A Reinforcement Design Method Based on Analysis of Large Openings in Cylindrical Pressure Vessels

[+] Author and Article Information
M. D. Xue, K. C. Hwang, W. Lü, W. Chen

Department of Engineering Mechanics, Tsinghua University, Beijing 100084, P. R. China

J. Pressure Vessel Technol 118(4), 502-506 (Nov 01, 1996) (5 pages) doi:10.1115/1.2842221 History: Received June 20, 1995; Revised February 15, 1996; Online February 11, 2008


The analytical solution is given for two orthogonally intersecting cylindrical shells with large diameter ratio d/D subjected to internal pressure. The modified Morley equation is used for the shell with cutout and the Love equation for the tube with nonplanar end. The continuity conditions of forces and displacements at the intersection are expressed in 3-D cylindrical coordinates (ρ, θ, z ), and are expanded in Fourier series of θ. The Fourier coefficients are obtained by numerical quadrature. The present results are in good agreement with those obtained by tests and by FEM for ρ0 = d/D ≤ 0.8. The typical curves of SCF versus t/T and d/DT and reinforcement coefficients g, h versus D/T0 for each ρ0 are given on the present method.

Copyright © 1996 by The American Society of Mechanical Engineers
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