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BLFlatPlate.cpp
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BLFlatPlate.cpp
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#include "BLFlatPlate.h"
#include "RectRegion.h"
#include "util.h"
using namespace std;
BLFlatPlate::BLFlatPlate(std::map<std::string, double> &doubleparams,
std::map<std::string, int> &intparams)
: BLMeshModule(doubleparams, intparams) {}
void BLFlatPlate::Initialise() {
// define other quantities
setRadiusMesh(p["hFirstLayer"], p["progress"], p["maxLayerh"]);
// airfoil
g_thetaA[0][0] = 0.5 * M_PI;
g_thetaA[4][0] = 0.5 * M_PI;
g_thetaA[5][0] = 0.;
g_thetaA[6][0] = -0.5 * M_PI;
g_thetaA[10][0] = 1.5 * M_PI;
g_thetaA[11][0] = M_PI;
g_ptsA[0][0] = 0.5 * p["Thickness"];
g_ptsA[1][0] = p["upperx1"];
g_ptsA[2][0] = p["upperx2"];
g_ptsA[3][0] = p["upperx3"];
g_ptsA[4][0] = p["ChordLen"] - 0.5 * p["Thickness"];
g_ptsA[0][1] = 0.5 * p["Thickness"];
g_ptsA[1][1] = 0.5 * p["Thickness"];
g_ptsA[2][1] = 0.5 * p["Thickness"];
g_ptsA[3][1] = 0.5 * p["Thickness"];
g_ptsA[4][1] = 0.5 * p["Thickness"];
g_ptsA[6][0] = p["ChordLen"] - 0.5 * p["Thickness"];
g_ptsA[7][0] = p["lowerx3"];
g_ptsA[8][0] = p["lowerx2"];
g_ptsA[9][0] = p["lowerx1"];
g_ptsA[10][0] = 0.5 * p["Thickness"];
g_ptsA[6][1] = -0.5 * p["Thickness"];
g_ptsA[7][1] = -0.5 * p["Thickness"];
g_ptsA[8][1] = -0.5 * p["Thickness"];
g_ptsA[9][1] = -0.5 * p["Thickness"];
g_ptsA[10][1] = -0.5 * p["Thickness"];
Cedge1011 = LineEdge(g_thetaA[10], g_thetaA[11], q["nLow0"], UNIFORM, 0., 0.);
Cedge110 = LineEdge(g_thetaA[11], g_thetaA[0], q["nUp0"], UNIFORM, 0., 0.);
Cedge45 = LineEdge(g_thetaA[4], g_thetaA[5], q["nUp5"], UNIFORM, 0., 0.);
Cedge56 = LineEdge(g_thetaA[5], g_thetaA[6], q["nLow5"], UNIFORM, 0., 0.);
Cedge01 = LineEdge(g_ptsA[0], g_ptsA[1], q["nUp1"], BOUNDARYLAYER0,
p["hFirstLayer"], 1.2, 4, 0., 0., 0);
Cedge12 = LineEdge(g_ptsA[1], g_ptsA[2], q["nUp2"], UNIFORM, 0., 0.);
Cedge23 = LineEdge(g_ptsA[2], g_ptsA[3], q["nUp3"], UNIFORM, 0., 0.);
Cedge34 = LineEdge(g_ptsA[3], g_ptsA[4], q["nUp4"], BOUNDARYLAYER1, 0., 0., 0,
p["hFirstLayer"], 1.2, 4);
Cedge67 = LineEdge(g_ptsA[6], g_ptsA[7], q["nLow4"], BOUNDARYLAYER0,
p["hFirstLayer"], 1.2, 4, 0., 0., 0);
Cedge78 = LineEdge(g_ptsA[7], g_ptsA[8], q["nLow3"], UNIFORM, 0., 0.);
Cedge89 = LineEdge(g_ptsA[8], g_ptsA[9], q["nLow2"], UNIFORM, 0., 0.);
Cedge910 = LineEdge(g_ptsA[9], g_ptsA[10], q["nLow1"], BOUNDARYLAYER1, 0., 0.,
0, p["hFirstLayer"], 1.2, 4);
}
int BLFlatPlate::MeshGenUpper(MeshRegions &combinedReg,
std::vector<void *> &BLedge) {
double hFirstLayer = p["hFirstLayer"];
double progress = p["progress"];
double maxLayerh = p["maxLayerh"];
int nLayersU2 = findNlayers(hFirstLayer, progress, p["upperBL2"], maxLayerh);
int nLayersU3 = findNlayers(hFirstLayer, progress, p["upperBL3"], maxLayerh);
/////////near body region////////////////
std::vector<RectRegion> Rects;
// boundary layer region 0
std::vector<void *> edges0;
void *edgetmp;
// edge 1-2
edges0.push_back((void *)BLedge[5]);
edges0.push_back((void *)radiusEdge);
edges0.push_back(edgetmp);
edges0.push_back(edgetmp);
Rects.push_back(RectRegion(edges0, "up2", false));
setRadiusLayers(nLayersU2);
Rects[Rects.size() - 1].MeshGen(Cedge12.m_N, nLayersU2, eBoundaryLayer1);
Rects[Rects.size() - 1].Tec360Pts("up2.dat");
// edge 2-3
edges0[0] = (void *)BLedge[6];
Rects.push_back(RectRegion(edges0, "up3", false));
setRadiusLayers(nLayersU3);
Rects[Rects.size() - 1].MeshGen(Cedge23.m_N, nLayersU3, eBoundaryLayer1);
Rects[Rects.size() - 1].Tec360Pts("up3.dat");
///////////// combine the near field mesh
for (unsigned int i = 0; i < Rects.size(); ++i) {
combinedReg.AddRegion(Rects[i]);
}
return 0;
}
int BLFlatPlate::MeshGenLower(MeshRegions &combinedReg,
std::vector<void *> &BLedge) {
double hFirstLayer = p["hFirstLayer"];
double progress = p["progress"];
double maxLayerh = p["maxLayerh"];
int nLayersL2 = findNlayers(hFirstLayer, progress, p["lowerBL2"], maxLayerh);
int nLayersL3 = findNlayers(hFirstLayer, progress, p["lowerBL3"], maxLayerh);
/////////near body region////////////////
std::vector<RectRegion> Rects;
// boundary layer region 0
std::vector<void *> edges0;
void *edgetmp;
// edge 7-8
edges0.push_back((void *)BLedge[9]);
edges0.push_back((void *)radiusEdge);
edges0.push_back(edgetmp);
edges0.push_back(edgetmp);
Rects.push_back(RectRegion(edges0, "low3", false));
setRadiusLayers(nLayersL3);
Rects[Rects.size() - 1].MeshGen(Cedge78.m_N, nLayersL3, eBoundaryLayer1);
Rects[Rects.size() - 1].Tec360Pts("low3.dat");
// edge 8-9
edges0[0] = (void *)BLedge[10];
Rects.push_back(RectRegion(edges0, "low2", false));
setRadiusLayers(nLayersL2);
Rects[Rects.size() - 1].MeshGen(Cedge89.m_N, nLayersL2, eBoundaryLayer1);
Rects[Rects.size() - 1].Tec360Pts("low2.dat");
///////////// combine the near field mesh
for (unsigned int i = 0; i < Rects.size(); ++i) {
combinedReg.AddRegion(Rects[i]);
}
return 0;
}
int BLFlatPlate::MeshGenLEdge(MeshRegions &combinedReg,
std::vector<void *> &BLedge) {
double hFirstLayer = p["hFirstLayer"];
double progress = p["progress"];
double maxLayerh = p["maxLayerh"];
int nLayersU0 = findNlayers(hFirstLayer, progress, p["upperBL0"], maxLayerh);
int nLayersU1 = findNlayers(hFirstLayer, progress, p["upperBL1"], maxLayerh);
int nLayersL0 = findNlayers(hFirstLayer, progress, p["lowerBL0"], maxLayerh);
int nLayersL1 = findNlayers(hFirstLayer, progress, p["lowerBL1"], maxLayerh);
/////////near body region////////////////
std::vector<RectRegion> Rects;
// boundary layer region 0
std::vector<void *> edges0;
void *edgetmp;
// edge 0-1
edges0.push_back((void *)BLedge[4]);
edges0.push_back((void *)radiusEdge);
edges0.push_back(edgetmp);
edges0.push_back(edgetmp);
Rects.push_back(RectRegion(edges0, "up1", false));
setRadiusLayers(nLayersU1);
Rects[Rects.size() - 1].MeshGen(Cedge01.m_N, nLayersU1, eBoundaryLayer1);
Rects[Rects.size() - 1].Tec360Pts("up1.dat");
// edge 11-0
edges0[0] = (void *)BLedge[1];
Rects.push_back(RectRegion(edges0, "up0", false));
setRadiusLayers(nLayersU0);
Rects[Rects.size() - 1].MeshGen(Cedge110.m_N, nLayersU0, eBoundaryLayer1);
Rects[Rects.size() - 1].Tec360Pts("up0.dat");
// edge 10-11
edges0[0] = (void *)BLedge[0];
Rects.push_back(RectRegion(edges0, "low0", false));
setRadiusLayers(nLayersL0);
Rects[Rects.size() - 1].MeshGen(Cedge1011.m_N, nLayersL0, eBoundaryLayer1);
Rects[Rects.size() - 1].Tec360Pts("low0.dat");
// edge 9-10
edges0[0] = (void *)BLedge[11];
Rects.push_back(RectRegion(edges0, "low1", false));
setRadiusLayers(nLayersL1);
Rects[Rects.size() - 1].MeshGen(Cedge910.m_N, nLayersL1, eBoundaryLayer1);
Rects[Rects.size() - 1].Tec360Pts("low1.dat");
///////////// combine the near field mesh
for (unsigned int i = 0; i < Rects.size(); ++i) {
combinedReg.AddRegion(Rects[i]);
}
return 0;
}
int BLFlatPlate::MeshGenTEdge(MeshRegions &combinedReg,
std::vector<void *> &BLedge) {
double hFirstLayer = p["hFirstLayer"];
double progress = p["progress"];
double maxLayerh = p["maxLayerh"];
int nLayersU4 = findNlayers(hFirstLayer, progress, p["upperBL4"], maxLayerh);
int nLayersU5 = findNlayers(hFirstLayer, progress, p["upperBL5"], maxLayerh);
int nLayersL4 = findNlayers(hFirstLayer, progress, p["lowerBL4"], maxLayerh);
int nLayersL5 = findNlayers(hFirstLayer, progress, p["lowerBL5"], maxLayerh);
/////////near body region////////////////
std::vector<RectRegion> Rects;
// boundary layer region 0
std::vector<void *> edges0;
void *edgetmp;
// edge 6-7
edges0.push_back((void *)BLedge[8]);
edges0.push_back((void *)radiusEdge);
edges0.push_back(edgetmp);
edges0.push_back(edgetmp);
Rects.push_back(RectRegion(edges0, "low4", false));
setRadiusLayers(nLayersL4);
Rects[Rects.size() - 1].MeshGen(Cedge67.m_N, nLayersL4, eBoundaryLayer1);
Rects[Rects.size() - 1].Tec360Pts("low4.dat");
// edge 5-6
edges0[0] = (void *)BLedge[3];
Rects.push_back(RectRegion(edges0, "low5", false));
setRadiusLayers(nLayersL5);
Rects[Rects.size() - 1].MeshGen(Cedge56.m_N, nLayersL5, eBoundaryLayer1);
Rects[Rects.size() - 1].Tec360Pts("low5.dat");
// edge 4-5
edges0[0] = (void *)BLedge[2];
Rects.push_back(RectRegion(edges0, "up5", false));
setRadiusLayers(nLayersU5);
Rects[Rects.size() - 1].MeshGen(Cedge45.m_N, nLayersU5, eBoundaryLayer1);
Rects[Rects.size() - 1].Tec360Pts("up5.dat");
// edge 3-4
edges0[0] = (void *)BLedge[7];
Rects.push_back(RectRegion(edges0, "up4", false));
setRadiusLayers(nLayersU4);
Rects[Rects.size() - 1].MeshGen(Cedge34.m_N, nLayersU4, eBoundaryLayer1);
Rects[Rects.size() - 1].Tec360Pts("up4.dat");
///////////// combine the near field mesh
for (unsigned int i = 0; i < Rects.size(); ++i) {
combinedReg.AddRegion(Rects[i]);
}
return 0;
}
int BLFlatPlate::MeshGen(MeshRegions &combinedReg,
std::vector<void *> &BLedge) {
MeshGenLEdge(combinedReg, BLedge);
MeshGenUpper(combinedReg, BLedge);
MeshGenTEdge(combinedReg, BLedge);
MeshGenLower(combinedReg, BLedge);
return 0;
}
int BLFlatPlate::DefineBCs(MeshRegions &combinedReg, int offset,
std::vector<void *> &BLedge) {
int curvedpts = q["curvedpts"];
combinedReg.defineBoundary(BLedge[0], Cedge1011.m_N, 0 + offset, curvedpts);
combinedReg.defineBoundary(BLedge[1], Cedge110.m_N, 0 + offset, curvedpts);
combinedReg.defineBoundary(BLedge[2], Cedge45.m_N, 1 + offset, curvedpts);
combinedReg.defineBoundary(BLedge[3], Cedge56.m_N, 1 + offset, curvedpts);
combinedReg.defineBoundary(BLedge[4], Cedge01.m_N, 2 + offset);
combinedReg.defineBoundary(BLedge[5], Cedge12.m_N, 2 + offset);
combinedReg.defineBoundary(BLedge[6], Cedge23.m_N, 2 + offset);
combinedReg.defineBoundary(BLedge[7], Cedge34.m_N, 2 + offset);
combinedReg.defineBoundary(BLedge[8], Cedge67.m_N, 3 + offset);
combinedReg.defineBoundary(BLedge[9], Cedge78.m_N, 3 + offset);
combinedReg.defineBoundary(BLedge[10], Cedge89.m_N, 3 + offset);
combinedReg.defineBoundary(BLedge[11], Cedge910.m_N, 3 + offset);
return 4 + offset;
}
// leading edge half circule
std::vector<double> BLFlatPlate::edge0(double s) {
double x0 = 0.5 * p["Thickness"], radius = 0.5 * p["Thickness"];
double t = Cedge1011.Evaluate(s)[0];
std::vector<double> res(2, 0.);
res[0] = x0 + radius * cos(t);
res[1] = radius * sin(t);
return Transform(res);
}
std::vector<double> BLFlatPlate::edge1(double s) {
double x0 = 0.5 * p["Thickness"], radius = 0.5 * p["Thickness"];
double t = Cedge110.Evaluate(s)[0];
std::vector<double> res(2, 0.);
res[0] = x0 + radius * cos(t);
res[1] = radius * sin(t);
return Transform(res);
}
// trailing edge half circule
std::vector<double> BLFlatPlate::edge2(double s) {
double x0 = p["ChordLen"] - 0.5 * p["Thickness"],
radius = 0.5 * p["Thickness"];
double t = Cedge45.Evaluate(s)[0];
std::vector<double> res(2, 0.);
res[0] = x0 + radius * cos(t);
res[1] = radius * sin(t);
return Transform(res);
}
std::vector<double> BLFlatPlate::edge3(double s) {
double x0 = p["ChordLen"] - 0.5 * p["Thickness"],
radius = 0.5 * p["Thickness"];
double t = Cedge56.Evaluate(s)[0];
std::vector<double> res(2, 0.);
res[0] = x0 + radius * cos(t);
res[1] = radius * sin(t);
return Transform(res);
}
// upper surface
std::vector<double> BLFlatPlate::edge4(double s) {
return Transform(Cedge01.Evaluate(s));
}
std::vector<double> BLFlatPlate::edge5(double s) {
return Transform(Cedge12.Evaluate(s));
}
std::vector<double> BLFlatPlate::edge6(double s) {
return Transform(Cedge23.Evaluate(s));
}
std::vector<double> BLFlatPlate::edge7(double s) {
return Transform(Cedge34.Evaluate(s));
}
// lower surface
std::vector<double> BLFlatPlate::edge8(double s) {
return Transform(Cedge67.Evaluate(s));
}
std::vector<double> BLFlatPlate::edge9(double s) {
return Transform(Cedge78.Evaluate(s));
}
std::vector<double> BLFlatPlate::edge10(double s) {
return Transform(Cedge89.Evaluate(s));
}
std::vector<double> BLFlatPlate::edge11(double s) {
return Transform(Cedge910.Evaluate(s));
}