Three-Directional Fluid Pool Seismic Sloshing Analysis

[+] Author and Article Information
T. F. Li

Stone & Webster Engineering Corporation, Cherry Hill, N. J. 08034

C. C. Lin

Brookhaven National Laboratory, Upton, N.Y.

C. H. Luk

Pennsylvania Power & Light Company, Allentown, Pa.

J. Pressure Vessel Technol 103(1), 10-15 (Feb 01, 1981) (6 pages) doi:10.1115/1.3263358 History: Received March 31, 1980; Online November 05, 2009


Liquid sloshing in pool due to three-directional earthquake ground motion is analyzed. The liquid pool is represented by a rigid annular circular cylindrical tank. Analytical and numerical solutions are presented and their limitations are discussed. For a given seismic ground excitation time-history, the free surface and the pressure and velocity fields in the pool are calculated by superposition of modal responses. The results show that container vertical acceleration is of secondary importance in determining the free surface displacement, but has a major effect on the pressure load on the container boundary.

Copyright © 1981 by ASME
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