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JOURNALS // Izvestiya of Saratov University. Mathematics. Mechanics. Informatics // Archive

Izv. Saratov Univ. Math. Mech. Inform., 2014 Volume 14, Issue 1, Pages 99–103 (Mi isu493)

This article is cited in 1 paper

Mechanics

The loading parameters calculation of a hollow sphere at the large elastocreep deformations

E. V. Murashkin

Institute for Problems in Mechanics of RAS, 101-1, Vernadskogo ave., 119526, Moscow, Russia

Abstract: We presented a model of large elastocreep deformations. Separation of Almansi strain tensor is determined by the quadratic form of reversible and irreversible components. We consider spherically symmetric deformation of a hollow sphere in the steady creep process. Numerical solution of boundary-value problem was obtained. A method for determining loading force on the deformed state was proposed. Functions of the external loading force according to the laws of a given change in the displacement field were constructed.

Key words: large deformation, creep, relaxation, elasticity.

UDC: 539.274

DOI: 10.18500/1816-9791-2014-14-1-99-103



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