NEHRP Clearinghouse

Title
Finite Element Analysis of a Seismically Excited Cylindrical Storage Tank, Ground Supported, and Partially Filled with Liquid.
File
PB258506.pdf
Author(s)
Shaaban, S. H.; Nash, W. A.
Source
National Science Foundation, Washington, D.C. Research Applied to National Needs., July 1976, 116 p.
Abstract
The structure under consideration is an elastic cylindrical liquid storage tank attached to a rigid base slab. The tank is filled to an arbitrary depth with an inviscid, incompressible liquid. A finite element analysis is presented for the free vibrations of the coupled system, permitting determination of natural frequencies and associated mode shapes. The response of the partially-filled tank to artificial earthquake excitation is also determined through use of finite elements. Examples, together with program listing, are offered.
Keywords
Earthquake resistant structures; Seismic waves; Storage tanks; Vibration; Earth movements; Cylindrical shells; Sloshing; Ground motion; Earthquake engineering; Finite element analysis; Computer programs