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JOURNALS // Sibirskie Èlektronnye Matematicheskie Izvestiya [Siberian Electronic Mathematical Reports] // Archive

Sib. Èlektron. Mat. Izv., 2016 Volume 13, Pages 26–37 (Mi semr654)

This article is cited in 5 papers

Differentical equations, dynamical systems and optimal control

Junction problem for Euler–Bernoulli and Timoshenko elastic beams

N. V. Neustroevaab, N. P. Lazarevb

a Lavrentyev Institute of Hydrodynamics of the Russian Academy of Sciences, 15 Lavrentyev pr., 630090, Novosibirsk, Russia
b North-Eastern Federal University, Kulakovskogo, 48, 677000, Yakutsk, Russia

Abstract: In this paper, we consider à junction problem for the system Euler–Bernoulli and Timoshenko elastic beams and à contact problem for the two connecting beams. Unique solvability of these problems is proved. Under the assumption that solutions are smooth we find the corresponding differential formulations of the initial variational problems. In particular junction conditions on the border of bonding interface obtained. The analytical solution for a beams with a cut is given.

Keywords: junction conditions, variational problems, Timoshenko beam, Euler–Bernoulli beam, crack.

UDC: 539.3

MSC: 74J65

Received October 5, 2015, published February 5, 2016

DOI: 10.17377/semi.2016.12.003



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