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francois |
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//------------------------------------------------------------ |
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//------------------------------------------------------------ |
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// MAGiC |
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// Jean Christophe Cuilli�re et Vincent FRANCOIS |
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// D�partement de G�nie M�canique - UQTR |
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//------------------------------------------------------------ |
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// Le projet MAGIC est un projet de recherche du d�partement |
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// de g�nie m�canique de l'Universit� du Qu�bec � |
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// Trois Rivi�res |
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// Les librairies ne peuvent �tre utilis�es sans l'accord |
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// des auteurs (contact : francois@uqtr.ca) |
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//------------------------------------------------------------ |
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//------------------------------------------------------------ |
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// |
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// fem_triangle3.cpp |
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// |
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//------------------------------------------------------------ |
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//------------------------------------------------------------ |
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// COPYRIGHT 2000 |
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// Version du 02/03/2006 � 11H22 |
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//------------------------------------------------------------ |
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//------------------------------------------------------------ |
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#include "gestionversion.h" |
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#include "fem_hexa8.h" |
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#include "fem_maillage.h" |
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#include "fem_noeud.h" |
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#include "mg_element_maillage.h" |
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#include "ot_tenseur.h" |
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FEM_HEXA8::FEM_HEXA8(unsigned long num,class MG_ELEMENT_MAILLAGE* mai,class FEM_NOEUD** tabnoeud):FEM_ELEMENT3(num,mai),FEM_TEMPLATE_ELEMENT<8>(tabnoeud) |
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{ |
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if (liaison_topologique!=NULL) if (liaison_topologique->get_dimension()==2) liaison_topologique->get_lien_fem_maillage()->ajouter(this); |
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tab[0]->get_lien_element3()->ajouter(this); |
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tab[1]->get_lien_element3()->ajouter(this); |
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tab[2]->get_lien_element3()->ajouter(this); |
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tab[3]->get_lien_element3()->ajouter(this); |
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tab[4]->get_lien_element3()->ajouter(this); |
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tab[5]->get_lien_element3()->ajouter(this); |
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tab[6]->get_lien_element3()->ajouter(this); |
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tab[7]->get_lien_element3()->ajouter(this); |
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get_fem_noeudpetitid()->get_lien_petit_element3()->ajouter(this); |
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} |
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FEM_HEXA8::FEM_HEXA8(class MG_ELEMENT_MAILLAGE* mai,FEM_NOEUD** tabnoeud):FEM_ELEMENT3(mai),FEM_TEMPLATE_ELEMENT<8>(tabnoeud) |
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{ |
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if (liaison_topologique!=NULL) if (liaison_topologique->get_dimension()==2) liaison_topologique->get_lien_fem_maillage()->ajouter(this); |
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tab[0]->get_lien_element3()->ajouter(this); |
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tab[1]->get_lien_element3()->ajouter(this); |
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tab[2]->get_lien_element3()->ajouter(this); |
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tab[3]->get_lien_element3()->ajouter(this); |
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tab[4]->get_lien_element3()->ajouter(this); |
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tab[5]->get_lien_element3()->ajouter(this); |
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tab[6]->get_lien_element3()->ajouter(this); |
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tab[7]->get_lien_element3()->ajouter(this); |
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get_fem_noeudpetitid()->get_lien_petit_element3()->ajouter(this); |
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} |
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FEM_HEXA8::FEM_HEXA8(FEM_HEXA8& mdd):FEM_ELEMENT3(mdd),FEM_TEMPLATE_ELEMENT<8>(mdd) |
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{ |
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if (liaison_topologique!=NULL) if (liaison_topologique->get_dimension()==2) liaison_topologique->get_lien_fem_maillage()->ajouter(this); |
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tab[0]->get_lien_element3()->ajouter(this); |
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tab[1]->get_lien_element3()->ajouter(this); |
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tab[2]->get_lien_element3()->ajouter(this); |
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tab[3]->get_lien_element3()->ajouter(this); |
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tab[4]->get_lien_element3()->ajouter(this); |
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tab[5]->get_lien_element3()->ajouter(this); |
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tab[6]->get_lien_element3()->ajouter(this); |
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tab[7]->get_lien_element3()->ajouter(this); |
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get_fem_noeudpetitid()->get_lien_petit_element3()->ajouter(this); |
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} |
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FEM_HEXA8::~FEM_HEXA8() |
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{ |
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if (liaison_topologique==NULL) return; |
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if (liaison_topologique->get_dimension()==0) liaison_topologique->get_lien_fem_maillage()->supprimer(this); |
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tab[0]->get_lien_element3()->supprimer(this); |
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tab[1]->get_lien_element3()->supprimer(this); |
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tab[2]->get_lien_element3()->supprimer(this); |
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tab[3]->get_lien_element3()->supprimer(this); |
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tab[4]->get_lien_element3()->supprimer(this); |
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tab[5]->get_lien_element3()->supprimer(this); |
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tab[6]->get_lien_element3()->supprimer(this); |
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tab[7]->get_lien_element3()->supprimer(this); |
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get_fem_noeudpetitid()->get_lien_petit_element3()->supprimer(this); |
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} |
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FEM_ELEMENT_MAILLAGE* FEM_HEXA8::dupliquer(FEM_MAILLAGE *femmai,long decalage) |
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{ |
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FEM_NOEUD* tabnoeud[8]; |
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tabnoeud[0]=femmai->get_fem_noeudid(tab[0]->get_id()+decalage); |
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tabnoeud[1]=femmai->get_fem_noeudid(tab[1]->get_id()+decalage); |
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tabnoeud[2]=femmai->get_fem_noeudid(tab[2]->get_id()+decalage); |
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tabnoeud[3]=femmai->get_fem_noeudid(tab[3]->get_id()+decalage); |
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tabnoeud[4]=femmai->get_fem_noeudid(tab[4]->get_id()+decalage); |
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tabnoeud[5]=femmai->get_fem_noeudid(tab[5]->get_id()+decalage); |
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tabnoeud[6]=femmai->get_fem_noeudid(tab[6]->get_id()+decalage); |
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tabnoeud[7]=femmai->get_fem_noeudid(tab[7]->get_id()+decalage); |
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FEM_HEXA8* quad=new FEM_HEXA8(get_id()+decalage,maillage,tabnoeud); |
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femmai->ajouter_fem_element3(quad); |
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return quad; |
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} |
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int FEM_HEXA8::get_type_entite(void) |
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{ |
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return IDFEM_HEXA8; |
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} |
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int FEM_HEXA8::get_dimension(void) |
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{ |
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return 3; |
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} |
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int FEM_HEXA8::get_nb_fem_noeud(void) |
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{ |
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return FEM_TEMPLATE_ELEMENT<8>::get_nb_fem_noeud(); |
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} |
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FEM_NOEUD* FEM_HEXA8::get_fem_noeud(int num) |
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{ |
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return FEM_TEMPLATE_ELEMENT<8>::get_fem_noeud(num); |
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} |
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void FEM_HEXA8::change_noeud(int num,FEM_NOEUD* noeud) |
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{ |
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FEM_TEMPLATE_ELEMENT<8>::change_noeud(num,noeud); |
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} |
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BOITE_3D& FEM_HEXA8::get_boite_3D(void) |
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{ |
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return FEM_TEMPLATE_ELEMENT<8>::get_boite_3D(); |
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} |
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void FEM_HEXA8::enregistrer(std::ostream& o) |
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{ |
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if (get_lien_topologie()!=NULL) o << "%" << get_id() << "=FEM_HEXA8($"<< get_lien_topologie()->get_id() << ",$" << maillage->get_id() << ",$" << tab[0]->get_id() << ",$" << tab[1]->get_id() << ",$" << tab[2]->get_id()<< ",$" << tab[3]->get_id() << ",$" << tab[4]->get_id() << ",$" << tab[5]->get_id() << ",$" << tab[6]->get_id()<< ",$" << tab[7]->get_id()<< ");" << std::endl; |
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else o << "%" << get_id() << "=FEM_HEXA8(NULL,$" << maillage->get_id() << ",$" << tab[0]->get_id() << ",$" << tab[1]->get_id() << ",$" << tab[2]->get_id()<< ",$" << tab[3]->get_id() << ",$" << tab[4]->get_id() << ",$" << tab[5]->get_id() << ",$" << tab[6]->get_id()<< ",$" << tab[7]->get_id()<<");" << std::endl; |
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} |
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int FEM_HEXA8::nb_fonction_interpolation(void) |
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{ |
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return 8; |
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} |
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double FEM_HEXA8::get_fonction_interpolation(int num,double *uv) |
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{ |
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double val; |
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double a1=1.+uv[0],a2=1.-uv[0]; |
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double b1=1.+uv[1],b2=1.-uv[1]; |
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double c1=1.+uv[2],c2=1.-uv[2]; |
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switch (num) |
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{ |
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case 1: |
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val=0.125*a2*b2*c2; |
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break; |
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case 2: |
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val=0.125*a1*b2*c2; |
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break; |
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case 3: |
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val=0.125*a1*b1*c2; |
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break; |
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case 4: |
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val=0.125*a2*b1*c2; |
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break; |
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case 5: |
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val=0.125*a2*b2*c1; |
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break; |
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case 6: |
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val=0.125*a1*b2*c1; |
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break; |
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case 7: |
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val=0.125*a1*b1*c1; |
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break; |
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case 8: |
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val=0.125*a2*b1*c1; |
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break; |
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} |
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return val; |
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} |
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double FEM_HEXA8::get_fonction_derive_interpolation(int num,int num_variable,double *uv) |
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{ |
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double val; |
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double a1=1.+uv[0],a2=1.-uv[0]; |
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double b1=1.+uv[1],b2=1.-uv[1]; |
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double c1=1.+uv[2],c2=1.-uv[2]; |
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switch (num) |
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{ |
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case 1: |
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switch (num_variable) |
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{ |
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case 1: |
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val=-0.125*b2*c2; |
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break; |
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case 2: |
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val=-0.125*a2*c2; |
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break; |
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case 3: |
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val=-0.125*a2*b2; |
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break; |
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} break; |
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case 2: |
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switch (num_variable) |
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{ |
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case 1: |
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val=0.125*b2*c2; |
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break; |
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case 2: |
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val=-0.125*a1*c2; |
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break; |
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case 3: |
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val=-0.125*a1*b2; |
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break; |
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} break; |
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case 3: |
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switch (num_variable) |
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{ |
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case 1: |
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val=0.125*b1*c2; |
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break; |
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case 2: |
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val=0.125*a1*c2; |
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break; |
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case 3: |
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val=-0.125*a1*b1; |
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break; |
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} break; |
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case 4: |
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switch (num_variable) |
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{ |
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case 1: |
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val=-0.125*b1*c2; |
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break; |
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case 2: |
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val=0.125*a2*c2; |
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break; |
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case 3: |
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val=-0.125*a2*b1; |
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break; |
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} break; |
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case 5: |
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switch (num_variable) |
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{ |
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case 1: |
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val=-0.125*b2*c1; |
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break; |
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case 2: |
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val=-0.125*a2*c1; |
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break; |
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case 3: |
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val=0.125*a2*b2; |
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break; |
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} break; |
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case 6: |
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switch (num_variable) |
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{ |
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case 1: |
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val=0.125*b2*c1; |
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break; |
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case 2: |
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val=-0.125*a1*c1; |
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break; |
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case 3: |
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val=0.125*a1*b2; |
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break; |
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} break; |
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case 7: |
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switch (num_variable) |
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{ |
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case 1: |
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val=0.125*b1*c1; |
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break; |
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case 2: |
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val=0.125*a1*c1; |
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break; |
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case 3: |
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val=0.125*a1*b1; |
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break; |
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} break; |
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case 8: |
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switch (num_variable) |
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{ |
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case 1: |
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val=-0.125*b1*c1; |
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break; |
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case 2: |
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val=0.125*a2*c1; |
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break; |
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case 3: |
| 299 |
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val=0.125*a2*b1; |
| 300 |
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break; |
| 301 |
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} break; |
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} |
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return val; |
| 304 |
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} |
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| 306 |
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double FEM_HEXA8::get_jacobien(double* jac,double *uv,int& li,int& col,double unite) |
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{ |
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li=3;col=3; |
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OT_TENSEUR Ni(3,8),Xi(8,3); |
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for (int i=0;i<3;i++) |
| 311 |
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for (int j=0;j<8;j++) |
| 312 |
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Ni(i,j)=get_fonction_derive_interpolation(j+1,i+1,uv); |
| 313 |
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for (int i=0;i<8;i++) |
| 314 |
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{ |
| 315 |
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double *xyz=tab[i]->get_coord(); |
| 316 |
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Xi(i,0)=xyz[0]*unite; |
| 317 |
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Xi(i,1)=xyz[1]*unite; |
| 318 |
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Xi(i,2)=xyz[2]*unite; |
| 319 |
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} |
| 320 |
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OT_TENSEUR jacobi=Ni*Xi; |
| 321 |
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jac[0]=jacobi(0,0).get_x(); |
| 322 |
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jac[1]=jacobi(0,1).get_x(); |
| 323 |
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jac[2]=jacobi(0,2).get_x(); |
| 324 |
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jac[3]=jacobi(1,0).get_x(); |
| 325 |
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jac[4]=jacobi(1,1).get_x(); |
| 326 |
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jac[5]=jacobi(1,2).get_x(); |
| 327 |
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jac[6]=jacobi(2,0).get_x(); |
| 328 |
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jac[7]=jacobi(2,1).get_x(); |
| 329 |
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jac[8]=jacobi(2,2).get_x(); |
| 330 |
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double det=jac[0]*jac[4]*jac[8]+jac[3]*jac[7]*jac[2]+jac[6]*jac[1]*jac[5]-jac[2]*jac[4]*jac[6]-jac[5]*jac[7]*jac[0]-jac[8]*jac[1]*jac[3]; |
| 331 |
|
|
return det; |
| 332 |
|
|
|
| 333 |
|
|
} |
| 334 |
|
|
|
| 335 |
|
|
void FEM_HEXA8::get_inverse_jacob(double* j,double *uv,double unite) |
| 336 |
|
|
{ |
| 337 |
|
|
double jac[9]; |
| 338 |
|
|
int li,col; |
| 339 |
|
|
double detj=get_jacobien(jac,uv,li,col,unite); |
| 340 |
|
|
j[0*3+0] = (jac[1*3+1]*jac[2*3+2]-jac[1*3+2]*jac[2*3+1])/(detj); |
| 341 |
|
|
j[0*3+1] = -(jac[0*3+1]*jac[2*3+2]-jac[0*3+2]*jac[2*3+1])/(detj); |
| 342 |
|
|
j[0*3+2] =-(-jac[0*3+1]*jac[1*3+2]+jac[0*3+2]*jac[1*3+1])/(detj); |
| 343 |
|
|
|
| 344 |
|
|
j[1*3+0] = -(jac[1*3+0]*jac[2*3+2]-jac[1*3+2]*jac[2*3+0])/(detj); |
| 345 |
|
|
j[1*3+1] = (jac[0*3+0]*jac[2*3+2]-jac[0*3+2]*jac[2*3+0])/(detj); |
| 346 |
|
|
j[1*3+2] = -(jac[0*3+0]*jac[1*3+2]-jac[0*3+2]*jac[1*3+0])/(detj); |
| 347 |
|
|
|
| 348 |
|
|
j[2*3+0] =-(-jac[1*3+0]*jac[2*3+1]+jac[1*3+1]*jac[2*3+0])/(detj); |
| 349 |
|
|
j[2*3+1] = -(jac[0*3+0]*jac[2*3+1]-jac[0*3+1]*jac[2*3+0])/(detj); |
| 350 |
|
|
j[2*3+2] = (jac[0*3+0]*jac[1*3+1]-jac[0*3+1]*jac[1*3+0])/(detj); |
| 351 |
|
|
|
| 352 |
|
|
} |
