Axial leakage flow-induced vibration of thin cylindrical shell with respect to circumferential vibration

被引：0

作者：

Fujita, K ^{[1
]}

Shintani, A ^{[1
]}

Ono, M ^{[1
]}

机构：

[1] Univ Osaka Prefecture, Grad Sch Engn, Sakai, Osaka 5998531, Japan

来源：

PROCEEDINGS OF THE 5TH INTERNATIONAL SYMPOSIUM ON FLUID STRUCTURE INTERACTION, AEROELASTICITY, FLOW INDUCED VIBRATION AND NOISE, PTS A AND B | 2002年

关键词：

D O I：

暂无

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

In this paper, the dynamic stability of a thin cylindrical shell subjected to axial leakage flow is discussed. In this paper, the third part of a study of the axial leakage flow-induced vibration of a thin cylindrical shell, we focus on circumferential vibration, that is, the ovaling vibration of a shell. The coupled equations of motion between shell and liquid are obtained by using Donnell's shell theory and the Navier-Stokes equation. The added mass, added damping and added stiffness in the coupled equations of motion are described by utilizing the unsteady fluid pressure acting on the shell. The relations between axial velocity and the unstable vibration phenomena are clarified concerning the circumferential vibration of a shell. Numerical parametric studies are done for various dimensions of a shell and an axial leakage flow.

引用

页码：1139 / 1148

页数：10

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