A propagating buckle can be initiated in tubes under external pressure from localized imperfections. Once initiated a buckle will propagate with the result of flattening the tube behind it. The lowest pressure at which it can propagate is known as the propagation pressure, and it represents a characteristic pressure of the tube. The paper attempts to model quasistatic steady-state propagation through a plane strain large deflection, inelastic analysis of the collapse of a circular ring. An energy balance type of argument is used to obtain a lower-bound estimate of the propagation pressure from the ring response. The results are compared with experimental results obtained from stainless steel and aluminum tubes having diameter-to-thickness ratios ranging between 100 and 10. It was found that for these two materials the estimated value for the propagation pressure was in good agreement with experimental results for D/t > 20.
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On the Determination of the Propagation Pressure of Long Circular Tubes
S. Kyriakides,
S. Kyriakides
Department of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin, Austin, Tex. 78712
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M.-K. Yeh,
M.-K. Yeh
Department of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin, Austin, Tex. 78712
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D. Roach
D. Roach
Department of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin, Austin, Tex. 78712
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S. Kyriakides
Department of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin, Austin, Tex. 78712
M.-K. Yeh
Department of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin, Austin, Tex. 78712
D. Roach
Department of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin, Austin, Tex. 78712
J. Pressure Vessel Technol. May 1984, 106(2): 150-159 (10 pages)
Published Online: May 1, 1984
Article history
Received:
September 20, 1980
Revised:
March 6, 1984
Online:
November 5, 2009
Citation
Kyriakides, S., Yeh, M., and Roach, D. (May 1, 1984). "On the Determination of the Propagation Pressure of Long Circular Tubes." ASME. J. Pressure Vessel Technol. May 1984; 106(2): 150–159. https://doi.org/10.1115/1.3264322
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