[Gmsh] Décomposition d'un solide en deux entités - problème de maillage (French + english message)

David Colignon David.Colignon at ulg.ac.be
Wed Nov 23 17:16:20 CET 2005


Bonjour,

tes surfaces 79 et 119 se recouvrent partiellement. Tu dois définir 
explicitement leur intersection, la surface qui est délimitée par les 
lignes 21, 52, 44 et 53

Dave

--
David Colignon, Ph.D.
ELAP - Service d'Electricité Appliquée
Institut Montefiore B28
Université de Liège
4000 LIEGE - BELGIQUE
Tél: +32 (0)4 366 37 32
Fax: +32 (0)4 366 29 10
http://elap.montefiore.ulg.ac.be


Gaétan GREGOIRE wrote:
> Bonjour à tous / hi all.
> 
>  
> 
> J’ai une question à propos de la décomposition de solides en différentes 
> entités. Chacune des deux entités que j’ai défini peut être maillée 
> séparémment, mais ensemble beaucoup de messages d’erreurs apparaissent 
> et il n’y a pas de maillage.
> 
>  
> 
> Quelle commande me manque-t’il ?
> 
>  
> 
> Merci d’avance pour votre patience.
> 
>  
> 
> Voici le contenu du fichier .geo :
> 
>  
> 
> /I have a question about decomposition of several physical entities. 
> Each physical entity in my example can be easily meshed without the 
> other part, but I can’t mesh these two entities together./
> 
> / /
> 
> /What command line is missing, please ?/
> 
> / /
> 
> /Thanks by advance for your help. I included the content of the .geo file:/
> 
>  
> 
>  
> 
> //////////////////////////////////////////////////////////////
> 
> // Maillage du panneau - GMSH version 1.2
> 
> //////////////////////////////////////////////////////////////
> 
>  
> 
> // Variables
> 
> //////////////////////////////////////////////////////////////
> 
>  
> 
> // Espace avant commencer
> 
> Rint= 0;
> 
>  
> 
> // Hauteur du panneau
> 
> H= 1.06;
> 
>  
> 
> // Largeur du panneau béton
> 
> L= 1;
> 
>  
> 
> // Epaisseur du panneau béton
> 
> e= 0.02;
> 
>  
> 
> // Débord
> 
> D= 0.078;
> 
>  
> 
> // hauteur fixation - jambe de force
> 
> Lf1= 0.760;
> 
>  
> 
> //Largeur de fixation - jambe de force
> 
> Lf2= 0.450;
> 
>  
> 
> // diamètre JdF
> 
> D2= 0.05;
> 
>  
> 
> // Epaisseur JdF
> 
> e2= 0.015;
> 
>  
> 
> // Distance fond du panneau/fixation JdF
> 
> H2=0.03;
> 
>  
> 
> // Modélisation des 2 structures
> 
> //////////////////////////////////////////////////////////////
> 
>  
> 
> // Points, panneau
> 
> Point(1) = {Rint,0,-L/2,1};
> 
> Point(2) = {Rint,0,L/2,1};
> 
> Point(3) = {Rint,H-e,L/2,1};
> 
> Point(4) = {Rint,H-e,-L/2,1};
> 
> Point(5) = {Rint+e,e,-L/2,1};
> 
> Point(6) = {Rint+e,e,L/2,1};
> 
> Point(7) = {Rint+e,H-e,L/2,1};
> 
> Point(8) = {Rint+e,H-e,-L/2,1};
> 
> Point(9) = {Rint+e,e,-e,1};
> 
> Point(10) = {Rint+e,e,e,1};
> 
> Point(11) = {Rint+e,H-e,e,1};
> 
> Point(12) = {Rint+e,H-e,-e,1};
> 
> Point(13) = {Rint+D,e,-e,1};
> 
> Point(14) = {Rint+D,e,e,1};
> 
> Point(15) = {Rint+D,H-e,e,1};
> 
> Point(16) = {Rint+D,H-e,-e,1};
> 
> Point(17) = {Rint+D,H-e,-L/2,1};
> 
> Point(18) = {Rint+D,H-e,L/2,1};
> 
> Point(19) = {Rint+D,H,-L/2,1};
> 
> Point(20) = {Rint+D,H,L/2,1};
> 
> Point(21) = {Rint,H,-L/2,1};
> 
> Point(22) = {Rint,H,L/2,1};
> 
> Point(23) = {Rint+D,0,-L/2,1};
> 
> Point(24) = {Rint+D,0,L/2,1};
> 
> Point(25) = {Rint+D,e,-L/2,1};
> 
> Point(26) = {Rint+D,e,L/2,1};
> 
>  
> 
> // Points, JdF
> 
> Point(27) = {Rint+H2+Lf2-D2/2,0,e,1};
> 
> Point(28) = {Rint+H2+Lf2-D2/2,0,e+e2,1};
> 
> Point(29) = {Rint+H2+Lf2+D2/2,0,e,1};
> 
> Point(30) = {Rint+H2+Lf2+D2/2-e2,0,e+e2,1};
> 
> Point(31) = {Rint+H2,Lf1-D2/2,e,1};
> 
> Point(32) = {Rint+H2,Lf1-D2/2,e+e2,1};
> 
> Point(33) = {Rint+H2,Lf1+D2/2,e,1};
> 
> Point(34) = {Rint+H2,Lf1+D2/2-e2,e+e2,1};
> 
> Point(35) = {D,Lf1+D2/2-Lf1*(D-H2)/Lf2,e,1};
> 
> Point(36) = {D,Lf1-D2/2-Lf1*(D-H2)/Lf2,e,1};
> 
> Point(37) = {Rint+H2,Lf1+D2/2-e2,e+D2,1};
> 
> Point(38) = {Rint+H2,Lf1+D2/2,e+D2,1};
> 
> Point(39) = {Rint+H2+Lf2+D2/2,0,e+D2,1};
> 
> Point(40) = {Rint+H2+Lf2+D2/2-e2,0,e+D2,1};
> 
>  
> 
> // Lignes, panneau
> 
> Line(1) = {1,23};
> 
> Line(2) = {5,9};
> 
> Line(3) = {24,2};
> 
> Line(4) = {2,1};
> 
> Line(5) = {1,21};
> 
> Line(6) = {21,22};
> 
> Line(7) = {22,20};
> 
> Line(8) = {20,18};
> 
> Line(9) = {18,7};
> 
> Line(10) = {7,6};
> 
> Line(11) = {19,17};
> 
> Line(12) = {17,8};
> 
> Line(13) = {8,5};
> 
> Line(14) = {6,10};
> 
> Line(15) = {10,14};
> 
> Line(17) = {13,9};
> 
> Line(18) = {13,16};
> 
> Line(19) = {16,12};
> 
> Line(20) = {12,9};
> 
> Line(21) = {14,15};
> 
> Line(22) = {15,11};
> 
> Line(23) = {2,22};
> 
> Line(24) = {10,11};
> 
> Line(25) = {21,19};
> 
> Line(26) = {8,12};
> 
> Line(27) = {7,11};
> 
> Line(28) = {17,16};
> 
> Line(29) = {19,20};
> 
> Line(30) = {23,24};
> 
> Line(31) = {23,25};
> 
> Line(32) = {25,13};
> 
> Line(33) = {24,26};
> 
> Line(34) = {6,26};
> 
> Line(35) = {5,25};
> 
> Line(37) = {15,18};
> 
> Line(39) = {14,26};
> 
>  
> 
> // Lignes, JdF
> 
> Line(40) = {27,29};
> 
> Line(42) = {30,28};
> 
> Line(43) = {28,27};
> 
> Line(44) = {33,31};
> 
> Line(46) = {32,34};
> 
> Line(50) = {30,34};
> 
> Line(51) = {28,32};
> 
> Line(52) = {33,29};
> 
> Line(53) = {31,27};
> 
> Line(56) = {31,32};
> 
> Line(57) = {34,37};
> 
> Line(58) = {37,38};
> 
> Line(59) = {38,33};
> 
> Line(60) = {29,39};
> 
> Line(61) = {39,40};
> 
> Line(62) = {40,30};
> 
> Line(64) = {38,39};
> 
> Line(65) = {37,40};
> 
>  
> 
> // Surfaces, panneau
> 
> Line Loop(78) = {24,-22,-21,-15};
> 
> Plane Surface(79) = {78};
> 
> Line Loop(80) = {17,-20,-19,-18};
> 
> Plane Surface(81) = {80};
> 
> Line Loop(82) = {22,-27,-9,-37};
> 
> Plane Surface(83) = {82};
> 
> Line Loop(84) = {7,8,9,10,34,-33,3,23};
> 
> Plane Surface(85) = {84};
> 
> Line Loop(86) = {14,15,39,-34};
> 
> Plane Surface(87) = {86};
> 
> Line Loop(88) = {17,-2,35,32};
> 
> Plane Surface(89) = {88};
> 
> Line Loop(90) = {1,31,-35,-13,-12,-11,-25,-5};
> 
> Plane Surface(91) = {90};
> 
> Line Loop(92) = {28,19,-26,-12};
> 
> Plane Surface(93) = {92};
> 
> Line Loop(94) = {29,-7,-6,25};
> 
> Plane Surface(95) = {94};
> 
> Line Loop(96) = {6,-23,4,5};
> 
> Plane Surface(97) = {96};
> 
> Line Loop(98) = {4,1,30,3};
> 
> Plane Surface(99) = {98};
> 
> Line Loop(100) = {21,37,-8,-29,11,28,-18,-32,-31,30,33,-39};
> 
> Plane Surface(101) = {100};
> 
> Line Loop(102) = {26,20,-2,-13};
> 
> Plane Surface(103) = {102};
> 
> Line Loop(104) = {14,24,-27,10};
> 
> Plane Surface(105) = {104};
> 
>  
> 
> // Surfaces, JdF
> 
> Line Loop(106) = {59,44,56,46,57,58};
> 
> Plane Surface(107) = {106};
> 
> Line Loop(108) = {52,60,-64,59};
> 
> Plane Surface(109) = {108};
> 
> Line Loop(110) = {62,50,57,65};
> 
> Plane Surface(111) = {110};
> 
> Line Loop(112) = {56,-51,43,-53};
> 
> Plane Surface(113) = {112};
> 
> Line Loop(114) = {65,-61,-64,-58};
> 
> Plane Surface(115) = {114};
> 
> Line Loop(116) = {46,-50,42,51};
> 
> Plane Surface(117) = {116};
> 
> Line Loop(118) = {40,-52,44,53};
> 
> Plane Surface(119) = {118};
> 
> Line Loop(120) = {62,42,43,40,60,61};
> 
> Plane Surface(121) = {120};
> 
>  
> 
> // Volume, panneau
> 
> Surface Loop(200) = {101,79,-105,87,85,95,97,-99,91,89,-81,-103,-93,83};
> 
> Volume(201) = {200};
> 
>  
> 
> // Volume, JdF
> 
> Surface Loop(202) = {111,-121,117,-107,109,119,113,-115};
> 
> Volume(203) = {202};
> 
>  
> 
> // Sauvegarde des entités des 2 structures
> 
> //////////////////////////////////////////////////////////////
> 
>  
> 
> // Panneau
> 
> Physical Surface(1000) = {79};
> 
> Physical Surface(1001) = {81};
> 
> Physical Surface(1002) = {83};
> 
> Physical Surface(1003) = {85};
> 
> Physical Surface(1004) = {87};
> 
> Physical Surface(1005) = {89};
> 
> Physical Surface(1006) = {91};
> 
> Physical Surface(1007) = {93};
> 
> Physical Surface(1008) = {95};
> 
> Physical Surface(1009) = {97};
> 
> Physical Surface(1010) = {99};
> 
> Physical Surface(1011) = {101};
> 
> Physical Surface(1012) = {103};
> 
> Physical Surface(1013) = {105};
> 
> Physical Volume(2000) = {201};
> 
>  
> 
> // JdF
> 
> Physical Surface(1100) = {107};
> 
> Physical Surface(1101) = {109};
> 
> Physical Surface(1102) = {111};
> 
> Physical Surface(1103) = {113};
> 
> Physical Surface(1104) = {115};
> 
> Physical Surface(1105) = {117};
> 
> Physical Surface(1106) = {119};
> 
> Physical Surface(1107) = {121};
> 
> Physical Volume(2100) = {203};
> 
>  
> 
> // Ensemble
> 
> Physical Volume(2200) = {201,203};
> 
>  
> 
> // Caractéristiques du mesh
> 
> //////////////////////////////////////////////////////////////
> 
> Mesh.CharacteristicLengthFactor= 0.05;
> 
>  
> 
>  
> 
>  
> 
> **Gaétan GREGOIRE**
> 
> Responsable Recherche & Développement
> 
> -------------------------------------------------------------------------------------------
> 
> *Groupe ATLANTIS*
> 
> /Parc d'activité du Baconnet/
> 
> /69700 Montagny - France/
> 
> Tél/fax: +33 (0) 4 72 49 17 42
> 
> Mél: g.gregoire.atlantis at groupeatlantis.com 
> <mailto:g.gregoire.atlantis at groupeatlantis.com>
> 
> -------------------------------------------------------------------------------------------
> 
>  
> 
> 
> ------------------------------------------------------------------------
> 
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