A study of the frequency response of fluid-structure interactions in a three-dimensional fluid-filled pipe system using an impedance synthesis method

IF 1.5 4区工程技术 Q3 ENGINEERING, MARINE

Proceedings of the Institution of Mechanical Engineers, Part M: Journal of Engineering for the Maritime Environment Pub Date : 2023-01-31 DOI:10.1177/14750902231152337

Jiang-hai Wu, Z. Yin, Yu-dong Sun

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引用次数: 0

Abstract

Fluid-filled pipelines are widely used in engineering and industry. An analysis of the frequency dynamic responses of three-dimensional pipes is presented in this paper. A general formulation is developed based on an impedance matrix transmission approach in which a T-shaped pipe system can be assembled from three straight pipes. For validation purposes, numerical results are compared with data given by finite element method (FEM) software, previous literature, and an experiment. In the experiment, the three-dimensional pipe system is suspended horizontally on spring wires and is excited in the X and Y directions. It is found that the results calculated using the proposed method match the experimental results well. A dimensionless analysis of Poisson’s coupling is then carried out, and the junction coupling of the branch pipe is analyzed as a function of its angle. Through this work, it is shown that the proposed method is efficient and can be used to predict the vibration of three-dimensional pipes.

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用阻抗综合方法研究三维充液管道系统流固耦合的频率响应

充液管道在工程和工业中有着广泛的应用。本文对三维管道的频率动力响应进行了分析。在阻抗矩阵传输方法的基础上，提出了一个通用的公式，其中t形管道系统可以由三根直管组装而成。为了验证，将数值结果与有限元方法(FEM)软件、先前文献和实验给出的数据进行了比较。在实验中，三维管道系统水平悬挂在弹簧丝上，并在X和Y方向上进行激励。计算结果与实验结果吻合较好。然后进行了泊松耦合的无量纲分析，并分析了分支管的连接处耦合作为其角度的函数。结果表明，该方法是有效的，可用于三维管道的振动预测。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Proceedings of the Institution of Mechanical Engineers, Part M: Journal of Engineering for the Maritime Environment ENGINEERING, MARINE-

CiteScore

3.90

自引率

11.10%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal of Engineering for the Maritime Environment is concerned with the design, production and operation of engineering artefacts for the maritime environment. The journal straddles the traditional boundaries of naval architecture, marine engineering, offshore/ocean engineering, coastal engineering and port engineering.