On Stability Analysis of a Flexible Cylinder in an Array of Rigid Cylinders

[+] Author and Article Information
J. Marn, I. Catton

Mechanical Aerospace and Nuclear Engineering Dept., University of California, Los Angeles, Los Angeles, CA 90024

J. Fluids Eng 114(1), 12-19 (Mar 01, 1992) (8 pages) doi:10.1115/1.2909989 History: Received November 06, 1990; Online May 23, 2008


The concept of an unsteady control volume is used to predict the onset of instability for a simple array of cylinders. The array consists of a flexible cylinder placed amidst rigid cylinders. The fluid is assumed to be incompressible with a “slip” boundary condition used on the solid/liquid interface. The equations derived for the model from first principles are solved in the complex plane. The results are compared to experimental data. The paper is concluded with a discussion of the advantages and disadvantages of the model and an assessment of the accuracy of the predictions.

Copyright © 1992 by The American Society of Mechanical Engineers
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