SIMPLE TRIANGULAR CURVED SHELL ELEMENT FOR COLLAPSE ANALYSIS.

H. Stolarski, T. Belytschko, N. Carpenter, J. M. Kennedy

Research output: Contribution to journalConference articlepeer-review

2 Scopus citations

Abstract

A simple triangular shell element which incorporates the effects of coupling between membrane and flexural behavior and avoids membrane locking is described. The element uses a discrete Kirchhoff bending formulation and a constant strain membrane element. For the purpose of permitting inextensional modes and thus avoiding membrane locking, a decomposition technique, which can also be viewed as a strain projection method, is used. The method is illustrated first for a beam element and then for a triangular shell element. Results are presented for a variety of linear static problems to illustrate its accuracy and some highly nonlinear problems to indicate its applicability to collapse analysis.

Original languageEnglish (US)
Pages (from-to)101-122
Number of pages22
JournalAmerican Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
Volume84
StatePublished - Dec 1 1984

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