控制梁多模态振动的压电片优化布置

Q2 Physics and Astronomy

Advances in Acoustics and Vibration Pub Date : 2013-12-17 DOI:10.1155/2013/905160

F. Botta, D. Dini, C. Schwingshackl, L. Mare, G. Cerri

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引用次数: 23

摘要

为了提高工程结构(例如燃气轮机叶片)的性能和完整性，通常需要阻尼振动。在本文中，我们探讨了使用压电板来控制悬臂梁的多模态振动的可能性。为了制定有效的控制策略并优化压电元件在振动振幅减小方面的位置，开发了一个程序并提出了一个新的解析解。所得结果已与多物理场有限元软件包(COMSOL)的结果、文献中的结果和作者进行的实验研究进行了比较。

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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Optimal Placement of Piezoelectric Plates to Control Multimode Vibrations of a Beam

Damping of vibrations is often required to improve both the performance and the integrity of engineering structures, for example, gas turbine blades. In this paper, we explore the possibility of using piezoelectric plates to control the multimode vibrations of a cantilever beam. To develop an effective control strategy and optimize the placement of the active piezoelectric elements in terms of vibrations amplitude reduction, a procedure has been developed and a new analytical solution has been proposed. The results obtained have been corroborated by comparison with the results from a multiphysics finite elements package (COMSOL), results available in the literature, and experimental investigations carried out by the authors.

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来源期刊

Advances in Acoustics and Vibration ACOUSTICS-

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期刊介绍： The aim of Advances in Acoustics and Vibration is to act as a platform for dissemination of innovative and original research and development work in the area of acoustics and vibration. The target audience of the journal comprises both researchers and practitioners. Articles with innovative works of theoretical and/or experimental nature with research and/or application focus can be considered for publication in the journal. Articles submitted for publication in Advances in Acoustics and Vibration must neither have been published previously nor be under consideration elsewhere. Subject areas include (but are not limited to): Active, semi-active, passive and combined active-passive noise and vibration control Acoustic signal processing Aero-acoustics and aviation noise Architectural acoustics Audio acoustics, mechanisms of human hearing, musical acoustics Community and environmental acoustics and vibration Computational acoustics, numerical techniques Condition monitoring, health diagnostics, vibration testing, non-destructive testing Human response to sound and vibration, Occupational noise exposure and control Industrial, machinery, transportation noise and vibration Low, mid, and high frequency noise and vibration Materials for noise and vibration control Measurement and actuation techniques, sensors, actuators Modal analysis, statistical energy analysis, wavelet analysis, inverse methods Non-linear acoustics and vibration Sound and vibration sources, source localisation, sound propagation Underwater and ship acoustics Vibro-acoustics and shock.