158 lines
6.3 KiB
C++
158 lines
6.3 KiB
C++
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// This file is part of the Herezh++ application.
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//
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// The finite element software Herezh++ is dedicated to the field
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// of mechanics for large transformations of solid structures.
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// It is developed by Gérard Rio (APP: IDDN.FR.010.0106078.000.R.P.2006.035.20600)
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// INSTITUT DE RECHERCHE DUPUY DE LÔME (IRDL) <https://www.irdl.fr/>.
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//
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// Herezh++ is distributed under GPL 3 license ou ultérieure.
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//
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// Copyright (C) 1997-2021 Université Bretagne Sud (France)
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// AUTHOR : Gérard Rio
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// E-MAIL : gerardrio56@free.fr
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License,
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// or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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//
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// For more information, please consult: <https://herezh.irdl.fr/>.
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#include "TreloarN.h"
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#include "MathUtil.h"
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#include "ComLoi_comp_abstraite.h"
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# include <iostream>
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using namespace std; //introduces namespace std
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#include <math.h>
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#include <stdlib.h>
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#include "Sortie.h"
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TreloarN::TreloarN () : // Constructeur par defaut
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Hyper3DN(TRELOAR,CAT_MECANIQUE), K(0.), C(0.)
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{};
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// Constructeur de copie
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TreloarN::TreloarN (const TreloarN& loi) :
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Hyper3DN (loi), K(loi.K), C(loi.C)
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{};
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// Lecture des donnees de la classe sur fichier
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void TreloarN::LectureDonneesParticulieres (UtilLecture * entreePrinc,LesCourbes1D& lesCourbes1D
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,LesFonctions_nD& lesFonctionsnD)
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{ // lecture des quatres coefficients de la loi
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*(entreePrinc->entree) >> K >> C ;
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// appel au niveau de la classe mère
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Loi_comp_abstraite::Lecture_type_deformation_et_niveau_commentaire
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(*entreePrinc,lesFonctionsnD);
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};
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// affichage de la loi
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void TreloarN::Affiche() const
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{ cout << " \n loi de comportement 3D hyperélastique isotrope de Treloar : " << Nom_comp(id_comp)
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<< " paramètres : \n";
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cout << " K= " << K << " ; C = " << C ;
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cout << endl;
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// appel de la classe mère
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Loi_comp_abstraite::Affiche_don_classe_abstraite();
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};
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// affichage et definition interactive des commandes particulières à chaques lois
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void TreloarN::Info_commande_LoisDeComp(UtilLecture& entreePrinc)
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{ ofstream & sort = *(entreePrinc.Commande_pointInfo()); // pour simplifier
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sort << "\n# ....... loi de comportement 3D hyperélastique isotrope de Treloar ........"
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<< "\n#-------------------------"
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<< "\n# K | C |"
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<< "\n#-------------------------"
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<< "\n 160000 150 "
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<< endl;
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// appel de la classe mère
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Loi_comp_abstraite::Info_commande_don_LoisDeComp(entreePrinc);
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};
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// test si la loi est complete
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int TreloarN::TestComplet()
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{ int ret = LoiAbstraiteGeneral::TestComplet();
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if ((K == 0.) && (C == 0.) )
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{ cout << " \n Les paramètres ne sont pas défini pour la loi " << Nom_comp(id_comp)
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<< '\n';
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ret = 0;
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}
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return ret;
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};
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//----- lecture écriture de restart -----
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// cas donne le niveau de la récupération
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// = 1 : on récupère tout
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// = 2 : on récupère uniquement les données variables (supposées comme telles)
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void TreloarN::Lecture_base_info_loi(ifstream& ent,const int cas,LesReferences& lesRef,LesCourbes1D& lesCourbes1D
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,LesFonctions_nD& lesFonctionsnD)
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{ string toto;
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if (cas == 1) {ent >> toto >> K >> toto >> C;};
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// appel class mère
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Loi_comp_abstraite::Lecture_don_base_info(ent,cas,lesRef,lesCourbes1D,lesFonctionsnD);
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};
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// cas donne le niveau de sauvegarde
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// = 1 : on sauvegarde tout
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// = 2 : on sauvegarde uniquement les données variables (supposées comme telles)
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void TreloarN::Ecriture_base_info_loi(ofstream& sort,const int cas)
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{ if (cas == 1)
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{sort << "TRELOAR" << " compressibilite " << K << " coef Treloar " << C ;}
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// appel de la classe mère
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Loi_comp_abstraite::Ecriture_don_base_info(sort,cas);
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};
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// =========== METHODES Protégées dérivant de virtuelles : ==============
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// calcul du potentiel et de ses dérivées premières
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void TreloarN::Potentiel( double& jacobien_0,double& Ieps,double& V,double& bIIb,
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double& E,double& EV,double& EbIIb,double& EIeps)
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{
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double V43 = pow(V,4./3);
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double logV = log(V); double log2V = logV * logV ; double untiers = 1. / 3. ;
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// le potentiel
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E = jacobien_0 * (C *( V43 * (3.-4.* Ieps + 4.* untiers * Ieps * Ieps - 4. * bIIb) - 3)
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+ V * log2V * K * 0.5) ;
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// les variations premières
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EIeps = jacobien_0 * C * V43 *(-4. + 8.* untiers * Ieps);
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EbIIb = -4. * jacobien_0 * C * V43;
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EV = 4. * untiers * jacobien_0 * C * pow(V,untiers) + 0.5 * K * log2V + K * logV;
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};
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// calcul du potentiel et de ses dérivées premières et secondes
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void TreloarN::Potentiel_et_var(double& jacobien_0,double& Ieps,double& V,double& bIIb,
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double& E,double& EV,double& EbIIb,double& EIeps ,
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double& EVV,double& EbIIb2,double& EIeps2,
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double& EVbIIb,double& EVIeps,double& EbIIbIeps )
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{
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double V43 = pow(V,4./3);
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double logV = log(V); double log2V = logV * logV ; double untiers = 1. / 3. ;
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double V13 = pow(V,untiers);
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// le potentiel
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E = jacobien_0 * (C *( V43 * (3.-4.* Ieps + 4.* untiers * Ieps * Ieps - 4. * bIIb) - 3)
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+ V * log2V * K * 0.5) ;
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// les variations premières
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EIeps = jacobien_0 * C * V43 *(-4. + 8.* untiers * Ieps);
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EbIIb = -4. * jacobien_0 * C * V43;
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EV = 4. * untiers * jacobien_0 * C * V13 + 0.5 * K * log2V + K * logV;
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// les variations secondes
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EIeps2 = 8. * jacobien_0 * C * V43 * Ieps * untiers ;
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EbIIbIeps = 0.;
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EVIeps = 4. * jacobien_0 * C * V13 *(-4. + 8. * untiers * Ieps )* untiers ;
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EbIIb2 = 0.;
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EVbIIb = -16. * jacobien_0 * C * V13 * untiers ;
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EVV = 4. * jacobien_0 * C * untiers * untiers /(V13 *V13) + K/V * (logV + 1.) ;
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};
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