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Article Dans Une Revue Acoustics letters Année : 1996

Propagation of A-waves in a plane plate : An experimental study

Résumé

The propagation of the A-wave is investigated theoretically on a plane brass plate completly immersed in water or in contact with water on one side and air on the other side. The main characteristics of this wave are calculated: group and phase velocities as a function of frequency and energy distribution in a cross section of the plate. An experimental study is then exhibited for 200 mm long plane brass plates of various thicknesses (0.2, 0.1 and 0.05 mm) immersed or semi-immersed in water. Using a time frequency representation, the experimental group and phase velocities are measured versus the frequency thickness product (F.H). The experimental dispersion curves are very close to the theoretical ones.
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Dates et versions

hal-00755467 , version 1 (22-11-2012)

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  • HAL Id : hal-00755467 , version 1

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Loïc Martinez, Jean Duclos, Alain Tinel. Propagation of A-waves in a plane plate : An experimental study. Acoustics letters, 1996, 20 (6), pp. 110-120. ⟨hal-00755467⟩
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