Comparison of Rigid-Plastic and Elastoplastic Finite Element Predictions of a Tensile Test of Cylindrical Specimens

Abstract:

In this paper, finite element predictions of a tensile test of cylindrical specimens obtained by rigid-plastic and elastoplastic finite element methods are compared in terms of tensile load-elongation curve and deformed shape. The flow stress curve used for this study is obtained by a scheme of obtaining flow stress at large strain from tensile test of cylindrical specimen using rigid-plastic finite element method. The two predictions are compared in a quantitative manner and discussed not only to find some similarity but also to distinguish the elastoplastic finite element method from the rigid-plastic finite element method.

• Periodical: Key Engineering Materials (Volumes 622-623)
• Pages: 611-616
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.622-623.611
• Online since: September 2014
• Authors: Jae Gun Eom, Wan Jin Chung, Man Soo Joun*
• Keywords: Elastoplastic, Finite Element Analysis (FEA), Rigid-Plastic, Tensile Test

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