Vibration analysis of a thin circular plate influenced by liquid/gas interaction in a cylindrical cavity

This paper describes the free vibration analysis of a cylindrical gas cavity axially bounded at one end by a liquid interface and a thin elastic disc at the other end. Natural frequencies of the complete liquid/gas/structural coupled system are calculated and compared with values obtained when simpl...

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Bibliographic Details
Published in:Journal of sound and vibration 2005-01, Vol.279 (3), p.601-618
Main Authors: Gorman, D.G., Lee, C.K., Reese, J.M., Horáček, J.
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Physics
Solid mechanics
Structural and continuum mechanics
Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)
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Summary:This paper describes the free vibration analysis of a cylindrical gas cavity axially bounded at one end by a liquid interface and a thin elastic disc at the other end. Natural frequencies of the complete liquid/gas/structural coupled system are calculated and compared with values obtained when simplifying assumptions are made with respect to the boundaries between the liquid, gas and structure. The analysis includes examination of the interaction between liquid and gas when the disc is assumed rigid. In selected cases the natural frequencies are compared with corresponding values obtained experimentally and from a commercial finite element code.
ISSN:0022-460X
1095-8568
DOI:10.1016/j.jsv.2003.11.052