一种研究几何参数对开尔文孔泡沫振声特性影响的方法

IF 4.9 2区工程技术 Q1 ACOUSTICS

Journal of Sound and Vibration Pub Date : 2025-08-23 DOI:10.1016/j.jsv.2025.119405

Zenong Cai , Vicente Cutanda Henrìquez , Aminul Islam , Frieder Lucklum

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引用次数: 0

摘要

开尔文单元被广泛认为是多孔结构的一种简化表示。在本研究中，采用实验和模拟的方法研究了基于开尔文细胞的泡沫材料的振动特性。为了研究不同的泡沫几何参数，如孔的位置、尺寸等，我们设计了3d打印的测量样品。测试是通过激光振动测量和接触传输测量来进行的。结合有限元法和边界元法进行了仿真，并通过实测结果对比验证了模型的正确性。随后，我们利用模拟研究了具有实际尺寸孔的开尔文孔泡沫的几何参数对振声行为的影响。研究结果为进一步研究用于小型机械设备隔振的多孔结构设计提供了基础。

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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A method to investigate the influence of geometry parameters on the vibroacoustic behavior of Kelvin cell foam

The Kelvin cell is widely recognized as a simplified representation of porous structures. In this study, experiments and simulations are used to investigate the vibration behavior of foams based on Kelvin cells. To study different foam geometry parameters, such as hole position, size, and so on, we design 3D-printed measurement samples. Tests are conducted through laser vibrometry and contact transmission measurements for vibroacoustic behavior. Simulations combining the Finite Element Method and Boundary Element Method are conducted and the models are validated by comparing measurement results. Subsequently, we use the simulation to investigate the influence of geometry parameters of Kelvin cell foam with real-size holes on the vibroacoustic behavior. The results of this study provide a basis for further research on the design of porous structures used for vibration isolation of small machinery and devices.

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来源期刊

Journal of Sound and Vibration 工程技术-工程：机械

CiteScore

9.10

自引率

10.60%

发文量

551

审稿时长

69 days

期刊介绍： The Journal of Sound and Vibration (JSV) is an independent journal devoted to the prompt publication of original papers, both theoretical and experimental, that provide new information on any aspect of sound or vibration. There is an emphasis on fundamental work that has potential for practical application. JSV was founded and operates on the premise that the subject of sound and vibration requires a journal that publishes papers of a high technical standard across the various subdisciplines, thus facilitating awareness of techniques and discoveries in one area that may be applicable in others.