| Citation: | GAO Wuhao，CHEN Yongqin，SU Sanmai，et al.Structural optimization design of thrust reverser［J］.Journal of Aerospace Power，2022，37（8）：1724‑1731. doi: 10.13224/j.cnki.jasp.20210282
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According to the structure and working principle of the cascade thrust reverser，the kinematic and dynamic mathematical model of the thrust reverser was established.On this basis，the maximum load force of the thrust reverser on the actuating system was minimized as the objective function，and the geometric relationship of the moving parts was taken as the constraint condition，the structure optimization model of the thrust reverser was established.Through the kinematics and dynamics simulation of the thrust reverser，and the kinematics characteristics of the thrust reverser under different structural parameters，it was verified that the established model was reasonable and correct.Under the Matlab environment，the structure optimization of the thrust reverser was carried out by the penalty function method.Results showed that the optimized maximum load force of the thrust reverser in the positive direction decreased by 24.5%，and in the negative direction decreased by 16.3%，and the moving parts did not interfere，the whole thrust reverser can work normally.The modeling method and optimization results can provide reference for thrust reverser structural design.
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