| 1 |
#include "gestionversion.h" |
| 2 |
#include "mgopt_simp.h" |
| 3 |
#include "mg_file.h" |
| 4 |
#include "mg_export.h" |
| 5 |
#include <string.h> |
| 6 |
#include <math.h> |
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class SIMP_TETRA |
| 12 |
{ |
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public: |
| 14 |
FEM_ELEMENT3* tet; |
| 15 |
double densite; |
| 16 |
double new_densite; |
| 17 |
int design; |
| 18 |
double new_denergie; |
| 19 |
double energie; |
| 20 |
double denergie; |
| 21 |
double volume; |
| 22 |
int maille_niveau; |
| 23 |
int indice; |
| 24 |
double distance_ref; |
| 25 |
double distance_ref2; |
| 26 |
double centre[3]; |
| 27 |
BOITE_3D get_boite_3D(void) |
| 28 |
{ |
| 29 |
return tet->get_boite_3D(); |
| 30 |
}; |
| 31 |
vector<SIMP_TETRA*> voisin; |
| 32 |
vector<SIMP_TETRA*> voisin2; |
| 33 |
unsigned long get_id(void) {return tet->get_id();}; |
| 34 |
double distance(SIMP_TETRA* tet2) |
| 35 |
{ |
| 36 |
double dx=centre[0]-tet2->centre[0]; |
| 37 |
double dy=centre[1]-tet2->centre[1]; |
| 38 |
double dz=centre[2]-tet2->centre[2]; |
| 39 |
return sqrt(dx*dx+dy*dy+dz*dz); |
| 40 |
}; |
| 41 |
}; |
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MGOPT_SIMP::MGOPT_SIMP():MGOPT() |
| 53 |
{ |
| 54 |
params.ajouter("f",0.3,"Fraction volumique de la methode SIMP"); |
| 55 |
params.ajouter("rminc",0.,"0. Valeur de la carte de taille (si pas de maillage le parametre fichiercarte permet d'utiliser une carte de taille) sinon valeur de rmin pour le lissage de la compliance"); |
| 56 |
params.ajouter("rmind",0.,"0. Valeur de la carte de taille (si pas de maillage le parametre fichiercarte permet d'utiliser une carte de taille) sinon valeur de rmin pour le lissage de la densite"); |
| 57 |
params.ajouter("coefvoisinc",1.0,"Coefficient de multiplication de rminc"); |
| 58 |
params.ajouter("coefvoisind",1.0,"Coefficient de multiplication de rmind"); |
| 59 |
params.ajouter("nbrniveau",150.,"Nombre de matériaux utilisés"); |
| 60 |
params.ajouter("p",3.,"Coefficient de penalite du module d'Young"); |
| 61 |
params.ajouter("ro_void",0.001,"Densite minimale consideree comme nulle"); |
| 62 |
params.ajouter("m",0.2,"Limite d'evolution de densité entre deux itérations"); |
| 63 |
params.ajouter("eta",0.5,"Coefficent d'affectation du beta"); |
| 64 |
params.ajouter("type_lissage",1.,"0. Pas de lissage 1. Lissage de la compliance 2. Lissage de la densité 3. Lissage de la compliance et de la densite"); |
| 65 |
params.ajouter("lissage_densite",1.,"0. Complet 1. Derniere iteration"); |
| 66 |
params.ajouter("type_lissage_densite",1.,"0. Distance 1. Distance pondéré 2. Gaussien 3. Gaussien pondéré"); |
| 67 |
params.ajouter("type_lissage_compliance",1.,"0. Sigmund 1997 1. Sigmund 2007"); |
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params.ajouter("kc",1.0,"Ponderation de la distance dans le lissage de la compliance"); |
| 69 |
params.ajouter("kd",1.0,"Ponderation de la distance dans le lissage de la densité"); |
| 70 |
params.ajouter("convergence_lagrange",0.1,"Critere de convergence de la recherche du multiplicateur de Lagrange en \%"); |
| 71 |
params.ajouter("iter_max",50.,"Nombre d'iteration maximale dans le processus SIMP"); |
| 72 |
params.ajouter("critere_convergence",0.5,"Critere de convergence de la méthode SIMP en \%"); |
| 73 |
params.ajouter("ro_min",0.8,"Seuil de conservation des éléments"); |
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} |
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|
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MGOPT_SIMP::MGOPT_SIMP(MGOPT_SIMP &mdd):MGOPT(mdd) |
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{ |
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} |
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|
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|
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MGOPT_SIMP::~MGOPT_SIMP() |
| 82 |
{ |
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} |
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|
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|
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void MGOPT_SIMP::optimisation(FEM_MAILLAGE* fem) |
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{ |
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MG_VOLUME* vol=fem->get_mg_geometrie()->get_mg_volume(0); |
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affiche((char*)" Initialisation"); |
| 90 |
vector<SIMP_TETRA*> lsttet; |
| 91 |
double f=params.get_valeur("f"); |
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double rminc=params.get_valeur("rminc"); |
| 93 |
double rmind=params.get_valeur("rmind"); |
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if (((rminc<1e-16)||(rmind<1e-16)) && (carte==NULL)) |
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{ |
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affiche((char*)" Lecture de la carte de taille"); |
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carte=new FCT_GENERATEUR_3D<4>; |
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std::string fichiercarte=params.get_nom("fichiercarte"); |
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carte->lire((char *)fichiercarte.c_str()); |
| 100 |
} |
| 101 |
double volume_tot; |
| 102 |
double volume_design=0; |
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double volume_non_design=0; |
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double unite=fem->get_mg_maillage()->get_mg_geometrie()->get_valeur_unite(); |
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LISTE_FEM_ELEMENT3::iterator it; |
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int ntet=0; |
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for (FEM_ELEMENT3* tet=fem->get_premier_element3(it);tet!=NULL;tet=fem->get_suivant_element3(it)) |
| 108 |
{ |
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SIMP_TETRA* tet2=new SIMP_TETRA; |
| 110 |
tet2->tet=tet; |
| 111 |
tet2->tet->change_numero(ntet); |
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ntet++; |
| 113 |
tet2->centre[0]=0.; |
| 114 |
tet2->centre[1]=0.; |
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tet2->centre[2]=0.; |
| 116 |
int nbnoeud=tet->get_nb_fem_noeud(); |
| 117 |
for (int i=0;i<nbnoeud;i++) |
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{ |
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tet2->centre[0]=tet2->centre[0]+tet->get_fem_noeud(i)->get_x()*unite; |
| 120 |
tet2->centre[1]=tet2->centre[1]+tet->get_fem_noeud(i)->get_y()*unite; |
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tet2->centre[2]=tet2->centre[2]+tet->get_fem_noeud(i)->get_z()*unite; |
| 122 |
} |
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tet2->centre[0]=tet2->centre[0]/nbnoeud; |
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tet2->centre[1]=tet2->centre[1]/nbnoeud; |
| 125 |
tet2->centre[2]=tet2->centre[2]/nbnoeud; |
| 126 |
int lig,col; |
| 127 |
double jac[9],uv[3]={1./4.,1./4.,1./4.}; |
| 128 |
tet2->volume=1./6.*tet->get_jacobien(jac,uv,lig,col,unite); |
| 129 |
tet2->distance_ref=rminc; |
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tet2->distance_ref2=rmind; |
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double xyz[3]={tet2->centre[0],tet2->centre[1],tet2->centre[2]}; |
| 132 |
double val[9]; |
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if (tet2->distance_ref<1e-16) |
| 134 |
{ |
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carte->evaluer(xyz,val); |
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tet2->distance_ref=1./sqrt(val[0]); |
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} |
| 138 |
if (tet2->distance_ref2<1e-16) |
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{ |
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carte->evaluer(xyz,val); |
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tet2->distance_ref2=1./sqrt(val[0]); |
| 142 |
} |
| 143 |
tet2->distance_ref=params.get_valeur("coefvoisinc")*tet2->distance_ref*unite; |
| 144 |
tet2->distance_ref2=params.get_valeur("coefvoisind")*tet2->distance_ref2*unite; |
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if (((MG_TETRA*)tet->get_mg_element_maillage())->get_origine()!=IMPOSE) |
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{ |
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tet2->design=1; |
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tet2->densite=f; |
| 149 |
volume_design=volume_design+tet2->volume; |
| 150 |
} |
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else |
| 152 |
{ |
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tet2->design=0; |
| 154 |
tet2->densite=1.; |
| 155 |
volume_non_design=volume_non_design+tet2->volume; |
| 156 |
} |
| 157 |
lsttet.insert(lsttet.end(),tet2); |
| 158 |
} |
| 159 |
volume_tot=volume_design+volume_non_design; |
| 160 |
double volumemoyen=volume_tot/fem->get_nb_fem_element3(); |
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affiche((char*)" Recherche de voisins"); |
| 162 |
int nbsimptet=lsttet.size(); |
| 163 |
for (int i=0;i<nbsimptet;i++) |
| 164 |
{ |
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SIMP_TETRA* tet=lsttet[i]; |
| 166 |
if (tet->design==0) continue; |
| 167 |
ajouter_voisin(i,tet,lsttet); |
| 168 |
} |
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int nbiteration=1; |
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int ok=0; |
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int niveaumax=(int)params.get_valeur("nbrniveau"); |
| 172 |
double p=params.get_valeur("p"); |
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vector<double> Ctotiter; |
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while (ok==0) |
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{ |
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if (nbiteration>params.get_valeur("iter_max")) break; |
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char message[255]; |
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sprintf(message," Iteration %d",nbiteration); |
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affiche(message); |
| 180 |
vector<FEM_ELEMENT3*> *lstniveau=new vector<FEM_ELEMENT3*>[niveaumax+1]; |
| 181 |
double densmin = params.get_valeur("ro_void"); |
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for (int i=0;i<nbsimptet;i++) |
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{ |
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SIMP_TETRA* tet=lsttet[i]; |
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tet->maille_niveau=(int)((tet->densite-densmin)*niveaumax/(1.-densmin))+1; |
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if (tet->maille_niveau>niveaumax) tet->maille_niveau=niveaumax; |
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lstniveau[tet->maille_niveau].insert(lstniveau[tet->maille_niveau].end(),tet->tet); |
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} |
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MG_EXPORT exp; |
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int version_aster=params.get_valeur("version_aster"); |
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exp.aster(vol,fem,nometude,2,(char*)"00000001",p,niveaumax,lstniveau); |
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delete [] lstniveau; |
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affiche((char*)" Calcul aster"); |
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char nomfichiertmp[255]; |
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sprintf(nomfichiertmp,"%s/as_run %s.export 1>aster.log 2>&1",getenv("PATHASTER"),nometude); |
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int code=system(nomfichiertmp); |
| 197 |
if (code!=0) |
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{ |
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sprintf(nomfichiertmp," Code de sortie aster : %d",code); |
| 200 |
affiche(nomfichiertmp); |
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} |
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affiche((char*)" Analyse resultat"); |
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recupere_energie(lsttet); |
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double Ctot=0; |
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for (int i=0;i<nbsimptet;i++) |
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{ |
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SIMP_TETRA* tet=lsttet[i]; |
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tet->denergie= -p*2.*tet->energie/tet->densite; |
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Ctot=Ctot+2.*tet->energie; |
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} |
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Ctotiter.insert(Ctotiter.end(),Ctot); |
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sprintf(message," Compliance %le",Ctot); |
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affiche(message); |
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if (nbiteration!=1) |
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{ |
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int nb=Ctotiter.size(); |
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double c1=Ctotiter[nb-2]; |
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double c2=Ctotiter[nb-1]; |
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double ecart=fabs((c2-c1)/c1)*100.; |
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if (ecart<params.get_valeur("critere_convergence")) ok=1; |
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sprintf(message," Ecart %lf%%",ecart); |
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affiche(message); |
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} |
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// lissage compliance |
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double kc=params.get_valeur("kc"); |
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int type_lissage =(int)params.get_valeur("type_lissage"); |
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int lissage_densite =(int)params.get_valeur("lissage_densite"); |
| 228 |
int type_lissage_densite =(int)params.get_valeur("type_lissage_densite"); |
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int type_lissage_compliance=(int)params.get_valeur("type_lissage_compliance"); |
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for (int i=0;i<nbsimptet;i++) |
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{ |
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SIMP_TETRA* tet=lsttet[i]; |
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if ((type_lissage==0) || (type_lissage==2)) |
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tet->new_denergie=tet->denergie; |
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if ((type_lissage==1) || (type_lissage==3)) |
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{ |
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if (tet->design == 1) |
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{ |
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double hi= pow(tet->distance_ref,kc); |
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double hisensi = hi*tet->densite*tet->denergie; |
| 241 |
if (type_lissage_compliance==1) |
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{ |
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hi=hi/tet->volume; |
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hisensi=hisensi/max(volumemoyen*0.00001,tet->volume); |
| 245 |
} |
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int nbvoisin=tet->voisin.size(); |
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for (int j = 0 ; j<nbvoisin ; j++) |
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{ |
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SIMP_TETRA* tet2=tet->voisin[j]; |
| 250 |
if (tet2->design == 1) |
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{ |
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double dist=tet->distance(tet2); |
| 253 |
double hj =fabs(pow(tet->distance_ref - dist,kc)); |
| 254 |
if (type_lissage_compliance==0) |
| 255 |
{ |
| 256 |
hisensi=hisensi+tet2->densite*hj*tet2->denergie; |
| 257 |
hi=hi+hj; |
| 258 |
} |
| 259 |
if (type_lissage_compliance==1) |
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{ |
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hisensi=hisensi+tet2->densite*hj*tet2->denergie/max(volumemoyen,tet2->volume); |
| 262 |
hi=hi+hj/tet2->volume; |
| 263 |
} |
| 264 |
hisensi=hisensi+tet2->densite*hj*tet2->denergie; |
| 265 |
hi=hi+hj; |
| 266 |
} |
| 267 |
} |
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tet->new_denergie = hisensi/hi/max(tet->densite,densmin); |
| 269 |
} |
| 270 |
else tet->new_denergie=tet->denergie; |
| 271 |
} |
| 272 |
} |
| 273 |
// application formule pas encore connue |
| 274 |
double l1= 1e-8 ; |
| 275 |
double l2= 1e8; |
| 276 |
double m=params.get_valeur("m"); |
| 277 |
double eta=params.get_valeur("eta"); |
| 278 |
double convergence_lagrange=params.get_valeur("convergence_lagrange"); |
| 279 |
double critere_densite = 0.0; |
| 280 |
int oklagrange=0; |
| 281 |
int compteurlagrange=0; |
| 282 |
while (oklagrange==0) |
| 283 |
{ |
| 284 |
compteurlagrange++; |
| 285 |
double lmid = 0.5*(l2+l1); |
| 286 |
critere_densite = 0.0; |
| 287 |
for (int i=0;i<nbsimptet;i++) |
| 288 |
{ |
| 289 |
SIMP_TETRA* tet=lsttet[i]; |
| 290 |
if (tet->design==1) |
| 291 |
{ |
| 292 |
double x1 = tet->densite+m; |
| 293 |
double beta=-tet->new_denergie/lmid/tet->volume; |
| 294 |
double x2 = tet->densite*pow(beta,eta); |
| 295 |
double x3 = min(x1,x2); |
| 296 |
double x4 = 1.; |
| 297 |
double x5 = min(x3,x4); |
| 298 |
double x6 = tet->densite-m; |
| 299 |
double x7 = max(x5,x6); |
| 300 |
double x8 = densmin; |
| 301 |
tet->new_densite = max(x7,x8); |
| 302 |
critere_densite = critere_densite + tet->new_densite*tet->volume; |
| 303 |
} |
| 304 |
else |
| 305 |
{ |
| 306 |
tet->new_densite=1.; |
| 307 |
} |
| 308 |
} |
| 309 |
if (critere_densite - f*volume_design > 0.) |
| 310 |
l1=lmid; |
| 311 |
else |
| 312 |
l2=lmid; |
| 313 |
if (100.*fabs(critere_densite- f*volume_design )/(f*volume_design)<convergence_lagrange) oklagrange=1; |
| 314 |
if (compteurlagrange>500) oklagrange=2; |
| 315 |
} |
| 316 |
if (oklagrange==1) sprintf(message," Convergence multiplicateur lagrange %le%%",100.*(critere_densite- f*volume_design )/(f*volume_design)); |
| 317 |
if (oklagrange==2) sprintf(message," Divergence multiplicateur lagrange %le %le",l1,l2); |
| 318 |
affiche(message); |
| 319 |
// lissage de densite. |
| 320 |
double kd=params.get_valeur("kd"); |
| 321 |
for (int i=0;i<nbsimptet;i++) |
| 322 |
{ |
| 323 |
SIMP_TETRA* tet=lsttet[i]; |
| 324 |
if ((type_lissage==2) || (type_lissage==3)) |
| 325 |
{ |
| 326 |
if (((lissage_densite==1)&&(ok==1)) || (lissage_densite==0)) |
| 327 |
{ |
| 328 |
if (tet->design == 1) |
| 329 |
{ |
| 330 |
double widensite=0.; |
| 331 |
double wi= 0.; |
| 332 |
wi=poid_lissage(0.,tet->distance_ref2,kd,tet->volume,type_lissage_densite); |
| 333 |
widensite = wi*tet->new_densite; |
| 334 |
int nbvoisin=tet->voisin2.size(); |
| 335 |
for (int j = 0 ; j<nbvoisin ; j++) |
| 336 |
{ |
| 337 |
SIMP_TETRA* tet2=tet->voisin2[j]; |
| 338 |
if (tet2->design == 1) |
| 339 |
{ |
| 340 |
double dist=tet->distance(tet2); |
| 341 |
double wj=poid_lissage(dist,tet->distance_ref2,kd,tet2->volume,type_lissage_densite); |
| 342 |
wi = wi+wj; |
| 343 |
widensite = widensite + tet2->new_densite*wj; |
| 344 |
} |
| 345 |
} |
| 346 |
tet->densite = widensite/wi; |
| 347 |
} |
| 348 |
else tet->densite=tet->new_densite; |
| 349 |
} |
| 350 |
else tet->densite=tet->new_densite; |
| 351 |
} |
| 352 |
else tet->densite=tet->new_densite; |
| 353 |
} |
| 354 |
nbiteration++; |
| 355 |
} |
| 356 |
double seuil=params.get_valeur("ro_min"); |
| 357 |
affiche((char*)" Ecriture des donnees finales"); |
| 358 |
char message[255]; |
| 359 |
sprintf(message,"%s.compliance",nometudesortie); |
| 360 |
FILE *out=fopen(message,"wt"); |
| 361 |
time_t heurefin=time(NULL); |
| 362 |
struct tm tfin = *localtime(&heurefin); |
| 363 |
fprintf(out,"*****************************************************\n"); |
| 364 |
fprintf(out," Optimisateur de topologie\n"); |
| 365 |
fprintf(out," ERICCA - UQTR\n"); |
| 366 |
fprintf(out,"*****************************************************\n"); |
| 367 |
fprintf(out," Etude : %s\n",nometude); |
| 368 |
fprintf(out," Date : %02u-%02u-%04u\n", tdebut.tm_mday, tdebut.tm_mon+1, 1900 + tdebut.tm_year); |
| 369 |
fprintf(out," Heure debut : %02u:%02u:%02u\n", tdebut.tm_hour, tdebut.tm_min, tdebut.tm_sec); |
| 370 |
fprintf(out," Heure fin : %02u:%02u:%02u\n", tfin.tm_hour, tfin.tm_min, tfin.tm_sec); |
| 371 |
fprintf(out," Parametres : \n"); |
| 372 |
int nbparam=params.get_nb(); |
| 373 |
for (int i=0;i<nbparam;i++) |
| 374 |
{ |
| 375 |
fprintf(out," %s=%lf\n",params.get_nom(i).c_str(),params.get_valeur(i)); |
| 376 |
} |
| 377 |
fprintf(out,"*****************************************************\n"); |
| 378 |
fprintf(out," Compliance après chaque itération\n"); |
| 379 |
fprintf(out,"*****************************************************\n"); |
| 380 |
for (int i=0;i<Ctotiter.size();i++) |
| 381 |
fprintf(out,"%le\n",Ctotiter[i]); |
| 382 |
double crit1=0.; |
| 383 |
double crit2=0.; |
| 384 |
double crit3=0.; |
| 385 |
double critv1[10]={0.,0.,0.,0.,0.,0.,0.,0.,0.,0.}; |
| 386 |
double critv2[10]={0.,0.,0.,0.,0.,0.,0.,0.,0.,0.}; |
| 387 |
for (int i=0;i<nbsimptet;i++) |
| 388 |
{ |
| 389 |
SIMP_TETRA* tet=lsttet[i]; |
| 390 |
if (tet->design==1) |
| 391 |
{ |
| 392 |
crit1=crit1+tet->densite*tet->volume; |
| 393 |
if (tet->densite>seuil) |
| 394 |
{ |
| 395 |
crit2=crit2+tet->densite*tet->volume; |
| 396 |
crit3=crit3+tet->volume; |
| 397 |
} |
| 398 |
for (int j=1;j<10;j++) |
| 399 |
if (tet->densite>0.1*j) |
| 400 |
{ |
| 401 |
critv1[j]=critv1[j]+tet->densite*tet->volume; |
| 402 |
critv2[j]=critv2[j]+tet->volume; |
| 403 |
} |
| 404 |
} |
| 405 |
} |
| 406 |
fprintf(out,"*****************************************************\n"); |
| 407 |
fprintf(out," Résultat\n"); |
| 408 |
fprintf(out,"*****************************************************\n"); |
| 409 |
fprintf(out,"Volume du design : %le \n",volume_design); |
| 410 |
fprintf(out,"Objectif du volume de design : %le \n",volume_design*f); |
| 411 |
fprintf(out,"Volume de design obtenu : %le \n",crit1); |
| 412 |
fprintf(out,"Volume de design obtenu avec le seuil: %le \n",crit2); |
| 413 |
fprintf(out,"Volume reel de design obtenu avec le seuil: %le \n\n",crit3); |
| 414 |
fprintf(out," : Volume : Volume reel : Objectif\n"); |
| 415 |
fprintf(out," : %le : %le : %le\n",volume_design,volume_design,volume_design); |
| 416 |
for (int j=1;j<10;j++) |
| 417 |
fprintf(out,"Volume de design obtenu avec le seuil de %.1f : %le : %le : %le \n",j*0.1,critv1[j],critv2[j],volume_design*f); |
| 418 |
fprintf(out,"*************************************************************\n"); |
| 419 |
fclose(out); |
| 420 |
LISTE_FEM_NOEUD::iterator itnoeud; |
| 421 |
int nbfemnoeud=fem->get_nb_fem_noeud(); |
| 422 |
/*double *nume=new double[nbfemnoeud]; |
| 423 |
double *deno=new double[nbfemnoeud]; |
| 424 |
int cpt=0; |
| 425 |
for (FEM_NOEUD *nd=fem->get_premier_noeud(itnoeud);nd!=NULL;nd=fem->get_suivant_noeud(itnoeud)) |
| 426 |
{ |
| 427 |
nd->change_numero(cpt); |
| 428 |
nume[cpt]=0.; |
| 429 |
deno[cpt]=0.; |
| 430 |
cpt++; |
| 431 |
}*/ |
| 432 |
sprintf(message,"%s_densite1.sol",nometudesortie); |
| 433 |
int nbsolution=gestd->get_nb_fem_solution(); |
| 434 |
for (int i=nbsolution;i>0;i--) |
| 435 |
gestd->supprimer_fem_solution_du_gestionnaire(i-1); |
| 436 |
FEM_SOLUTION* solution=new FEM_SOLUTION(fem,1,message,fem->get_nb_fem_element3(),"Optimisation",ENTITE_ELEMENT3); |
| 437 |
gestd->ajouter_fem_solution(solution); |
| 438 |
solution->change_legende(0,"Densite"); |
| 439 |
for (int i=0;i<nbsimptet;i++) |
| 440 |
{ |
| 441 |
SIMP_TETRA* tet=lsttet[i]; |
| 442 |
if (tet->design==1) |
| 443 |
if (tet->densite>seuil) |
| 444 |
((MG_TETRA*)tet->tet->get_mg_element_maillage())->change_origine(OPTIMISE); |
| 445 |
else |
| 446 |
((MG_TETRA*)tet->tet->get_mg_element_maillage())->change_origine(MAILLEUR_AUTO); |
| 447 |
solution->ecrire(i,0,tet->densite); |
| 448 |
/*for (int j=0;j<tet->tet->get_nb_fem_noeud();j++) |
| 449 |
{ |
| 450 |
FEM_NOEUD* noeud=tet->tet->get_fem_noeud(j); |
| 451 |
nume[noeud->get_numero()]=nume[noeud->get_numero()]+tet->volume*tet->densite; |
| 452 |
deno[noeud->get_numero()]=deno[noeud->get_numero()]+tet->volume; |
| 453 |
} */ |
| 454 |
} |
| 455 |
/*sprintf(message,"%s_densite2.sol",nometudesortie); |
| 456 |
FEM_SOLUTION* solution2=new FEM_SOLUTION(fem,1,message,fem->get_nb_fem_noeud(),"Optimisation",ENTITE_NOEUD); |
| 457 |
gestd->ajouter_fem_solution(solution2); |
| 458 |
solution2->change_legende(0,"Densite"); |
| 459 |
cpt=0; |
| 460 |
for (FEM_NOEUD *nd=fem->get_premier_noeud(itnoeud);nd!=NULL;nd=fem->get_suivant_noeud(itnoeud)) |
| 461 |
{ |
| 462 |
solution2->ecrire(cpt,0,nume[cpt]/deno[cpt]); |
| 463 |
cpt++; |
| 464 |
} |
| 465 |
delete [] deno; |
| 466 |
delete [] nume;*/ |
| 467 |
int nb=lsttet.size(); |
| 468 |
for (int i=0;i<nb;i++) delete lsttet[i]; |
| 469 |
} |
| 470 |
|
| 471 |
double MGOPT_SIMP::poid_lissage(double dist,double distref,double k,double volume,int type) |
| 472 |
{ |
| 473 |
double wi; |
| 474 |
if (type==0) wi=pow(distref-dist,k); |
| 475 |
if (type==1) wi=pow(distref-dist,k)*volume; |
| 476 |
if (type==2) wi=exp(-dist*dist/2./distref/distref/9.)/2./M_PI/(distref/3.); |
| 477 |
if (type==3) wi=volume*exp(-dist*dist/2./distref/distref/9.)/2./M_PI/(distref/3.); |
| 478 |
return fabs(wi); |
| 479 |
|
| 480 |
} |
| 481 |
|
| 482 |
void MGOPT_SIMP::adapte_resultat(char *nomgestd,char *nomparam) |
| 483 |
{ |
| 484 |
if (nomparam!=NULL) lire_params(nomparam); |
| 485 |
affiche((char*)""); |
| 486 |
affiche((char*)"*************************"); |
| 487 |
affiche((char*)"Optimisation de topologie"); |
| 488 |
affiche((char*)"*************************"); |
| 489 |
affiche((char*)""); |
| 490 |
affiche((char*)""); |
| 491 |
affiche((char*)"Changement du seuil dans les resultats"); |
| 492 |
double seuil=params.get_valeur("seuil"); |
| 493 |
gestd=new MG_FILE(nomgestd); |
| 494 |
FEM_MAILLAGE* fem=gestd->get_fem_maillage(0); |
| 495 |
FEM_SOLUTION* solution=gestd->get_fem_solution(0); |
| 496 |
solution->active_solution(0); |
| 497 |
LISTE_FEM_ELEMENT3::iterator it; |
| 498 |
for (FEM_ELEMENT3 *tet=fem->get_premier_element3(it);tet!=NULL;tet=fem->get_suivant_element3(it)) |
| 499 |
{ |
| 500 |
if (((MG_TETRA*)tet->get_mg_element_maillage())->get_origine()!=IMPOSE) |
| 501 |
if (tet->get_solution()>seuil) |
| 502 |
((MG_TETRA*)tet->get_mg_element_maillage())->change_origine(OPTIMISE); |
| 503 |
else |
| 504 |
((MG_TETRA*)tet->get_mg_element_maillage())->change_origine(MAILLEUR_AUTO); |
| 505 |
|
| 506 |
} |
| 507 |
affiche((char*)"Enregistrement"); |
| 508 |
gestd->enregistrer(nomgestd); |
| 509 |
affiche((char*)"Enregistrement sous GMSH"); |
| 510 |
char *p=strchr(nomgestd,'.'); |
| 511 |
strncpy(nometude,nomgestd,p-nomgestd); |
| 512 |
nometude[p-nomgestd]=0; |
| 513 |
MG_EXPORT exp; |
| 514 |
char nomfichier[500]; |
| 515 |
sprintf(nomfichier,"%s_mg",nometude); |
| 516 |
exp.gmsh(fem->get_mg_maillage(),nomfichier); |
| 517 |
sprintf(nomfichier,"%s_fem",nometude); |
| 518 |
exp.gmsh(fem,nomfichier); |
| 519 |
affiche((char*)"Fin"); |
| 520 |
} |
| 521 |
|
| 522 |
|
| 523 |
void MGOPT_SIMP::recupere_energie(vector<class SIMP_TETRA*> lsttet) |
| 524 |
{ |
| 525 |
char message[750]; |
| 526 |
sprintf(message,"%s.resu",nometude); |
| 527 |
FILE* in=fopen(message,"rt"); |
| 528 |
int fin=0; |
| 529 |
do |
| 530 |
{ |
| 531 |
char* res=fgets(message,750,in); |
| 532 |
if (feof(in)) fin=1; |
| 533 |
char mot1[100]; |
| 534 |
char mot2[100]; |
| 535 |
char mot3[100]; |
| 536 |
char mot4[100]; |
| 537 |
char mot5[100]; |
| 538 |
char mot6[100]; |
| 539 |
char mot7[100]; |
| 540 |
char mot8[100]; |
| 541 |
char mot9[100]; |
| 542 |
char mot10[100]; |
| 543 |
int numlu=sscanf(message,"%s %s %s %s %s %s %s %s %s %s",mot1,mot2,mot3,mot4,mot5,mot6,mot7,mot8,mot9,mot10); |
| 544 |
if (numlu>9) |
| 545 |
if (strcmp(mot1,"CHAMP")==0) |
| 546 |
if (strcmp(mot2,"PAR")==0) |
| 547 |
if (strcmp(mot3,"ELEMENT")==0) |
| 548 |
if (strcmp(mot4,"CONSTANT")==0) |
| 549 |
if (strcmp(mot5,"SUR")==0) |
| 550 |
if (strcmp(mot6,"ELEMENT")==0) |
| 551 |
if (strcmp(mot7,"DE")==0) |
| 552 |
if (strcmp(mot8,"NOM")==0) |
| 553 |
if (strcmp(mot9,"SYMBOLIQUE")==0) |
| 554 |
if (strcmp(mot10,"ENERGIE")==0) |
| 555 |
{ |
| 556 |
int fin2=0; |
| 557 |
int passe=0; |
| 558 |
int nbelement=0; |
| 559 |
do |
| 560 |
{ |
| 561 |
char message[750]; |
| 562 |
char* res=fgets(message,750,in); |
| 563 |
char mot1[500]; |
| 564 |
char mot2[500]; |
| 565 |
int numlu=sscanf(message,"%s %s",mot1,mot2); |
| 566 |
int decalage; |
| 567 |
if ((numlu==2) && (strcmp(mot2,"TOTALE")==0)) |
| 568 |
{ |
| 569 |
char *p=strchr(mot1,'M')+1; |
| 570 |
int num=atoi(p); |
| 571 |
if (passe==0) {passe=1;decalage=num;} |
| 572 |
char* res=fgets(message,750,in); |
| 573 |
double val; |
| 574 |
sscanf(message,"%lf",&val); |
| 575 |
lsttet[num-decalage]->energie=val; |
| 576 |
nbelement++; |
| 577 |
} |
| 578 |
if (nbelement == lsttet.size()) {fin2=1;fin=0;} |
| 579 |
} |
| 580 |
|
| 581 |
while (fin2==0); |
| 582 |
} |
| 583 |
} |
| 584 |
while (fin==0); |
| 585 |
fclose(in); |
| 586 |
} |
| 587 |
|
| 588 |
|
| 589 |
|
| 590 |
void MGOPT_SIMP::ajouter_voisin(int i,SIMP_TETRA* tet,vector<SIMP_TETRA*> &lst) |
| 591 |
{ |
| 592 |
tet->indice=i; |
| 593 |
int nbnoeud=tet->tet->get_nb_fem_noeud(); |
| 594 |
int correspondance[4]; |
| 595 |
if (nbnoeud==4) |
| 596 |
{ |
| 597 |
correspondance[0]=0; |
| 598 |
correspondance[1]=1; |
| 599 |
correspondance[2]=2; |
| 600 |
correspondance[3]=3; |
| 601 |
} |
| 602 |
if (nbnoeud==10) |
| 603 |
{ |
| 604 |
correspondance[0]=0; |
| 605 |
correspondance[1]=2; |
| 606 |
correspondance[2]=4; |
| 607 |
correspondance[3]=9; |
| 608 |
} |
| 609 |
SIMP_TETRA* tetcour=tet; |
| 610 |
int ok=0; |
| 611 |
int compteur=0; |
| 612 |
vector<SIMP_TETRA*>& lstvoisin=tet->voisin; |
| 613 |
if (tet->distance_ref<tet->distance_ref2) |
| 614 |
lstvoisin=tet->voisin2; |
| 615 |
while (ok==0) |
| 616 |
{ |
| 617 |
for (int j=0;j<4;j++) |
| 618 |
{ |
| 619 |
int num=correspondance[j]; |
| 620 |
FEM_NOEUD *noeud=tetcour->tet->get_fem_noeud(num); |
| 621 |
int nbtetra=noeud->get_lien_element3()->get_nb(); |
| 622 |
for (int k=0;k<nbtetra;k++) |
| 623 |
{ |
| 624 |
FEM_ELEMENT3* ftet=noeud->get_lien_element3()->get(k); |
| 625 |
SIMP_TETRA* stet=lst[ftet->get_numero()]; |
| 626 |
if (stet->indice!=i) |
| 627 |
{ |
| 628 |
stet->indice=i; |
| 629 |
double dist=tet->distance(stet); |
| 630 |
if (dist<tet->distance_ref) |
| 631 |
tet->voisin.insert(tet->voisin.end(),stet); |
| 632 |
if (dist<tet->distance_ref2) |
| 633 |
tet->voisin2.insert(tet->voisin2.end(),stet); |
| 634 |
} |
| 635 |
} |
| 636 |
} |
| 637 |
if (compteur>=lstvoisin.size()) ok=1; |
| 638 |
else |
| 639 |
{ |
| 640 |
tetcour=lstvoisin[compteur]; |
| 641 |
compteur++; |
| 642 |
} |
| 643 |
|
| 644 |
} |
| 645 |
|
| 646 |
} |
