Analysis of Flow Induced Vibration Using the Vorticity Transport Equation

[+] Author and Article Information
Jure Marn

Reactor Engineering Division, Jožef Stefan Institute, 61111 Ljubljana, Slovenia

Ivan Catton

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

J. Fluids Eng 115(3), 485-492 (Sep 01, 1993) (8 pages) doi:10.1115/1.2910164 History: Received February 10, 1992; Revised February 03, 1993; Online May 23, 2008


Crossflow induced vibrations are the subject of this work. The analysis is two dimensional. The governing equations for fluid motion are solved using linearized perturbation theory and coupled with the equations of motion for cylinders to yield the threshold of dynamic instability for an array of cylinders. Parametric analysis is performed to determine the lowest instability threshold for a rotated square array and correlations are developed relating the dominant parameters. The results are compared with theoretical and experimental data for similar arrays and the discrepancies are discussed.

Copyright © 1993 by The American Society of Mechanical Engineers
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