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bechet |
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#include "gestionversion.h" |
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francois |
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#include "toxfem.h" |
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#include "MagXchange.h" |
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#include "mg_file.h" |
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#include "ot_mathematique.h" |
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#include "tpl_map_entite.h" |
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#include "tpl_octree.h" |
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francois |
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#include "toxfem_point.h" |
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#include "vct.h" |
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#include <math.h> |
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francois |
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#define NPAS 50 |
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francois |
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francois |
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TOXFEM::TOXFEM() |
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francois |
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{ |
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} |
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francois |
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TOXFEM::~TOXFEM() |
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francois |
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{ |
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} |
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francois |
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int TOXFEM::estdansletetra(MG_TETRA *tet,double x,double y, double z) |
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francois |
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{ |
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double* xyz1=tet->get_noeud1()->get_coord(); |
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double* xyz2=tet->get_noeud2()->get_coord(); |
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double* xyz3=tet->get_noeud3()->get_coord(); |
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double* xyz4=tet->get_noeud4()->get_coord(); |
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OT_VECTEUR_3D v1(xyz2[0]-xyz1[0],xyz2[1]-xyz1[1],xyz2[2]-xyz1[2]); |
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OT_VECTEUR_3D v2(xyz3[0]-xyz1[0],xyz3[1]-xyz1[1],xyz3[2]-xyz1[2]); |
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OT_VECTEUR_3D v3(xyz4[0]-xyz1[0],xyz4[1]-xyz1[1],xyz4[2]-xyz1[2]); |
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OT_VECTEUR_3D v4(x-xyz1[0],y-xyz1[1],z-xyz1[2]); |
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OT_MATRICE_3D mat(v1,v2,v3); |
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OT_MATRICE_3D mat1(v4,v2,v3); |
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OT_MATRICE_3D mat2(v1,v4,v3); |
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OT_MATRICE_3D mat3(v1,v2,v4); |
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double det=mat.get_determinant(); |
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double xsi=mat1.get_determinant()/det; |
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double eta=mat2.get_determinant()/det; |
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double dseta=mat3.get_determinant()/det; |
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int reponse=1; |
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if (xsi<-0.000001) reponse=0; |
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if (eta<-0.000001) reponse=0; |
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if (dseta<-0.000001) reponse=0; |
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if (xsi+eta+dseta>1.000001) reponse=0; |
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return reponse; |
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} |
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francois |
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double TOXFEM::calculdist(double *n,double x,double y,double z,MG_NOEUD* noeud,MG_TETRA* tet) |
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francois |
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{ |
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double* xyz=noeud->get_coord(); |
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/*double t=(-n[0]*xyz[0]-n[1]*xyz[1]-n[2]*xyz[2]-n[3])/(n[0]*n[0]+n[1]*n[1]+n[2]*n[2]); |
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double xyz1[3]; |
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xyz1[0]=xyz[0]+t*n[0]; |
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xyz1[1]=xyz[1]+t*n[1]; |
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xyz1[2]=xyz[2]+t*n[2]; |
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double dist; |
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if (estdansletetra(tet,xyz1[0],xyz1[1],xyz1[2])) |
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dist=sqrt((xyz[0]-xyz1[0])*(xyz[0]-xyz1[0])+(xyz[1]-xyz1[1])*(xyz[1]-xyz1[1])+(xyz[2]-xyz1[2])*(xyz[2]-xyz1[2])); |
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else*/ |
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double dist=sqrt((xyz[0]-x)*(xyz[0]-x)+(xyz[1]-y)*(xyz[1]-y)+(xyz[2]-z)*(xyz[2]-z)); |
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OT_VECTEUR_3D vec1(n[0],n[1],n[2]); |
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OT_VECTEUR_3D vec2(xyz[0]-x,xyz[1]-y,xyz[2]-z); |
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double ps=vec1*vec2; |
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if (ps<0.) dist=-dist; |
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return dist; |
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} |
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francois |
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void TOXFEM::importer(std::string nomfichier,class MagXchange* data,std::string nomfichierout) |
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{ |
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MG_FILE gest((char*)nomfichier.c_str()); |
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mai=gest.get_mg_maillage(1); |
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geo=gest.get_mg_geometrie(0); |
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int nbface=geo->get_nb_mg_face(); |
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int nb_noeud=mai->get_nb_mg_noeud(); |
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std::string nomfichier2=nomfichier+".sol"; |
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MG_SOLUTION* solution=new MG_SOLUTION(mai,nbface+1,(char*)nomfichier2.c_str(),nb_noeud,"VL"); |
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solution->change_legende(0,"Peau"); |
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for (int i=0;i<nbface;i++) |
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{ |
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char mess[255]; |
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sprintf(mess,"Face%d",i); |
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solution->change_legende(i+1,mess); |
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} |
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francois |
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gest.ajouter_mg_solution(solution); |
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double xmin=1e300,ymin=1e300,zmin=1e308; |
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double xmax=-1e300,ymax=-1e300,zmax=-1e308; |
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TPL_MAP_ENTITE<MG_NOEUD*> lst_noeud; |
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for (int i=0;i<nb_noeud;i++) |
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{ |
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MG_NOEUD* noeud=mai->get_mg_noeud(i); |
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double* xyz=noeud->get_coord(); |
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if (xyz[0]<xmin) xmin=xyz[0]; |
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if (xyz[1]<ymin) ymin=xyz[1]; |
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if (xyz[2]<zmin) zmin=xyz[2]; |
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if (xyz[0]>xmax) xmax=xyz[0]; |
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if (xyz[1]>ymax) ymax=xyz[1]; |
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if (xyz[2]>zmax) zmax=xyz[2]; |
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francois |
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for (int j=0;j<nbface+1;j++) |
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solution->ecrire(i,j,1e300); |
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francois |
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lst_noeud.ajouter(noeud); |
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} |
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octree.initialiser(&lst_noeud,1,xmin,ymin,zmin,xmax,ymax,zmax); |
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int nb_tetra=mai->get_nb_mg_tetra(); |
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for (int i=0;i<nb_tetra;i++) |
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{ |
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MG_TETRA* tet=mai->get_mg_tetra(i); |
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octree.inserer(tet); |
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} |
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francois |
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levelset0(solution,0); |
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for (int i=0;i<nbface;i++) |
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{ |
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vector<MG_FACE*> lstface; |
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MG_FACE* face=geo->get_mg_face(i); |
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TPL_LISTE_ENTITE<double> lst; |
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int type=face->get_surface()->get_type_geometrique(lst); |
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int idem=0; |
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for (int j=0;j<i;j++) |
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{ |
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TPL_LISTE_ENTITE<double> lst2; |
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MG_FACE* face2=geo->get_mg_face(j); |
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int type2=face2->get_surface()->get_type_geometrique(lst2); |
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if (type==type2) |
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if (lst.get_nb()==lst2.get_nb()) |
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{ |
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int diff=0; |
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for (int i=0;i<lst.get_nb();i++) |
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if (fabs(lst.get(i)-lst2.get(i))>0.000001) diff=1; |
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if (diff==0) idem=1; |
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} |
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} |
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if (!idem) lstface.push_back(geo->get_mg_face(i)); |
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for (int j=i+1;j<nbface;j++) |
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{ |
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TPL_LISTE_ENTITE<double> lst2; |
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MG_FACE* face2=geo->get_mg_face(j); |
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int type2=face2->get_surface()->get_type_geometrique(lst2); |
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if (type==type2) |
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if (lst.get_nb()==lst2.get_nb()) |
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{ |
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int diff=0; |
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for (int i=0;i<lst.get_nb();i++) |
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if (fabs(lst.get(i)-lst2.get(i))>0.000001) diff=1; |
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if (diff==0) lstface.push_back(face2); |
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} |
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} |
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levelsetn(&lstface,solution,i+1); |
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} |
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if (nomfichierout!="") gest.enregistrer((char*)nomfichierout.c_str()); |
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if (data==NULL) return; |
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for (int i=0;i<nb_noeud;i++) |
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{ |
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MG_NOEUD* noeud=mai->get_mg_noeud(i); |
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MagNode *xfemnode; |
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int nbsol=0; |
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for (int j=0;j<nbface+1;j++) |
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if (solution->lire(i,j)<1e200) nbsol++; |
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if (nbsol>0) |
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{ |
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xfemnode=new MagNode(nbsol); |
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int isol=0; |
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for (int j=0;j<nbface+1;j++) |
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if (solution->lire(i,j)<1e200) |
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{ |
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xfemnode->values()[isol]=solution->lire(i,j); |
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xfemnode->idvalues()[isol]=j; |
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isol++; |
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} |
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} // 1 valeur de levelset |
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else |
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xfemnode=new MagNode(0); // 0 valeur de levelset |
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double * posxfem=xfemnode->position(); |
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for (int i=0;i<3;++i) posxfem[i]=noeud->get_coord()[i]; |
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xfemnode->id(noeud->get_id()); |
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data->addnode(*xfemnode,true); |
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delete xfemnode; |
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} |
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int nbtetra=mai->get_nb_mg_tetra(); |
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for (int i=0;i<nbtetra;i++) |
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{ |
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MG_TETRA* tet=mai->get_mg_tetra(i); |
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MagElement xfemele(MagElement::TETRAHEDRON); |
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xfemele.nodes()[0]=tet->get_noeud1()->get_id(); |
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xfemele.nodes()[1]=tet->get_noeud2()->get_id(); |
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xfemele.nodes()[2]=tet->get_noeud3()->get_id(); |
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xfemele.nodes()[3]=tet->get_noeud4()->get_id(); |
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data->addelement(xfemele); |
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} |
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} |
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void TOXFEM::levelset0(MG_SOLUTION *solution,int numsol) |
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{ |
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solution->active_solution(numsol); |
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francois |
104 |
int nbface=geo->get_nb_mg_face(); |
| 198 |
francois |
106 |
vector<TOXFEM_POINT*> lst; |
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francois |
104 |
for (int iface=0;iface<nbface;iface++) |
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{ |
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francois |
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MG_FACE* face=geo->get_mg_face(iface); |
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int nbpoint=lst.size(); |
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francois |
104 |
TPL_SET<MG_ELEMENT_MAILLAGE*>::ITERATEUR it; |
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for (MG_ELEMENT_MAILLAGE* ele=face->get_lien_maillage()->get_premier(it);ele!=NULL;ele=face->get_lien_maillage()->get_suivant(it)) |
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{ |
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MG_TRIANGLE *tri=(MG_TRIANGLE*)ele; |
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francois |
106 |
TOXFEM_POINT *pt1=new TOXFEM_POINT(tri->get_noeud1()->get_x(),tri->get_noeud1()->get_y(),tri->get_noeud1()->get_z(),tri->get_noeud1()->get_lien_topologie()); |
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TOXFEM_POINT *pt2=new TOXFEM_POINT(tri->get_noeud2()->get_x(),tri->get_noeud2()->get_y(),tri->get_noeud2()->get_z(),tri->get_noeud2()->get_lien_topologie()); |
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TOXFEM_POINT *pt3=new TOXFEM_POINT(tri->get_noeud3()->get_x(),tri->get_noeud3()->get_y(),tri->get_noeud3()->get_z(),tri->get_noeud3()->get_lien_topologie()); |
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lst.push_back(pt1); |
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lst.push_back(pt2); |
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lst.push_back(pt3); |
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francois |
104 |
} |
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francois |
106 |
calcullevelsetpremierepasse(solution,numsol,face,&lst,nbpoint,lst.size()); |
| 215 |
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} |
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calcullevelsetdeuxiemepasse(solution,numsol,&lst); |
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} |
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void TOXFEM::calcullevelsetpremierepasse(MG_SOLUTION *solution,int numsol,MG_FACE* face,vector<TOXFEM_POINT*> *lst,int n1,int n2) |
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{ |
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for (int i=n1;i<n2;i++) |
| 221 |
francois |
104 |
{ |
| 222 |
francois |
106 |
TOXFEM_POINT* pt=(*lst)[i]; |
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francois |
104 |
double uv[2]; |
| 224 |
francois |
106 |
double xyz[3]; |
| 225 |
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pt->get_coord3(xyz); |
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francois |
104 |
double normal[4]; |
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face->inverser(uv,xyz); |
| 228 |
francois |
106 |
normal[0]=normal[0]*face->get_mg_coface(0)->get_orientation(); |
| 229 |
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normal[1]=normal[1]*face->get_mg_coface(0)->get_orientation(); |
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normal[2]=normal[2]*face->get_mg_coface(0)->get_orientation(); |
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francois |
104 |
face->calcul_normale_unitaire(uv,normal); |
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TPL_MAP_ENTITE<MG_TETRA*> liste; |
| 233 |
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octree.rechercher(xyz[0],xyz[1],xyz[2],0.,liste); |
| 234 |
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int nb=liste.get_nb(); |
| 235 |
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for (int k=0;k<nb;k++) |
| 236 |
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{ |
| 237 |
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MG_TETRA* tet=liste.get(k); |
| 238 |
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if ( estdansletetra(tet,xyz[0],xyz[1],xyz[2])) |
| 239 |
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{ |
| 240 |
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normal[3]=-normal[0]*xyz[0]-normal[1]*xyz[1]-normal[2]*xyz[2]; |
| 241 |
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double dist=calculdist(normal,xyz[0],xyz[1],xyz[2],tet->get_noeud1(),tet); |
| 242 |
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if (fabs(dist)<fabs(tet->get_noeud1()->get_solution())) |
| 243 |
francois |
106 |
{ |
| 244 |
francois |
104 |
tet->get_noeud1()->change_solution(dist); |
| 245 |
francois |
106 |
tet->get_noeud1()->change_nouveau_numero(pt->get_id()); |
| 246 |
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pt->change_coord2(uv); |
| 247 |
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} |
| 248 |
francois |
104 |
dist=calculdist(normal,xyz[0],xyz[1],xyz[2],tet->get_noeud2(),tet); |
| 249 |
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if (fabs(dist)<fabs(tet->get_noeud2()->get_solution())) |
| 250 |
francois |
106 |
{ |
| 251 |
francois |
104 |
tet->get_noeud2()->change_solution(dist); |
| 252 |
francois |
106 |
tet->get_noeud2()->change_nouveau_numero(pt->get_id()); |
| 253 |
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pt->change_coord2(uv); |
| 254 |
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} |
| 255 |
francois |
104 |
dist=calculdist(normal,xyz[0],xyz[1],xyz[2],tet->get_noeud3(),tet); |
| 256 |
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if (fabs(dist)<fabs(tet->get_noeud3()->get_solution())) |
| 257 |
francois |
106 |
{ |
| 258 |
francois |
104 |
tet->get_noeud3()->change_solution(dist); |
| 259 |
francois |
106 |
tet->get_noeud3()->change_nouveau_numero(pt->get_id()); |
| 260 |
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pt->change_coord2(uv); |
| 261 |
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} |
| 262 |
francois |
104 |
dist=calculdist(normal,xyz[0],xyz[1],xyz[2],tet->get_noeud4(),tet); |
| 263 |
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if (fabs(dist)<fabs(tet->get_noeud4()->get_solution())) |
| 264 |
francois |
106 |
{ |
| 265 |
francois |
104 |
tet->get_noeud4()->change_solution(dist); |
| 266 |
francois |
106 |
tet->get_noeud4()->change_nouveau_numero(pt->get_id()); |
| 267 |
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pt->change_coord2(uv); |
| 268 |
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} |
| 269 |
francois |
104 |
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| 270 |
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} |
| 271 |
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} |
| 272 |
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} |
| 273 |
francois |
106 |
} |
| 274 |
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| 275 |
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void TOXFEM::calcullevelsetdeuxiemepasse(MG_SOLUTION *solution,int numsol,vector<TOXFEM_POINT*> *lst) |
| 276 |
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{ |
| 277 |
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LISTE_MG_TETRA::iterator ittet; |
| 278 |
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for (MG_TETRA* tet=mai->get_premier_tetra(ittet);tet!=NULL;tet=mai->get_suivant_tetra(ittet)) |
| 279 |
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{ |
| 280 |
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MG_NOEUD *noeud[4]; |
| 281 |
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noeud[0]=tet->get_noeud1(); |
| 282 |
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noeud[1]=tet->get_noeud2(); |
| 283 |
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noeud[2]=tet->get_noeud3(); |
| 284 |
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noeud[3]=tet->get_noeud4(); |
| 285 |
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for (int i=0;i<4;i++) |
| 286 |
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if (noeud[i]->get_solution()<1e250) |
| 287 |
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{ |
| 288 |
|
|
TOXFEM_POINT* pt=(*lst)[noeud[i]->get_nouveau_numero()]; |
| 289 |
|
|
int dim=pt->get_mg_element_topologique()->get_dimension(); |
| 290 |
|
|
if (dim==2) |
| 291 |
|
|
{ |
| 292 |
|
|
MG_FACE* face=(MG_FACE*)pt->get_mg_element_topologique(); |
| 293 |
|
|
double dist=calcul_distance(noeud[i],face,pt); |
| 294 |
|
|
int signe=1; |
| 295 |
|
|
if (noeud[i]->get_solution()<0) signe=-1; |
| 296 |
|
|
noeud[i]->change_solution(signe*dist); |
| 297 |
|
|
} |
| 298 |
|
|
if (dim==1) |
| 299 |
|
|
{ |
| 300 |
|
|
MG_ARETE* arete=(MG_ARETE*)pt->get_mg_element_topologique(); |
| 301 |
|
|
double dist=calcul_distance(noeud[i],arete,pt); |
| 302 |
|
|
noeud[i]->change_solution(dist); |
| 303 |
|
|
} |
| 304 |
|
|
if (dim==0) |
| 305 |
|
|
{ |
| 306 |
|
|
MG_SOMMET* sommet=(MG_SOMMET*)pt->get_mg_element_topologique(); |
| 307 |
|
|
MG_ARETE* arete=sommet->get_mg_cosommet(0)->get_arete(); |
| 308 |
|
|
double dist=calcul_distance(noeud[i],arete,pt); |
| 309 |
|
|
noeud[i]->change_solution(dist); |
| 310 |
|
|
} |
| 311 |
|
|
|
| 312 |
|
|
} |
| 313 |
francois |
104 |
} |
| 314 |
francois |
106 |
int nb_noeud=mai->get_nb_mg_noeud(); |
| 315 |
francois |
104 |
for (int i=0;i<nb_noeud;i++) |
| 316 |
|
|
{ |
| 317 |
|
|
MG_NOEUD* noeud=mai->get_mg_noeud(i); |
| 318 |
francois |
106 |
solution->ecrire(i,numsol,noeud->get_solution()); |
| 319 |
francois |
104 |
} |
| 320 |
francois |
106 |
int nbpt=(*lst).size(); |
| 321 |
|
|
for (int i=0;i<nbpt;i++) delete (*lst)[i]; |
| 322 |
|
|
TOXFEM_POINT::remisecompteurid(); |
| 323 |
francois |
104 |
|
| 324 |
francois |
106 |
} |
| 325 |
|
|
|
| 326 |
|
|
double TOXFEM::calcul_distance(MG_NOEUD* noeud,MG_ARETE* are,TOXFEM_POINT* pt,double precision) |
| 327 |
|
|
{ |
| 328 |
|
|
double tii,eps; |
| 329 |
|
|
are->inverser(tii,noeud->get_coord()); |
| 330 |
|
|
int compteur=0; |
| 331 |
|
|
OT_VECTEUR_3D Pt(noeud->get_x(),noeud->get_y(),noeud->get_z()); |
| 332 |
|
|
do |
| 333 |
|
|
{ |
| 334 |
|
|
compteur++; |
| 335 |
|
|
double ti=tii; |
| 336 |
|
|
double xyz[3],dxyz[3],ddxyz[3]; |
| 337 |
|
|
are->deriver_seconde(ti,ddxyz,dxyz,xyz); |
| 338 |
|
|
OT_VECTEUR_3D Ct(xyz[0],xyz[1],xyz[2]); |
| 339 |
|
|
OT_VECTEUR_3D Ct_deriver(dxyz[0],dxyz[1],dxyz[2]); |
| 340 |
|
|
OT_VECTEUR_3D Ct_deriver_seconde(ddxyz[0],ddxyz[1],ddxyz[2]); |
| 341 |
|
|
OT_VECTEUR_3D Distance = Ct-Pt; |
| 342 |
|
|
tii=ti-Ct_deriver*Distance/(Ct_deriver_seconde*Distance+Ct_deriver.get_longueur2()); |
| 343 |
|
|
eps=fabs(tii-ti); |
| 344 |
|
|
if (compteur>500) return 1e300; |
| 345 |
|
|
if (tii<are->get_tmin()) |
| 346 |
|
|
{ |
| 347 |
|
|
tii=are->get_tmin(); |
| 348 |
|
|
eps=0.; |
| 349 |
|
|
} |
| 350 |
|
|
if (tii>are->get_tmax()) |
| 351 |
|
|
{ |
| 352 |
|
|
tii=are->get_tmax(); |
| 353 |
|
|
eps=0.; |
| 354 |
|
|
} |
| 355 |
|
|
} |
| 356 |
|
|
while (eps>precision); |
| 357 |
|
|
double xyz[3],dxyz[3]; |
| 358 |
|
|
are->evaluer(tii,xyz); |
| 359 |
|
|
OT_VECTEUR_3D Ct(xyz[0],xyz[1],xyz[2]); |
| 360 |
|
|
double distance=(Ct-Pt).get_longueur(); |
| 361 |
|
|
MG_FACE* face1=are->get_mg_coarete(0)->get_boucle()->get_mg_face(); |
| 362 |
|
|
MG_FACE* face2=are->get_mg_coarete(1)->get_boucle()->get_mg_face(); |
| 363 |
|
|
are->deriver(tii,dxyz); |
| 364 |
|
|
OT_VECTEUR_3D x1(dxyz[0],dxyz[1],dxyz[2]); |
| 365 |
|
|
OT_VECTEUR_3D x2(dxyz[0],dxyz[1],dxyz[2]); |
| 366 |
|
|
x1=are->get_mg_coarete(0)->get_orientation()*x1; |
| 367 |
|
|
x2=are->get_mg_coarete(1)->get_orientation()*x2; |
| 368 |
|
|
x1.norme(); |
| 369 |
|
|
x2.norme(); |
| 370 |
|
|
double uv1[2],uv2[2]; |
| 371 |
|
|
double normal1[3],normal2[3]; |
| 372 |
|
|
face1->inverser(uv1,xyz); |
| 373 |
|
|
face2->inverser(uv2,xyz); |
| 374 |
|
|
face1->calcul_normale_unitaire(uv1,normal1); |
| 375 |
|
|
face2->calcul_normale_unitaire(uv2,normal2); |
| 376 |
|
|
OT_VECTEUR_3D z1(normal1[0],normal1[1],normal1[2]); |
| 377 |
|
|
OT_VECTEUR_3D z2(normal2[0],normal2[1],normal2[2]); |
| 378 |
|
|
z1=face1->get_mg_coface(0)->get_orientation()*z1; |
| 379 |
|
|
z2=face2->get_mg_coface(0)->get_orientation()*z2; |
| 380 |
|
|
OT_VECTEUR_3D y1=z1&x1; |
| 381 |
|
|
OT_VECTEUR_3D y2=z2&x2; |
| 382 |
|
|
double test=(z1&z2)*x1; |
| 383 |
|
|
int signe=-1; |
| 384 |
|
|
OT_VECTEUR_3D dirpt=Pt-Ct; |
| 385 |
|
|
if (test>0) |
| 386 |
|
|
{if ((z1*dirpt>0.) || (z2*dirpt>0.)) signe=1;} |
| 387 |
|
|
else |
| 388 |
|
|
{if ((z1*dirpt>0.) && (z2*dirpt>0.)) signe=1;} |
| 389 |
|
|
return signe*distance; |
| 390 |
|
|
} |
| 391 |
|
|
|
| 392 |
|
|
double TOXFEM::calcul_distance(MG_NOEUD* noeud,MG_FACE* face,TOXFEM_POINT* pt,double precision) |
| 393 |
|
|
{ |
| 394 |
|
|
double uvii[2],eps; |
| 395 |
|
|
pt->get_coord2(uvii); |
| 396 |
|
|
int compteur=0; |
| 397 |
|
|
OT_VECTEUR_3D Pt(noeud->get_x(),noeud->get_y(),noeud->get_z()); |
| 398 |
|
|
double delta_u,delta_v; |
| 399 |
|
|
do |
| 400 |
|
|
{ |
| 401 |
|
|
compteur++; |
| 402 |
|
|
double uvi[2]; |
| 403 |
|
|
uvi[0]=uvii[0]; |
| 404 |
|
|
uvi[1]=uvii[1]; |
| 405 |
|
|
double xyzduu[3],xyzdvv[3],xyzduv[3],xyzdu[3],xyzdv[3],xyz[3]; |
| 406 |
|
|
face->deriver_seconde(uvi,xyzduu,xyzduv,xyzdvv,xyz,xyzdu,xyzdv); |
| 407 |
|
|
OT_VECTEUR_3D S(xyz[0],xyz[1],xyz[2]); |
| 408 |
|
|
OT_VECTEUR_3D Su(xyzdu[0],xyzdu[1],xyzdu[2]); |
| 409 |
|
|
OT_VECTEUR_3D Sv(xyzdv[0],xyzdv[1],xyzdv[2]); |
| 410 |
|
|
OT_VECTEUR_3D Suu(xyzduu[0],xyzduu[1],xyzduu[2]); |
| 411 |
|
|
OT_VECTEUR_3D Suv(xyzduv[0],xyzduv[1],xyzduv[2]); |
| 412 |
|
|
OT_VECTEUR_3D Svv(xyzdvv[0],xyzdvv[1],xyzdvv[2]); |
| 413 |
|
|
OT_VECTEUR_3D Distance = S-Pt; |
| 414 |
|
|
double a[4],b[2]; |
| 415 |
|
|
a[0]=Su.get_longueur2()+Distance*Suu; |
| 416 |
|
|
a[1]=Su*Sv+Distance*Suv; |
| 417 |
|
|
a[2]=Su*Sv+Distance*Suv; |
| 418 |
|
|
a[3]=Sv.get_longueur2()+Distance*Svv; |
| 419 |
|
|
b[0]=Distance*Su;b[0]=-b[0]; |
| 420 |
|
|
b[1]=Distance*Sv;b[1]=-b[1]; |
| 421 |
|
|
double deltau,deltav; |
| 422 |
|
|
double denominateur_delta=(a[0]*a[3]-a[2]*a[1]); |
| 423 |
|
|
if (a[0]<1E-12) |
| 424 |
|
|
deltau=0; |
| 425 |
|
|
else delta_u=(b[0]*a[3]-b[1]*a[1])/denominateur_delta; |
| 426 |
|
|
if (a[3]<1E-12) |
| 427 |
|
|
deltav=0; |
| 428 |
|
|
else delta_v=(a[0]*b[1]-a[2]*b[0])/denominateur_delta; |
| 429 |
|
|
/*if (fabs(denominateur_delta) < ( (fabs(a[0])+fabs(a[1])+fabs(a[2])+fabs(a[3]))*1e-12 ) ) |
| 430 |
|
|
return 1e300;*/ |
| 431 |
|
|
uvii[0]=uvi[0]+delta_u; |
| 432 |
|
|
uvii[1]=uvi[1]+delta_v; |
| 433 |
|
|
if (face->get_surface()->est_periodique_u()==1) |
| 434 |
|
|
{ |
| 435 |
|
|
if(uvii[0]<0.) uvii[0]=face->get_surface()->get_periode_u()-uvii[0]; |
| 436 |
|
|
if(uvii[0]>face->get_surface()->get_periode_u()) uvii[0]=uvii[0]-face->get_surface()->get_periode_u(); |
| 437 |
|
|
} |
| 438 |
|
|
if (face->get_surface()->est_periodique_v()==1) |
| 439 |
|
|
{ |
| 440 |
|
|
if(uvii[1]<0.) uvii[0]=face->get_surface()->get_periode_v()-uvii[1]; |
| 441 |
|
|
if(uvii[1]>face->get_surface()->get_periode_v()) uvii[1]=uvii[1]-face->get_surface()->get_periode_v(); |
| 442 |
|
|
} |
| 443 |
|
|
delta_u=uvii[0]-uvi[0]; |
| 444 |
|
|
delta_v=uvii[1]-uvi[1]; |
| 445 |
|
|
if (compteur>500) return 1e300; |
| 446 |
|
|
} |
| 447 |
|
|
|
| 448 |
|
|
while ((fabs(delta_u)>precision)||(fabs(delta_v)>precision)); |
| 449 |
|
|
double xyz[3]; |
| 450 |
|
|
face->evaluer(uvii,xyz); |
| 451 |
|
|
OT_VECTEUR_3D S(xyz[0],xyz[1],xyz[2]); |
| 452 |
|
|
double distance=(S-Pt).get_longueur(); |
| 453 |
|
|
return distance; |
| 454 |
|
|
} |
| 455 |
|
|
|
| 456 |
|
|
void TOXFEM::levelsetn(vector<MG_FACE*> *lstface,class MG_SOLUTION* solution,int numsol) |
| 457 |
|
|
{ |
| 458 |
|
|
solution->active_solution(numsol); |
| 459 |
|
|
int nbface=lstface->size(); |
| 460 |
|
|
if (nbface==0) return; |
| 461 |
|
|
vector<TOXFEM_POINT*> lst; |
| 462 |
|
|
for (int iface=0;iface<nbface;iface++) |
| 463 |
|
|
{ |
| 464 |
|
|
MG_FACE* face=(*lstface)[iface]; |
| 465 |
|
|
double umin=1e300,vmin=1e300,umax=-1e300,vmax=-1e300; |
| 466 |
|
|
int nbboucle=face->get_nb_mg_boucle(); |
| 467 |
|
|
for (int i=0;i<nbboucle;i++) |
| 468 |
francois |
104 |
{ |
| 469 |
francois |
106 |
MG_BOUCLE *boucle=face->get_mg_boucle(i); |
| 470 |
|
|
int nbarete=boucle->get_nb_mg_coarete(); |
| 471 |
|
|
for (int j=0;j<nbarete;j++) |
| 472 |
francois |
104 |
{ |
| 473 |
francois |
106 |
MG_ARETE* are=boucle->get_mg_coarete(j)->get_arete(); |
| 474 |
|
|
double tmin=are->get_tmin(); |
| 475 |
|
|
double tmax=are->get_tmax(); |
| 476 |
|
|
for (int k=0;k<NPAS;k++) |
| 477 |
|
|
{ |
| 478 |
|
|
double t=tmin+k*1.0/NPAS*(tmax-tmin); |
| 479 |
|
|
double xyz[3],uv[2]; |
| 480 |
|
|
are->evaluer(t,xyz); |
| 481 |
|
|
face->inverser(uv,xyz); |
| 482 |
|
|
if (uv[0]>umax) umax=uv[0]; |
| 483 |
|
|
if (uv[1]>vmax) vmax=uv[1]; |
| 484 |
|
|
if (uv[0]<umin) umin=uv[0]; |
| 485 |
|
|
if (uv[1]<vmin) vmin=uv[1]; |
| 486 |
|
|
} |
| 487 |
|
|
} |
| 488 |
francois |
104 |
} |
| 489 |
francois |
106 |
if (face->get_surface()->est_periodique_u()) |
| 490 |
francois |
104 |
{ |
| 491 |
francois |
106 |
umin=0; |
| 492 |
|
|
umax=face->get_surface()->get_periode_u(); |
| 493 |
francois |
104 |
} |
| 494 |
francois |
106 |
if (face->get_surface()->est_periodique_v()) |
| 495 |
|
|
{ |
| 496 |
|
|
vmin=0; |
| 497 |
|
|
vmax=face->get_surface()->get_periode_v(); |
| 498 |
|
|
} |
| 499 |
|
|
for (int i=-5;i<NPAS+5;i++) |
| 500 |
|
|
for (int j=-5;j<NPAS+5;j++) |
| 501 |
|
|
{ |
| 502 |
|
|
double uv[0]; |
| 503 |
|
|
uv[0]=umin+i*1.0/NPAS*(umax-umin); |
| 504 |
|
|
uv[1]=vmin+j*1.0/NPAS*(vmax-vmin); |
| 505 |
|
|
double xyz[3]; |
| 506 |
|
|
if ((face->valide_parametre_u(uv[0])) && (face->valide_parametre_u(uv[1]))) |
| 507 |
|
|
{ |
| 508 |
|
|
face->evaluer(uv,xyz); |
| 509 |
|
|
TOXFEM_POINT *pt=new TOXFEM_POINT(xyz[0],xyz[1],xyz[2],face); |
| 510 |
|
|
lst.push_back(pt); |
| 511 |
|
|
} |
| 512 |
|
|
} |
| 513 |
francois |
104 |
} |
| 514 |
francois |
106 |
calcullevelsetpremierepasse(solution,numsol,(*lstface)[0],&lst,0,lst.size()); |
| 515 |
|
|
calcullevelsetdeuxiemepasse(solution,numsol,&lst); |
| 516 |
|
|
|
| 517 |
|
|
} |
