void Centerline::run()
{
double t1 = Cpu();
if (update_needed){
std::ifstream input;
//std::string pattern = FixRelativePath(fileName, "./");
//Msg::StatusBar(true, "Reading TEST '%s'...", pattern.c_str());
//input.open(pattern.c_str());
input.open(fileName.c_str());
if(StatFile(fileName))
Msg::Fatal("Centerline file '%s' does not exist ", fileName.c_str());
importFile(fileName);
buildKdTree();
update_needed = false;
}
if (is_cut) cutMesh();
else{
GFace *gf = current->getFaceByTag(1);
gf->addPhysicalEntity(1);
current->setPhysicalName("wall", 2, 1);//tag 1
current->createTopologyFromMesh();
NV = current->getMaxElementaryNumber(0);
NE = current->getMaxElementaryNumber(1);
NF = current->getMaxElementaryNumber(2);
NR = current->getMaxElementaryNumber(3);
}
//identify the boundary edges by looping over all discreteFaces
std::vector<GEdge*> boundEdges;
double dist_inlet = 1.e6;
GEdge *gin = NULL;
for (int i= 0; i< NF; i++){
GFace *gf = current->getFaceByTag(i+1);
std::list<GEdge*> l_edges = gf->edges();
for(std::list<GEdge*>::iterator it = l_edges.begin(); it != l_edges.end(); it++){
std::vector<GEdge*>::iterator ite = std::find(boundEdges.begin(),
boundEdges.end(), *it);
if (ite != boundEdges.end()) boundEdges.erase(ite);
else boundEdges.push_back(*it);
GVertex *gv = (*it)->getBeginVertex();
SPoint3 pt(gv->x(), gv->y(), gv->z());
double dist = pt.distance(ptin);
if(dist < dist_inlet){
dist_inlet = dist;
gin = *it;
}
}
}
if (is_closed) createClosedVolume(gin, boundEdges);
if (is_extruded) extrudeBoundaryLayerWall(gin, boundEdges);
double t2 = Cpu();
Msg::Info("Centerline operators computed in %g (s) ",t2-t1);
}
void Centerline::createClosedVolume(GEdge *gin, std::vector<GEdge*> boundEdges)
{
current->setFactory("Gmsh");
std::vector<std::vector<GFace *> > myFaceLoops;
std::vector<GFace *> myFaces;
for (unsigned int i = 0; i< boundEdges.size(); i++){
std::vector<std::vector<GEdge *> > myEdgeLoops;
std::vector<GEdge *> myEdges;
GEdge * gec;
if(is_cut) gec = current->getEdgeByTag(NE+boundEdges[i]->tag());
else gec = current->getEdgeByTag(boundEdges[i]->tag());
myEdges.push_back(gec);
myEdgeLoops.push_back(myEdges);
GFace *newFace = current->addPlanarFace(myEdgeLoops);
if (gin==boundEdges[i]) {
newFace->addPhysicalEntity(2);
current->setPhysicalName("inlet", 2, 2);//tag 2
}
else{
newFace->addPhysicalEntity(3);
current->setPhysicalName("outlets", 2, 3);//tag 3
}
myFaces.push_back(newFace);
}
Msg::Info("Centerline: action (closeVolume) has created %d in/out planar faces ",
(int)boundEdges.size());
for (int i = 0; i < NF; i++){
GFace * gf;
if(is_cut) gf = current->getFaceByTag(NF+i+1);
else gf = current->getFaceByTag(i+1);
myFaces.push_back(gf);
}
myFaceLoops.push_back(myFaces);
GRegion *reg = current->addVolume(myFaceLoops);
reg->addPhysicalEntity(reg->tag());
current->setPhysicalName("lumenVolume", 3, reg->tag());
Msg::Info("Centerline: action (closeVolume) has created volume %d ", reg->tag());
}
void Centerline::createSplitCompounds()
{
//number of discrete vertices, edges, faces and regions for the mesh
NV = current->getMaxElementaryNumber(0);
NE = current->getMaxElementaryNumber(1);
NF = current->getMaxElementaryNumber(2);
NR = current->getMaxElementaryNumber(3);
// Remesh new faces (Compound Lines and Compound Surfaces)
Msg::Info("Centerline: creating split compounds ...");
//Parametrize Compound Lines
for (int i=0; i < NE; i++){
std::vector<GEdge*>e_compound;
GEdge *pe = current->getEdgeByTag(i+1);//current edge
e_compound.push_back(pe);
int num_gec = NE+i+1;
Msg::Info("Create Compound Line (%d) = %d discrete edge",
num_gec, pe->tag());
GEdge *gec = current->addCompoundEdge(e_compound,num_gec);
if (CTX::instance()->mesh.algo2d != ALGO_2D_BAMG){
gec->meshAttributes.method = MESH_TRANSFINITE;
gec->meshAttributes.nbPointsTransfinite = nbPoints+1;
gec->meshAttributes.typeTransfinite = 0;
gec->meshAttributes.coeffTransfinite = 1.0;
}
}
// Parametrize Compound surfaces
std::list<GEdge*> U0;
for (int i=0; i < NF; i++){
std::vector<GFace*> f_compound;
GFace *pf = current->getFaceByTag(i+1);//current face
f_compound.push_back(pf);
int num_gfc = NF+i+1;
Msg::Info("Create Compound Surface (%d) = %d discrete face",
num_gfc, pf->tag());
//1=conf_spectral 4=convex_circle, 7=conf_fe
GFace *gfc = current->addCompoundFace(f_compound, 7, 0, num_gfc);
gfc->meshAttributes.recombine = recombine;
gfc->addPhysicalEntity(1);
current->setPhysicalName("wall", 2, 1);//tag 1
}
}
void Centerline::extrudeBoundaryLayerWall(GEdge* gin, std::vector<GEdge*> boundEdges)
{
Msg::Info("Centerline: extrude boundary layer wall (%d, %g%%R) ", nbElemLayer, hLayer);
//orient extrude direction outward
int dir = 0;
MElement *e = current->getFaceByTag(1)->getMeshElement(0);
SVector3 ne = e->getFace(0).normal();
SVector3 ps(e->getVertex(0)->x(), e->getVertex(0)->y(), e->getVertex(0)->z());
double xyz[3] = {ps.x(), ps.y(), ps.z()};
ANNidx index[1];
ANNdist dist[1];
kdtree->annkSearch(xyz, 1, index, dist);
ANNpointArray nodes = kdtree->thePoints();
SVector3 pc(nodes[index[0]][0], nodes[index[0]][1], nodes[index[0]][2]);
SVector3 nc = ps-pc;
if (dot(ne,nc) < 0) dir = 1;
if (dir == 1 && hLayer > 0 ) hLayer *= -1.0;
//int shift = 0;
//if(is_cut) shift = NE;
for (int i= 0; i< NF; i++){
GFace *gfc ;
if (is_cut) gfc = current->getFaceByTag(NF+i+1);
else gfc = current->getFaceByTag(i+1);
current->setFactory("Gmsh");
//view -5 to scale hLayer by radius in BoundaryLayers.cpp
std::vector<GEntity*> extrudedE = current->extrudeBoundaryLayer
(gfc, nbElemLayer, hLayer, dir, -5);
GFace *eFace = (GFace*) extrudedE[0];
eFace->addPhysicalEntity(5);
current->setPhysicalName("outerWall", 2, 5);//dim 2 tag 5
GRegion *eRegion = (GRegion*) extrudedE[1];
eRegion->addPhysicalEntity(6);
current->setPhysicalName("wallVolume", 3, 6);//dim 3 tag 6
//if double extruded layer
if (nbElemSecondLayer > 0){
std::vector<GEntity*> extrudedESec = current->extrudeBoundaryLayer
(eFace, nbElemSecondLayer, hSecondLayer, dir, -5);
GFace *eFaceSec = (GFace*) extrudedESec[0];
eFaceSec->addPhysicalEntity(9); //tag 9
current->setPhysicalName("outerSecondWall", 2, 9);//dim 2 tag 9
GRegion *eRegionSec = (GRegion*) extrudedESec[1];
eRegionSec->addPhysicalEntity(10); //tag 10
current->setPhysicalName("wallVolume", 3, 10);//dim 3 tag 10
}
//end double extrusion
for (unsigned int j = 2; j < extrudedE.size(); j++){
GFace *elFace = (GFace*) extrudedE[j];
std::list<GEdge*> l_edges = elFace->edges();
for(std::list<GEdge*>::iterator it = l_edges.begin(); it != l_edges.end(); it++){
GEdge *myEdge = *it;
if (is_cut) myEdge = current->getEdgeByTag((*it)->tag()-NE);
if( std::find(boundEdges.begin(), boundEdges.end(), myEdge) != boundEdges.end() ){
if (myEdge==gin){
elFace->addPhysicalEntity(7);
current->setPhysicalName("inletRing", 2, 7);//tag 7
}
else{
elFace->addPhysicalEntity(8);
current->setPhysicalName("outletRings", 2, 8);//tag 8
}
}
}
}
}
}
