Issue
J. Phys. IV France
Volume 04, Number C5, Mai 1994
3ème Congrés français d'acoustique
3rd French conference on acoustics
Page(s) C5-873 - C5-876
DOI https://doi.org/10.1051/jp4:19945190
3ème Congrés français d'acoustique
3rd French conference on acoustics

J. Phys. IV France 04 (1994) C5-873-C5-876

DOI: 10.1051/jp4:19945190

Conversion de modes de Lamb à l'extrémité d'une plaque immergée

M. ECH-CHERIF EL-KETTANI, P. PAREIGE and F. LUPPÉ

LAUE, URA 1373 du CNRS, Université du Havre, place Robert Schuman, 76610 Le Havre, France


Abstract
This paper deals with an experimental study of the conversion of an incident Lamb wave on the extremity of an immersed plate. This wave gives rise to one or several different Lamb waves propagating in the opposite direction. The converted waves are observed only after a distance from the end of the plate. Non guided waves are also observed backward in the plate. An interpretation is proposed, based on the description of Lamb waves by the Debye series.



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