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Uncertainty multimode failure and shakedown analysis of shells

  • This paper presents a numerical procedure for reliability analysis of thin plates and shells with respect to plastic collapse or to inadaptation. The procedure involves a deterministic shakedown analysis for each probabilistic iteration, which is based on the upper bound approach and the use of the exact Ilyushin yield surface. Probabilistic shakedown analysis deals with uncertainties originated from the loads, material strength and thickness of the shell. Based on a direct definition of the limit state function, the calculation of the failure probability may be efficiently solved by using the First and Second Order Reliability Methods (FORM and SORM). The problem of reliability of structural systems (series systems) is handled by the application of a special technique which permits to find all the design points corresponding to all the failure modes. Studies show, in this case, that it improves considerably the FORM and SORM results.

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Author:Thanh Ngoc TranORCiD, Manfred StaatORCiD
ISBN:978-3-319-12927-3 (print) ; 978-3-319-12928-0 (online)
Parent Title (English):Direct methods for limit and shakedown analysis of structures / eds. Paolo Fuschi ...
Place of publication:Cham
Document Type:Part of a Book
Year of Completion:2015
Date of the Publication (Server):2015/01/12
Tag:Limit analysis; Multimode failure; Non-linear optimization; Reliability analysis; Shakedown analysis
First Page:279
Last Page:298
Institutes:FH Aachen / Fachbereich Medizintechnik und Technomathematik
FH Aachen / IfB - Institut für Bioengineering
collections:Verlag / Springer