An Image-Based Double-Smoothing Cohesive Finite Element Framework for Particle-Reinforced Materials

Xiaoming Bai, Xue Mi, Hai Xie, Kaikai Shi, Furui Xiong, Yixiong Zhang and Licheng Guo
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Xiaoming Bai: Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China, Chengdu 610213, China
Xue Mi: Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China, Chengdu 610213, China
Hai Xie: Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China, Chengdu 610213, China
Kaikai Shi: Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China, Chengdu 610213, China
Furui Xiong: Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China, Chengdu 610213, China
Yixiong Zhang: Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China, Chengdu 610213, China
Licheng Guo: Department of Astronautic Science and Mechanics, Harbin Institute of Technology, Harbin 150001, China

Mathematics, 2020, vol. 8, issue 4, 1-15

Abstract: In order to simulate the fracture process of particle-reinforced materials on the micro-scale, an image-based double-smoothing cohesive finite element framework is proposed in the present paper. Two separate smoothing processes are performed to reduce the noise in the digital image and eliminate the jagged elements in the finite element mesh. The main contribution of the present study is the proposed novel image-based cohesive finite element framework, and this method improved the quality of the meshes effectively. Meanwhile, the artificial resistance due to the jagged element is reduced with the double-smoothing cohesive finite element framework during the crack propagation. Therefore, the image-based double-smoothing cohesive finite element framework is significant for the simulation of fracture mechanics.

Keywords: particle-reinforced materials; finite element reconstruction; double-smoothing method; fracture (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2020
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