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SIMPLIFICATION OF FINITE ELEMENT MODELS FOR STRUCTURES HAVING A BEAM-LIKE BEHAVIOUR

✍ Scribed by S. CORN; J. PIRANDA; N. BOUHADDI

Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
338 KB
Volume
232
Category
Article
ISSN
0022-460X

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✦ Synopsis

A method for simplifying "nite element models of structures having a beam-like global dynamical behaviour is presented. This method is based on the use of a general uniform beam "nite element formulation. It takes into account both transverse shear e!ects and dynamical coupling between bending and torsion due to the fact that mass centres and shear centres do not always coincide. For that purpose, we develop a condensation method for reducing any shell model into an equivalent beam, as well as a technique for automatically identifying the corresponding set of beam parameters. The method is applied to several illustrate examples that demonstrate its ability to simplify "nite element models for many kinds of sophisticated structures having a beam-like predominant behaviour.

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