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JOURNALS // Vestnik Samarskogo Universiteta. Estestvenno-Nauchnaya Seriya // Archive

Vestnik SamU. Estestvenno-Nauchnaya Ser., 2020 Volume 26, Issue 2, Pages 63–69 (Mi vsgu630)

This article is cited in 1 paper

Mechanics

Dynamic problem for a thin-walled bar with a monosymmetric profile

T. B. Elekina, E. S. Vronskaya

Samara State Technical University, Samara, Russian Federation

Abstract: The paper presents an analytical solution to the dynamic problem for a thin-walled elastic rod, the cross-section of which has one axis of symmetry. The solution is constructed for an arbitrary dynamic load and two types of boundary conditions: hinged support in constrained torsion and free warping of the end sections of the rod; rigid fastening with constrained torsion and absence of warping. The peculiarity of the mathematical model lies in the fact that the differential equations of motion contain a complete system of inertial terms. Spectral expansions obtained as a result of using the method of integral transformations are represented as an effective method for solving linear non-stationary problems in mechanics. The structural algorithm of the method of finite multicomponent integral transformations proposed by Yu.E. Senitsky is used.

Keywords: thin-walled bar, symmetric profile, boundary value problem, dynamic load, natural vibrations, natural vibration frequency, forced vibrations, integral transformations.

UDC: 534.113

Received: 15.01.2020
Revised: 30.01.2020
Accepted: 25.05.2020

DOI: 10.18287/2541-7525-2020-26-2-63-69



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