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Author:

雷钧 (雷钧.) | 黄祎丰 (黄祎丰.) | 杨庆生 (杨庆生.) (Scholars:杨庆生)

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CQVIP PKU CSCD

Abstract:

采用时域边界元法对动态载荷作用下材料中裂纹的快速扩展过程进行数值模拟.计算中,裂纹动态扩展方向根据最大周向应力准则确定,扩展瞬时速度基于二分法迭代确定.在每个扩展时间步,通过在运动裂尖添加新的裂纹单元来模拟裂纹扩展.算例与实验及数值结果进行对比,验证了该方法的准确性.

Keyword:

时域边界元法 动态扩展 二分法 裂纹

Author Community:

  • [ 1 ] [雷钧]北京工业大学
  • [ 2 ] [黄祎丰]北京工业大学
  • [ 3 ] [杨庆生]北京工业大学

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Source :

北京工业大学学报

ISSN: 0254-0037

Year: 2013

Issue: 6

Volume: 39

Page: 806-810

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 3

Chinese Cited Count:

30 Days PV: 3

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