Reliability Analysis for the Gear Fracture based on Energy Release Rate Criterion

Song Ping; Song Feifei

doi:10.16578/j.issn.1004.2539.2015.07.040

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Reliability Analysis for the Gear Fracture based on Energy Release Rate Criterion

更新时间：2022-10-20

- Reliability Analysis for the Gear Fracture based on Energy Release Rate Criterion
- Vol. 39, Issue 7, Pages: 165-166(2015)
- 作者机构：
  
  1. 浙江建设职业技术学院
  2. 长春建筑学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2015.07.040
  CLC：
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[1]宋平,宋非非.基于能量释放率准则的齿轮断裂可靠性分析[J].机械传动,2015,39(07):165-166+186.

Song Ping, Song Feifei. Reliability Analysis for the Gear Fracture based on Energy Release Rate Criterion. [J]. 39(7):165-166(2015)
[1]宋平,宋非非.基于能量释放率准则的齿轮断裂可靠性分析[J].机械传动,2015,39(07):165-166+186. DOI： 10.16578/j.issn.1004.2539.2015.07.040.

Song Ping, Song Feifei. Reliability Analysis for the Gear Fracture based on Energy Release Rate Criterion. [J]. 39(7):165-166(2015) DOI： 10.16578/j.issn.1004.2539.2015.07.040.

摘要

基于能量释放率准则,提出了含裂纹齿轮断裂可靠性分析模型。首先,从能量角度出发,推导了含裂纹齿轮能量释放率的表达式,然后将影响齿轮断裂的材料参数、裂纹尺寸、载荷等视为随机变量,以能量释放率为准则,建立含裂纹结构失效的功能函数,并通过一次二阶矩法和随机有限元法求解出可靠度。算例表明,本方法有较高的精度和计算效率。

Abstract

Based on energy release rate criterion,a reliability analysis model is presented for the gear fracture. Firstly,the formula of gear fracture energy release rate is deduced,then the material parameter,crack size,load which affecting on gear fracture are regarded as random variables. The performance function of the crack structure failure is built by taking advantage of the energy release rate criterion. The first- order second-moment method and stochastic finite element method are used to calculate the reliability. The computation results show that this suggested method has advantages of high accuracy and efficiency.

关键词

可靠性裂纹断裂能量释放率一次二阶矩法

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