用阻抗管和传输损耗测量表征各向同性薄板的弹性参数:一种数值反演方法

IF 1.3 4区 医学 Q3 AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY
K. Verdière, Simon Campeau, Julien Biboud
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引用次数: 0

摘要

薄板广泛应用于各种工程应用,包括航空航天、汽车和建筑行业。这些板的力学性能,如杨氏模量、泊松比和结构阻尼,是决定其声学性能的关键。虽然有各种方法可以单独或同时测量这些特性,但由于薄板的微妙结构和对高精度和敏感设备的需求,准确地获得它们可能是困难的。在本文中,我们提出了一种数值反演方法来表征各向同性薄板的弹性参数,该方法使用阻抗管和夹紧的圆形试样的传输损耗测量结果。将所提出的方法与奥伯斯特光束技术(ASTM E756-05)进行了比较,并通过几个例子进行了演示,最终允许通过在小型混响室中进行强度测量来预测扩散场传输损耗。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Characterizing elastic parameters of isotropic thin plates using impedance tube and transmission loss measurements: a numerical inverse method
Thin plates are widely used in various engineering applications, including aerospace, automotive, and construction industries. The mechanical properties of these plates, such as Young's modulus, Poisson's ratio, and structural damping, are essential in determining their acoustic performance. While there are various methods for measuring these properties individually or simultaneously, accurately obtaining them can be difficult due to the thin plate's delicate structure and the need for high precision and sensitive equipment. In this paper, we present a numerical inverse method for characterizing the elastic parameters of isotropic thin plates using transmission loss measurements obtained from an impedance tube and clamped circular specimen. The proposed method is compared to the Oberst beam technique (ASTM E756-05), and demonstrated through several examples ultimately allowing for the prediction of diffused field transmission loss obtained through intensity measurements in a small reverberant room.
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来源期刊
Noise & Health
Noise & Health AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY-PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH
CiteScore
2.10
自引率
14.30%
发文量
27
审稿时长
6-12 weeks
期刊介绍: Noise and Health is the only International Journal devoted to research on all aspects of noise and its effects on human health. An inter-disciplinary journal for all professions concerned with auditory and non-auditory effects of occupational, environmental, and leisure noise. It aims to provide a forum for presentation of novel research material on a broad range of topics associated with noise pollution, its control and its detrimental effects on hearing and health. It will cover issues from basic experimental science through clinical evaluation and management, technical aspects of noise reduction systems and solutions to environmental issues relating to social and public health policy.
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