Analysis of Acoustoelastic Systems Using Modal Bond Graphs

[+] Author and Article Information
B. Samanta, A. Mukherjee

Department of Mechanical Engineering, Indian Institute of Technology, Kharagpur–721 302, India

J. Dyn. Sys., Meas., Control 112(1), 108-115 (Mar 01, 1990) (8 pages) doi:10.1115/1.2894126 History: Received April 15, 1987; Revised July 11, 1988; Online March 17, 2008


A procedure is presented to study the dynamics of acoustoelastic systems within the framework of bond graph technique. The substructures, acoustic and structural, are modeled individually in form of bond graphs that are coupled through suitable elements satisfying the conditions at the interfaces. From this bond graph a second stage modal decomposition is performed to represent the overall system in yet another bond graph that can be analyzed to obtain the overall system dynamics. The scope for two-stage modal truncation makes the procedure suitable for analyzing acoustoelastic systems that are “stiff” in nature due to the wide range of their natural frequencies. The procedure is illustrated by suitable examples.

Copyright © 1990 by The American Society of Mechanical Engineers
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