Application Progress of Discrete Element Method in Agricultural Engineering

doi:10.11924/j.issn.1000-6850.casb17010049

Abstract

Abstract: This paper introduced the research results of discrete element method in the field of agricultural engineering, according to the different aspects in agricultural engineering realm, discussed discrete element method recently application situation in the soil grain, agricultural particle material, single medium in multiphase flow, respectively, and pointed out some corresponding problems, like the limited orders of magnitude, inaccurate particle model, complicated work condition, etc. Proposed the future research trend of discrete element method: developed professional discrete element method software for agricultural, improved the efficiency of the operation of particle group; through accurately gained the material mesoscopic parameters, perfected contact model at the theoretical basis, in order to make result of simulation and real experiment closely; coupled discrete element method with other software, through the API secondary development, broaden the application of discrete element method in particles complex movement.

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