A Simple and Effective Pipe Elbow Element—Interaction Effects

[+] Author and Article Information
K. J. Bathe, C. A. Almeida

Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Mass. 02139

J. Appl. Mech 49(1), 165-171 (Mar 01, 1982) (7 pages) doi:10.1115/1.3161960 History: Received March 01, 1981; Revised July 01, 1981; Online July 21, 2009


Our elbow element presented in an earlier communication is enhanced to account for interaction effects between elbows and rigid flanges, elbows of different curvatures, and elbows joining straight pipe sections. The interaction effects are modeled by including the appropriate additional strain terms in the stiffness matrix formulation and by using a penalty procedure to enforce the continuity of the derivatives in the pipe skin radial displacements. The enhancement in the formulation has been implemented and the results of various sample analyses are presented.

Copyright © 1982 by ASME
Topics: Pipes , Skin , Stiffness , Joining , Flanges
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