Coupling vibration of composite pipe-in-pipe structure subjected to gas-liquid mixed transport by means of green's functions

被引：6
作者：
Chang, X. P. [1 ,2 ]
Fan, J. M. [1 ]
Qu, C. J. [1 ]
Li, Y. H. [2 ]
机构：
[1] Southwest Petr Univ, Sch Mechatron Engn, Chengdu 610500, Peoples R China
[2] Southwest Jiaotong Univ, Sch Mech & Engn, Chengdu, Peoples R China
来源：
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2023年 / 30卷 / 08期
基金：
中国国家自然科学基金;
关键词：
Green's functions; Laplace transform; mode exchange; pipe-in-pipe structure; fiber-reinforced composite; elastic boundary conditions; FLUID-CONVEYING PIPE; CIRCULAR CYLINDRICAL-SHELLS; VORTEX-INDUCED VIBRATIONS; EULER-BERNOULLI BEAMS; STABILITY ANALYSIS; FORCED VIBRATION; DYNAMIC-RESPONSE; TIMOSHENKO BEAM; 2-PHASE FLOW; BEHAVIOR;
D O I：
10.1080/15376494.2022.2037794
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper focuses on the vibration characteristics of a composite pipe-in-pipe structure subjected to gas-liquid mixed transport. Through the Laplace transform, Green's functions for the forced vibration of the pipe-in-pipe structure are obtained. The implicit-form frequency equations and the mode shapes of the structure with different boundary conditions are obtained by Green's functions. The results show that there is a mode exchange phenomenon in the composite pipe-in-pipe structure. A method to reasonably classify the frequencies of the pipe-in-pipe structure is proposed and the rationality of the method is proved by the corresponding mode shapes.
引用
收藏
页码：1604 / 1623
页数：20
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