Breathing Vibrations of a Horizontal Circular Cylindrical Tank Shell, Partially Filled With Liquid

[+] Author and Article Information
M. Amabili, G. Dalpiaz

Dipartimento di Meccanica, Università di Ancona, via Brecce Bianche, 60131 Ancona, Italy

J. Vib. Acoust 117(2), 187-191 (Apr 01, 1995) (5 pages) doi:10.1115/1.2873885 History: Received March 01, 1993; Revised September 01, 1993; Online February 26, 2008


A theoretical approach to study breathing vibrations of cylindrical shells with horizontal axis, partially filled with liquid, is delineated and the results of some modal tests conducted on an industrially-manufactured tank are presented and discussed. The good agreement between theoretical and experimental results is preliminarily verified in the case of both an empty and completely full shell, in order to confirm that it is possible to apply the theoretical approach to real structures. The modal properties of a partially-filled shell as a function of liquid level are then experimentally studied, the mode shapes are compared using the Modal Assurance Criterium and a qualitative explanation of the dynamic behavior is proposed.

Copyright © 1995 by The American Society of Mechanical Engineers
Topics: Vibration , Shells , Pipes , Shapes
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