void GeomData::transferCijData(pMesh theMesh){
dblarray Cij(3,.0);
double cij[3], norm;
int ndom = getNumDomains();
for (int i=0; i<ndom; i++){
int dom = domainList[i];
int row = 0;
EIter eit = M_edgeIter(theMesh);
while ( pEdge edge = EIter_next(eit) ){
if ( edgeBelongToDomain(edge,dom) ){
getCij(edge,dom,Cij);
norm = getCij_norm(edge,dom);
cij[0] = Cij[0];
cij[1] = Cij[1];
cij[2] = Cij[2];
setCij(i,row,cij);
setCij_norm(i,row,norm);
row++;
}
}
EIter_delete(eit);
}
}
void mexFunction(
int nlhs, mxArray *plhs[],
int nrhs, const mxArray *prhs[])
{
double *C ;
double *XYZva, *ind_tra, *XYZvb, *ind_trb, weight, defl ;
unsigned int mXYZva, nXYZva, minda, ninda ;
unsigned int mXYZvb, nXYZvb, mindb, nindb ;
if (nrhs!=6) {
mexErrMsgTxt("6 Inputs : XYZva, ind_tra, XYZvb, ind_trb, weight, defl") ;
} else if (nlhs>1) {
mexErrMsgTxt("1 Outputs : Cij_cog") ;
}
mXYZva=mxGetM(prhs[0]) ;
nXYZva=mxGetN(prhs[0]) ;
if (!mxIsNumeric(prhs[0]) || mxIsComplex(prhs[0])
|| mxIsSparse(prhs[0]) || (nXYZva!=3)) {
mexErrMsgTxt("XYZva must be a matrix : Nverta x 3") ;
}
minda=mxGetM(prhs[1]) ;
ninda=mxGetN(prhs[1]) ;
if (!mxIsNumeric(prhs[1]) || mxIsComplex(prhs[1])
|| mxIsSparse(prhs[1]) || !(ninda==3)) {
mexErrMsgTxt("ind_tra must be a matrix : Ntria x 3") ;
}
mXYZvb=mxGetM(prhs[2]) ;
nXYZvb=mxGetN(prhs[2]) ;
if (!mxIsNumeric(prhs[2]) || mxIsComplex(prhs[2])
|| mxIsSparse(prhs[2]) || (nXYZvb!=3)) {
mexErrMsgTxt("XYZvb must be a matrix : Nvertb") ;
}
mindb=mxGetM(prhs[3]) ;
nindb=mxGetN(prhs[3]) ;
if (!mxIsNumeric(prhs[3]) || mxIsComplex(prhs[3])
|| mxIsSparse(prhs[3]) || !(nindb==3)) {
mexErrMsgTxt("ind_trb must be a matrix : Ntrib x 3") ;
}
if (!mxIsNumeric(prhs[4]) || mxIsComplex(prhs[4])
|| mxIsSparse(prhs[4]) || !mxIsDouble(prhs[4])
|| mxGetN(prhs[4])*mxGetM(prhs[4])!=1 ) {
mexErrMsgTxt("weight must be a scalar") ;
}
if (!mxIsNumeric(prhs[5]) || mxIsComplex(prhs[5])
|| mxIsSparse(prhs[5]) || !mxIsDouble(prhs[5])
|| mxGetN(prhs[5])*mxGetM(prhs[5])!=1 ) {
mexErrMsgTxt("defl must be a scalar") ;
}
plhs[0]=mxCreateDoubleMatrix(minda,mindb,mxREAL) ;
C=mxGetPr(plhs[0]) ;
XYZva=mxGetPr(prhs[0]) ;
ind_tra=mxGetPr(prhs[1]) ;
XYZvb=mxGetPr(prhs[2]) ;
ind_trb=mxGetPr(prhs[3]) ;
weight = mxGetScalar(prhs[4]) ;
defl = mxGetScalar(prhs[5]) ;
Cij(C,XYZva,mXYZva,ind_tra,minda,
XYZvb,mXYZvb,ind_trb,mindb,weight,defl);
mxSetPr(plhs[0],C) ;
}
// calculates: Cij, Dij and nodal volume
int EBFV1_preprocessor_2D(pMesh theMesh, void *pData, int &ndom){
#ifdef TRACKING_PROGRAM_STEPS
cout << "TRACKING_PROGRAM_STEPS: EBFV1_preprocessor_2D\tIN\n";
#endif
GeomData *pGCData = (GeomData*)pData;
pGCData->setMeshDim(theMesh->getDim());
theMesh->modifyState(2,1); // create edge data structure
theMesh->modifyState(0,2); // create adjacency around nodes
theMesh->modifyState(1,2); // create faces around edge
//cout << "Mesh dimension: 2D\n";
int i,j,flag,dom;
double edgeCenter[3], I[3], J[3];
std::vector<double> Cij(3), Dij(3);
pEntity edge, face, node;
/// initialize coefficients
initializeCoefficients(theMesh,pGCData);
std::set<int> setOfDomain;
// for each face, calculate all data needed and attach them to the its edges
FIter fit = M_faceIter(theMesh);
while ( (face = FIter_next(fit)) ){
// look up only for leave elements (without children)
if ( !theMesh->getRefinementDepth(face) ){
dom = EN_getFlag(face);
char dom_string[256]; sprintf(dom_string,"dom_str_%d",dom);
if (!dom){
throw Exception(__LINE__,__FILE__,"dom = 0\n");
}
setOfDomain.insert(dom); // store every new domain
double faceCenter[3] = {.0, .0, .0};
getFCenter(face,faceCenter);
// loop over all three face's edges to calculate Cij and Dij
for (i=0; i<3; i++){
edge = F_edge(face, i);
// set edge belonging to domain 'dom'
EN_attachDataInt(edge,MD_lookupMeshDataId( dom_string ),1);
edgeCenter[0] = edgeCenter[1] = .0;
E_center(edge,edgeCenter); // edge centroid
V_coord(edge->get(0,0),I);
V_coord(edge->get(0,1),J);
int id0 = EN_id(edge->get(0,0));
int id1 = EN_id(edge->get(0,1));
// edge vector, used as a reference vector
double IJ[2] = {J[0]-I[0], J[1]-I[1]};
// vector IJ must point from the smaller vertex ID to the greater
if ( id0 > id1 ){
for (j=0; j<2; j++){
IJ[j] = -IJ[j];
}
}
// vector: from element center to edge middle point, used as a reference vector
double v[2] = {edgeCenter[0]-faceCenter[0],edgeCenter[1]-faceCenter[1]};
// Cij is orthogonal to v
for (j=0; j<2; j++){
Cij[j] = .0;
}
// Cij must point as if I inside the CV and J outside
double innerprod = v[1]*IJ[0] + (-v[0])*IJ[1];
if ( innerprod <= .0 ){
for (j=0; j<2; j++){
v[j] = -v[j];
}
}
// associate Cij coefficient to edge
pGCData->getCij(edge,dom,Cij);
Cij[0] += v[1];
Cij[1] += -v[0];
pGCData->setCij(edge,dom,Cij);
//cout << "Cij = " << Cij[0] << "\t" << Cij[1] << "\t" << Cij[2] << "\n";
#ifdef __ADAPTATION_DEBUG__
if (Cij[0]==.0 && Cij[1]==.0){
char msg[256]; sprintf(msg,"Edge %d-%d has Cij coefficient NULL Cij[0]=Cij[1]=0.0",id0,id1);
throw Exception(__LINE__,__FILE__,msg);
}
#endif
}
// calculate volume of control volume and associate it to elements nodes
const double porosity = .0;
double A = F_area(face)/3.0; // element area
//cout << "area = " << A << endl;
for (j=0; j<3; j++){
node = face->get(0,j);
EN_attachDataInt(node,MD_lookupMeshDataId( dom_string ),1);
double v1 = pGCData->getVolume(node,dom);
double v2 = pGCData->getWeightedVolume(node);
v1 += A;
v2 += A*porosity;
pGCData->setVolume(node,dom,v1);
pGCData->setWeightedVolume(node,v2);
}
}
}
FIter_delete(fit);
int numBE = 0;
// Calculate Dij coefficient only for boundary edges.
EIter eit = M_edgeIter(theMesh);
while ( (edge = EIter_next(eit)) ){
if ( !theMesh->getRefinementDepth(edge) ){
flag = EN_getFlag(edge);
std::set<int>::iterator iter = setOfDomain.find( flag );
if (iter == setOfDomain.end()){ // this line is for general (h**o/hetero) adaptation
numBE++;
double I[3] = {.0,.0,.0}, J[3] = {.0,.0,.0};
V_coord(edge->get(0,0),I);
V_coord(edge->get(0,1),J);
// Dij vector is orthogonal to edge (it's unknown Dij orientation)
Dij[0] = -(J[1]-I[1])/2.0;
Dij[1] = (J[0]-I[0])/2.0;
// make Dij points to outside domain. First, take face that uses edge and its flag
int domains[2] = {0,0};
for (i=0; i<E_numFaces(edge); i++){
face = E_face(edge,i);
if (!face){
throw Exception(__LINE__,__FILE__,"Null face!\n");
}
domains[i] = EN_getFlag(face);
}
// that the reference face to make Dij points to outside
face = E_face(edge, 0);
if (!face){
throw Exception(__LINE__,__FILE__,"Null face!\n");
}
// now, get face's center and edge's center
double faceCenter[3] = {.0, .0, .0}, edgeCenter[3] = {.0, .0, .0};
getFCenter(face,faceCenter); // element centroid
E_center(edge,edgeCenter); // edge centroid
// vector: from element center to edge middle point, used as a reference vector
double v[2] = {edgeCenter[0]-faceCenter[0],edgeCenter[1]-faceCenter[1]};
// Dij must point to outside element
double innerprod = Dij[0]*v[0] + Dij[1]*v[1];
if ( innerprod <= .0 ){
for (j=0; j<2; j++){
Dij[j] = -Dij[j];
}
}
// associate to edge domains flags to wjich it belongs
EN_attachDataInt(edge,MD_lookupMeshDataId("dom1"),domains[0]);
EN_attachDataInt(edge,MD_lookupMeshDataId("dom1"),domains[1]);
pGCData->setDij(edge,domains[0],domains[1],Dij);
}
}
}
EIter_delete(eit);
//cout << "preprocessor: Number of Boundary edges = " << numBE << endl;
calculateEdgeLength(theMesh,pGCData);
calculateCijNorm(theMesh,pGCData,setOfDomain);
// For 2-D domains, multiply volume by reservoir height (H) for 2D/3D simulations (physics occurs only on 2-D but reservoir volume is considered)
double vt = .0;
double vol,wvol;
std::set<int>::iterator iter = setOfDomain.begin();
for(;iter!=setOfDomain.end();iter++){
VIter vit = M_vertexIter(theMesh);
while (pEntity node = VIter_next(vit)){
// do not divide vol by number of remote copies!
vol = pGCData->getVolume(node,*iter);
vt += vol;
wvol = 0.2*vol;
pGCData->setWeightedVolume(node,wvol);
}
VIter_delete(vit);
}
pGCData->setTotalReservoirVolume(vt);
//cout << "Number of domains: " << setOfDomain.size() << ". They are: ";
// for( iter = setOfDomain.begin(); iter!=setOfDomain.end(); iter++){
// cout << *iter << " ";
// }
// cout << endl;
validete_coefficients(theMesh,setOfDomain,pGCData);
#ifdef TRACKING_PROGRAM_STEPS
cout << "TRACKING_PROGRAM_STEPS: EBFV1_preprocessor_2D\tOUT\n";
#endif
return 0;
}
void Cterrain::showAndMark(int jmin,int jmax,int imin,int imax,int curDepth)
{
//检查当前节点是否与视截体相交
//求节点p所表示区域的保守包围盒
// 上面
// p[0]--p[3]
// | |
// p[1]--p[2]
// 下面
// p[4]--p[7]
// | |
// p[5]--p[6]
float xmin=m_range.getMinX()+gridSize*jmin;
float xmax=m_range.getMinX()+gridSize*jmax;
float zmin=m_range.getMinZ()+gridSize*imin;
float zmax=m_range.getMinZ()+gridSize*imax;
float ymin=m_range.getMinY();
float ymax=m_range.getMaxY();
float c[3]={(xmax+xmin)/2,(ymin+ymax)/2,(zmin+zmax)/2};
float r=max(xmax-xmin,ymax-ymin)*0.86602540378443864676372317075294;//由于zmax-zmin与xmax-xmin相等，所以不用考虑
//看球体(c,r)是否都在planeList中某个面的反面，如果是则可剔除
bool visible=true;
for(int i=0;i<5;i++){//不考虑远平面
const Cplane&plane=this->getModel()->getMeshByIndex(0)->getCamera()->getFrustum().getPlaneByIndex(i);
//看球体(c,r)是否在plane的背面
float PND=PND_point_plane(plane, c);
if(PND<-r){//如果在背面
//断定为不可见，不用再继续检测
visible=false;
break;
}
}//得到visible
if(visible){//如果可见
bool needDiv=false;//是否需要再分
//求needDiv
if(imin+1==imax){//无须再分，因为已经无法再分
needDiv=false;
}else{//进一步判断
//求c到视点的距离
//指数值越大，LOD效应越明显
float d=square(this->getModel()->getMeshByIndex(0)->getCamera()->getEyePos().x()-c[0])
+square(minf(0.6*(this->getModel()->getMeshByIndex(0)->getCamera()->getEyePos().y()-c[1]),700))//Y乘以一个比1小的系数是为了让LOD对高度变化不敏感
+square(this->getModel()->getMeshByIndex(0)->getCamera()->getEyePos().z()-c[2]);
float e=xmax-xmin;//边长
if(d<e*reso)needDiv=true;
}//得到needDiv
if(needDiv){//继续分
int imid=(imin+imax)>>1;//除2
int jmid=(jmin+jmax)>>1;
markmat[imid][jmid]=true;
markedElementIndexList.push_back(Cij(imid,jmid));
//对四个孩子继续递归
showAndMark(jmin,jmid,imin,imid,curDepth+1);
showAndMark(jmin,jmid,imid,imax,curDepth+1);
showAndMark(jmid,jmax,imid,imax,curDepth+1);
showAndMark(jmid,jmax,imin,imid,curDepth+1);
}else{//不分
const int vIDMat_imin=(int)markmat[0].size()*imin;//vIDMat[imin];
const int vIDMat_imax=(int)markmat[0].size()*imax;//vIDMat[imax];
const int ID0=vIDMat_imin+jmin;
const int ID1=vIDMat_imax+jmin;
const int ID2=vIDMat_imax+jmax;
const int ID3=vIDMat_imin+jmax;
this->getModel()->getMeshByIndex(0)->addIDtri(ID0, ID1, ID2);
this->getModel()->getMeshByIndex(0)->addIDtri(ID0, ID2, ID3);
}
}
void Cterrain::getBlocks(int jmin,int jmax,int imin,int imax,int curDepth)
{
//检查当前节点是否与视截体相交--abc
//求节点p所表示区域的保守包围盒--abc
// 上面--abc
// p[0]--p[3]
// | |
// p[1]--p[2]
// 下面--abc
// p[4]--p[7]
// | |
// p[5]--p[6]
float xmin=m_range.getMinX()+gridSize*jmin;
float xmax=m_range.getMinX()+gridSize*jmax;
float zmin=m_range.getMinZ()+gridSize*imin;
float zmax=m_range.getMinZ()+gridSize*imax;
float ymin=m_range.getMinY();
float ymax=m_range.getMaxY();
float c[3]={(xmax+xmin)/2,(ymin+ymax)/2,(zmin+zmax)/2};
float r=max(xmax-xmin,ymax-ymin)*0.86602540378443864676372317075294;//由于zmax-zmin与xmax-xmin相等,所以不用考虑--abc
//看球体(c,r)是否都在planeList中某个面的反面,如果是则可剔除--abc
bool visible=true;
for(int i=0;i<5;i++){//不考虑远平面--abc
const Cc3dPlane&plane=this->getMesh()->getSubMeshByIndex(0)->getCamera()->getFrustum().getPlaneByIndex(i);
//看球体(c,r)是否在plane的背面--abc
float PND=directedDistanceFromPointToPlane(plane, c);
if(PND<-r){//如果在背面--abc
//断定为不可见,不用再继续检测--abc
visible=false;
break;
}
}//得到visible
if(visible){//如果可见--abc
bool needDiv=false;//是否需要再分--abc
//求needDiv
if(imin+1==imax){//无须再分,因为已经无法再分--abc
needDiv=false;
}else{//进一步判断--abc
//求c到视点的距离--abc
float d2=square(this->getMesh()->getSubMeshByIndex(0)->getCamera()->getEyePos().x()-c[0])
/// +square(this->getMesh()->getSubMeshByIndex(0)->getCamera()->getEyePos().y()-c[1])
+square(this->getMesh()->getSubMeshByIndex(0)->getCamera()->getEyePos().z()-c[2]);
float e=xmax-xmin;//边长--abc
if(d2<square(e*reso))needDiv=true;
}//得到needDiv
if(needDiv){//继续分--abc
int imid=(imin+imax)>>1;//除2
int jmid=(jmin+jmax)>>1;
markmat[imid][jmid]=true;
markedElementIndexList.push_back(Cij(imid,jmid));
//对四个孩子继续递归--abc
getBlocks(jmin,jmid,imin,imid,curDepth+1);
getBlocks(jmin,jmid,imid,imax,curDepth+1);
getBlocks(jmid,jmax,imid,imax,curDepth+1);
getBlocks(jmid,jmax,imin,imid,curDepth+1);
}else{//不分--abc
CterrainBlock block(imin,imax,jmin,jmax);
m_blockList.push_back(block);
}
}
void validete_coefficients(pMesh theMesh, std::set<int>& setOfDomain, GeomData* pGCData){
#ifdef TRACKING_PROGRAM_STEPS
cout << "TRACKING_PROGRAM_STEPS: validate pre-processor coefficient calculation\tIN\n";
#endif
cout << setprecision(8) << scientific;
pEntity edge;
std::vector<double> Cij(3), Dij(3);
std::map<int,double*> coeff_sum;
std::set<int>::iterator iter = setOfDomain.begin();
for(;iter!=setOfDomain.end(); iter++){
int dom = *iter;
// initialize all nodes for domain "dom"
double* p;
VIter vit = M_vertexIter(theMesh);
while (pEntity node = VIter_next(vit)){
p = new double[3];
p[0] = p[1] = p[2] = .0;
coeff_sum[EN_id(node)] = p;
}
VIter_delete(vit);
// calculate summation of coefficients
EIter eit = M_edgeIter(theMesh);
while ( (edge = EIter_next(eit)) ){
int I = EN_id(edge->get(0,0));
int J = EN_id(edge->get(0,1));
pGCData->getCij(edge,dom,Cij);
double sign = (I>J)?-1.0:1.0;
p = coeff_sum[I];
p[0] += sign*Cij[0];
p[1] += sign*Cij[1];
p[2] += sign*Cij[2];
if (pGCData->getDij(edge,dom,Dij)){
p[0] += Dij[0];
p[1] += Dij[1];
p[2] += Dij[2];
}
p = coeff_sum[J];
p[0] += -sign*Cij[0];
p[1] += -sign*Cij[1];
p[2] += -sign*Cij[2];
if (pGCData->getDij(edge,dom,Dij)){
p[0] += Dij[0];
p[1] += Dij[1];
p[2] += Dij[2];
}
}
EIter_delete(eit);
double summation[3] = {.0,.0,.0};
cout << "Domain: " << dom << endl;
//cout << "ID:\t" << "Summ:\n";
std::map<int,double*>::iterator miter = coeff_sum.begin();
for(;miter!=coeff_sum.end();miter++){
//int ID = miter->first;
p = miter->second;
//cout << ID << "\t" << p[0] << " " << p[1] << " " << p[2] << endl;
summation[0] += p[0];
summation[1] += p[1];
summation[2] += p[2];
dealloc_DOUBLE_vector(p);
}
cout << "\n\nSummation of all summations (Cij/Dij): " << summation[0] << " " << summation[1] << " " << summation[2] << "\n";
double vol_control = 0;
vit = M_vertexIter(theMesh);
while (pEntity node = VIter_next(vit)){
vol_control += pGCData->getVolume(node,dom);
}
VIter_delete(vit);
cout << "Total Volume : " << vol_control << "\n\n\n";
}
#ifdef TRACKING_PROGRAM_STEPS
cout << "TRACKING_PROGRAM_STEPS: validate pre-processor coefficient calculation\tOUT\n";
#endif
}
// Calculates Cij, Dij(boundary faces) and nodal volume. It also works for multi domains meshes
int EBFV1_preprocessor_3D(pMesh theMesh, void *pData, int &ndom){
PetscPrintf(PETSC_COMM_WORLD,"Starting EBFV1-3D pre-processor...");
GeomData *pGCData = (GeomData*)pData;
pGCData->setMeshDim(theMesh->getDim());
if (theMesh->getDim() != 3){
throw Exception(__LINE__,__FILE__,"Only 3-D meshes are allowed. Exiting...\n");
}
theMesh->modifyState(3,2);
theMesh->modifyState(2,3);
pEntity tetra, edge, face;
int i,j,k,K,m;
double tCenter[3], eCenter[3], v[3], *vec[2], val, *tetraFCenter[4];
double normal[3], I[3], J[3], IJ[3], proj[3];
// allocate vectors
for (i=0; i<4; i++) tetraFCenter[i] = new double[3];
for (i=0; i<2; i++) vec[i] = new double[3];
// Search over all tetrahedra flags set to define domains. Store all flags on a list and initialize Cij vector
std::set<int> setOfDomain;
std::vector<double> Cij(3,.0);
RIter rit = M_regionIter(theMesh);
while ( (tetra = RIter_next(rit)) ){
int flag = GEN_tag(tetra->getClassification());
setOfDomain.insert( flag );
for (i=0; i<6; i++){
edge = (pEntity)tetra->get(1,i);
pGCData->setCij(edge,flag,Cij);
}
}
RIter_delete(rit);
// mark faces (boundary)
bool detectBdryFaces = false;
std::set<int>::iterator iter = setOfDomain.begin();
for (; iter != setOfDomain.end(); iter++){
int countBDRYFaces = 0;
int dom = *iter;
char dom_string[256]; sprintf(dom_string,"dom_str_%d",dom);
RIter rit = M_regionIter(theMesh);
while ( (tetra = RIter_next(rit)) ){
int tetraflag = GEN_tag(tetra->getClassification());
if (tetraflag==dom){
for (i=0;i<4;i++){
face = (pFace)tetra->get(2,i);
int faceflag = GEN_tag(face->getClassification());
// if flags are different, then face in on boundary
if (faceflag!=tetraflag){
detectBdryFaces = true;
countBDRYFaces++;
// set edge belonging to domain 'dom'
EN_attachDataInt(face,MD_lookupMeshDataId( dom_string ),1);
}
}
}
}
RIter_delete(rit);
}
//throw 1;
if (!detectBdryFaces){
throw Exception(__LINE__,__FILE__,"Any boundary face (triangles) were detected. Boundary elements MUST have different flag of internal elements.");
}
/// initialize weighted volume
VIter vit = M_vertexIter(theMesh);
while (pEntity v = VIter_next(vit))
pGCData->setWeightedVolume(v,0.0);
VIter_delete(vit);
vector<pVertex> tetraVertex(4), edgeVertex(2);
double vt = .0; // total volume
// loop over elements
// for each element: 1 - calculate Cij for each edge and store them on the respective edge
// 2 - calculate element contribution to volume of control volume
// PetscPrintf(PETSC_COMM_WORLD,"Loop over tetras - start... ");MPI_Barrier(MPI_COMM_WORLD);
rit = M_regionIter(theMesh);
while ( (tetra = RIter_next(rit)) ){
// get all four tetrahedron's vertices
for (i=0; i<4; i++){
tetraVertex[i] = (pEntity)tetra->get(0,i);
}
int tetraFaces[4][3] = { {EN_id(tetraVertex[0]),EN_id(tetraVertex[1]),EN_id(tetraVertex[2])},
{EN_id(tetraVertex[0]),EN_id(tetraVertex[1]),EN_id(tetraVertex[3])},
{EN_id(tetraVertex[0]),EN_id(tetraVertex[2]),EN_id(tetraVertex[3])},
{EN_id(tetraVertex[1]),EN_id(tetraVertex[2]),EN_id(tetraVertex[3])}};
getFCenter(tetraVertex[0], tetraVertex[1], tetraVertex[2], tetraFCenter[0]);
getFCenter(tetraVertex[0], tetraVertex[1], tetraVertex[3], tetraFCenter[1]);
getFCenter(tetraVertex[0], tetraVertex[2], tetraVertex[3], tetraFCenter[2]);
getFCenter(tetraVertex[1], tetraVertex[2], tetraVertex[3], tetraFCenter[3]);
// get tetrahedron center
tCenter[0] = tCenter[1] = tCenter[2] = .0;
R_center(tetra,tCenter);
double coord1[3]; V_coord(tetraVertex[0],coord1);
double coord2[3]; V_coord(tetraVertex[1],coord2);
double coord3[3]; V_coord(tetraVertex[2],coord3);
double coord4[3]; V_coord(tetraVertex[3],coord4);
// step #1: Cij
// identify which domain the current tetrahedron belongs to
// edges on domain's partition have differents Cij, one for each domain
const int dom = GEN_tag(tetra->getClassification());
char dom_string[256]; sprintf(dom_string,"dom_str_%d",dom);
markTetraBdryFaces(theMesh,tetra,dom);
setOfDomain.insert(dom); // store every new domain
for (int pos1=0; pos1<3; pos1++){
for (int pos2=pos1+1; pos2<4; pos2++){
edge = (pEdge)theMesh->getEdge((mVertex*)tetraVertex[pos1],(mVertex*)tetraVertex[pos2]);
// set edge belonging to domain 'dom'
EN_attachDataInt(edge,MD_lookupMeshDataId( dom_string ),1);
//M_GetVertices(edge,edgeVertex);
for (i=0; i<2; i++) edgeVertex[i] = (pEntity)edge->get(0,i);
// edge's Cij is the sum of two vectors. Both are orthogonals to planes
// defined by three vectors. They are:
// v - ec->tc: edge center to tetra center
// vec[0] - ec->fcr: edge center to right face center
// vec[1] - ec->fcl: edge center to left face center
// Cij = (v)x(vec[0]) + (v)x(vec[1]), Cij points to outside of control volume
// create vector v:
for (i=0; i<3; i++) I[i] = J[i]= .0;
V_coord(edgeVertex[0],I);
V_coord(edgeVertex[1],J);
double sign = ( EN_id(edgeVertex[0]) > EN_id(edgeVertex[1]) )?-1.0:1.0;
for (i=0; i<3; i++){
IJ[i] = sign*(J[i] - I[i]);
}
// get edge center
eCenter[0] = eCenter[1] = eCenter[2] = .0;
for (i=0; i<3; i++){
eCenter[i] = .5*(I[i]+J[i]);
}
// create vector v: from edge middle point to tetrahedral centroid
for (i=0; i<3; i++){
v[i] = tCenter[i] - eCenter[i];
}
// search for tetra faces that share the same edge and get their centers. Of course, there are only two faces
// sharing the same edge. FMDB can do this job easily, but for 3D big meshes a face structure has a high memory cost.
K = 0;
// loop over tetra's faces
for (i=0; i<4; i++){
// loop over face's vertices
for (j=0; j<3; j++){
if (EN_id(edgeVertex[0]) == tetraFaces[i][j]){
for (k=0; k<3; k++){
if (EN_id(edgeVertex[1])==tetraFaces[i][k]){
for (m=0; m<3; m++) vec[K][m] = -eCenter[m] + tetraFCenter[i][m];
K++;
}
}
}
}
}
// IJ vector is a reference to Cij. IJ points from node I to node J
// where: I_id < J_id
// vec projections on edge IJ must have the same orientation as IJ vector
double n = sqrt( IJ[0]*IJ[0] + IJ[1]*IJ[1] + IJ[2]*IJ[2] ) ;
// Cij calculation n ;
for (j=0; j<3; j++){
Cij[j] = .0;
}
pGCData->getCij(edge,dom,Cij);
double normal1[3], normal2[3];
cross(v,vec[0],normal1);
cross(vec[1],v,normal2);
for (j=0; j<3; j++){
proj[j] = .0;
}
for (j=0; j<3; j++){
normal[j] = .5*(normal1[j]+normal2[j]);
}
val = dot(normal,IJ)/(n*n);
for (j=0; j<3; j++){
proj[j] = val*IJ[j];
}
double sinal = (dot(proj,IJ)<.0)?-1.:1.;
for (j=0; j<3; j++){
Cij[j] += sinal*normal[j];
}
pGCData->setCij(edge,dom,Cij);
}
}
// step #2: volume of control volume
const double porosity = .0;
const double tetraVolume = R_Volume(tetra);
const double nodalVolume = .25*tetraVolume;
vt = +tetraVolume;
for (i=0; i<4; i++){
// total nodal volume
double v1 = pGCData->getVolume(tetraVertex[i],dom);
v1 += nodalVolume;
pGCData->setVolume(tetraVertex[i],dom,v1);
double v2 = pGCData->getWeightedVolume(tetraVertex[i]);
v2 += nodalVolume*porosity;
pGCData->setWeightedVolume(tetraVertex[i],v2);
}
}
RIter_delete(rit); // END TETRAHEDRALS LOOP
pGCData->setTotalReservoirVolume(vt);
//PetscPrintf(PETSC_COMM_WORLD,"Finished\n");MPI_Barrier(MPI_COMM_WORLD);
// deallocate vectors
for (i=0; i<4; i++) delete[] tetraFCenter[i];
for (i=0; i<2; i++) delete[] vec[i];
/*
* Dij vector calculation. A loop over all boundary (external/internal) faces is made. Depending on how FMDB is used, faces on all
* tetrahedrals may be created and they must be filtered. If a face does not belong to boundary it will assume the tetrahedral domain
* flag. This value is greater than 3000 and is used to filter them from those provided by mesh file.
*/
int count = 0;
dblarray Dij(3,.0);
//PetscPrintf(PETSC_COMM_WORLD,"Loop over boundary faces - start... ");///MPI_Barrier(MPI_COMM_WORLD);
if ( M_numFaces(theMesh) != 0 ){
FIter fit = M_faceIter(theMesh);
while ( (face = FIter_next(fit)) ){
int flag = GEN_tag(face->getClassification());
iter = setOfDomain.find(flag);
// get only faces built over surfaces defined by user in geometric model
// it only work if surface flags defined by user are different from those set to tetrahedrals
if ( iter==setOfDomain.end() ){
computeDij(theMesh,face,pGCData);
}
}
FIter_delete(fit);
}
//PetscPrintf(PETSC_COMM_WORLD,"Finished\n");MPI_Barrier(MPI_COMM_WORLD);
calculateEdgeLength(theMesh,pGCData);
calculateCijNorm(theMesh,pGCData,setOfDomain);
identifyBoundaryElements(theMesh,pGCData,setOfDomain);
i = 0;
ndom = (int)setOfDomain.size();
int *domlist = new int[ndom];
for(iter = setOfDomain.begin(); iter!=setOfDomain.end(); iter++){
domlist[i++] = *iter;
}
PetscPrintf(PETSC_COMM_WORLD," finished.\n");
cout << "-------------------------------------------------------------------------------------------------------------------------\n\n";
return 0;
}
