Plastic Response Estimation in Repeated Elastic Analyses for Strain Hardening Material Model-Reference-Cited by-同舟云学术

Plastic Response Estimation in Repeated Elastic Analyses for Strain Hardening Material Model

Published:2013-08-26 Issue:5 Volume:135 Page:
ISSN:0094-9930
Container-title:Journal of Pressure Vessel Technology
language:en
Short-container-title:

Author:

Mahmood S. L.¹,Adibi-Asl R.²,Daley C. G.³

Affiliation:

1. Babcock and Wilcox Canada Ltd., Cambridge, ON, N1R 5V3, Canada e-mail:

2. AMEC NSS Ltd., Toronto, ON, M5G 1E6, Canada e-mail:

3. Faculty of Engineering and Applied Science, Memorial University, St. John's, NL A1B 3X5, Canada

Abstract

Simplified limit analysis techniques have already been employed for limit load estimation on the basis of linear elastic finite element analysis (FEA) assuming elastic-perfectly-plastic material model. Due to strain hardening, a component or a structure can store supplementary strain energy and hence carries additional load. In this paper, an iterative elastic modulus adjustment scheme is developed in context of strain hardening material model utilizing the “strain energy density” theory. The proposed algorithm is then programmed into repeated elastic FEA and results from the numerical examples are compared with inelastic FEA results.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Safety, Risk, Reliability and Quality

Link

http://asmedigitalcollection.asme.org/pressurevesseltech/article-pdf/doi/10.1115/1.4024448/6312678/pvt_135_05_051201.pdf

Reference22 articles.

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