Abstract
The purpose of the research is to develop a model of the technological process of tillage, justify the initial and boundary conditions for the functioning of the model and determine the ratio of the physical and mechanical properties of the soil and the viscosity of the medium.As a model of the soil medium, it was proposed to use the rheological model of Newtonian viscous fluid, which allows using the methods of continuous media dynamics for modeling the technological process of soil treatment, and computational fluid dynamics for numerical implementation of the model. The initial and boundary conditions for the functioning of the model are substantiated and the ratio of the physical and mechanical properties of the soil and the viscosity of the medium are found. The results of determining the traction resistance of the tool and their comparison with the results obtained during laboratory experiments on the soil channel are presented. The proposed method of modeling the soil treatment allows you to analyze the power characteristics of the working bodies and the quality of the soil at the design stage of tillage machines. The obtained characteristics make it possible to optimize the structural and technological parameters of the working bodies of machines on the computer.
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