Vibration characteristics of cylindrical shells filled with fluid based on first-order shell theory

被引：29

作者：

Ji, Ming ^{[1
]}

Inaba, Kazuaki ^{[2
]}

Triawan, Farid ^{[3
]}

机构：

[1] Tokyo Inst Technol, Dept Mech Engn, Sch Engn, Meguro Ku, 2-12-1 Okayama, Tokyo 1528552, Japan

[2] Tokyo Inst Technol, Dept Transdisciplinary Sci & Engn, Sch Environm & Soc, Meguro Ku, 2-12-1 Okayama, Tokyo 1528552, Japan

[3] Sampoerna Univ, Dept Mech Engn, Fac Engn & Technol, Jln Raya Pasar Minggu,Kav 16, Jakarta 12780, Indonesia

来源：

JOURNAL OF FLUIDS AND STRUCTURES | 2019年 / 85卷

基金：

日本学术振兴会;

关键词：

Shell vibrations; Fluid-structure interaction; First-order shell theory; Thick pipe; Short pipe; FLOW-INDUCED INSTABILITY; NATURAL FREQUENCIES; DYNAMIC STABILITY; PIPES; PROPAGATION; ENERGY; MASS;

D O I：

10.1016/j.jfluidstructs.2019.01.017

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this article, an analytical method to study the natural frequencies of free vibrations for a thick cylindrical shell filled with fluid is proposed. Mindlin's first-order shell theory is extended to derive the equations of motion and corresponding boundary conditions by Hamilton's principle. Linearized potential flow theory is used to derive the hydrodynamic force. Moreover, the internal fluid pressure acting on the shell wall is obtained by the assumption of a non-penetration condition. The dispersion equations are obtained under the assumption of harmonic motion. The derived shell theory is used to calculate the natural frequencies of cylindrical shells with various thicknesses and lengths, and the results are compared with Flugge's shell theory and finite-element method (FEM). As a result, the proposed shell theory shows improved accuracy and good agreement with published experimental results. (C) 2019 Elsevier Ltd. All rights reserved.

引用

页码：275 / 291

页数：17

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