void LoadBCE_fromFile(thrust::host_vector<Real3> &posRadBCE, // do not set the
// size here since
// you are using
// push back later
std::string fileName) {
std::string ddSt;
char buff[256];
int numBce = 0;
const int cols = 3;
std::cout << " reading BCE data from: " << fileName << " ...\n";
std::ifstream inMarker;
inMarker.open(fileName);
if (!inMarker) {
std::cout << " Error! Unable to open file: " << fileName << std::endl;
}
getline(inMarker, ddSt);
Real q[cols];
while (getline(inMarker, ddSt)) {
std::stringstream linestream(ddSt);
for (int i = 0; i < cols; i++) {
linestream.getline(buff, 50, ',');
q[i] = atof(buff);
}
posRadBCE.push_back(mR3(q[0], q[1], q[2]));
numBce++;
}
std::cout << " Loaded BCE data from: " << fileName << std::endl;
}
// =============================================================================
// note, the function in the current implementation creates boundary BCE (zero
// velocity)
// x=1, y=2, z =3; therefore 12 means creating markers on the top surface
// parallel to xy plane,
// similarly -12 means bottom face paralel to xy. similarly 13, -13, 23, -23
void CreateBCE_On_Box(thrust::host_vector<Real3> &posRadBCE, const Real3 &hsize,
int face, SimParams *paramsH) {
Real initSpace0 = paramsH->MULT_INITSPACE * paramsH->HSML;
int nFX = ceil(hsize.x / (initSpace0));
int nFY = ceil(hsize.y / (initSpace0));
int nFZ = ceil(hsize.z / (initSpace0));
Real initSpaceX = hsize.x / nFX;
Real initSpaceY = hsize.y / nFY;
Real initSpaceZ = hsize.z / nFZ;
int2 iBound = mI2(-nFX, nFX);
int2 jBound = mI2(-nFY, nFY);
int2 kBound = mI2(-nFZ, nFZ);
switch (face) {
case 12:
kBound = mI2(nFZ - paramsH->NUM_BOUNDARY_LAYERS + 1, nFZ);
break;
case -12:
kBound = mI2(-nFZ, -nFZ + paramsH->NUM_BOUNDARY_LAYERS - 1);
break;
case 13:
jBound = mI2(nFY - paramsH->NUM_BOUNDARY_LAYERS + 1, nFY);
break;
case -13:
jBound = mI2(-nFY, -nFY + paramsH->NUM_BOUNDARY_LAYERS - 1);
break;
case 23:
iBound = mI2(nFX - paramsH->NUM_BOUNDARY_LAYERS + 1, nFX);
break;
case -23:
iBound = mI2(-nFX, -nFX + paramsH->NUM_BOUNDARY_LAYERS - 1);
break;
default:
printf("wrong argument box bce initialization\n");
break;
}
for (int i = iBound.x; i <= iBound.y; i++) {
for (int j = jBound.x; j <= jBound.y; j++) {
for (int k = kBound.x; k <= kBound.y; k++) {
Real3 relMarkerPos =
mR3(i * initSpaceX, j * initSpaceY, k * initSpaceZ);
if ((relMarkerPos.x < paramsH->cMin.x ||
relMarkerPos.x > paramsH->cMax.x) ||
(relMarkerPos.y < paramsH->cMin.y ||
relMarkerPos.y > paramsH->cMax.y) ||
(relMarkerPos.z < paramsH->cMin.z ||
relMarkerPos.z > paramsH->cMax.z)) {
continue;
}
posRadBCE.push_back(relMarkerPos);
}
}
}
}
void CreateBCE_On_Cylinder(thrust::host_vector<Real3> &posRadBCE, Real cyl_rad,
Real cyl_h, SimParams *paramsH) {
// Arman : take care of velocity and w stuff for BCE
Real spacing = paramsH->MULT_INITSPACE * paramsH->HSML;
for (Real s = -0.5 * cyl_h; s <= 0.5 * cyl_h; s += spacing) {
Real3 centerPointLF = mR3(0, s, 0);
posRadBCE.push_back(centerPointLF);
for (Real r = spacing; r < cyl_rad - paramsH->solidSurfaceAdjust;
r += spacing) {
Real deltaTeta = spacing / r;
for (Real teta = .1 * deltaTeta;
teta < 2 * chrono::CH_C_PI - .1 * deltaTeta; teta += deltaTeta) {
Real3 BCE_Pos_local =
mR3(r * cos(teta), 0, r * sin(teta)) + centerPointLF;
posRadBCE.push_back(BCE_Pos_local);
}
}
}
}
// =============================================================================
void CreateBCE_On_Sphere(thrust::host_vector<Real3> &posRadBCE, Real rad,
SimParams *paramsH) {
Real spacing = paramsH->MULT_INITSPACE * paramsH->HSML;
for (Real r = spacing; r < rad - paramsH->solidSurfaceAdjust; r += spacing) {
Real deltaTeta = spacing / r;
Real deltaPhi = deltaTeta;
for (Real phi = .1 * deltaPhi; phi < chrono::CH_C_PI - .1 * deltaPhi;
phi += deltaPhi) {
for (Real teta = .1 * deltaTeta;
teta < 2 * chrono::CH_C_PI - .1 * deltaTeta; teta += deltaTeta) {
Real3 BCE_Pos_local = mR3(r * sin(phi) * cos(teta),
r * sin(phi) * sin(teta), r * cos(phi));
posRadBCE.push_back(BCE_Pos_local);
}
}
}
}