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RESEARCH PAPERS

The Mechanics of Ferroelastic Plates in a Uniform Magnetic Field

[+] Author and Article Information
F. Moon

Department of Aerospace and Mechanical Sciences, Princeton University, Princeton, N. J.

J. Appl. Mech 37(1), 153-158 (Mar 01, 1970) (6 pages) doi:10.1115/1.3408424 History: Received September 13, 1968; Revised April 28, 1969; Online July 12, 2010

Abstract

The stability and vibration of two-dimensional ferroelastic plates in a uniform, static oblique magnetic field are investigated. It is shown that for either clamped or simply supported boundary conditions, the plate remains either undeformed or unstable. Buckling instability is found to occur only when the field is near normal to the plate. The buckling magnetic field and frequency field dispersion relation is found for a simply supported circular plate. At near-normal field incidence the lowest mode plate frequency decreases with magnetic field. Otherwise an increase in field strength is found to increase the natural frequency. The propagation of transverse waves down an infinite simply supported panel in a magnetic field is also studied.

Copyright © 1970 by ASME
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