Additional constraints may soften a non-conservative structural system: Buckling and vibration analysis

Lerbet, Jean, Kirillov, Oleg, Aldowaji, Marwa, Challamel, Noël, Nicot, François and Darve, Félix (2013) Additional constraints may soften a non-conservative structural system: Buckling and vibration analysis. International Journal of Solids and Structures, 50 (2). pp. 363-370. ISSN 0020-7683

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Official URL: http://dx.doi.org/10.1016/j.ijsolstr.2012.09.014

Abstract

The effect of additional kinematic constraints on eigenfrequencies of non conservative systems presenting a non symmetric stiffness matrix is investigated with the use of the second order work criterion. It is shown that there are always additional constraints that may soften structural systems, from both buckling and vibration points of view. The steps for building such constraints are given, consequences on stability are discussed and several illustrating examples are presented.

Item Type: Article
Additional Information: Open Access article
Uncontrolled Keywords: stability, vibrations, non-conservative problems, constrained systems, second-order work criterion
Subjects: G100 Mathematics
H200 Civil Engineering
Department: Faculties > Engineering and Environment > Mathematics and Information Sciences
Depositing User: Oleg Kirillov
Date Deposited: 10 Jan 2017 10:12
Last Modified: 11 Jan 2017 09:43
URI: http://nrl.northumbria.ac.uk/id/eprint/29036

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