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Locally imperfect conical shells under uniform external pressure


Ghanbari Ghazijahani, T and Showkati, H, Locally imperfect conical shells under uniform external pressure, Strength of Materials, 45, (3) pp. 369-377. ISSN 0039-2316 (2013) [Refereed Article]

Copyright Statement

Copyright 2013 Springer Science+Business Media New York

DOI: doi:10.1007/s11223-013-9467-9


Conical shells are extensively used in numerous types of engineering structures with various types of geometric imperfections. Nonetheless, quite few are the studies investigating the effect of special types of imperfections on the buckling load of conical shells under external pressure. In the present study, depression type of imperfection which is found in the zone of longitudinal weld is in the center of attention. To this end, this paper reports on different simulations including finite element results and discusses the effect of this type of imperfection on the critical buckling load of such structures. Obtained results are compared with the previous corresponding test results, some theoretical predictions, recommendations and codes.

Item Details

Item Type:Refereed Article
Keywords:conical shells, imperfection, external pressure, buckling
Research Division:Engineering
Research Group:Civil engineering
Research Field:Structural engineering
Objective Division:Construction
Objective Group:Construction materials performance and processes
Objective Field:Metals
UTAS Author:Ghanbari Ghazijahani, T (Mr Tohid Ghanbari Ghazijahani)
ID Code:93945
Year Published:2013
Web of Science® Times Cited:15
Deposited By:Engineering
Deposited On:2014-08-25
Last Modified:2014-08-28

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