Assessment of cohesive traction-separation relationships in ABAQUS: A comparative study

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• 作者：Kyoungsoo Park^a ; ^{k-park@yonsei.ac.kr} ; Habeun Choi^a ; Glaucio H. Paulino^b
• 关键词：Abaqus ; Cohesive zone model ; PPR model ; Traction-separation relationship ; Nonlinear fracture mechanics
• 刊名：Mechanics Research Communications
• 出版年：2016
• 出版时间：December 2016
• 年：2016
• 卷：78
• 期：part_PB
• 页码：71-78
• 全文大小：2819 K
• 卷排序：78

文摘

The traction-separation relationship of Abaqus can lead to non-physical responses. Negative tangent stiffness within the softening region is not guaranteed in the Abaqus model. The consistency of the traction-separation relationships is addressed.