25th Congress of International Council of the Aeronautical Sciences, 3 - 8 September 2006, Hamburg, Germany
Paper ICAS 2006-P3.4

STUDY OF FUNDAMENTAL LAMB MODES BEHAVIOUR WITH A SHARP CHANGE OF SECTION IN A PLATE

F. Benmeddour, S. Grondel, J. Assaad
IEMN-DOAE, France

Keywords: Lamb, Ultrasonics, NDE, damages, aeronautics

To improve transport safety like aircrafts by a fast and efficient way like integrating sensors in structures, acoustical Lamb waves are used. However, they have a multimode and dispersive nature, that’s why, simplified damages and fundamental Lamb modes are analysed with a numerical method.

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