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RESEARCH PAPERS: Basic Vibrations Papers

Asymmetric Free Vibrations of Layered Conical Shells

[+] Author and Article Information
K. Chandrasekaran

College of Engineering, Perarignar Anna University of Technology, Madras-600025, India

V. Ramamurti

Department of Applied Mechanics, Indian Institute of Technology, Madras-600036, India

J. Mech. Des 104(2), 453-462 (Apr 01, 1982) (10 pages) doi:10.1115/1.3256367 History: Received May 22, 1981; Online November 17, 2009

Abstract

Asymmetric free vibrations of layered truncated conical shells are studied. Individual layers made of special orthotropic materials and both symmetric and asymmetric stacking with respect to the middle surface are considered. An energy-method based on the Rayleigh-Ritz procedure is employed. The influence of layer arrangements and that of the coupling between bending and stretching on the natural frequencies and mode-shapes are analyzed. Experimental results from tests on two shell models are provided for comparison with theoretical predictions. Numerical results based on extensive parametric studies are presented.

Copyright © 1982 by ASME
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