Example #1
0
void RefinamentoSingular(TPZAutoPointer<TPZGeoMesh> gmesh,int nref)
{
    int64_t nnodes = gmesh->NNodes();
    int64_t in;
    for (in=0; in<nnodes; in++) {
        TPZGeoNode *gno = &gmesh->NodeVec()[in];
        if (abs(gno->Coord(0))< 1.e-6 && abs(gno->Coord(1)) < 1.e-6) {
            break;
        }
    }
    if (in == nnodes) {
        DebugStop();
    }
    TPZGeoElSide gelside;
    int64_t nelem = gmesh->NElements();
    for (int64_t el = 0; el<nelem; el++) {
        TPZGeoEl *gel = gmesh->ElementVec()[el];
        int ncorner = gel->NCornerNodes();
        for (int ic=0; ic<ncorner; ic++) {
            int64_t nodeindex = gel->NodeIndex(ic);
            if (nodeindex == in) {
                gelside = TPZGeoElSide(gel, ic);
                break;
            }
        }
        if (gelside.Element()) {
            break;
        }
    }
    if (!gelside.Element()) {
        DebugStop();
    }
    for (int iref = 0; iref <nref; iref++) {
        TPZStack<TPZGeoElSide> gelstack;
        gelstack.Push(gelside);
        TPZGeoElSide neighbour = gelside.Neighbour();
        while (neighbour != gelside) {
            gelstack.Push(neighbour);
            neighbour = neighbour.Neighbour();
        }
        int64_t nstack = gelstack.size();
        for (int64_t ist=0; ist < nstack; ist++) {
            if (!gelstack[ist].Element()->HasSubElement()) {
                TPZVec<TPZGeoEl *> subel;
                gelstack[ist].Element()->Divide(subel);
            }
        }
    }
}
Example #2
0
void AdjustBoundary(TPZGeoMesh *gmesh)
{
    int64_t nel = gmesh->NElements();
    for (int64_t el = 0; el<nel; el++) {
        TPZGeoEl *gel = gmesh->Element(el);
        if (gel->Dimension() == 3 || gel->HasSubElement()) {
            continue;
        }
        TPZGeoElSide gelside(gel,gel->NSides()-1);
        TPZGeoElSide neighbour = gelside.Neighbour();
        bool should_refine = false;
        int nsub = -1;
        int numneigh = 0;
        while (gelside != neighbour) {
            nsub = neighbour.Element()->NSideSubElements(neighbour.Side());
            if (neighbour.Element()->HasSubElement() && nsub > 1) {
                should_refine = true;
            }
            numneigh++;
            neighbour = neighbour.Neighbour();
        }
        if (should_refine == true) {
            TPZAutoPointer<TPZRefPattern> match = TPZRefPatternTools::PerfectMatchRefPattern(gel);
            if (!match) {
                DebugStop();
            }
            gel->SetRefPattern(match);
            TPZStack<TPZGeoEl *> subels;
            gel->Divide(subels);
        }
    }
}
Example #3
0
void TPZRefPrism::NewMidSideNode(TPZGeoEl *gel,int side,int &index) {

    MidSideNodeIndex(gel,side,index);
    if(side == 15 || side > 18) {
        return;//o nó geométrico não pode ser criado
    }
    if(index < 0) {
        TPZGeoElSide gelside = gel->Neighbour(side);
        if(gelside.Element()) {
            while(gelside.Element() != gel) {
                gelside.Element()->MidSideNodeIndex(gelside.Side(),index);
                if(index!=-1) return;
                gelside = gelside.Neighbour();
            }
        }
        TPZVec<REAL> par(3,0.);
        TPZVec<REAL> coord(3,0.);
        if(side < TPZShapePrism::NCornerNodes) {
            index = gel->NodeIndex(side);
            return;
        }
        //aqui side = 6 a 20
        side-=TPZShapePrism::NCornerNodes;//0,1,..,13
        par[0] = MidCoord[side][0];
        par[1] = MidCoord[side][1];
        par[2] = MidCoord[side][2];
        gel->X(par,coord);
        index = gel->Mesh()->NodeVec().AllocateNewElement();
        gel->Mesh()->NodeVec()[index].Initialize(coord,*gel->Mesh());
    }
}
Example #4
0
	void TPZRefQuad::NewMidSideNode(TPZGeoEl *gel,int side,int &index) {
		
		MidSideNodeIndex(gel,side,index);
		if(index < 0) {
			TPZGeoElSide gelside = gel->Neighbour(side);
			if(gelside.Element()) {
				while(gelside.Element() != gel) {
					gelside.Element()->MidSideNodeIndex(gelside.Side(),index);
					if(index!=-1) return;
					gelside = gelside.Neighbour();
				}
			}
			TPZVec<REAL> par(3,0.);
			TPZVec<REAL> coord(3,0.);
			if(side < TPZShapeQuad::NCornerNodes) {
				index = gel->NodeIndex(side); 
				return;
			}
			//aqui side = 8 a 26
			side-=TPZShapeQuad::NCornerNodes;//0,1,..,18
			par[0] = MidCoord[side][0];
			par[1] = MidCoord[side][1];
			gel->X(par,coord);
			index = gel->Mesh()->NodeVec().AllocateNewElement();
			gel->Mesh()->NodeVec()[index].Initialize(coord,*gel->Mesh());
		}
	}
Example #5
0
int64_t  TPZGeoCloneMesh::CloneElement(TPZGeoEl *orgel){
    int64_t i,j;
//    int nnod = orgel->NNodes();
    //  cout << "Original element nodes = " << nnod << endl;
    if(HasElement(orgel)) return Index(fMapElements[orgel]);
    
    
    // Create a cloned element
    TPZGeoEl *el = InitializeClone(orgel);
    int64_t elindex = Index(el);
    
    //  cout << "\nClonned element\n";
    //  el->Print(cout);
    
    //fill the map
    fMapElements[orgel] = el;
    if(elindex >= fReferenceElement.NElements()) {
        fReferenceElement.Resize(elindex+1,0);
    }	
    fReferenceElement[elindex] = orgel;
    //fill the neighbours
    for (i=0;i<orgel->NSides();i++){
        el->SetSideDefined(i);
        TPZGeoElSide neig = orgel->Neighbour(i);
        if(!neig.Element()) continue;
        // insert all neighbours which have been cloned as neighbours
        // THIS IS OVERKILL it would be suficient to insert a single neighbour
        while(neig.Element() != orgel) {
            // verify if neig.Element has been cloned
            if (HasElement((neig.Element()))){
                TPZGeoElSide sid(el,i);
                //          sid.SetConnectivity(sid);
                //SetNeighbour(i,neig);
                TPZGeoElSide localneig(fMapElements[neig.Element()],neig.Side());
                if(!sid.NeighbourExists(localneig)) {
                    sid.SetConnectivity(localneig);
                }
            }
            neig = neig.Neighbour();
        }
    }
    //loop over the sons
    if (orgel->HasSubElement()){
        int subel = orgel->NSubElements();
        for (j=0;j<subel;j++){
            TPZGeoEl *gelson = orgel->SubElement(j);
            CloneElement(gelson);
            fMapElements[gelson]->SetFather(el);
            fMapElements[gelson]->SetFather(el->Index());
            el->SetSubElement(j,fMapElements[gelson]);
        }
    }
    
    //  el->Print(cout);
    return elindex;
}
Example #6
0
// IT IS BAD !!!! IMPROVE IT !!!
void TPZGeoCloneMesh::AddBoundaryConditionElements(TPZGeoEl *eltoadd) {
    int nsides = eltoadd->NSides();
    int is;
    for(is=0; is<nsides; is++) {
        TPZGeoElSide elside(eltoadd,is);
        TPZGeoElSide neighbour = elside.Neighbour();
#ifdef PZDEBUG
        if (!neighbour.Element()) DebugStop();
#endif
        while(neighbour != elside) {
            if(neighbour.Element()->Dimension() < eltoadd->Dimension() &&
               neighbour.Side() == neighbour.Element()->NSides() - 1
               // && neighbour.Element()->Reference()
			   ) {
			   
                TPZGeoEl *gel = neighbour.Element();
                if (HasElement(gel)) {
                    neighbour = neighbour.Neighbour();
                    continue;
                }
                TPZGeoEl *father = gel->Father();
                while(father) {
                    gel = father;
                    father = gel->Father();
                }
                CloneElement(gel);
                // verificar se neighbour.Element ja esta no map
          //      TPZGeoEl *localpatch = fMapElements[neighbour.Element()];
				TPZGeoEl *localpatch = fMapElements[gel];							// Jorge 2013/03/28
                fPatchElements.insert(localpatch);
            }
            neighbour = neighbour.Neighbour();
#ifdef PZDEBUG
            if (!neighbour.Exists()) {
                DebugStop();
            }
#endif
        }
    }
}
Example #7
0
void InsertBoundaryElements(TPZGeoMesh *gmesh)
{
    REAL xplane = 1435;
    REAL yplane = 1161;
    REAL zplane = -1530;
    REAL ztop = 122.8;
    REAL minx = 0;
    REAL minz = 0;
    REAL maxz = 0;
    
    int64_t nel = gmesh->NElements();
    for (int64_t el=0; el<nel; el++) {
        TPZGeoEl *gel = gmesh->Element(el);
        if (gel->HasSubElement()) {
            continue;
        }
        int nsides = gel->NSides();
        for (int is=0; is<nsides; is++) {
            int bccreated = 999;
            TPZGeoElSide gelside(gel,is);
            if (gel->SideDimension(is) == 1) {
                TPZManVector<REAL,3> xcenter(3);
                gelside.CenterX(xcenter);
                if (xcenter[2] > maxz) {
                    maxz = xcenter[2];
                }
                if (fabs(xcenter[0]) < 1 && fabs(xcenter[2]-ztop) < 1) {
                    bccreated = bcloadtop;
                    TPZGeoElSide neighbour = gelside.Neighbour();
                    while (neighbour != gelside) {
                        if (neighbour.Element()->MaterialId() == bcloadtop) {
                            bccreated = 999;
                        }
                        neighbour = neighbour.Neighbour();
                        
                    }
                    if (bccreated == bcloadtop)
                    {
                        std::cout << "Added boundary bcloadtop xcenter = " << xcenter << std::endl;
                    }
                }
            }
            if (gel->SideDimension(is) == 2)
            {
                TPZManVector<REAL,3> xcenter(3);
                gelside.CenterX(xcenter);
                if (xcenter[0] < minx) {
                    minx = xcenter[0];
                }
                if (xcenter[2] < minz) {
                    minz = xcenter[2];
                }
                if (fabs(xcenter[2] - zplane) < 1.) {
                    bccreated = bcbottom;
                }
                if (fabs(fabs(xcenter[0])-xplane) < 1) {
                    bccreated = bcsidex;
                }
                if (fabs(fabs(xcenter[1])-yplane) < 1) {
                    bccreated = bcsidey;
                }
                if (fabs(xcenter[2]-ztop) <1) {
                    bccreated = bctopsurface;
                }
            }
            if(bccreated != 999)
            {
                if (gelside.Dimension() == 2 && gelside.Neighbour() != gelside) {
                    DebugStop();;
                }
                gel->CreateBCGeoEl(is, bccreated);
            }
        }
    }
    std::cout << "minx = " << minx << " minz = " << minz << " maxz " << maxz << std::endl;
}
Example #8
0
/// Merge lines which are parallel
void TPZFracSet::MergeParallelLines()
{
    int64_t nel = fgmesh.NElements();
    REAL maxcos = 0.;
    for (int64_t el = 0; el<nel; el++) {
        TPZGeoEl *gel = fgmesh.Element(el);
        if(!gel) continue;
        TPZManVector<REAL,3> dir1(3);
        Direction(gel, dir1);
        int nnodes = gel->NCornerNodes();
        for(int is = 0; is<nnodes; is++)
        {
            TPZGeoElSide gelside(gel,is);
            TPZGeoElSide neighbour = gelside.Neighbour();
            while (neighbour != gelside) {
                TPZManVector<REAL,3> dir2(3);
                Direction(neighbour.Element(), dir2);
                if (neighbour.Side() != is) {
                    for (int i=0; i<3; i++) {
                        dir2[i] *= -1.;
                    }
                }
                REAL cosangle = 0.;
                for (int i=0; i<3; i++) {
                    cosangle += dir1[i]*dir2[i];
                }
                if (cosangle> maxcos) {
                    maxcos = cosangle;
                }
                if (cosangle > 0.99) {
                    std::cout << "Fractures " << gel->Index() << " and " << neighbour.Element()->Index() << " are parallel " << cosangle << "\n";
                    std::cout << "Index " << gel->NodeIndex(0) << " ";
                    gel->Node(0).Print();
                    std::cout << "Index " << gel->NodeIndex(1) << " ";
                    gel->Node(1).Print();
                    std::cout << "Index " << neighbour.Element()->NodeIndex(0) << " ";
                    neighbour.Element()->Node(0).Print();
                    std::cout << "Index " << neighbour.Element()->NodeIndex(1) << " ";
                    neighbour.Element()->Node(1).Print();
                    REAL l1 = Length(gel);
                    REAL l2 = Length(neighbour.Element());
                    if (l1 < l2) {
                        gel->RemoveConnectivities();
                        delete gel;
                        fgmesh.ElementVec()[el] = 0;
                        gel = 0;
                        break;
                    }
                    else
                    {
                        neighbour.Element()->RemoveConnectivities();
                        int64_t neighindex = neighbour.Element()->Index();
                        delete neighbour.Element();
                        fgmesh.ElementVec()[neighindex] = 0;
                        neighbour = gelside;
                    }
                }
                neighbour = neighbour.Neighbour();
            }
            if(!gel) break;
        }
    }
    std::cout << "max cosine angle " << maxcos << std::endl;
}