Análise comparativa de softwares para aplicação de métodos de otimização topológica

Abstract

The article presents a case study on the optimization of a spur cylindrical gear for power transmission. The introduction highlights the importance of optimizing structures in me chanical engineering, with the aim of designing more efficient, safe and economical com ponents in a competitive market. The methodology adopted involved the application of finite element simulation (FEM) to carry out the topological optimization of the gear. Initially, the material chosen for the part and the gear support areas were determined. Static simulation was then carried out to calculate the stresses and define the structure’s fixed points. After obtaining the results of the static simulation, topological optimization was applied, using an iterative process to determine the areas where the mass could be removed. The new geometry was validated by means of a new static simulation, checking that the maximum stresses and safety factor were within the desired limit. The results of the study showed that the mass of the structure was reduced by up to 30% in Ansys and 23.5% in Solidworks, with a slight reduction in the safety factor in both software packa ges. In addition, the new geometry showed organic and complex characteristics, making it more suitable for additive manufacturing. The speed of the ansys simulation and the ease of learning and using Solidworks were highlighted, as was the generation of graphics and the quality of the documentation in both software packages. In summary, the methodology adopted allowed for a significant reduction in gear mass, demonstrating the effectiveness of topological optimization. The results highlighted the environmental impact that the optimization process can have and the determination of the most suitable manufacturing process, as well as highlighting the importance of structural optimization in ensuring the efficiency and safety of mechanical systems. Keywords: Gear. Simulation. Manufacturing. Environmental. Reduction. Mass.