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Quelques aspects pratiques de la méthode des Eléments Finis - Inria

Quelques aspects pratiques de la méthode des Eléments Finis - Inria

Quelques aspects pratiques de la méthode des Eléments Finis - Inria

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Structure d’un programme <strong>Eléments</strong> <strong>Finis</strong>Etape 3 : Calcul et assemb<strong>la</strong>ge du second membre : F I = l(w I )F = 0Pour l = 1, Nbre_triangles (boucle sur les triangles)Pour i = 1, Nbre_ddls_triangleCalcul <strong>de</strong> F li = l(τ l i )I = Num_ddl(l, i)F I = F I + F liFin boucle iFin boucle lRemarque : Il existe une métho<strong>de</strong> plus simple (cf. TP) lorsque∫l(v) = f(x) v(x) dxΩH. Haddar (ENSTA) Cours MA201, Séance 5 ENSTA 2006 15 / 28

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