Modal analysis of impact test platform

2018 3rd International Conference on Insulating Materials, Material Application and Electrical Engineering

材料科学;无线电电子学;电工学

Lin, Yang^1 ; Song, Mengmeng^2 ; Zhou, Xiaojun^1 ; Xiao, Shungen^1,2

School of Mechatronic Engineering and Automation, Shanghai University, Shanghai, China^1

School of Information, Mechanical and Electrical Engineering, Ningde Normal University, Ningde, China^2

关键词: Impact dynamics;    Impact loadings;    Impact loads;    Nonlinear finite element method;    Strength margins;    Test platforms;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/452/4/042139/pdf
DOI  :  10.1088/1757-899X/452/4/042139

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

In this paper, the impact dynamics and nonlinear finite element method are analysed systematically. The static analysis of the test platform was carried out, and the result of the static analysis showed that the stress concentration existed in the connector and it had a large strength margin. Modal analysis is carried out on the test platform. Through modal analysis, the natural frequency of the test platform is obtained. The impact load response is determined to be the category of complex impact by comparing the impact loading time of the hammer system.