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Open AccessArticle

Effective Properties of Composites with Periodic Random Packing of Ellipsoids

by Xiaoying Zhuang 1,2,3,*, Qing Wang 1 and Hehua Zhu 1,3
1
Department of Geotechnical Engineering, Civil Engineering College, Tongji University, Shanghai 200092, China
2
Institute of Continuum Mechanics, Leibniz-University Hannover, 30167 Hannover, Germany
3
State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China
*
Author to whom correspondence should be addressed.
Materials 2017, 10(2), 112; https://doi.org/10.3390/ma10020112
Received: 26 October 2016 / Accepted: 3 January 2017 / Published: 26 January 2017
(This article belongs to the Special Issue Multiscale Methods and Application to Computational Materials Design)
The aim of this paper is to evaluate the effective properties of composite materials with periodic random packing of ellipsoids of different volume fractions and aspect ratios. Therefore, we employ computational homogenization. A very efficient MD-based method is applied to generate the periodic random packing of the ellipsoids. The method is applicable even for extremely high volume fractions up to 60%. The influences of the volume fraction and aspect ratio on the effective properties of the composite materials are studied in several numerical examples. View Full-Text
Keywords: multiscale modelling; computational homogenization; random periodic packing; molecular dynamics; composite properties multiscale modelling; computational homogenization; random periodic packing; molecular dynamics; composite properties
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Zhuang, X.; Wang, Q.; Zhu, H. Effective Properties of Composites with Periodic Random Packing of Ellipsoids. Materials 2017, 10, 112.

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