Simplified DEM-Based Modelling and Simulation of the Track Ballast
Youngwoong Kwon,
Jihun Song,
Nam-Hyoung Lim
et al.
Abstract:This study proposes a rational method for modelling ballast in tracks based on the discrete element method (DEM) approach. To simulate a ballast consisting of a group of gravels, it is essential to use the discrete element method. The ballast comprises randomly arranged gravels of unspecified shapes, and requires multiple steps and a separate house code for implementing the ballast. In this study, a simplified ballast analysis model using the parallel bond method (PBM) is proposed and verified through comparis… Show more
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