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RESEARCH PAPERS

Free Vibration of Thin-Walled Open Section Beams With Unconstrained Damping Treatment

[+] Author and Article Information
S. Narayanan

Department of Aeronautical Engineering, Indian Institute of Technology, Kanpur, Kanpur-208016, India

J. P. Verma

Indian Institute of Technology, Kanpur, Kanpur-208016, India

A. K. Mallik

Department of Mechanical Engineering, Indian Institute of Technology, Kanpur, Kanpur-208016, India

J. Appl. Mech 48(1), 169-173 (Mar 01, 1981) (5 pages) doi:10.1115/1.3157561 History: Received November 01, 1979; Revised May 01, 1980; Online July 21, 2009

Abstract

Free-vibration characteristics of a thin-walled, open cross-section beam, with unconstrained damping layers at the flanges, are investigated. Both uncoupled transverse vibration and the coupled bending-torsion oscillations, of a beam of a top-hat section, are considered. Numerical results are presented for natural frequencies and modal loss factors of simply supported and clamped-clamped beams.

Copyright © 1981 by ASME
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