Prediction of Time-Varying Vibroacoustic Energy Using a New Energy Approach

[+] Author and Article Information
F. Sui, M. N. Ichchou

Laboratoire de Tribologie et Dynamique des Systèmes, Département de Mécanique des Solides, Génie Mécanique et Génie Civil, École Centrale de Lyon, Ecully Cedex, France

J. Vib. Acoust 126(2), 184-189 (May 04, 2004) (6 pages) doi:10.1115/1.1687399 History: Received October 01, 2002; Revised April 01, 2003; Online May 04, 2004
Copyright © 2004 by ASME
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Grahic Jump Location
Characteristic of new energy equation
Grahic Jump Location
The initial energy density
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Beam subjected to a transverse unit impulse
Grahic Jump Location
Prediction of time history of energy density at l=0.6 L. [[dotted_line]], exact result; –, new energy equation; [[dot_dash_line]], diffusion equation.
Grahic Jump Location
Prediction of pass-time by TLEA energy equation
Grahic Jump Location
SRS comparison among three methods




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