Computational homogenization of discrete fracture in fibre-epoxy systems

被引：0
|
作者：
M. V. Cid Alfaro
A. S. J. Suiker
C. V. Verhoosel
R. de Borst
机构：
[1] Delft University of Technology,Faculty of Aerospace Engineering
[2] Eindhoven University of Technology,undefined
来源：
International Journal of Material Forming | 2009年 / 2卷
关键词：
Computational homogenization; Discrete fracture; Fibre-epoxy systems; GLARE;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In the present paper the effective mesoscale failure response of a fibre-epoxy sample is computed from its complex microscale fracture behaviour. The mesoscale failure response is represented by a traction-separation curve derived from numerically homogenizing the fracture response of a periodic fibre-epoxy microstructure loaded under uniaxial tension. The traction-separation curve can be applied in material points of interface elements that are used for simulating mode I mesoscopic fracture in macroscopic laminate failure problems. The effect of the size of the microscopic fibre-epoxy sample on the mesoscale failure response is examined, as well as the effect of local imperfections at fibre- epoxy interfaces.
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收藏
页码：931 / 934
页数：3
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