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

Jean Lerbet, Oleg Kirillov, Marwa Aldowaji, Noël Challamel, François Nicot, Félix Darve

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

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.
Original languageEnglish
Pages (from-to)363-370
JournalInternational Journal of Solids and Structures
Volume50
Issue number2
DOIs
Publication statusPublished - 15 Jan 2013

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