Agricultural Engineering, Volume 47

WEAR MODEL DEVELOPMENT OF SOIL TILLAGE ELEMENT

Remigijus Skirkus, Vytenis Jankauskas
Aleksandras Stulginskis University

Abstract

In the last ten years computer technology and fast development of numerical methods enabled numerical modelling by applying the finite element method (FEM). For our research we selected SIMULIA ABAQUS because it has huge library, detailed documentation, user friendly interface, many built in functions. In this study we have modelled two bodies: soil material and the wearing element of cultivator part. We chose the so called Coupled Eulerian Lagrangian method for solving our problem. This method captures the advantages of the Lagrangian and the Eulerian methods. Developed model shows realistic results because observed contact pressure zones match the same regions on weared cultivator element – the highest wear where highest contact pressure. The highest contact pressure was observed on cultivator element front edge bottom corner – 19 MPa.

Keyword(s): wear model, soil model, cultivator


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Agricultural Engineering ISSN 1392-1134 / eISSN 2345-0371

This journal is published under the terms of the Creative Commons Attribution-Noncommercial 3.0 Unported License. Responsible editor: Dr A. Žunda.