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20 September 2022 Optimization design of a bracket based on on-orbit operating environment
Cunyi Wang, Jian Zhao, Yingwei Wang, Ning Huang, Dapeng Wang, Dongdong Li, Zhengang Yan
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Proceedings Volume 12261, International Conference on Mechanical Design and Simulation (MDS 2022); 122611X (2022) https://doi.org/10.1117/12.2638797
Event: Second International Conference on Mechanical Design and Simulation (MDS 2022), 2022, Wuhan, China
Abstract
According to the requirements of bracket lightweight, high stiffness and on-orbit operation, the variable density method topological optimization theory is applied to the bracket optimization design. Firstly, the total flexibility of the bracket is the target function, and the material volume as the constraint function. A mathematical model applied to the target topology optimization calculation is established, and the optimization parameters are determined. Secondly, by analysing the various load working conditions of the bracket and analysing the optimization results of multi-load conditions together, the optimized design reduced the bracket quality by 51% from the initial model, the overall fundamental frequency of the bracket and connectors is 321Hz, which is higher than the index requirements. Through the simulation and verification, the bracket meets the strength requirements and verifies the rationality of the structure optimization design.
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Cunyi Wang, Jian Zhao, Yingwei Wang, Ning Huang, Dapeng Wang, Dongdong Li, and Zhengang Yan "Optimization design of a bracket based on on-orbit operating environment", Proc. SPIE 12261, International Conference on Mechanical Design and Simulation (MDS 2022), 122611X (20 September 2022); https://doi.org/10.1117/12.2638797
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KEYWORDS
Optimization (mathematics)
Space operations
Structural design
Finite element methods
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