Technical Briefs

Burst Analysis of Cylindrical Shells

[+] Author and Article Information
Liping Xue

 MMI Engineering, Inc., Houston, TX 77077

G. E. Widera

Center for Joining and Manufacturing Assembly, Marquette University, Milwaukee, WI 53201

Zhifu Sang

College of Mechanical Engineering, Nanjing University of Technology, Nanjing, Jiangsu 210009, P.R.C.

J. Pressure Vessel Technol 130(1), 014502 (Jan 17, 2008) (5 pages) doi:10.1115/1.2826454 History: Received November 02, 2006; Revised October 01, 2007; Published January 17, 2008

The purpose of this paper is to demonstrate that the burst pressure of a cylindrical shell subjected to internal pressure can be accurately predicted by using finite element method. The computer software ANSYS (Swanson Analysis System Inc., 2003, “Engineering Analysis Systems User's Manual  ”) is employed to perform a static, nonlinear analysis (both geometry of deformation and material behavior) using three-dimensional 20 node structural solid elements. The “Newton–Raphson method” and the “arclength method” are both employed to solve the nonlinear equations. A comparison with various empirical equations shows that the static finite element method simulation using the arclength method can be employed with sufficient accuracy to predict the burst pressure of a cylindrical shell. It is also shown that the Barlow equation is a good predictor of burst pressure of cylindrical shells.

Copyright © 2008 by American Society of Mechanical Engineers
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Figure 1

Engineering stress-strain curve for Q235-A

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Figure 2

Finite element mesh of cylindrical shell

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Figure 3

Zoom-in of defect region of Fig. 2

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Figure 4

Finite element mesh of cylindrical shell with a small hole

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Figure 5

Zoom-in of small hole of Fig. 4

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Figure 6

Pressure versus equivalent plastic strain at critical node

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Figure 7

Pressure versus equivalent plastic strain

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Figure 8

Contour plot of nodal equivalent plastic strain




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