Subsize Experiments and Numerical Modeling of Axial Rupture of Gas Transmission Lines

[+] Author and Article Information
A. S. Kobayashi, A. F. Emery, W. J. Love, Y.-H. Chao

University of Washington, Department of Mechanical Engineering, Seattle, Wash. 98195

J. Pressure Vessel Technol 110(2), 155-160 (May 01, 1988) (6 pages) doi:10.1115/1.3265580 History: Received January 14, 1988; Online November 05, 2009


The experimental facilities and the numerical modeling for studying dynamic axial rupture of pressurized subsize pipes are reviewed. Selected results from 46 pipe rupture tests and related numerical analyses are used to show that the axial flap stretching is the dominant energy sink, the crack tip opening angle (CTOA) is a viable ductile crack extension criterion, and there exists a crack tip strain field which promotes crack curving at arrest.

Copyright © 1988 by ASME
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