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RESEARCH PAPERS

Longitudinal Heat Propagation in Three-Phase Laminated Composites at Low Exciting Frequencies

[+] Author and Article Information
B. Gold

Department of Mathematics, University of Massachusetts, Amherst, Mass. 01003

G. Horvay

Department of Civil Engineering, University of Massachusetts, Amherst, Mass. 01003

J. Appl. Mech 46(3), 557-562 (Sep 01, 1979) (6 pages) doi:10.1115/1.3424605 History: Received October 01, 1978; Revised January 01, 1979; Online July 12, 2010

Abstract

In order to explore the behavior of matrix-filler bilaminate MFMFM[[ellipsis]] near the interfaces it is necessary to augment it into a trilaminate MBFBMBF[[ellipsis]] arrangement (of volume fractions fM , fB , fF ), and then consider the condition that the binder layer is infinitely thin, fB → 0. In a previous paper [1] the problem was considered for high frequencies ω of the boundary temperature excitation T(0, y, t) = e−iwt χ(y), using power series representation for the eigenvalues descending in ω1/2 powers. In the first part of the present paper the low frequency regime is determined, using eigenvalue expansions in ascending powers of ω. The second part of the paper is devoted to exhibiting the interface layer as a shock layer across which there occur temperature jump and flux jump, of unexpected nature.

Copyright © 1979 by ASME
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