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VIBRATION OF STIFFENED PLATES USING HIERARCHICAL TRIGONOMETRIC FUNCTIONS

✍ Scribed by MICHEL BARRETTE; ALAIN BERRY; OLIVIER BESLIN

Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
279 KB
Volume
235
Category
Article
ISSN
0022-460X

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✦ Synopsis

The vibration analysis of sti!ened plates using hierarchical "nite elements with a set of local trigonometric interpolation functions is presented. The local functions extend on the plate domain comprised between consecutive sti!eners, thereby allowing a coarse discretization of the global structure. Convergence studies as well as comparison of the present approach with the literature and experimental results are presented. The great numerical stability of the trigonometric functions and their readiness for symbolic manipulations make them potentially attractive for vibration and sound radiation analysis in the mid-frequency range.

2000 Academic Press

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