Analyse numérique d'un modèle de coques de Koiter discrétisé en base cartésienne par eléments finis DKT
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(2) INSTITUT NATIONAL DE RECHERCHE EN INFORMATIQUE ET EN AUTOMATIQUE. Analyse Num´erique d’un Mod`ele de Coques de Koiter discr´etis´e en base cart´esienne par El´ements Finis DKT Patrick Le Tallec , Saloua Mani. N ˚ 3073 D´ecembre 1996 ` THEME 4. ISSN 0249-6399. apport de recherche.
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un script (ou une fonction) scilab donnant la solution exacte et la solution num´ erique donn´ ee par le sch´ ema
Résumé — Cet article propose et analyse une formulation vanationnelle du problème de coque de Kotter dans laquelle le déplacement est exprimé puis discrétisé en base cartésienne
V´ erifier qu’avec un sch´ ema centr´ e d’ordre deux, on obtient un syst` eme lin´ eaire ` a r´ esoudre avec la mˆ eme matrice K h (` a un coefficient multiplicatif pr` es)
L’appellation “´el´ements finis de Lagrange” veut dire que toute fonction de l’espace V h est caract´eris´ee pas ses valeurs ponctuelles (ses degr´es de libert´e) aux noeuds