Volume 10 Issue 3
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Bi, Z., Sun, Q., Jin, F., Zhang, M., & Zhang, C. (2012). Temporal correlation of force and position in granular materials. Particuology, 10(3), 306–309. https://doi.org/10.1016/j.partic.2011.08.006
Temporal correlation of force and position in granular materials
Zhongwei Bi, Qicheng Sun*, Feng Jin, Ming Zhang, Chuhan Zhang
State Key Laboratory of Hydroscience and Engineering, Tsinghua University, Beijing 100084, China
10.1016/j.partic.2011.08.006
Volume 10, Issue 3, June 2012, Pages 306-309
Received 23 April 2011, Revised 22 August 2011, Accepted 25 August 2011, Available online 11 February 2012.
E-mail: qcsun@tsinghua.edu.cn

Highlights

► Quasi-static mechanics of dense granular materials under biaxial compression are investigated by using discrete element simulation. 

► The internal force network and its evolution are observed for different strains. 

► Correlation of force and position appropriately characterizes the bulk response and volumetric strain.

Abstract

We investigate the quasi-static mechanical response of dense granular materials under biaxial compressions by using discrete element simulation. The internal force network and its evolution are observed for different strains. Our results show that correlation of force and position appropriately characterize the bulk response and volumetric strain.

Graphical abstract
Keywords
Granular materials; Force chains; Correlation function