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The Structural Response of Cylindrical Shells to Internal Shock Loading

Beltman, W. M. and Burcsu, E. N. and Shepherd, J. E. and Zuhal, L. (1999) The Structural Response of Cylindrical Shells to Internal Shock Loading. Journal of Pressure Vessel Technology, 121 (3). pp. 315-322. ISSN 0094-9930. doi:10.1115/1.2883709.

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The internal shock loading of cylindrical shells can be represented as a step load advancing at constant speed. Several analytical models are available to calculate the structural response of shells to this type of loading. These models show that the speed of the shock wave is an important parameter. In fact, for a linear model of a shell of infinite length, the amplitude of the radial deflection becomes unbounded when the speed of the shock wave is equal to a critical velocity. It is evident that simple (static) design formulas are no longer accurate in this case. The present paper deals with a numerical and experimental study on the structural response of a thin aluminum cylindrical shell to shock loading. Transient finite element calculations were carried out for a range of shock speeds. The results were compared to experimental results obtained with the GALCIT 6-in. shock tube facility. Both the experimental and the numerical results show an increase in amplitude near the critical velocity, as predicted by simple steady-state models for shells of infinite length. However, the finite length of the shell results in some transient phenomena. These phenomena are related to the reflection of structural waves and the development of the deflection profile when the shock wave enters the shell.

Item Type:Article
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Shepherd, J. E.0000-0003-3181-9310
Additional Information:© 1999 The American Society of Mechanical Engineers. Received: November 24, 1998; Revised: February 23, 1999; Published Online: August 1, 1999. This research was sponsored by the Netherlands Organization for Scientific Research (NWO). Their support is gratefully acknowledged.
Funding AgencyGrant Number
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO)UNSPECIFIED
Subject Keywords:Pipes, Shock (Mechanics), Shells, Shock waves, Deflection, Transients (Dynamics), Aluminum, Design, Finite element analysis, Reflection, Shock tubes, Steady state, Stress, Waves
Issue or Number:3
Record Number:CaltechAUTHORS:20200901-124427714
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Official Citation:Beltman, W. M., Burcsu, E. N., Shepherd, J. E., and Zuhal, L. (August 1, 1999). "The Structural Response of Cylindrical Shells to Internal Shock Loading." ASME. J. Pressure Vessel Technol. August 1999; 121(3): 315–322.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:105206
Deposited By: Tony Diaz
Deposited On:08 Sep 2020 21:25
Last Modified:16 Nov 2021 18:40

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