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http://dx.doi.org/10.14775/ksmpe.2020.19.03.086

A Comparison of the Direct Shear Test and Shear Simulation Based on the Discrete Element Method  

Jung, Sung-Heon (Graduate School of Mechanical Design Engineering, PKNU)
Sohn, Jeong-Hyun (Department of Mechanical Design Engineering, PKNU)
Publication Information
Journal of the Korean Society of Manufacturing Process Engineers / v.19, no.3, 2020 , pp. 86-91 More about this Journal
Abstract
An important factor of rough road modeling is analyzing the shear behavior properties of the rough road. These properties influence the drawbar pull of the tool when interacting with the soil used in agriculture. Furthermore, shear behavior properties are important because sinkage and shear stress are generated when wheels drive on rough roads. In this study, we performed a direct shear test to investigate the shear behavior properties of soils and compare with the direct shear simulation; shear force derived by the coupled analysis of discrete element method; and multi-body dynamics. Soil contact parameters were measured in a wheel and soil contact simulation followed by comparison of the simulated and experimentally measured shear force.
Keywords
Direct Shear Test; Discrete Element Method; Computer Simulation; Contact;
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