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Strongly coupled stress waves in heterogeneous plates. (1972)

Wang, A. S. D. ; Rose, J. L. ; Chou, P. C.

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Publication Date: 2011-08-16

Description: Consideration of coupled stress waves generated by an impulsive load applied at one end of a semiinfinite plate. For the field equations governing the one-dimensional coupled waves a hyperbolic system of equations is obtained in which a strong coupling in the second derivatives exists. The method of characteristics described by Chou and Mortimer (1967) is extended to cover the case of strong coupling, and a study is made of the transient stress waves in a semiinfinite plate subjected to an initial step input. Coupled discontinuity fronts are found to propagate at different velocities. The normal plate stress and the bending moment at different time regimes are illustrated by graphs.

Keywords: STRUCTURAL MECHANICS

Type: AIAA Journal; 10; Aug. 197

Format: text

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