| Citation: | CHEN S Z，LI D C，XIANG J W. Design optimization of tow-steered composite structure targeting on manufacturing cost[J]. Journal of Beijing University of Aeronautics and Astronautics，2023，49（9）：2423-2431 （in Chinese） doi: 10.13700/j.bh.1001-5965.2021.0677
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Due to a number of limitations, traditional composite structure design approaches are unable to completely use the design space of composite. The realization of tow-steered composite brings new opportunities for improvement of the performance of composites. In this research, a tow-steered composite structure design optimization method is established. The optimization method was based on the manufacturing process cost model, manufacturing cost was set as the target function, performance and manufacturing constraints were established, and the fiber path function method and shifted method were selected. On a high respect ratio wing, the tow-steered design optimization realized a 23.87% deduction on manufacturing cost and a 35.58% deduction on structural weight. The research further analyzed the impacts fiber path exerts on configuration, performance, weight, and manufacturing processes.
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