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La théorie variation des rayons complexes pour le calcul des vibrations moyennes fréquences

Arnaud, Lionel and Ladevèze, Pierre and Rouch, Philippe and Blanzé, Claude La théorie variation des rayons complexes pour le calcul des vibrations moyennes fréquences. (2000) Revue européenne de mécanique numérique, vol. 9 (n° 1-2-3). pp. 67-88. ISSN 1779-7179

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Official URL: http://dx.doi.org/10.1080/12506559.2000.10511430

Abstract

A new approach named the "Variational Theory of Complex Rays" is introduced for computing the vibrations of elastic structures weakly damped in the medium frequency range. Emphasis has been placed here on the most fundamental aspects. The effective quantities (elastic energy, vibration intensity ...) are evaluated after computing a small system of equations which does not derive from a finite element dicretization of the structure. Numerical examples related to plates show the interest and the possibilities ofthe VTRC.

Item Type:Article
Audience (journal):National peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS
Other partners > Ecole Normale Supérieure de Cachan - ENS Cachan (FRANCE)
Other partners > Université Pierre et Marie Curie, Paris 6 - UPMC (FRANCE)
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Deposited By: Lionel Arnaud

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