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作者:

Wu, S. (Wu, S..) | Fang, S. (Fang, S..)

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EI Scopus SCIE

摘要:

We present a discrete rotating crack method embedded in the element-free Galerkin method. The crack is represented by discrete cohesive crack segments only passing through nodes. The discrete crack segments are introduced when the tensile strength in the material is exceeded and the crack segments are oriented perpendicular to the direction of the maximum principal stress. The orientation of the crack segments are rotated when directional changes in the maximum principal stress occur. It will be shown that fixed crack models lead to over-smearing the crack and too stiff responses of the system. The advantage of this method is that no representation of the crack surface is needed.

关键词:

computational mechanics concrete crack EFG enrichment fracture material failure meshless partition of unity

作者机构:

  • [ 1 ] [Wu, S.]Beijing Univ Technol, Dept Engn Mech, Beijing, Peoples R China
  • [ 2 ] [Fang, S.]Beijing Univ Technol, Dept Engn Mech, Beijing, Peoples R China

通讯作者信息:

  • [Wu, S.]Beijing Univ Technol, Dept Engn Mech, Beijing, Peoples R China

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来源 :

INTERNATIONAL JOURNAL OF DAMAGE MECHANICS

ISSN: 1056-7895

年份: 2009

期: 8

卷: 18

页码: 721-737

4 . 2 0 0

JCR@2022

ESI学科: ENGINEERING;

JCR分区:2

中科院分区:1

被引次数:

WoS核心集被引频次: 7

SCOPUS被引频次: 9

ESI高被引论文在榜: 0 展开所有

万方被引频次:

中文被引频次:

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