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Analyse Non Lineaire des Structures


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structures et non linearité :

Prof. F. FREY B. REBORA EPFL

les trois cause de la non linearités sont :

1/la non linearité materielle

2/la non linearité geometrique

3/la non linearité aux conditions aux limites

Enfin, il faut remarquer que les imperfections des structures industrielles provo-quent le plus souvent

• l'apparition prématurée du comportement non linéaire,

• l'interaction des non-linéarités, de sorte que la structure se comporte souvent de manière légèrement non linéaire dés le début de sa mise en charge (exemple: colonne en acier composée soudée).

http://www.2shared.com/file/3437589/ec2 ... E9_3d.html

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