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A hierarchic 3D finite element for laminated composites

✍ Scribed by Guido Kuhlmann; Raimund Rolfes

Publisher: John Wiley and Sons
Year: 2004
Tongue: English
Weight: 424 KB
Volume: 61
Category: Article
ISSN: 0029-5981
DOI: 10.1002/nme.1060

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✦ Synopsis

Abstract

In this paper a new 3D multilayer element is presented for analysis of thick‐walled laminated composites. This element uses two steps to calculate the full stress tensor. In the first step the in‐plane stresses are computed from the material law using a displacement approximation, and then the transverse stresses are calculated from the 3D equilibrium equations. Since the 3D equilibrium equations require high‐order interpolation functions, a hierarchic interpolation of displacements is used. The new element is compared with existing ones, e.g. from MSC.MARC. Copyright © 2004 John Wiley & Sons, Ltd.

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