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TECHNICAL PAPERS

Sloshing Effects in Half-Full Horizontal Cylindrical Vessels Under Longitudinal Excitation

[+] Author and Article Information
S. Papaspyrou, D. Valougeorgis, S. A. Karamanos

Department of Mechanical and Industrial Engineering, University of Thessaly, Volos 38334, Greece

J. Appl. Mech 71(2), 255-265 (May 05, 2004) (11 pages) doi:10.1115/1.1668165 History: Received March 03, 2003; Revised July 15, 2003; Online May 05, 2004
Copyright © 2004 by ASME
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References

Figures

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Configuration of half-full horizontal cylindrical container
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Mechanical model approximating the sloshing response of a half-full cylindrical container
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Variation of sloshing frequencies with respect to the truncation size N
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Dominant eigenvalues for each longitudinal mode p and various aspect ratios of the container (L/R)
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Eigenmodes in terms of free-surface elevation corresponding to the first three eigenfrequencies (ω112131) of the first longitudinal mode (p=1), with L/R=π
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Converged values of Ca1 and Cv1 in terms of external excitation frequency (ω2R/g) for L/R=π,α1=0, and p=1
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Added mass coefficient Ca1 for horizontal cylinder and “equivalent” rectangle
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Response of a half-full cylindrical vessel subjected to the El Centro earthquake in its longitudinal direction for 5% damping. (a) El Centro ground motion (source: http://www.vibrationdata.com/elcentro.htm), (b) uniform motion force FU, (c) force associated with sloshing Fs and (d) total force F.

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