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The choice of the right form of the moldboard plow design is often necessary to determine the tillage quality and to check its energy consumption. In this paper, two analytical methods based on the mathematical formulation of geometrical parameters were combined to design 3D shapes of moldboard plows simply and accurately. The impact of the geometrical parameter (θ) in the Bulgakov model, with four coefficients (a1, a2, a3, a4) of its polynomial equation, is investigated to show its dependence concerning the height (Z) of the moldboard plow. This study shows that for higher values of coefficients (a1, a2, a3, a4), a rearward slight rotation at the upper part of the moldboard was observed. Furthermore, by varying the coefficient of higher degree (a4), the variation of curvature will take place far from the tip of the plow.

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Numerical Approach for 3D Moldboard Plow Design

  • 会议论文

  • 发表日期：

    2025年

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  • Imen Lahmar,
  • Ayadi Ibrahmi,
  • Houssam Chouikhi,
  • Hatem Bentaher

摘要

The choice of the right form of the moldboard plow design is often necessary to determine the tillage quality and to check its energy consumption. In this paper, two analytical methods based on the mathematical formulation of geometrical parameters were combined to design 3D shapes of moldboard plows simply and accurately. The impact of the geometrical parameter (θ) in the Bulgakov model, with four coefficients (a1, a2, a3, a4) of its polynomial equation, is investigated to show its dependence concerning the height (Z) of the moldboard plow. This study shows that for higher values of coefficients (a1, a2, a3, a4), a rearward slight rotation at the upper part of the moldboard was observed. Furthermore, by varying the coefficient of higher degree (a4), the variation of curvature will take place far from the tip of the plow.