Mesoscale modeling of dynamic fracture of ceramic materials

被引：0
|
作者：
Maiti, Spandan [1 ]
Geubelle, Philippe H. [1 ]
机构：
[1] Dept. Aeronautical Engineering, Univ. Illinois at Urbana-Champaign, Urbana, IL 61801, United States
来源：
CMES - Computer Modeling in Engineering and Sciences | 2004年 / 5卷 / 02期
关键词：
Brittleness - Computer simulation - Cracks - Finite element method - Fracture - Grain boundaries - Grain size and shape - Mathematical models - Microstructure - Polycrystalline materials;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The dynamic propagation and branching of a mode I crack in polycrystalline brittle materials like ceramics are investigated numerically using a 2-D explicit grain-based cohesive/volumetric finite element scheme. The granular microstructure of the ceramics is taken into account and the crack is restricted to propagate along the grain boundaries. Special emphasis is placed on studying the effect of grain size and cohesive parameters on the crack branching instability.
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页码：91 / 101
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