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Unified Dispersion Characteristics of Structural Acoustic Waveguides

Sarkar, Abhijit and Kunte, MV and Sonti, Venkata R (2011) Unified Dispersion Characteristics of Structural Acoustic Waveguides. In: Computer Modeling in Engineering and Sciences (CMES), 81 (3-4). pp. 249-267.

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Official URL: http://www.techscience.com/cmes/2011/v81n3_index.h...


In this article, we show with some formalism that infinite flexible structural acoustic waveguides have a general form for the dispersion equation. The dispersion equation of all such waveguides should conform to a generic form. This allows us to bring out the common features of structural acoustic waveguides. We take three examples to demonstrate this fact, namely, the rectangular, the circular cylindrical and the elliptical geometries. Where necessary, the equations are simplified for applicability to a particular frequency-regime before demonstrating the conformance to the generic form of the dispersion relation. It is then shown that the coupled wavenumber solutions of all these systems can be represented on a single schematic.

Item Type: Journal Article
Keywords: structural acoustic waveguide;dispersion characteristics; unification
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Depositing User: Id for Latest eprints
Date Deposited: 21 May 2012 12:36
Last Modified: 21 May 2012 12:36
URI: http://eprints.iisc.ac.in/id/eprint/44188

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