int main()
{
TPZManVector<REAL,3> x0(3,0.),x1(3,1.);
x1[2] = 0.;
TPZManVector<int,2> nelx(2,4);
nelx[0] = 8;
TPZGenGrid gengrid(nelx,x0,x1);
gengrid.SetElementType(ETriangle);
TPZGeoMesh *gmesh = new TPZGeoMesh;
gmesh->SetDimension(2);
gengrid.Read(gmesh);
{
std::ofstream out("gmesh.vtk");
TPZVTKGeoMesh::PrintGMeshVTK(gmesh, out, true);
}
TPZExtendGridDimension extend(gmesh,0.5);
extend.SetElType(1);
TPZGeoMesh *gmesh3d = extend.ExtendedMesh(4);
{
std::ofstream out("gmesh3d.vtk");
TPZVTKGeoMesh::PrintGMeshVTK(gmesh3d, out, true);
}
{
int numel = nelx[1];
for(int el=0; el<numel; el++)
{
TPZManVector<int64_t, 3> nodes(2);
nodes[0] = 2+(nelx[0]+1)*el+el;
nodes[1] = 2+(nelx[0]+1)*(el+1)+1+el;
int matid = 2;
int64_t index;
gmesh3d->CreateGeoElement(EOned, nodes, matid, index);
}
{
std::ofstream out("gmesh3dbis.vtk");
TPZVTKGeoMesh::PrintGMeshVTK(gmesh3d, out, true);
}
}
gmesh3d->BuildConnectivity();
gRefDBase.InitializeRefPatterns();
std::set<int> matids;
matids.insert(2);
TPZRefPatternTools::RefineDirectional(gmesh3d, matids);
{
std::ofstream out("gmesh3dtris.vtk");
TPZVTKGeoMesh::PrintGMeshVTK(gmesh3d, out, true);
}
{
int64_t nel = gmesh3d->NElements();
for (int64_t el = 0; el<nel; el++) {
TPZGeoEl *gel = gmesh3d->Element(el);
if(gel->Father()) gel->SetMaterialId(3);
}
for (int64_t el = 0; el<nel; el++) {
TPZGeoEl *gel = gmesh3d->Element(el);
if(gel->Dimension() == 1)
{
for(int side=0; side < gel->NSides(); side++)
{
TPZGeoElSide gelside(gel,side);
TPZGeoElSide neighbour(gelside.Neighbour());
while (neighbour != gelside) {
if(neighbour.Element()->Father())
{
neighbour.Element()->SetMaterialId(4);
}
neighbour = neighbour.Neighbour();
}
}
}
}
}
{
std::ofstream out("gmesh3dtris.vtk");
TPZVTKGeoMesh::PrintGMeshVTK(gmesh3d, out, true);
}
return 0;
}
TPZCompMesh *ComputationalElasticityMesh2D(TPZAutoPointer<TPZGeoMesh> gmesh,int pOrder)
{
// remove some connectivities 3, 5
TPZGeoEl *gel = gmesh->Element(0);
TPZGeoElSide gelside(gel,3);
gelside.RemoveConnectivity();
gelside.SetSide(5);
gelside.RemoveConnectivity();
gelside.SetSide(4);
TPZGeoElSide neighbour = gelside.NNeighbours();
int matid = neighbour.Element()->MaterialId();
gel->SetMaterialId(matid);
neighbour.Element()->RemoveConnectivities();
int64_t index = neighbour.Element()->Index();
delete neighbour.Element();
gmesh->ElementVec()[index] = 0;
// Plane strain assumption
int planestress = 0;
// Getting mesh dimension
int dim = 2;
TPZMatElasticity2D *materialConcrete;
materialConcrete = new TPZMatElasticity2D(EMatConcrete);
TPZMatElasticity2D *materialSteel;
materialSteel = new TPZMatElasticity2D(EMatSteel);
// Setting up paremeters
materialConcrete->SetfPlaneProblem(planestress);
materialConcrete->SetElasticity(25.e6, 0.25);
materialSteel->SetElasticity(205.e6, 0.25);
//material->SetBiotAlpha(Alpha);cade o metodo?
TPZCompMesh * cmesh = new TPZCompMesh(gmesh);
cmesh->SetDefaultOrder(pOrder);
cmesh->SetDimModel(dim);
TPZFMatrix<STATE> val1(2,2,0.), val2(2,1,0.);
val2(0,0) = 0.0;
val2(1,0) = 0.0;
val1(1,1) = 1.e12;
TPZMaterial * BCond2 = materialConcrete->CreateBC(materialConcrete,EBottom,3, val1, val2);
val2(0,0) = 0.0;
val2(1,0) = 0.0;
val1.Zero();
val1(0,0) = 1.e12;
TPZMaterial * BCond3 = materialConcrete->CreateBC(materialConcrete,ELateral,3, val1, val2);
val2(0,0) = 0.0;
val2(1,0) = -1000.0;
val1.Zero();
TPZMaterial * BCond4 = materialSteel->CreateBC(materialSteel,EBeam,1, val1, val2);
cmesh->SetAllCreateFunctionsContinuous();
cmesh->InsertMaterialObject(materialConcrete);
cmesh->InsertMaterialObject(materialSteel);
cmesh->InsertMaterialObject(BCond2);
cmesh->InsertMaterialObject(BCond3);
cmesh->InsertMaterialObject(BCond4);
cmesh->AutoBuild();
return cmesh;
}
/// Transfer to the geometric mesh
void TPZFracSet::ToGeoMesh()
{
fgmesh.CleanUp();
fgmesh.NodeVec() = fNodeVec;
int64_t nfrac = fFractureVec.NElements();
for (int64_t ifr = 0; ifr < nfrac; ifr++) {
TPZManVector<int64_t,2> nodes(2);
nodes = fFractureVec[ifr].fNodes;
int64_t index;
fgmesh.CreateGeoElement(EOned, nodes, fFractureVec[ifr].fMatId, index);
}
fgmesh.BuildConnectivity();
int64_t nel = fgmesh.NElements();
for (int64_t el=0; el<nel; el++) {
TPZGeoEl *gel = fgmesh.Element(el);
if(!gel) continue;
if (gel->Neighbour(2).Element() != gel) {
std::cout << "gel index " << el << " is overlapping with " << gel->Neighbour(2).Element()->Index() << std::endl;
TPZGeoEl *neigh = gel->Neighbour(2).Element();
int matid = min(gel->MaterialId(),neigh->MaterialId());
if(gel->MaterialId() == neigh->MaterialId())
{
matid = gel->MaterialId();
}
else if(gel->MaterialId() == matid_BC || neigh->MaterialId() == matid_BC)
{
matid = matid_BC;
}
else if((gel->MaterialId() == matid_internal_frac && neigh->MaterialId() == matid_MHM_line) ||
(gel->MaterialId() == matid_MHM_line && neigh->MaterialId() == matid_internal_frac))
{
matid = matid_MHM_frac;
}
else
{
DebugStop();
}
gel->SetMaterialId(matid);
neigh->SetMaterialId(matid);
// remove the element with the lowest index
if (gel->Index() > neigh->Index())
{
// delete neigh
neigh->RemoveConnectivities();
int64_t neighindex = neigh->Index();
delete neigh;
fgmesh.ElementVec()[neighindex] = 0;
std::string matname = fFractureVec[neighindex].fPhysicalName;
fFractureVec[gel->Index()].fPhysicalName = matname + "_MHM";
}
else
{
gel->RemoveConnectivities();
std::string matname = fFractureVec[gel->Index()].fPhysicalName;
fFractureVec[neigh->Index()].fPhysicalName = matname + "_MHM";
delete gel;
fgmesh.ElementVec()[el] = 0;
}
}
}
}