*/
FFDBox = new CFreeFormDefBox*[MAX_NUMBER_FFD];
if (rank == MASTER_NODE)
cout << endl <<"------------- Gradient evaluation using finite differences --------------" << endl;
/*--- Write the gradient in a external file ---*/
if (rank == MASTER_NODE) {
cstr = new char [config->GetObjFunc_Grad_FileName().size()+1];
strcpy (cstr, config->GetObjFunc_Grad_FileName().c_str());
Gradient_file.open(cstr, ios::out);
}
for (iDV = 0; iDV < config->GetnDV(); iDV++) {
/*--- Free Form deformation based ---*/
if ((config->GetDesign_Variable(iDV) == FFD_CONTROL_POINT_2D) ||
(config->GetDesign_Variable(iDV) == FFD_CAMBER_2D) ||
(config->GetDesign_Variable(iDV) == FFD_THICKNESS_2D) ||
(config->GetDesign_Variable(iDV) == FFD_CONTROL_POINT) ||
(config->GetDesign_Variable(iDV) == FFD_DIHEDRAL_ANGLE) ||
(config->GetDesign_Variable(iDV) == FFD_TWIST_ANGLE) ||
(config->GetDesign_Variable(iDV) == FFD_ROTATION) ||
(config->GetDesign_Variable(iDV) == FFD_CAMBER) ||
(config->GetDesign_Variable(iDV) == FFD_THICKNESS) ) {
/*--- Read the FFD information in the first iteration ---*/
if (iDV == 0) {
if (rank == MASTER_NODE) cout << "Read the FFD information from mesh file." << endl;
/*--- Read the FFD information from the grid file ---*/
surface_mov->ReadFFDInfo(boundary, config, FFDBox, config->GetMesh_FileName(), true);
/*--- If the FFDBox was not defined in the input file ---*/
if (!surface_mov->GetFFDBoxDefinition() && (rank == MASTER_NODE)) {
cout << "The input grid doesn't have the entire FFD information!" << endl;
cout << "Press any key to exit..." << endl;
cin.get();
}
if (rank == MASTER_NODE)
cout <<"-------------------------------------------------------------------------" << endl;
}
if (rank == MASTER_NODE) {
cout << endl << "Design variable number "<< iDV <<"." << endl;
cout << "Perform 3D deformation of the surface." << endl;
}
/*--- Apply the control point change ---*/
for (iFFDBox = 0; iFFDBox < surface_mov->GetnFFDBox(); iFFDBox++) {
switch ( config->GetDesign_Variable(iDV) ) {
case FFD_CONTROL_POINT_2D : surface_mov->SetFFDCPChange_2D(boundary, config, FFDBox[iFFDBox], iDV, true); break;
case FFD_CAMBER_2D : surface_mov->SetFFDCamber_2D(boundary, config, FFDBox[iFFDBox], iDV, true); break;
case FFD_THICKNESS_2D : surface_mov->SetFFDThickness_2D(boundary, config, FFDBox[iFFDBox], iDV, true); break;
case FFD_CONTROL_POINT : surface_mov->SetFFDCPChange(boundary, config, FFDBox[iFFDBox], iDV, true); break;
case FFD_DIHEDRAL_ANGLE : surface_mov->SetFFDDihedralAngle(boundary, config, FFDBox[iFFDBox], iDV, true); break;
case FFD_TWIST_ANGLE : surface_mov->SetFFDTwistAngle(boundary, config, FFDBox[iFFDBox], iDV, true); break;
case FFD_ROTATION : surface_mov->SetFFDRotation(boundary, config, FFDBox[iFFDBox], iDV, true); break;
case FFD_CAMBER : surface_mov->SetFFDCamber(boundary, config, FFDBox[iFFDBox], iDV, true); break;
case FFD_THICKNESS : surface_mov->SetFFDThickness(boundary, config, FFDBox[iFFDBox], iDV, true); break;
case FFD_CONTROL_SURFACE : surface_mov->SetFFDControl_Surface(boundary, config, FFDBox[iFFDBox], iDV, true); break;
}
/*--- Recompute cartesian coordinates using the new control points position ---*/
surface_mov->SetCartesianCoord(boundary, config, FFDBox[iFFDBox], iFFDBox);
}
}
/*--- Hicks Henne design variable ---*/
else if (config->GetDesign_Variable(iDV) == HICKS_HENNE) {
if (rank == MASTER_NODE) {
cout << endl << "Design variable number "<< iDV <<"." << endl;
cout << "Perform 2D deformation of the surface." << endl;
}
surface_mov->SetHicksHenne(boundary, config, iDV, true);
}
/*--- Displacement design variable ---*/
else if (config->GetDesign_Variable(iDV) == DISPLACEMENT) {
if (rank == MASTER_NODE) {
cout << endl << "Design variable number "<< iDV <<"." << endl;
cout << "Perform 2D deformation of the surface." << endl;
}
surface_mov->SetDisplacement(boundary, config, iDV, true);
}
/*--- Rotation design variable ---*/
else if (config->GetDesign_Variable(iDV) == ROTATION) {
if (rank == MASTER_NODE) {
cout << endl << "Design variable number "<< iDV <<"." << endl;
cout << "Perform 2D deformation of the surface." << endl;
}
surface_mov->SetRotation(boundary, config, iDV, true);
}
/*--- CosBump design variable ---*/
else if (config->GetDesign_Variable(iDV) == COSINE_BUMP) {
if (rank == MASTER_NODE) {
cout << endl << "Design variable number "<< iDV <<"." << endl;
cout << "Perform 2D deformation of the surface." << endl;
}
surface_mov->SetCosBump(boundary, config, iDV, true);
}
/*--- Fourier design variable ---*/
else if (config->GetDesign_Variable(iDV) == FOURIER) {
if (rank == MASTER_NODE) {
cout << endl << "Design variable number "<< iDV <<"." << endl;
cout << "Perform 2D deformation of the surface." << endl;
}
surface_mov->SetFourier(boundary, config, iDV, true);
}
/*--- NACA_4Digits design variable ---*/
else if (config->GetDesign_Variable(iDV) == NACA_4DIGITS) {
if (rank == MASTER_NODE) {
cout << endl << "Design variable number "<< iDV <<"." << endl;
cout << "Perform 2D deformation of the surface." << endl;
}
surface_mov->SetNACA_4Digits(boundary, config);
}
/*--- Parabolic design variable ---*/
else if (config->GetDesign_Variable(iDV) == PARABOLIC) {
if (rank == MASTER_NODE) {
cout << endl << "Design variable number "<< iDV <<"." << endl;
cout << "Perform 2D deformation of the surface." << endl;
}
surface_mov->SetParabolic(boundary, config);
}
/*--- Spherical design variable ---*/
else if (config->GetDesign_Variable(iDV) == SPHERICAL) {
if (rank == MASTER_NODE) {
cout << endl << "Design variable number "<< iDV <<"." << endl;
cout << "Perform 3D deformation of the surface." << endl;
}
surface_mov->SetSpherical(boundary, config, iDV, true);
}
/*--- Design variable not implement ---*/
else { cout << "Design Variable not implement yet" << endl; }
/*--- Create airfoil structure ---*/
for (iPlane = 0; iPlane < nPlane; iPlane++) {
boundary->ComputeAirfoil_Section(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, MinXCoord, MaxXCoord, NULL,
Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], Variable_Airfoil[iPlane], false, config);
}
/*--- Compute the gradient for the volume. In 2D this is just
the gradient of the area. ---*/
if (boundary->GetnDim() == 3) Volume_New = boundary->Compute_Volume(config, false);
/*--- Compute gradient ---*/
if (rank == MASTER_NODE) {
delta_eps = config->GetDV_Value(iDV);
if (delta_eps == 0) {
cout << "The finite difference steps is zero!!" << endl;
cout << "Press any key to exit..." << endl;
cin.get();
#ifdef HAVE_MPI
MPI_Abort(MPI_COMM_WORLD,1);
MPI_Finalize();
#else
exit(1);
#endif
}
for (iPlane = 0; iPlane < nPlane; iPlane++) {
if (Xcoord_Airfoil[iPlane].size() != 0) {
cout << "\nSection " << (iPlane+1) << ". Plane (yCoord): " << Plane_P0[iPlane][1] << "." << endl;
ObjectiveFunc_New[iPlane] = boundary->Compute_MaxThickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, config, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], false);
Gradient[iPlane] = (ObjectiveFunc_New[iPlane] - ObjectiveFunc[iPlane]) / delta_eps;
ObjectiveFunc_New[1*nPlane + iPlane] = boundary->Compute_Thickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, 0.250000, config, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], false);
Gradient[1*nPlane + iPlane] = (ObjectiveFunc_New[1*nPlane + iPlane] - ObjectiveFunc[1*nPlane + iPlane]) / delta_eps;
ObjectiveFunc_New[2*nPlane + iPlane] = boundary->Compute_Thickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, 0.333333, config, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], false);
Gradient[2*nPlane + iPlane] = (ObjectiveFunc_New[2*nPlane + iPlane] - ObjectiveFunc[2*nPlane + iPlane]) / delta_eps;
ObjectiveFunc_New[3*nPlane + iPlane] = boundary->Compute_Thickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, 0.500000, config, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], false);
Gradient[3*nPlane + iPlane] = (ObjectiveFunc_New[3*nPlane + iPlane] - ObjectiveFunc[3*nPlane + iPlane]) / delta_eps;
ObjectiveFunc_New[4*nPlane + iPlane] = boundary->Compute_Thickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, 0.666666, config, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], false);
Gradient[4*nPlane + iPlane] = (ObjectiveFunc_New[4*nPlane + iPlane] - ObjectiveFunc[4*nPlane + iPlane]) / delta_eps;
ObjectiveFunc_New[5*nPlane + iPlane] = boundary->Compute_Thickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, 0.750000, config, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], false);
Gradient[5*nPlane + iPlane] = (ObjectiveFunc_New[5*nPlane + iPlane] - ObjectiveFunc[5*nPlane + iPlane]) / delta_eps;
ObjectiveFunc_New[6*nPlane + iPlane] = boundary->Compute_Area(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, config, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], false);
Gradient[6*nPlane + iPlane] = (ObjectiveFunc_New[6*nPlane + iPlane] - ObjectiveFunc[6*nPlane + iPlane]) / delta_eps;
ObjectiveFunc_New[7*nPlane + iPlane] = boundary->Compute_AoA(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], false);
Gradient[7*nPlane + iPlane] = (ObjectiveFunc_New[7*nPlane + iPlane] - ObjectiveFunc[7*nPlane + iPlane]) / delta_eps;
ObjectiveFunc_New[8*nPlane + iPlane] = boundary->Compute_Chord(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], false);
Gradient[8*nPlane + iPlane] = (ObjectiveFunc_New[8*nPlane + iPlane] - ObjectiveFunc[8*nPlane + iPlane]) / delta_eps;
cout << "Maximum thickness gradient: " << Gradient[iPlane] << "." << endl;
cout << "1/4 chord thickness gradient: " << Gradient[1*nPlane + iPlane] << "." << endl;
cout << "1/3 chord thickness gradient: " << Gradient[2*nPlane + iPlane] << "." << endl;
cout << "1/2 chord thickness gradient: " << Gradient[3*nPlane + iPlane] << "." << endl;
cout << "2/3 chord thickness gradient: " << Gradient[4*nPlane + iPlane] << "." << endl;
cout << "3/4 chord thickness gradient: " << Gradient[5*nPlane + iPlane] << "." << endl;
cout << "Area gradient: " << Gradient[6*nPlane + iPlane] << "." << endl;
cout << "Angle of attack gradient: " << Gradient[7*nPlane + iPlane] << "." << endl;
cout << "Chord gradient: " << Gradient[8*nPlane + iPlane] << "." << endl;
}
}
/*--- Compute the gradient for the volume. In 2D this is just
the gradient of the area. ---*/
if (boundary->GetnDim() == 2) Volume_New = ObjectiveFunc_New[6];
Volume_Grad = (Volume_New - Volume)/ delta_eps;
cout << "\nInternal volume gradient: " << Volume_Grad << "." << endl;
if (iDV == 0) {
Gradient_file << "TITLE = \"SU2_GEO Simulation\"" << endl;
if (boundary->GetnDim() == 2) {
Gradient_file << "VARIABLES = \"DESIGN_VARIABLE\",\"MAX_THICKNESS\",\"1/4_THICKNESS\",\"1/3_THICKNESS\",\"1/2_THICKNESS\",\"2/3_THICKNESS\",\"3/4_THICKNESS\",\"AREA\",\"AOA\",\"CHORD\",\"VOLUME\"" << endl;
}
else if (boundary->GetnDim() == 3) {
Gradient_file << "VARIABLES = \"DESIGN_VARIABLE\",";
for (iPlane = 0; iPlane < nPlane; iPlane++) Gradient_file << "\"MAX_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) Gradient_file << "\"1/4_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) Gradient_file << "\"1/3_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) Gradient_file << "\"1/2_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) Gradient_file << "\"2/3_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) Gradient_file << "\"3/4_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) Gradient_file << "\"AREA_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) Gradient_file << "\"AOA_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) Gradient_file << "\"CHORD_SEC"<< (iPlane+1) << "\", ";
Gradient_file << "\"VOLUME\"" << endl;
}
Gradient_file << "ZONE T= \"Geometrical variables (gradient)\"" << endl;
}
Gradient_file << (iDV) <<", ";
for (iPlane = 0; iPlane < nPlane*9; iPlane++)
Gradient_file << Gradient[iPlane] <<", ";
Gradient_file << Volume_Grad << endl;
if (iDV != (config->GetnDV()-1)) cout <<"-------------------------------------------------------------------------" << endl;
}
}
if (rank == MASTER_NODE)
Gradient_file.close();
}
/*--- Finalize MPI parallelization ---*/
#ifdef HAVE_MPI
MPI_Finalize();
#endif
/*--- Deallocate memory ---*/
delete [] Xcoord_Airfoil;
delete [] Ycoord_Airfoil;
delete [] Zcoord_Airfoil;
delete [] ObjectiveFunc;
delete [] ObjectiveFunc_New;
delete [] Gradient;
for(iPlane = 0; iPlane < nPlane; iPlane++ ) {
delete Plane_P0[iPlane];
delete Plane_Normal[iPlane];
}
delete [] Plane_P0;
delete [] Plane_Normal;
/*--- End solver ---*/
if (rank == MASTER_NODE)
cout << endl <<"------------------------- Exit Success (SU2_GEO) ------------------------" << endl << endl;
return EXIT_SUCCESS;
}
int main(int argc, char *argv[]) {
/*--- Local variables ---*/
unsigned short iDV, nZone = 1, iFFDBox, iPlane, nPlane = 5, iVar;
double ObjectiveFunc[100], ObjectiveFunc_New[100], Gradient[100], delta_eps, MinPlane, MaxPlane, Plane_P0[5][3], Plane_Normal[5][3];
vector<double> Xcoord_Airfoil[5], Ycoord_Airfoil[5], Zcoord_Airfoil[5];
char *cstr;
ofstream Gradient_file, ObjFunc_file;
int rank = MASTER_NODE;
/*--- Initialization ---*/
for (iVar = 0; iVar < 100; iVar++) {
ObjectiveFunc[iVar] = 0.0;
ObjectiveFunc_New[iVar] = 0.0;
Gradient[iVar] = 0.0;
}
#ifndef NO_MPI
/*--- MPI initialization, and buffer setting ---*/
MPI::Init(argc,argv);
rank = MPI::COMM_WORLD.Get_rank();
#endif
/*--- Pointer to different structures that will be used throughout the entire code ---*/
CFreeFormDefBox** FFDBox = NULL;
CConfig *config = NULL;
CGeometry *boundary = NULL;
CSurfaceMovement *surface_mov = NULL;
/*--- Definition of the Class for the definition of the problem ---*/
if (argc == 2) config = new CConfig(argv[1], SU2_GDC, ZONE_0, nZone, VERB_HIGH);
else {
char grid_file[200];
strcpy (grid_file, "default.cfg");
config = new CConfig(grid_file, SU2_GDC, ZONE_0, nZone, VERB_HIGH);
}
#ifndef NO_MPI
/*--- Change the name of the input-output files for the
parallel computation ---*/
config->SetFileNameDomain(rank+1);
#endif
/*--- Definition of the Class for the boundary of the geometry ---*/
boundary = new CBoundaryGeometry(config, config->GetMesh_FileName(), config->GetMesh_FileFormat());
if (rank == MASTER_NODE)
cout << endl <<"----------------------- Preprocessing computations ----------------------" << endl;
/*--- Boundary geometry preprocessing ---*/
if (rank == MASTER_NODE) cout << "Identify vertices." <<endl;
boundary->SetVertex();
/*--- Create the control volume structures ---*/
if (rank == MASTER_NODE) cout << "Set boundary control volume structure." << endl;
boundary->SetBoundControlVolume(config, ALLOCATE);
/*--- Create plane structure ---*/
if (rank == MASTER_NODE) cout << "Set plane structure." << endl;
if (boundary->GetnDim() == 2) {
nPlane = 1;
Plane_Normal[0][0] = 0.0; Plane_P0[0][0] = 0.0;
Plane_Normal[0][1] = 1.0; Plane_P0[0][1] = 0.0;
Plane_Normal[0][2] = 0.0; Plane_P0[0][2] = 0.0;
}
else if (boundary->GetnDim() == 3) {
nPlane = 5; MinPlane = config->GetSection_Limit(0); MaxPlane = config->GetSection_Limit(1);
for (iPlane = 0; iPlane < nPlane; iPlane++) {
Plane_Normal[iPlane][0] = 0.0; Plane_P0[iPlane][0] = 0.0;
Plane_Normal[iPlane][1] = 1.0; Plane_P0[iPlane][1] = MinPlane + iPlane*(MaxPlane - MinPlane)/double(nPlane-1);
Plane_Normal[iPlane][2] = 0.0; Plane_P0[iPlane][2] = 0.0;
}
}
/*--- Create airfoil section structure ---*/
if (rank == MASTER_NODE) cout << "Set airfoil section structure." << endl;
for (iPlane = 0; iPlane < nPlane; iPlane++) {
boundary->ComputeAirfoil_Section(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, config,
Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], true);
}
if (rank == MASTER_NODE)
cout << endl <<"-------------------- Objective function evaluation ----------------------" << endl;
if (rank == MASTER_NODE) {
/*--- Evaluate objective function ---*/
for (iPlane = 0; iPlane < nPlane; iPlane++) {
if (Xcoord_Airfoil[iPlane].size() != 0) {
cout << "\nSection " << (iPlane+1) << ". Plane (yCoord): " << Plane_P0[iPlane][1] << "." << endl;
ObjectiveFunc[iPlane] = boundary->Compute_MaxThickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], true);
ObjectiveFunc[1*nPlane+iPlane] = boundary->Compute_Thickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, 0.250000, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], true);
ObjectiveFunc[2*nPlane+iPlane] = boundary->Compute_Thickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, 0.333333, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], true);
ObjectiveFunc[3*nPlane+iPlane] = boundary->Compute_Thickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, 0.500000, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], true);
ObjectiveFunc[4*nPlane+iPlane] = boundary->Compute_Thickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, 0.666666, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], true);
ObjectiveFunc[5*nPlane+iPlane] = boundary->Compute_Thickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, 0.750000, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], true);
ObjectiveFunc[6*nPlane+iPlane] = boundary->Compute_Area(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], true);
ObjectiveFunc[7*nPlane+iPlane] = boundary->Compute_AoA(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], true);
ObjectiveFunc[8*nPlane+iPlane] = boundary->Compute_Chord(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], true);
cout << "Maximum thickness: " << ObjectiveFunc[iPlane] << "." << endl;
cout << "1/4 chord thickness: " << ObjectiveFunc[1*nPlane+iPlane] << "." << endl;
cout << "1/3 chord thickness: " << ObjectiveFunc[2*nPlane+iPlane] << "." << endl;
cout << "1/2 chord thickness: " << ObjectiveFunc[3*nPlane+iPlane] << "." << endl;
cout << "2/3 chord thickness: " << ObjectiveFunc[4*nPlane+iPlane] << "." << endl;
cout << "3/4 chord thickness: " << ObjectiveFunc[5*nPlane+iPlane] << "." << endl;
cout << "Area: " << ObjectiveFunc[6*nPlane+iPlane] << "." << endl;
cout << "Angle of attack: " << ObjectiveFunc[7*nPlane+iPlane] << "." << endl;
cout << "Chord: " << ObjectiveFunc[8*nPlane+iPlane] << "." << endl;
}
}
/*--- Write the objective function in a external file ---*/
cstr = new char [config->GetObjFunc_Value_FileName().size()+1];
strcpy (cstr, config->GetObjFunc_Value_FileName().c_str());
ObjFunc_file.open(cstr, ios::out);
ObjFunc_file << "TITLE = \"SU2_GDC Simulation\"" << endl;
if (boundary->GetnDim() == 2) {
ObjFunc_file << "VARIABLES = \"MAX_THICKNESS\",\"1/4_THICKNESS\",\"1/3_THICKNESS\",\"1/2_THICKNESS\",\"2/3_THICKNESS\",\"3/4_THICKNESS\",\"AREA\",\"AOA\",\"CHORD\"" << endl;
}
else if (boundary->GetnDim() == 3) {
ObjFunc_file << "VARIABLES = ";
for (iPlane = 0; iPlane < nPlane; iPlane++) ObjFunc_file << "\"MAX_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) ObjFunc_file << "\"1/4_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) ObjFunc_file << "\"1/3_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) ObjFunc_file << "\"1/2_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) ObjFunc_file << "\"2/3_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) ObjFunc_file << "\"3/4_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) ObjFunc_file << "\"AREA_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) ObjFunc_file << "\"AOA_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane-1; iPlane++) ObjFunc_file << "\"CHORD_SEC"<< (iPlane+1) << "\", ";
ObjFunc_file << "\"CHORD_SEC"<< (nPlane) << "\"" << endl;
}
ObjFunc_file << "ZONE T= \"Geometrical variables (value)\"" << endl;
for (iPlane = 0; iPlane < nPlane*9-1; iPlane++)
ObjFunc_file << ObjectiveFunc[iPlane] <<", ";
ObjFunc_file << ObjectiveFunc[nPlane*9-1] << endl;
ObjFunc_file.close();
}
if (config->GetGeometryMode() == GRADIENT) {
/*--- Definition of the Class for surface deformation ---*/
surface_mov = new CSurfaceMovement();
/*--- Definition of the FFD deformation class ---*/
FFDBox = new CFreeFormDefBox*[MAX_NUMBER_FFD];
if (rank == MASTER_NODE)
cout << endl <<"------------- Gradient evaluation using finite differences --------------" << endl;
/*--- Write the gradient in a external file ---*/
if (rank == MASTER_NODE) {
cstr = new char [config->GetObjFunc_Grad_FileName().size()+1];
strcpy (cstr, config->GetObjFunc_Grad_FileName().c_str());
Gradient_file.open(cstr, ios::out);
}
for (iDV = 0; iDV < config->GetnDV(); iDV++) {
/*--- Bump deformation for 2D problems ---*/
if (boundary->GetnDim() == 2) {
if (rank == MASTER_NODE)
cout << "Perform 2D deformation of the surface." << endl;
switch ( config->GetDesign_Variable(iDV) ) {
case HICKS_HENNE : surface_mov->SetHicksHenne(boundary, config, iDV, true); break;
case DISPLACEMENT : surface_mov->SetDisplacement(boundary, config, iDV, true); break;
case ROTATION : surface_mov->SetRotation(boundary, config, iDV, true); break;
case NACA_4DIGITS : surface_mov->SetNACA_4Digits(boundary, config); break;
case PARABOLIC : surface_mov->SetParabolic(boundary, config); break;
}
}
/*--- Free Form deformation for 3D problems ---*/
else if (boundary->GetnDim() == 3) {
/*--- Read the FFD information in the first iteration ---*/
if (iDV == 0) {
if (rank == MASTER_NODE) cout << "Read the FFD information from mesh file." << endl;
/*--- Read the FFD information from the grid file ---*/
surface_mov->ReadFFDInfo(boundary, config, FFDBox, config->GetMesh_FileName(), true);
/*--- If the FFDBox was not defined in the input file ---*/
if (!surface_mov->GetFFDBoxDefinition() && (rank == MASTER_NODE)) {
cout << "The input grid doesn't have the entire FFD information!" << endl;
cout << "Press any key to exit..." << endl;
cin.get();
}
if (rank == MASTER_NODE)
cout <<"-------------------------------------------------------------------------" << endl;
}
if (rank == MASTER_NODE) {
cout << endl << "Design variable number "<< iDV <<"." << endl;
cout << "Perform 3D deformation of the surface." << endl;
}
/*--- Apply the control point change ---*/
for (iFFDBox = 0; iFFDBox < surface_mov->GetnFFDBox(); iFFDBox++) {
switch ( config->GetDesign_Variable(iDV) ) {
case FFD_CONTROL_POINT : surface_mov->SetFFDCPChange(boundary, config, FFDBox[iFFDBox], iFFDBox, iDV, true); break;
case FFD_DIHEDRAL_ANGLE : surface_mov->SetFFDDihedralAngle(boundary, config, FFDBox[iFFDBox], iFFDBox, iDV, true); break;
case FFD_TWIST_ANGLE : surface_mov->SetFFDTwistAngle(boundary, config, FFDBox[iFFDBox], iFFDBox, iDV, true); break;
case FFD_ROTATION : surface_mov->SetFFDRotation(boundary, config, FFDBox[iFFDBox], iFFDBox, iDV, true); break;
case FFD_CAMBER : surface_mov->SetFFDCamber(boundary, config, FFDBox[iFFDBox], iFFDBox, iDV, true); break;
case FFD_THICKNESS : surface_mov->SetFFDThickness(boundary, config, FFDBox[iFFDBox], iFFDBox, iDV, true); break;
case FFD_VOLUME : surface_mov->SetFFDVolume(boundary, config, FFDBox[iFFDBox], iFFDBox, iDV, true); break;
}
/*--- Recompute cartesian coordinates using the new control points position ---*/
surface_mov->SetCartesianCoord(boundary, config, FFDBox[iFFDBox], iFFDBox);
}
}
/*--- Create airfoil structure ---*/
for (iPlane = 0; iPlane < nPlane; iPlane++) {
boundary->ComputeAirfoil_Section(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, config, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], false);
}
/*--- Compute gradient ---*/
if (rank == MASTER_NODE) {
delta_eps = config->GetDV_Value(iDV);
if (delta_eps == 0) {
cout << "The finite difference steps is zero!!" << endl;
cout << "Press any key to exit..." << endl;
cin.get();
#ifdef NO_MPI
exit(1);
#else
MPI::COMM_WORLD.Abort(1);
MPI::Finalize();
#endif
}
for (iPlane = 0; iPlane < nPlane; iPlane++) {
if (Xcoord_Airfoil[iPlane].size() != 0) {
cout << "\nSection " << (iPlane+1) << ". Plane (yCoord): " << Plane_P0[iPlane][1] << "." << endl;
ObjectiveFunc_New[iPlane] = boundary->Compute_MaxThickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], false);
Gradient[iPlane] = (ObjectiveFunc_New[iPlane] - ObjectiveFunc[iPlane]) / delta_eps;
ObjectiveFunc_New[1*nPlane + iPlane] = boundary->Compute_Thickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, 0.250000, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], false);
Gradient[1*nPlane + iPlane] = (ObjectiveFunc_New[1*nPlane + iPlane] - ObjectiveFunc[1*nPlane + iPlane]) / delta_eps;
ObjectiveFunc_New[2*nPlane + iPlane] = boundary->Compute_Thickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, 0.333333, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], false);
Gradient[2*nPlane + iPlane] = (ObjectiveFunc_New[2*nPlane + iPlane] - ObjectiveFunc[2*nPlane + iPlane]) / delta_eps;
ObjectiveFunc_New[3*nPlane + iPlane] = boundary->Compute_Thickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, 0.500000, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], false);
Gradient[3*nPlane + iPlane] = (ObjectiveFunc_New[3*nPlane + iPlane] - ObjectiveFunc[3*nPlane + iPlane]) / delta_eps;
ObjectiveFunc_New[4*nPlane + iPlane] = boundary->Compute_Thickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, 0.666666, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], false);
Gradient[4*nPlane + iPlane] = (ObjectiveFunc_New[4*nPlane + iPlane] - ObjectiveFunc[4*nPlane + iPlane]) / delta_eps;
ObjectiveFunc_New[5*nPlane + iPlane] = boundary->Compute_Thickness(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, 0.750000, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], false);
Gradient[5*nPlane + iPlane] = (ObjectiveFunc_New[5*nPlane + iPlane] - ObjectiveFunc[5*nPlane + iPlane]) / delta_eps;
ObjectiveFunc_New[6*nPlane + iPlane] = boundary->Compute_Area(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], false);
Gradient[6*nPlane + iPlane] = (ObjectiveFunc_New[6*nPlane + iPlane] - ObjectiveFunc[6*nPlane + iPlane]) / delta_eps;
ObjectiveFunc_New[7*nPlane + iPlane] = boundary->Compute_AoA(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], false);
Gradient[7*nPlane + iPlane] = (ObjectiveFunc_New[7*nPlane + iPlane] - ObjectiveFunc[7*nPlane + iPlane]) / delta_eps;
ObjectiveFunc_New[8*nPlane + iPlane] = boundary->Compute_Chord(Plane_P0[iPlane], Plane_Normal[iPlane], iPlane, Xcoord_Airfoil[iPlane], Ycoord_Airfoil[iPlane], Zcoord_Airfoil[iPlane], false);
Gradient[8*nPlane + iPlane] = (ObjectiveFunc_New[8*nPlane + iPlane] - ObjectiveFunc[8*nPlane + iPlane]) / delta_eps;
cout << "Maximum thickness gradient: " << Gradient[iPlane] << "." << endl;
cout << "1/4 chord thickness gradient: " << Gradient[1*nPlane + iPlane] << "." << endl;
cout << "1/3 chord thickness gradient: " << Gradient[2*nPlane + iPlane] << "." << endl;
cout << "1/2 chord thickness gradient: " << Gradient[3*nPlane + iPlane] << "." << endl;
cout << "2/3 chord thickness gradient: " << Gradient[4*nPlane + iPlane] << "." << endl;
cout << "3/4 chord thickness gradient: " << Gradient[5*nPlane + iPlane] << "." << endl;
cout << "Area gradient: " << Gradient[6*nPlane + iPlane] << "." << endl;
cout << "Angle of attack gradient: " << Gradient[7*nPlane + iPlane] << "." << endl;
cout << "Chord gradient: " << Gradient[8*nPlane + iPlane] << "." << endl;
}
}
if (iDV == 0) {
Gradient_file << "TITLE = \"SU2_GDC Simulation\"" << endl;
if (boundary->GetnDim() == 2) {
Gradient_file << "VARIABLES = \"DESIGN_VARIABLE\",\"MAX_THICKNESS\",\"1/4_THICKNESS\",\"1/3_THICKNESS\",\"1/2_THICKNESS\",\"2/3_THICKNESS\",\"3/4_THICKNESS\",\"AREA\",\"AOA\",\"CHORD\"" << endl;
}
else if (boundary->GetnDim() == 3) {
Gradient_file << "VARIABLES = \"DESIGN_VARIABLE\",";
for (iPlane = 0; iPlane < nPlane; iPlane++) Gradient_file << "\"MAX_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) Gradient_file << "\"1/4_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) Gradient_file << "\"1/3_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) Gradient_file << "\"1/2_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) Gradient_file << "\"2/3_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) Gradient_file << "\"3/4_THICKNESS_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) Gradient_file << "\"AREA_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane; iPlane++) Gradient_file << "\"AOA_SEC"<< (iPlane+1) << "\", ";
for (iPlane = 0; iPlane < nPlane-1; iPlane++) Gradient_file << "\"CHORD_SEC"<< (iPlane+1) << "\", ";
Gradient_file << "\"CHORD_SEC"<< (nPlane) << "\"" << endl;
}
Gradient_file << "ZONE T= \"Geometrical variables (gradient)\"" << endl;
}
Gradient_file << (iDV) <<", ";
for (iPlane = 0; iPlane < nPlane*9-1; iPlane++)
Gradient_file << Gradient[iPlane] <<", ";
Gradient_file << Gradient[nPlane*9-1] << endl;
if (iDV != (config->GetnDV()-1)) cout <<"-------------------------------------------------------------------------" << endl;
}
}
if (rank == MASTER_NODE)
Gradient_file.close();
}
#ifndef NO_MPI
/*--- Finalize MPI parallelization ---*/
MPI::Finalize();
#endif
/*--- End solver ---*/
if (rank == MASTER_NODE)
cout << endl <<"------------------------- Exit Success (SU2_GDC) ------------------------" << endl << endl;
return EXIT_SUCCESS;
}