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一种使用VMQ硅橡胶确定隔振静态和动态材料参数的低应力方法。

A Low-Stress Method for Determining Static and Dynamic Material Parameters for Vibration Isolation with the Use of VMQ Silicone.

作者信息

Nering Krzysztof, Nering Konrad

机构信息

Faculty of Civil Engineering, Cracow University of Technology, 31-155 Cracow, Poland.

Faculty of Mechanical Engineering, Cracow University of Technology, 31-155 Cracow, Poland.

出版信息

Materials (Basel). 2023 Apr 7;16(8):2960. doi: 10.3390/ma16082960.

DOI:10.3390/ma16082960
PMID:37109796
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10142812/
Abstract

Progressive urbanisation causes building users to be affected by increasing amounts of noise and vibrations that come from transportation and other building users. This article presents a test method that can be used to identify quantities of methyl vinyl silicone rubber (VMQ) necessary to carry out solid mechanics finite element method simulations such as Young's modulus, Poisson ratio, and damping parameters. These parameters are necessary to model the vibration isolation used for protection against noise and vibration. The article uses an original combination of dynamic response spectrum and image processing methods to determine these quantities. The tests were carried out using one machine for the range of normal compressive stresses of 64-255 kPa with cylindrical samples of various shape factors in the range of 1-0.25. The parameters for the simulation of solid mechanics in statics were obtained from image processing based on the deformation of the sample under load; for dynamic solid mechanics, the parameters were obtained from the response spectrum of the tested system. The article shows the possibility of determining the given quantities using the original method of the synthesis of dynamic response and FEM-supported image analysis, which states the article's novelty. Additionally, limitations and preferred ranges of sample deformation in terms of load stress and shape factor are presented.

摘要

城市化进程的推进使得建筑使用者受到来自交通及其他建筑使用者产生的越来越多的噪音和振动的影响。本文提出了一种测试方法，可用于确定进行固体力学有限元法模拟（如杨氏模量、泊松比和阻尼参数）所需的甲基乙烯基硅橡胶（VMQ）的量。这些参数对于模拟用于防噪减振的隔振是必要的。本文采用动态响应谱和图像处理方法的原始组合来确定这些量。测试使用一台机器，针对64 - 255 kPa的正常压缩应力范围，采用形状因子在1 - 0.25范围内的各种圆柱形样品进行。静态固体力学模拟的参数通过基于负载下样品变形的图像处理获得；对于动态固体力学，参数从测试系统的响应谱中获得。本文展示了使用动态响应合成和有限元支持的图像分析的原始方法来确定给定数量的可能性，这体现了本文的新颖性。此外，还给出了在负载应力和形状因子方面样品变形的限制和优选范围。

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