An Approximate Method for the Determination of the Response Frequency of Pipe Whip

[+] Author and Article Information
S. A. Haktanir

ARCO Oil and Gas Company, Dallas, Tex. 75221

G. C. Tolle

Field Research Laboratory, Mobil Research and Development Corporation, Dallas, Tex. 75221

J. Pressure Vessel Technol 102(2), 174-181 (May 01, 1980) (8 pages) doi:10.1115/1.3263317 History: Received April 10, 1979; Revised October 10, 1979; Online November 05, 2009


This paper is concerned with the effect of fluid flow on the static and dynamic characteristics of a simply supported pipe having a hole through the pipe wall to permit a fluid flow. In this approximate analysis based on the virtual work technique, system natural frequencies and mode shapes are determined and compared to the analytical solution of the linear problem given by G. W. Housner [3] and experimental solution of H. L. Dodds, Jr., and H. L. Runyan [2] . An approximate solution satisfying the initial and boundary conditions is presented for free vibrations and for steady-state forced vibrations for the nonlinear problem. In addition, the critical fluid velocity at which the system becomes statically unstable is verified.

Copyright © 1980 by ASME
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