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Author:

焦敬品 (焦敬品.) (Scholars:焦敬品) | 孟祥吉 (孟祥吉.) | 何存富 (何存富.) (Scholars:何存富) | 吴斌 (吴斌.)

Abstract:

  针对金属构件中疲劳裂纹检测难题,进行非线性兰姆波疲劳裂纹检测方法研究。建立了板结构非线性兰姆波疲劳裂纹检测模型,研究了裂纹宽度和长度对非线性响应的影响,提取出可用于裂纹表征的和频非线性特征参数。数值仿真研究表明,非线性特征参数随裂纹长度增加而增大,随裂纹宽度增加而减小。在此基础上,进行了金属板结构中疲劳裂纹非线性检测实验研究,结果表明,提出的和频非线性特征参数可用于板中微裂纹的定量表征。

Keyword:

非线性兰姆波 旁瓣 微裂纹

Author Community:

  • [ 1 ] [孟祥吉]北京工业大学 100124

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Source :

Year: 2016

Page: 1-3

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: -1

Chinese Cited Count:

30 Days PV: 7

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