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Nonlinear dynamics of tube arrays in cross flow
[report]
1994
unpublished
Preserved Fulltext
Fluidelastic instabilityof loosely supportedtubearrayswas studied analyticallyand experimentally. This is one of the importantpracticalproblemsof autonomousfluid-structure systems with many interestingmotions. Both fluid. dampingand fluid-stiffness controlled instabilities were investigated. Depending on the system parameters,the dynamicresponse of thetubes includesperiodic"quasipcfiedic,and chaotic motions. The analyticalmodel is based on the unsteady flow theory, which can predict the
doi:10.2172/10141754
fatcat:xc6dqj5zxna7lggkpz57yfxoxi