Qualitative criteria for dynamic buckling of imperfection sensitive nonconservative systems

Kounadis, AN

dc.contributor.author	Kounadis, AN	en
dc.date.accessioned	2014-03-01T01:14:06Z
dc.date.available	2014-03-01T01:14:06Z
dc.date.issued	1998	en
dc.identifier.issn	0020-7403	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/12863
dc.subject	Autonomous	en
dc.subject	Discrete	en
dc.subject	Divergence	en
dc.subject	Dynamic buckling	en
dc.subject	Flutter	en
dc.subject	Imperfection-sensitive systems	en
dc.subject	Non-conservative	en
dc.subject.classification	Engineering, Mechanical	en
dc.subject.classification	Mechanics	en
dc.subject.other	Buckling	en
dc.subject.other	Damping	en
dc.subject.other	Degrees of freedom (mechanics)	en
dc.subject.other	Dynamic loads	en
dc.subject.other	Flutter (aerodynamics)	en
dc.subject.other	Mathematical models	en
dc.subject.other	Numerical analysis	en
dc.subject.other	Dynamic buckling loads	en
dc.subject.other	Structural analysis	en
dc.title	Qualitative criteria for dynamic buckling of imperfection sensitive nonconservative systems	en
heal.type	journalArticle	en
heal.identifier.primary	10.1016/S0020-7403(97)00139-2	en
heal.identifier.secondary	http://dx.doi.org/10.1016/S0020-7403(97)00139-2	en
heal.language	English	en
heal.publicationDate	1998	en
heal.abstract	A qualitative dynamic buckling analysis of imperfection-sensitive non-conservative dissipative systems under path-dependent loading in regions of divergence is presented. Despite the lack of potential for this type of loading a total energy-balance equation allows us to establish a sufficient criterion for dynamic buckling, the counterpart of-that valid for potential systems. Moreover, using energy and geometrical considerations for the channel of motion, one can obtain for a 2-DOF model dynamic buckling loads (DBLs) which are practically exact for vanishing but non-zero damping and very accurate for non-zero damping. Numerical results show the efficiency and reliability of the proposed qualitative analysis. (C) 1998 Elsevier Science Ltd. All rights reserved.	en
heal.publisher	PERGAMON-ELSEVIER SCIENCE LTD	en
heal.journalName	International Journal of Mechanical Sciences	en
dc.identifier.doi	10.1016/S0020-7403(97)00139-2	en
dc.identifier.isi	ISI:000074871300002	en
dc.identifier.volume	40	en
dc.identifier.issue	10	en
dc.identifier.spage	949	en
dc.identifier.epage	962	en