Vibration suppression of composite panel with variable angle tow design and inerter-based nonlinear energy sink

IF 3.3 3区工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY

Journal of Zhejiang University-SCIENCE A Pub Date : 2023-08-01 DOI:10.1631/jzus.A2200578

Cheng-ti Zhou, Jian Yang, Yingdan Zhu, Chendi Zhu

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引用次数: 0

Abstract

This study investigates the vibration transmission and suppression of a laminated composite panel with variable angle tow (VAT) designs and an attached inerter-based passive nonlinear energy sink. Based on analytical and numerical methodologies, the substructure technique is used to obtain a steady-state dynamic response and the results are verified by experimental and analytical methods. It is demonstrated that fiber orientation has a significant impact on the natural frequencies. The dynamic responses and energy transmission path characteristics are determined and evaluated by forced vibration analysis. The main vibration transmission paths inside the structure are displayed using power flow density vectors. It is demonstrated that the dynamic responses of the plate can be changed considerably by using various fiber placement schemes and passive suppression devices. In addition, it is indicated that the vibration transmission paths are significantly influenced by the tailored fiber angles for improved dynamic performance. Our investigation enhances the understanding of enhanced vibration suppression designs of variable-stiffness composite plates with attached passive devices.

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变角拖曳设计和基于干涉的非线性能量汇的复合材料面板振动抑制

本文研究了一种具有可变角拖束(VAT)设计的复合材料层合板的振动传递和抑制问题。基于解析和数值方法，利用子结构技术获得了系统的稳态动力响应，并通过实验和分析方法对结果进行了验证。结果表明，光纤取向对固有频率有显著影响。通过强迫振动分析，确定并评价了结构的动力响应和能量传递路径特性。结构内部的主要振动传递路径用功率流密度矢量表示。结果表明，采用不同的光纤敷设方案和被动抑制装置可以显著改变板的动态响应。此外，研究还表明，光纤角度对振动传输路径有显著影响，从而提高了系统的动态性能。我们的研究增加了对附加无源器件的变刚度复合材料板增强减振设计的理解。

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

Journal of Zhejiang University-SCIENCE A 工程技术-工程：综合

CiteScore

5.60

自引率

12.50%

发文量

2964

审稿时长

2.9 months

期刊介绍： Journal of Zhejiang University SCIENCE A covers research in Applied Physics, Mechanical and Civil Engineering, Environmental Science and Energy, Materials Science and Chemical Engineering, etc.