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JOURNALS // Vestnik Moskovskogo Universiteta. Seriya 1. Matematika. Mekhanika // Archive

Vestnik Moskov. Univ. Ser. 1. Mat. Mekh., 2011 Number 3, Pages 30–36 (Mi vmumm683)

Mechanics

Elasticity theory problem in terms of displacements for a cylindrical layer with strongly different characteristic sizes

T. I. Garyaeva, D. V. Georgievskii

Lomonosov Moscow State University, Faculty of Mechanics and Mathematics

Abstract: An analysis of the principal terms of the general asymptotic expansions for the solutions to the 3D elasticity boundary value problem in terms of displacements (quasistatic case, compressibility) for a cylindrical layer is performed. A ratio of the layer thickness to the height of the cylinder is a natural asymptotic parameter. The radius of the cylinder's base can be of an arbitrary “intermediate”, including endpoints, order. Such a geometry is typical, e.g., for a cylindrical body with characteristic macro-, micro- and nanosizes in various directions.

Key words: elasticity, problem in terms of displacements, thin body, cylindrical layer, asymptotic solution, system of principal approximation.

UDC: 539.3

Received: 16.11.2009



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