Numerical Simulation of Shock and Vibration Tests for Converter Cabinet

doi:10.13890/j.issn.1000-128x.2012.01.023

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Numerical Simulation of Shock and Vibration Tests for Converter Cabinet

更新时间：2021-12-13

- Numerical Simulation of Shock and Vibration Tests for Converter Cabinet
- Electric Drive for Locomotives Issue 1, Pages: 62-65(2012)
- 作者机构：
  
  1. 株洲南车时代电气股份有限公司技术中心
- 作者简介：
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- DOI：10.13890/j.issn.1000-128x.2012.01.023
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Numerical Simulation of Shock and Vibration Tests for Converter Cabinet. [J]. Electric Drive for Locomotives (1):62-65(2012)
DOI：

Numerical Simulation of Shock and Vibration Tests for Converter Cabinet. [J]. Electric Drive for Locomotives (1):62-65(2012) DOI： 10.13890/j.issn.1000-128x.2012.01.023.

摘要

根据标准GB/T 21563—2008《轨道交通机车车辆设备冲击和振动试验》，采用ANSYS 有限元分析软件计算了随机振动环境下的响应，得到了结构的1σ、2σ、3σ Von Mises 最大应力。利用材料的S-N 曲线，并根据Steinberg 提出结构在随机载荷作用下的响应是基于高斯分布和Miner 提出的线性疲劳累计损伤理论，对设计的结构在给定随机振动环境下的疲劳寿命进行了预估。运用瞬态动力学分析方法模拟了冲击试验过程中的受力情况。

Abstract

According to the standard GB/T 21563 2008 ’Railway applications- Rolling stock equipment- Shock and vibration tests’, the responses of the structure under random loading were computed by the finite-element analysis software ANSYS. From the results, the maximum of the 1 2 and 3 Von Mises stress was obtained. Utilizing the S-N curve of the materials, and according to Steinberg’s Gaussian distribution of responses under random loading and Miner’s linear fatigue accumulation rule, the life prediction of the structure under random loading was carried out. The transient dynamics analysis was also performed for shock tests.

关键词

变流器随机振动疲劳寿命冲击瞬态动力学

Keywords

converterrandom vibrationfatigue lifeshocktransient dynamics

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