Modeling rational geometric configuration of a boom of mine loading and delivery machine based on the method of topological optimization

For shipment of rock mass, different types of loading and haulage machines (LHM) are most often used. The object of research in this paper is the power elements of the LHM. As an example, one of the main parts of a mine LHM – a boom – is considered. The subject of research is a specific task of designing a boom based on the topology optimization method. The purpose of the study is to optimize the distribution of material in the design space, reducing the mass of the boom compared to traditional design. At the same time, the requirements for maintaining the strength and stiffness of the structure remain unchanged. Topology optimization methods and application algorithms are described. The KOMPAS-3D three-dimensional design system from ASKON is used for modeling. Topological optimization of models is carried out in the APM FEM application for KOMPAS-3D. The calculation core of the APM FEM system is the APM Structure3D program. The study is conducted using the finite element method (FEM). The study sequences are: the model is tested for strength; topological optimization of the design element is performed; the geometry is «smoothed»; a verification strength calculation of the design with optimized elements is performed. 10-node tetrahedrons were selected to create a finite element mesh. The result is a 3D model of the boom, the mass of which was reduced by 20% with the same stress and strength values as the prototype. The optimization results showed the effectiveness of the topological optimization method.

Zasypkina S. A., Raevskaia L. T. Modeling rational geometric configuration of a boom of mine loading and delivery machine based on the method of topological optimization. MIAB. Mining Inf. Anal. Bull. 2025;(12-1):18-31. [In Russ]. DOI: 10.25018/0236_1493_2025_121_0_18.

S.A. Zasypkina¹, Сand. Sci. (Eng.), Assistant Professor, UMMC Technical University, 624091, Verkhnyaya Pyshma, Russia, University, e-mail: zasypkina.s@m.ursmu.ru,
L.T. Raevskaia¹, Cand. Sci. (Phys. Mathem.), Assistant Professor, e-mail: ltrvsk@yandex.ru,
¹ Ural State Mining University, 620144, Ekaterinburg, Russia.

S.A. Zasypkina, e-mail: zasypkina.s@m.ursmu.ru.

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