| 1 |
foucault |
27 |
//------------------------------------------------------------
|
| 2 |
|
|
//------------------------------------------------------------
|
| 3 |
|
|
// MAGiC
|
| 4 |
|
|
// Jean Christophe Cuillière et Vincent FRANCOIS
|
| 5 |
|
|
// Département de Génie Mécanique - UQTR
|
| 6 |
|
|
//------------------------------------------------------------
|
| 7 |
|
|
// Le projet MAGIC est un projet de recherche du département
|
| 8 |
|
|
// de génie mécanique de l'Université du Québec à
|
| 9 |
|
|
// Trois Rivières
|
| 10 |
|
|
// Les librairies ne peuvent être utilisées sans l'accord
|
| 11 |
|
|
// des auteurs (contact : francois@uqtr.ca)
|
| 12 |
|
|
//------------------------------------------------------------
|
| 13 |
|
|
//------------------------------------------------------------
|
| 14 |
|
|
//
|
| 15 |
|
|
// mailleur1d.cpp
|
| 16 |
|
|
//
|
| 17 |
|
|
//------------------------------------------------------------
|
| 18 |
|
|
//------------------------------------------------------------
|
| 19 |
|
|
// COPYRIGHT 2000
|
| 20 |
|
|
// Version du 02/03/2006 à 11H23
|
| 21 |
|
|
//------------------------------------------------------------
|
| 22 |
|
|
//------------------------------------------------------------
|
| 23 |
|
|
|
| 24 |
|
|
|
| 25 |
|
|
#include "gestionversion.h"
|
| 26 |
|
|
#include <math.h>
|
| 27 |
|
|
#include <vector>
|
| 28 |
|
|
#include "CAD4FE_mailleur1d.h"
|
| 29 |
|
|
|
| 30 |
|
|
#include "CAD4FE_MCNode.h"
|
| 31 |
|
|
#include "CAD4FE_MCSegment.h"
|
| 32 |
|
|
#include "CAD4FE_MCEdge.h"
|
| 33 |
|
|
#include "CAD4FE_MCVertex.h"
|
| 34 |
|
|
#include "CAD4FE_PolyCurve.h"
|
| 35 |
|
|
//#include "affiche.h"
|
| 36 |
|
|
//#include "message.h"
|
| 37 |
|
|
#include <fstream>
|
| 38 |
|
|
|
| 39 |
|
|
using namespace CAD4FE;
|
| 40 |
|
|
|
| 41 |
|
|
struct integrale
|
| 42 |
|
|
{
|
| 43 |
|
|
double ti;
|
| 44 |
|
|
double li;
|
| 45 |
|
|
};
|
| 46 |
|
|
|
| 47 |
|
|
|
| 48 |
|
|
MAILLEUR1D::MAILLEUR1D(MG_MAILLAGE* mgmai,MG_GEOMETRIE *mggeo,MCEdge* __mcEdge,FCT_TAILLE* fct_taille):MAILLEUR(),mg_maillage(mgmai),mg_geometrie(mggeo),mcEdge(__mcEdge),metrique(fct_taille),debug(0)
|
| 49 |
|
|
{
|
| 50 |
|
|
}
|
| 51 |
|
|
|
| 52 |
|
|
|
| 53 |
|
|
|
| 54 |
|
|
MAILLEUR1D::~MAILLEUR1D()
|
| 55 |
|
|
{
|
| 56 |
|
|
}
|
| 57 |
|
|
|
| 58 |
|
|
MG_SOMMET * MAILLEUR1D::IsPointInRefVertex(PolyCurve * __polycurve, double __nodeCoord[3], double __relativeTolerance)
|
| 59 |
|
|
{
|
| 60 |
|
|
int nbRefV=__polycurve->GetRefEdgeCount();
|
| 61 |
|
|
double sqAbsoluteTolerance = __relativeTolerance*__polycurve->get_longueur();
|
| 62 |
|
|
sqAbsoluteTolerance *= sqAbsoluteTolerance;
|
| 63 |
|
|
OT_VECTEUR_3D xNode(__nodeCoord);
|
| 64 |
|
|
int i;
|
| 65 |
|
|
for (i=0;i<nbRefV;i++)
|
| 66 |
|
|
{
|
| 67 |
|
|
OT_VECTEUR_3D xRefVertex(0,0,0);
|
| 68 |
|
|
MG_SOMMET * vertex = __polycurve->GetRefVertex(i);
|
| 69 |
|
|
vertex->get_point()->evaluer(xRefVertex);
|
| 70 |
|
|
OT_VECTEUR_3D dx = xRefVertex-xNode;
|
| 71 |
|
|
double sqdistNodeToVertex = dx.get_longueur2();
|
| 72 |
|
|
if (sqdistNodeToVertex < sqAbsoluteTolerance)
|
| 73 |
|
|
{
|
| 74 |
|
|
return vertex;
|
| 75 |
|
|
}
|
| 76 |
|
|
}
|
| 77 |
|
|
return NULL;
|
| 78 |
|
|
}
|
| 79 |
|
|
|
| 80 |
|
|
void MAILLEUR1D::maille()
|
| 81 |
|
|
{
|
| 82 |
foucault |
64 |
// If this edge is a point isolated in a face, then quit
|
| 83 |
|
|
if (mcEdge->GetPolyCurve()->get_longueur() == 0)
|
| 84 |
|
|
return;
|
| 85 |
|
|
|
| 86 |
foucault |
27 |
int creation_metrique=0;
|
| 87 |
|
|
if (metrique==NULL)
|
| 88 |
|
|
{
|
| 89 |
|
|
metrique=new FCT_TAILLE_ARETE(epsilon,distance_maximale,mcEdge);
|
| 90 |
|
|
creation_metrique=1;
|
| 91 |
|
|
}
|
| 92 |
|
|
|
| 93 |
|
|
/* calcul de la longueur de la arete dans la metrique */
|
| 94 |
|
|
double t1=mcEdge->get_cosommet1()->get_t();
|
| 95 |
|
|
double t2=mcEdge->get_cosommet2()->get_t();
|
| 96 |
|
|
if ((t2<t1+0.0001)&&(mcEdge->get_courbe()->est_periodique())) t2=t2+mcEdge->get_courbe()->get_periode();
|
| 97 |
|
|
|
| 98 |
|
|
std::vector<integrale> tab_integrale;
|
| 99 |
|
|
double ti,tii,t;
|
| 100 |
|
|
double longueur_metrique=0.;
|
| 101 |
|
|
tii=t1;
|
| 102 |
|
|
double dt=0.001;
|
| 103 |
|
|
do
|
| 104 |
|
|
{
|
| 105 |
|
|
refresh();
|
| 106 |
|
|
double coefficient_metrique_ti[9];
|
| 107 |
|
|
double coefficient_metrique_tii[9];
|
| 108 |
|
|
double coefficient_metrique_derive_ti[9];
|
| 109 |
|
|
ti=tii;
|
| 110 |
|
|
tii=ti+(t2-t1)*dt;
|
| 111 |
|
|
if (tii>t2) tii=t2;
|
| 112 |
|
|
|
| 113 |
|
|
#define ON_A_ABANDONNE_ET_ON_PREND_DT_EGALE_T2_MOINS_T1_DIVISE_PAR_1000
|
| 114 |
|
|
#ifndef ON_A_ABANDONNE_ET_ON_PREND_DT_EGALE_T2_MOINS_T1_DIVISE_PAR_1000
|
| 115 |
|
|
int bon_dt=0;
|
| 116 |
|
|
do
|
| 117 |
|
|
{
|
| 118 |
|
|
tii=ti+(t2-t1)*dt;
|
| 119 |
|
|
if (tii>t2) tii=t2;
|
| 120 |
|
|
double ddxyz[3];
|
| 121 |
|
|
double dxyz[3];
|
| 122 |
|
|
double xyz[3];
|
| 123 |
|
|
double dxyzii[3];
|
| 124 |
|
|
double xyzii[3];
|
| 125 |
|
|
mcEdge->deriver_seconde(ti,ddxyz,dxyz,xyz);
|
| 126 |
|
|
mcEdge->evaluer(tii,xyzii);
|
| 127 |
|
|
mcEdge->deriver(tii,dxyzii);
|
| 128 |
|
|
if (creation_metrique)
|
| 129 |
|
|
{
|
| 130 |
|
|
metrique->evaluer(&ti,coefficient_metrique_ti);
|
| 131 |
|
|
metrique->evaluer(&tii,coefficient_metrique_tii);
|
| 132 |
|
|
metrique->deriver(&ti,coefficient_metrique_derive_ti);
|
| 133 |
|
|
}
|
| 134 |
|
|
else
|
| 135 |
|
|
{
|
| 136 |
|
|
metrique->evaluer(xyz,coefficient_metrique_ti);
|
| 137 |
|
|
metrique->evaluer(xyzii,coefficient_metrique_tii);
|
| 138 |
|
|
metrique->deriver(xyz,coefficient_metrique_derive_ti);
|
| 139 |
|
|
}
|
| 140 |
|
|
double facteur1=dxyz[0]*dxyz[0]*coefficient_metrique_ti[0]+dxyz[0]*dxyz[1]*coefficient_metrique_ti[3]+dxyz[0]*dxyz[2]*coefficient_metrique_ti[6]+dxyz[1]*dxyz[0]*coefficient_metrique_ti[1]+dxyz[1]*dxyz[1]*coefficient_metrique_ti[4]+dxyz[1]*dxyz[2]*coefficient_metrique_ti[7]+dxyz[2]*dxyz[0]*coefficient_metrique_ti[2]+dxyz[2]*dxyz[1]*coefficient_metrique_ti[4]+dxyz[2]*dxyz[2]*coefficient_metrique_ti[8];
|
| 141 |
|
|
double facteur2=ddxyz[0]*dxyz[0]*coefficient_metrique_ti[0]+dxyz[0]*ddxyz[0]*coefficient_metrique_ti[0]+dxyz[0]*dxyz[0]*coefficient_metrique_derive_ti[0]+
|
| 142 |
|
|
ddxyz[0]*dxyz[1]*coefficient_metrique_ti[3]+dxyz[0]*ddxyz[1]*coefficient_metrique_ti[3]+dxyz[0]*dxyz[1]*coefficient_metrique_derive_ti[3]+
|
| 143 |
|
|
ddxyz[0]*dxyz[2]*coefficient_metrique_ti[6]+dxyz[0]*ddxyz[2]*coefficient_metrique_ti[6]+dxyz[0]*dxyz[2]*coefficient_metrique_derive_ti[6]+
|
| 144 |
|
|
ddxyz[1]*dxyz[0]*coefficient_metrique_ti[1]+dxyz[1]*ddxyz[0]*coefficient_metrique_ti[1]+dxyz[1]*dxyz[0]*coefficient_metrique_derive_ti[1]+
|
| 145 |
|
|
ddxyz[1]*dxyz[1]*coefficient_metrique_ti[4]+dxyz[1]*ddxyz[1]*coefficient_metrique_ti[4]+dxyz[1]*dxyz[1]*coefficient_metrique_derive_ti[4]+
|
| 146 |
|
|
ddxyz[1]*dxyz[2]*coefficient_metrique_ti[7]+dxyz[1]*ddxyz[2]*coefficient_metrique_ti[7]+dxyz[1]*dxyz[2]*coefficient_metrique_derive_ti[7]+
|
| 147 |
|
|
ddxyz[2]*dxyz[0]*coefficient_metrique_ti[2]+dxyz[2]*ddxyz[0]*coefficient_metrique_ti[2]+dxyz[2]*dxyz[0]*coefficient_metrique_derive_ti[2]+
|
| 148 |
|
|
ddxyz[2]*dxyz[1]*coefficient_metrique_ti[4]+dxyz[2]*ddxyz[1]*coefficient_metrique_ti[4]+dxyz[2]*dxyz[1]*coefficient_metrique_derive_ti[4]+
|
| 149 |
|
|
ddxyz[2]*dxyz[2]*coefficient_metrique_ti[8]+dxyz[2]*ddxyz[2]*coefficient_metrique_ti[8]+dxyz[2]*dxyz[2]*coefficient_metrique_derive_ti[8];
|
| 150 |
|
|
double facteur3=dxyzii[0]*dxyzii[0]*coefficient_metrique_tii[0]+dxyzii[0]*dxyzii[1]*coefficient_metrique_tii[3]+dxyzii[0]*dxyzii[2]*coefficient_metrique_tii[6]+dxyzii[1]*dxyzii[0]*coefficient_metrique_tii[1]+dxyzii[1]*dxyzii[1]*coefficient_metrique_tii[4]+dxyzii[1]*dxyzii[2]*coefficient_metrique_tii[7]+dxyzii[2]*dxyzii[0]*coefficient_metrique_tii[2]+dxyzii[2]*dxyzii[1]*coefficient_metrique_tii[4]+dxyzii[2]*dxyzii[2]*coefficient_metrique_tii[8];
|
| 151 |
|
|
double residu=fabs(sqrt(facteur3)-sqrt(facteur1)-1./2./sqrt(facteur1)*facteur2*(tii-ti));
|
| 152 |
|
|
//if (residu>0.01) dt=dt/2.; else {dt=dt*2;bon_dt=1;}
|
| 153 |
|
|
//if (dt<1e-4) {dt=1e-4;bon_dt=1;}
|
| 154 |
|
|
//if (dt>0.25) {dt=0.25;bon_dt=1;}
|
| 155 |
|
|
bon_dt=1;
|
| 156 |
|
|
|
| 157 |
|
|
}
|
| 158 |
|
|
while (bon_dt!=1);
|
| 159 |
|
|
#endif // ON_A_ABANDONNE_ET_ON_PREND_DT_EGALE_T2_MOINS_T1_DIVISE_PAR_1000
|
| 160 |
|
|
|
| 161 |
|
|
t=0.7886751345*ti+0.2113248654*tii;
|
| 162 |
|
|
double coord[3];
|
| 163 |
|
|
double coefficient_metrique[9];
|
| 164 |
|
|
mcEdge->deriver(t,coord);
|
| 165 |
|
|
if (creation_metrique) metrique->evaluer(&t,coefficient_metrique);
|
| 166 |
|
|
else
|
| 167 |
|
|
{
|
| 168 |
|
|
double xyz[3];
|
| 169 |
|
|
mcEdge->evaluer(t,xyz);
|
| 170 |
|
|
metrique->evaluer(xyz,coefficient_metrique);
|
| 171 |
|
|
}
|
| 172 |
|
|
double facteur1=coord[0]*coord[0]*coefficient_metrique[0]+coord[0]*coord[1]*coefficient_metrique[3]+coord[0]*coord[2]*coefficient_metrique[6]+coord[1]*coord[0]*coefficient_metrique[1]+coord[1]*coord[1]*coefficient_metrique[4]+coord[1]*coord[2]*coefficient_metrique[7]+coord[2]*coord[0]*coefficient_metrique[2]+coord[2]*coord[1]*coefficient_metrique[4]+coord[2]*coord[2]*coefficient_metrique[8];
|
| 173 |
|
|
longueur_metrique=longueur_metrique+0.5*(tii-ti)*sqrt(facteur1);
|
| 174 |
|
|
t=0.7886751345*tii+0.2113248654*ti;
|
| 175 |
|
|
mcEdge->deriver(t,coord);
|
| 176 |
|
|
if (creation_metrique) metrique->evaluer(&t,coefficient_metrique);
|
| 177 |
|
|
else
|
| 178 |
|
|
{
|
| 179 |
|
|
double xyz[3];
|
| 180 |
|
|
mcEdge->evaluer(t,xyz);
|
| 181 |
|
|
metrique->evaluer(xyz,coefficient_metrique);
|
| 182 |
|
|
}
|
| 183 |
|
|
facteur1=coord[0]*coord[0]*coefficient_metrique[0]+coord[0]*coord[1]*coefficient_metrique[3]+coord[0]*coord[2]*coefficient_metrique[6]+coord[1]*coord[0]*coefficient_metrique[1]+coord[1]*coord[1]*coefficient_metrique[4]+coord[1]*coord[2]*coefficient_metrique[7]+coord[2]*coord[0]*coefficient_metrique[2]+coord[2]*coord[1]*coefficient_metrique[4]+coord[2]*coord[2]*coefficient_metrique[8];
|
| 184 |
|
|
longueur_metrique=longueur_metrique+0.5*(tii-ti)*sqrt(facteur1);
|
| 185 |
|
|
integrale pas;
|
| 186 |
|
|
pas.ti=ti;
|
| 187 |
|
|
pas.li=longueur_metrique;
|
| 188 |
|
|
tab_integrale.insert(tab_integrale.end(),pas);
|
| 189 |
|
|
}
|
| 190 |
|
|
while (tii<t2);
|
| 191 |
|
|
int nombre_de_segment=(int)floor(longueur_metrique);
|
| 192 |
|
|
if (longueur_metrique-floor(longueur_metrique)>0.5) nombre_de_segment++;
|
| 193 |
|
|
if (nombre_de_segment<1) nombre_de_segment=1;
|
| 194 |
|
|
|
| 195 |
|
|
/* discretisation */
|
| 196 |
|
|
|
| 197 |
|
|
double valeur_cible=longueur_metrique/nombre_de_segment;
|
| 198 |
|
|
int bon_noeud=0;
|
| 199 |
|
|
int numnoeud=0;
|
| 200 |
|
|
MCNode* noeud_depart;
|
| 201 |
|
|
while (bon_noeud==0)
|
| 202 |
|
|
{
|
| 203 |
|
|
noeud_depart=(MCNode*)mcEdge->get_cosommet1()->get_sommet()->get_lien_maillage()->get(numnoeud);
|
| 204 |
|
|
MG_NOEUD* noeudtemp=mg_maillage->get_mg_noeudid(noeud_depart->get_id());
|
| 205 |
|
|
if (noeudtemp==NULL) numnoeud++; else bon_noeud=1;
|
| 206 |
|
|
}
|
| 207 |
|
|
bon_noeud=0;
|
| 208 |
|
|
numnoeud=0;
|
| 209 |
|
|
MCNode* noeud_arrivee;
|
| 210 |
|
|
while (bon_noeud==0)
|
| 211 |
|
|
{
|
| 212 |
|
|
noeud_arrivee=(MCNode*)mcEdge->get_cosommet2()->get_sommet()->get_lien_maillage()->get(numnoeud);
|
| 213 |
|
|
MG_NOEUD* noeudtemp=mg_maillage->get_mg_noeudid(noeud_arrivee->get_id());
|
| 214 |
|
|
if (noeudtemp==NULL) numnoeud++; else bon_noeud=1;
|
| 215 |
|
|
}
|
| 216 |
|
|
|
| 217 |
|
|
|
| 218 |
|
|
|
| 219 |
|
|
MCNode* noeud_precedent=noeud_depart;
|
| 220 |
|
|
|
| 221 |
|
|
int nb_segment_cree=0;
|
| 222 |
|
|
int nb_pas_integrale=tab_integrale.size();
|
| 223 |
|
|
for (int i=0;i<nb_pas_integrale;i++)
|
| 224 |
|
|
{
|
| 225 |
|
|
while ((tab_integrale[i].li>(nb_segment_cree+1)*valeur_cible) && (nb_segment_cree<nombre_de_segment-1))
|
| 226 |
|
|
{
|
| 227 |
|
|
refresh();
|
| 228 |
|
|
double ti=tab_integrale[i].ti;
|
| 229 |
|
|
double tii=t2;
|
| 230 |
|
|
double li=0.;
|
| 231 |
|
|
if (i!=0) li=tab_integrale[i-1].li;
|
| 232 |
|
|
double lii=tab_integrale[i].li;
|
| 233 |
|
|
if (i!=nb_pas_integrale-1) tii=tab_integrale[i+1].ti;
|
| 234 |
|
|
t=ti+(tii-ti)/(lii-li)*((nb_segment_cree+1)*valeur_cible-li);
|
| 235 |
|
|
double coo[3];
|
| 236 |
|
|
mcEdge->evaluer(t,coo);
|
| 237 |
|
|
|
| 238 |
|
|
// arete de référence
|
| 239 |
|
|
MG_ARETE * nouveau_noeud_refEdge = NULL;
|
| 240 |
|
|
// parametre de l'arete de reference
|
| 241 |
|
|
double nouveau_noeud_refEdgeT = 0, Parameter_SToRefEdgeDerT;
|
| 242 |
|
|
mcEdge->GetPolyCurve()->Parameter_SToRefEdgeT(t,&nouveau_noeud_refEdge, &nouveau_noeud_refEdgeT, &Parameter_SToRefEdgeDerT, false);
|
| 243 |
|
|
// reference topology mapping
|
| 244 |
|
|
MCNode * nouveau_noeud = NULL;
|
| 245 |
|
|
MG_SOMMET * refVertex = IsPointInRefVertex(mcEdge->GetPolyCurve(),coo,1E-6);
|
| 246 |
|
|
if (refVertex == NULL)
|
| 247 |
|
|
{
|
| 248 |
|
|
nouveau_noeud = new MCNode(mcEdge,nouveau_noeud_refEdge,nouveau_noeud_refEdgeT,coo);
|
| 249 |
|
|
}
|
| 250 |
|
|
else
|
| 251 |
|
|
{
|
| 252 |
|
|
nouveau_noeud = new MCNode(mcEdge,refVertex,coo[0],coo[1],coo[2]);
|
| 253 |
|
|
}
|
| 254 |
|
|
mg_maillage->ajouter_mg_noeud(nouveau_noeud);
|
| 255 |
|
|
// création d'un segment de MC arête (arête composite)
|
| 256 |
|
|
MCSegment * nouveau_segment = new MCSegment (mcEdge,noeud_precedent,nouveau_noeud);
|
| 257 |
|
|
|
| 258 |
|
|
mg_maillage->ajouter_mg_segment(nouveau_segment);
|
| 259 |
|
|
noeud_precedent=nouveau_noeud;
|
| 260 |
|
|
nb_segment_cree++;
|
| 261 |
|
|
|
| 262 |
|
|
}
|
| 263 |
|
|
}
|
| 264 |
|
|
|
| 265 |
|
|
MCSegment * nouveau_segment = new MCSegment (mcEdge,noeud_precedent,noeud_arrivee);
|
| 266 |
|
|
|
| 267 |
|
|
mg_maillage->ajouter_mg_segment(nouveau_segment);
|
| 268 |
|
|
|
| 269 |
|
|
if (debug)
|
| 270 |
|
|
{
|
| 271 |
|
|
char fichierProgression1D [1024];
|
| 272 |
|
|
sprintf(fichierProgression1D, "%s%s", "c:\\temp\\void", "_1D.mai");
|
| 273 |
|
|
ofstream o3(fichierProgression1D,ios::out|ios::trunc);
|
| 274 |
|
|
o3.precision(16);
|
| 275 |
|
|
o3.setf(ios::showpoint);
|
| 276 |
|
|
mg_maillage->enregistrer_sous_mesh_1D(o3);
|
| 277 |
|
|
}
|
| 278 |
|
|
|
| 279 |
|
|
if (creation_metrique==1)
|
| 280 |
|
|
{
|
| 281 |
|
|
delete metrique;
|
| 282 |
|
|
metrique=NULL;
|
| 283 |
|
|
}
|
| 284 |
|
|
|
| 285 |
|
|
}
|
| 286 |
|
|
|
| 287 |
|
|
|
| 288 |
|
|
|
| 289 |
|
|
|
| 290 |
|
|
|
| 291 |
|
|
|
| 292 |
|
|
|
