Axisymmetric Elastic-Plastic FE Analysis of Pressurized Elbows

[+] Author and Article Information
Dj. Boussaa, K. Dang Van

Laboratoire de Mécanique des Solides, Centre commun X-Mines-Ponts-CNRS, URA 317, École Polytechnique, Palaiseau, France

P. Labbé

Service Études et Projets Thermiques et Nucléaires, Électricité de France, Villeurbanne, France

H. T. Tang

Nuclear Power Division, Electric Power Research Institute, Palo Alto, CA

J. Pressure Vessel Technol 117(4), 357-364 (Nov 01, 1995) (8 pages) doi:10.1115/1.2842136 History: Received December 03, 1993; Revised February 23, 1995; Online February 11, 2008


A variational formulation for the pure in-plane bending problem of pressurized elbows with arbitrary cross section, written in the 3-D infinitesimal displacement continuum mechanics framework, and particularly appropriate when a refined elastic-plastic local response is needed (e.g., in the presence of ratcheting), is presented. The similarity between this problem and an axisymmetric analysis is underlined and turned to account to solve the former using existing FE routines devoted to the latter. Some applications are given to illustrate the potentialities of the model.

Copyright © 1995 by The American Society of Mechanical Engineers
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