ON THE DYNAMIC STABILITY OF CYLINDERS PLACED IN CROSS-FLOW

被引：13
作者：
PLANCHARD, J
THOMAS, B
机构：
[1] Electricité de France, Etudes et Recherches, 92141, Clamart, 1, avenue du Général de Gaulle
来源：
JOURNAL OF FLUIDS AND STRUCTURES | 1993年 / 7卷 / 04期
关键词：
D O I：
10.1006/jfls.1993.1020
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The aim of this paper is to investigate the dynamical stability of an elastic tube bundle placed in a cross-flow which is governed by the Navier-Stokes equations. The stability of this coupled system is derived from the study of a quadratic eigenvalue problem arising in the linearized equations. The instability occurs when the real part of one of these eigenvalues becomes positive; the steady state is then replaced by a time-periodic state which is stable (Hopf bifurcation phenomenon). © 1993 by Academic Press, Inc.
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页码：321 / 339
页数：19
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