Télécharger topoptim_07.dgibi

Retour à la liste

Numérotation des lignes :

  1. * fichier topoptim_07.dgibi
  2. ************************************************************************
  3. ************************************************************************
  4.  
  5. ************************************************************************
  6. ** Topology optimization of of a simple 2D structure subjected to a
  7. ** mechanical loading, with a circular periodicity restriction.
  8. **
  9. ** Author:
  10. ** Guenhael Le Quilliec (LaMe - Polytech Tours)
  11. **
  12. ** Version:
  13. ** V1.0 2017/04/18 Original version compatible with TOPOPTIM V2.1
  14. ************************************************************************
  15.  
  16. * General options
  17. OPTI 'DIME' 2 'MODE' 'PLAN' 'CONT' 'ELEM' QUA4 ;
  18. OPTI 'TRAC' 'PSC' ;
  19.  
  20. * Mesh
  21. nelr0 = 20 ;
  22. nelt0 = 60 ;
  23. p0 = 0.0 0.0 ;
  24. p1 = 20.0 0.0 ;
  25. p2 = 60.0 0.0 ;
  26. lgn1 = LIGN nelt0 p0 p1 360.0 'ROTA' ;
  27. lgn2 = LIGN nelt0 p0 p2 360.0 'ROTA' ;
  28. msh0 = lgn1 REGL nelr0 lgn2 ;
  29. ELIM msh0 1.0e-9 ;
  30.  
  31. * Model and material
  32. mod0 = MODE msh0 'MECANIQUE' 'ELASTIQUE' ;
  33. mat0 = MATE mod0 'YOUN' 210.0e9 'NU' 0.3 ;
  34.  
  35. * Boundary conditions and loading
  36. bc0 = BLOQ 'DEPL' lgn1 ;
  37. load0 = FORC (0.0 -1.0) p2 ;
  38.  
  39. * Finite element model table
  40. mdl0 = TABL ;
  41. mdl0.'MODELE' = mod0 ;
  42. mdl0.'CARACTERISTIQUES' = mat0 ;
  43. mdl0.'BLOCAGES_MECANIQUES' = bc0 ;
  44. mdl0.'CHARGEMENT' = load0 ;
  45.  
  46. * Optimization table
  47. tab0 = TABL ;
  48. tab0.'RESOLUTION_LINEAIRE' = mdl0 ;
  49. tab0.'FRACTION_VOLUME' = 0.5 ;
  50. tab0.'RESTRICTIONS' = TABL ;
  51. tab0.'RESTRICTIONS'.(1) = TABL ;
  52. tab0.'RESTRICTIONS'.(1).'TYPE' = MOT 'PERIODICITE_CIRCULAIRE' ;
  53. tab0.'RESTRICTIONS'.(1).'PERIODES' = 3 ;
  54. tab0.'RESTRICTIONS'.(1).'POIN1' = p0 ;
  55.  
  56. * Optimization
  57. TOPOPTIM tab0 ;
  58.  
  59. * Plot to screen
  60. topo0 = tab0.'TOPOLOGIE'.(tab0.'CYCLE') ;
  61. topomsh0 = tab0.'MAILLAGE'.(tab0.'CYCLE') ;
  62. TRAC (REDU topo0 topomsh0) (REDU mod0 topomsh0)
  63. (PROG 0.0 'PAS' (1.0 / 56.0) 1.0) ;
  64.  
  65. FIN ;
  66.  
  67.  
  68.  
  69.  

© Cast3M 2003 - Tous droits réservés.
Mentions légales