/**
* @brief transform in low order Raviar Tomas
*/
void TPZCreateApproximationSpace::UndoMakeRaviartTomas(TPZCompMesh &cmesh)
{
int numcell = cmesh.NElements();
int el;
for (el = 0; el<numcell ; el++) {
TPZCompEl *cel = cmesh.ElementVec()[el];
TPZInterpolatedElement *intel = dynamic_cast<TPZInterpolatedElement *>(cel);
if (!intel) {
continue;
}
TPZGeoEl *gel = intel->Reference();
int geldim = gel->Dimension();
int is;
int nsides = gel->NSides();
for (is=0; is<nsides; is++) {
if (gel->SideDimension(is) != geldim-1) {
continue;
}
int nsconnects = intel->NSideConnects(is);
// only interested in HDiv elements
if (nsconnects != 1) {
continue;
}
// int cindex = intel->SideConnectIndex(0, is);
TPZConnect &c = intel->Connect(intel->SideConnectLocId(0,is));
if (c.HasDependency()) {
c.RemoveDepend();
}
}
}
cmesh.ExpandSolution();
cmesh.CleanUpUnconnectedNodes();
}
/**
* @brief transform in low order Raviar Tomas
*/
void TPZCreateApproximationSpace::MakeRaviartTomas(TPZCompMesh &cmesh)
{
int numcell = cmesh.NElements();
int el;
for (el = 0; el<numcell ; el++) {
TPZCompEl *cel = cmesh.ElementVec()[el];
TPZInterpolationSpace *intel = dynamic_cast<TPZInterpolationSpace *>(cel);
if (!intel) {
continue;
}
intel->SetPreferredOrder(1);
}
cmesh.ExpandSolution();
for (el = 0; el<numcell ; el++) {
TPZCompEl *cel = cmesh.ElementVec()[el];
TPZInterpolatedElement *intel = dynamic_cast<TPZInterpolatedElement *>(cel);
if (!intel) {
continue;
}
TPZGeoEl *gel = intel->Reference();
int geldim = gel->Dimension();
int is;
int nsides = gel->NSides();
for (is=0; is<nsides; is++) {
if (gel->SideDimension(is) != geldim-1) {
continue;
}
int nsconnects = intel->NSideConnects(is);
// only interested in HDiv elements
if (nsconnects != 1) {
continue;
}
int cindex = intel->SideConnectIndex(0, is);
TPZConnect &c = intel->Connect(intel->SideConnectLocId(0,is));
if (c.HasDependency()) {
continue;
}
int nshape = 1;
int nstate = 1;
int order = 0;
int cindex2 = cmesh.AllocateNewConnect(nshape, nstate, order);
// TPZConnect &c2 = cmesh.ConnectVec()[cindex];
TPZFNMatrix<2> depmat(2,1,1.);
c.AddDependency(cindex, cindex2, depmat, 0, 0, 2, 1);
}
}
cmesh.ExpandSolution();
}
void TPZNonDarcyAnalysis::InitializeFirstSolution(TPZFMatrix<STATE> &Pressure, REAL &pini)
{
Pressure.Redim(fSolution.Rows(),fSolution.Cols());
TPZBlock<STATE> &block = this->Mesh()->Block();
int nel = this->Mesh()->NElements();
for (int iel = 0 ; iel < nel ; iel++){
TPZCompEl *cel = this->Mesh()->ElementVec()[iel];
if (!cel) continue;
TPZInterpolatedElement *intel = dynamic_cast <TPZInterpolatedElement *> (cel);
if (!intel) DebugStop();
if (intel->Reference()->Dimension() != 2) continue; //soh elem 2d.
int ncc = intel->NCornerConnects();
//if (ncc != 4) DebugStop(); // I expect only quad element, althought it would work for triang
for (int icc = 0 ; icc < ncc ; icc++){
TPZConnect *con = &intel->Connect(icc);
int conseq = con->SequenceNumber();
int pos = block.Position(conseq);
Pressure(pos,0) = pini;
}
}
}
