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author:

林谢昭 (林谢昭.) [1] | 王福振 (王福振.) [2]

Indexed by:

PKU CSCD

Abstract:

为提高机架螺纹连接寿命,运用弹塑性接触有限元方法对拉杆连接螺纹进行强度分析,结合参数化建模,建立考虑牙间均载和应力峰值的多目标优化模型,采用径向基函数(RBF)神经网络方法和带精英策略的非支配排序遗传算法(NSGA-Ⅱ)求解.结果表明:牙侧角约为15°时,牙间轴向载荷分布不均匀率减小13.6%,等效应力峰值减小6.9%,第一主应力峰值减小11.5%.

Keyword:

多目标优化 有限元分析 螺纹连接 遗传算法

Community:

  • [ 1 ] [林谢昭]福州大学
  • [ 2 ] [王福振]福州大学

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Source :

中国机械工程

ISSN: 1004-132X

Year: 2017

Issue: 17

Volume: 28

Page: 2024-2028

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 4

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