某型轨式发射装置振动疲劳强度分析

谢军虎; 占学红

doi:10.15892/j.cnki.djzdxb.2012.05.054

弹箭与制导学报 >

2012 , Vol. 32 >Issue 5: 171 - 174

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2012.05.054

摘要

疲劳分析属于当今国内仿真领域的一个共性难题,由于实验无法测得发射装置危险部位的应力水平,文中通过计算结果与实验结果的对比,以计算结果为依据,结合试验对危险部位应力进行修正,从而得到发射装置危险部位的均方根应力,继而得到产品的疲劳寿命。

关键词： 疲劳强度; 功率谱密度; 随机响应

本文引用格式

谢军虎 , 占学红 . 某型轨式发射装置振动疲劳强度分析[J]. 弹箭与制导学报, 2012 , 32(5) : 171 -174 . DOI: 10.15892/j.cnki.djzdxb.2012.05.054

Abstract

Fatigue analysis is one of common problems in domestic simulation field, because the stress level of the launcher's dangerous position can't be measured by the experiment. Compared with the calculation results and experimental results, based on the calculation results, the stress of dangerous sections was revised with the experiment in this paper. Furthermore, the RMS stress of the launcher's dangerous position and the fatigue life of the products were gotten.

Key words： fatigue strength; power spectral density; random response

参考文献

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