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JOURNALS // Proceedings of National Academy of Sciences of Armenia, Mechanics // Archive

Proceedings of National Academy of Sciences of Armenia, Mechanics, 2017, Volume 70, Issue 1, Pages 3–21 (Mi pasam19)

On space dynamic problems of plates and shells

L. A. Agalovyan

Institute of Mechanics, National Academy of Sciences of Armenia

Abstract: Forced harmonic vibrations of orthotropic plates are investigated. Asimptotic solutions of space dynamic three classes of problems are found. Cases, when the solution of the outer (inner) problem becomes mathematically exact, are noted, the solution of the boundary layer is built. It is denoted that all the values, particularly, the normal displacement, strictly depend on the transverse coordinate, which casts doubt on the applicability of the hypotheses of classical theory of plates in dynamic problems, as by the hypotheses acceptance the character of the vibration process on the transverse coordinate distorts.

Keywords: plate, forced vibrations, resonance, asymptotic solution, boundary layer.



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