Affiliation:
1. Department of Mechanical Engineering, McGill University, Montreal, Quebec, Canada
Abstract
This paper deals with the dynamics of a cluster of parallel flexible cylinders in a cylindrical channel in the presence of an axially flowing fluid. The equations of motion are derived, taking into account inviscid and viscous hydrodynamic coupling of small arbitrary motions of the cylinders. Solutions of the equations of motion yield the eigenfrequencies and modal shapes of the system. For sufficiently high flow velocities the system loses stability by divergence and flutter, similarly to a solitary cylinder in unbounded flow; however, the critical flow velocities are much lower, as proximity to other cylinders and to the channel wall severely destabilize the system.
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics
Cited by
47 articles.
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