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Dynamic Analysis of Rectangular Liquid Storage Structures Excited by Horizontal and Vertical Ground Motions  

Park, Jang-Ho (Division of Environmental, Civil and Transportation Engineering, Ajou University)
Publication Information
Journal of the Korean Society of Safety / v.19, no.3, 2004 , pp. 108-117 More about this Journal
Abstract
Dynamic analysis method is Presented for analyzing rectangular liquid storage structures excited by horizontal and vertical ground motions. The irrotational motion of invicid and incompressible ideal fluid in rigid rectangular liquid storage structures subjected to horizontal and vertical ground motions and the motion of fluid induced by structural deformation are expressed by analytic solutions. Analysis methods are obtained by applying analytic solutions of the fluid motion to finite element equation of the structural motion. The fluid-structure interaction effect is reflected into the coupled equation as added fluid mass matrix. The free surface sloshing motion, hydrodynamic pressure acting on the wall and structural behavior due to horizontal and vertical ground motions are obtained by the presented method.
Keywords
rectangular liquid storage structure; horizontal and vertical ground motions; analytic solutions;
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