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Erschienen in:
2016 | OriginalPaper | Buchkapitel
Optimization for the Structure of Front Transmission Gearbox
verfasst von : Zhenqi Yu
Erschienen in: Proceedings of the 5th International Conference on Electrical Engineering and Automatic Control
Verlag: Springer Berlin Heidelberg
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Abstract
By applying finite element method and static analysis, the front transmission gearbox model of a tracked vehicle is simplified and the boundary conditions treatment and finite element mesh generation techniques were used to ensure the correctness of the analysis. Then, based on the analysis and computation, the displacement and stress distribution of the gearbox are calculated. Then, dynamic modal analysis is conducted for the gearbox to obtain the natural frequencies of various orders and the corresponding vibration modes in constraint mode, which provided basis for subsequent structure optimization. According to the results of finite element computation, the strength and the stiffness of each part of the gearbox are analyzed and the weak link is obtained. After extending the design space, the structure is redesigned through topology optimization to improve the strength and stiffness.