The transient response of a ring-stiffened spherical shell to a sudden pressure increase in the surrounding acoustic medium is investigated. A modal expansion approach is used to analyze the shell, while the acoustic field equation is solved by invoking the Helmholtz integral. Coupling of the two fields occurs through the enforcement of continuity of the velocity components at the shell-fluid interface. Two solutions to the same problem are obtained by using plane and cylindrical wave approximations of the acoustic field. These approximate solutions fail to predict the transient behavior for the shell configuration analyzed. The result of this study indicates that a large dynamic factor must be assumed in the design of submerged, stiffened, spherical shell structures, if explosive loads are likely to be encountered.
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June 1971
Research Papers
Dynamics of a Submerged Ring-Stiffened Spherical Shell
Y. K. Lou,
Y. K. Lou
Department of Applied Mechanics, Polytechnic Institute of Brooklyn, Brooklyn, N. Y.
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J. M. Klosner
J. M. Klosner
Polytechnic Institute of Brooklyn, Brooklyn, N. Y.
Search for other works by this author on:
Y. K. Lou
Department of Applied Mechanics, Polytechnic Institute of Brooklyn, Brooklyn, N. Y.
J. M. Klosner
Polytechnic Institute of Brooklyn, Brooklyn, N. Y.
J. Appl. Mech. Jun 1971, 38(2): 408-417 (10 pages)
Published Online: June 1, 1971
Article history
Received:
May 14, 1969
Revised:
October 7, 1969
Online:
July 12, 2010
Citation
Lou, Y. K., and Klosner, J. M. (June 1, 1971). "Dynamics of a Submerged Ring-Stiffened Spherical Shell." ASME. J. Appl. Mech. June 1971; 38(2): 408–417. https://doi.org/10.1115/1.3408790
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