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Author:

高经纬 (高经纬.) | 肖艳 (肖艳.) | 范立峰 (范立峰.)

Abstract:

本文基于扩展有限元法模拟不同尺寸和倾角三维椭球形缺陷的启裂行为,随后引入压缩度描述缺陷扁平程度,最后讨论缺陷倾角和压缩度对其启裂载荷的影响.结果表明:当缺陷形状呈扁椭球形时,随倾角(缺陷倾向与力方向的夹角)增加,启裂载荷先减小后增加.当缺陷形状呈近球形时,启裂载荷随倾角增加变化轻微.当缺陷倾角为0°时,其启裂载荷随压缩度增加先减小后增加.当倾角为15°,30°,45°,60°和75°时,启裂载荷随压缩度增加而减小.

Keyword:

启裂载荷 开裂行为 三维椭球形缺陷 缺陷尺寸 缺陷倾角

Author Community:

  • [ 1 ] [范立峰]北京工业大学
  • [ 2 ] [高经纬]北京工业大学
  • [ 3 ] [肖艳]北京工业大学

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Source :

力学与实践

ISSN: 1000-0879

Year: 2022

Issue: 3

Volume: 44

Page: 598-604

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 1

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