Research Status on the Helical Conveying Characteristics of Agricultural Materials Based on the Discrete Element Method

Xiaoyuan Zhang; Yishan Liu; Jingang Zhang; Haoyuan Chen; Ziyu Wen

doi:10.6911/WSRJ.202508_11(8).0004

Authors

Xiaoyuan Zhang
Yishan Liu
Jingang Zhang
Haoyuan Chen
Ziyu Wen

DOI:

https://doi.org/10.6911/WSRJ.202508_11(8).0004

Keywords:

Screw conveyor; Particle; Agricultural materials; Discrete Element Method (DEM).

Abstract

The efficient conveying and processing of agricultural materials are core links in the development of modern agricultural mechanization. As a key technology for studying the dynamics of granular systems at the mesoscopic scale, the Discrete Element Method (DEM) provides an innovative pathway to reveal the mechanisms of agricultural material processing and conveying. This paper systematically reviews the research progress of the discrete element method in the field of agricultural material processing and helical conveying, focusing on the construction of multi-layer structural models, contact parameter calibration methods, process simulation applications, and performance optimization of screw conveyors. The discrete element method can accurately simulate the motion trajectories, force characteristics, and equipment wear patterns of agricultural materials during helical conveying, significantly improving conveying efficiency and optimizing energy consumption. Current research still faces challenges such as multi-physical field coupling modeling and dynamic calibration of complex working condition parameters. In the future, it is necessary to strengthen the deep integration of the discrete element method with machine learning and experimental verification to provide a more solid theoretical foundation for the intelligent design of agricultural equipment.

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