Imperfection Sensitivity at Near-Coincidence of Two Critical Points

Elastic stability of structures with finite degrees of freedom is analyzed. The two smallest critical values of the load parameter are supposed to be equal or nearly equal. The effect of imperfections on the distance between critical values is considered. Using the results of catastrophe theory, imp...

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Veröffentlicht in:	Journal of structural mechanics 1985-01, Vol.13 (1), p.43-65
1. Verfasser:	GASPAR, Z
Format:	Artikel
Sprache:	eng
Schlagworte:	Buckling Exact sciences and technology Fundamental areas of phenomenology (including applications) Physics Solid mechanics Structural and continuum mechanics
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	Elastic stability of structures with finite degrees of freedom is analyzed. The two smallest critical values of the load parameter are supposed to be equal or nearly equal. The effect of imperfections on the distance between critical values is considered. Using the results of catastrophe theory, imperfections are determined at which the structure looses its stability before reaching a prescribed value of the load parameter.
ISSN:	0360-1218 2332-3981
DOI:	10.1080/03601218508907489