Sloshing analysis of rectangular tanks with a submerged structure by using small-amplitude water wave theory

A new sloshing analysis method for rectangular tank systems with a submerged structure are proposed by using the velocity potential and the linear water wave theory. The velocity potential functions are obtained by decomposing the surface wave into a wall-induced wave, reflected and transmitted waves, and a scattered wave. A simplified method using a response spectrum for zero damping is also proposed. The results of the simplified method are in good agreement with those of the analytical method. The sloshing response of the fluid-structure system is found to be very sensitive to the characteristics of the ground motion and the configuration of the system. Under typical earthquakes, the submerged structure shows a tendency to decrease sloshing amplitude, hydrodynamic pressure, and base shear, while it shows a tendency to increase the overturning moment. For the ground excitation dominated by low-frequency contents, the sloshing response increases significantly and the contribution of the higher sloshing modes increases. Copyright (C) 1999 John Wiley & Sons, Ltd.
Publisher
JOHN WILEY SONS LTD
Issue Date
1999-07
Language
ENG
Keywords

STORAGE TANKS; EARTHQUAKE; DAMAGE

Citation

EARTHQUAKE ENGINEERING STRUCTURAL DYNAMICS, v.28, no.7, pp.763 - 783

ISSN
0098-8847
URI
http://hdl.handle.net/10203/13838
Appears in Collection
CE-Journal Papers(저널논문)
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