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Author:

尚德广 (尚德广.) (Scholars:尚德广) | 王大康 (王大康.) | 姚卫星 (姚卫星.)

Abstract:

根据疲劳损伤具有局部性的特点,在应力场强法的基础上,提出了缺口疲劳损伤局部应力应变场理论,该理论可同时考虑缺口根部局部应力应变梯度对疲劳损伤的影响。通过对缺口件进行随机交变加载下的弹塑性有限元分析,提出一种随机加载疲劳寿命预测的局部应力应变场强法,由该法来预测缺口件疲劳裂纹形成寿命,其精度要好于传统的局部应力应变法。

Keyword:

局部应力应变场强 寿命预测 弹塑性有限元分析 疲劳损伤 随机加载

Author Community:

  • [ 1 ] 北京工业大学机电学院
  • [ 2 ] 南京航空航天大学飞行器系

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Source :

Year: 2000

Language: Chinese

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 14

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