Infrared and Laser Engineering, Volume. 52, Issue 5, 20220767(2023)
Topology optimization method for key structures of electro-optic systems of loitering munition
Figures & Tables(10)
Fig. 1. Schematic diagram of electro-optic systems for loitering munition
Fig. 2. Finite element model of optical bench component: (a) View 1; (b) View 2
Fig. 4. Schematic diagram of topology optimized result for optical bench with element density
Fig. 5. Schematic diagram of topology optimized result of optical bench
Fig. 6. (a) Optimized convergence curve of the optical bench mass; (b) Optimized convergence curve of
Fig. 7. (a) Geometric model of reconstructed optical bench; (b) Finite element model of reconstructed optical bench
Fig. 8. The first modal shape of optimized reconstructed optical bench component
Fig. 9. Deformation charts of optimized reconstructed optical bench component under acceleration conditions in
Table 1. Comparison of experience design and topology optimized design for optical bench
View tableView in ArticleTable 1. Comparison of experience design and topology optimized design for optical bench
Experience design Optimized design Performance improvement Mass/kg 2.57 1.995 +22.4% f1/Hz 149.7 154.3 +3.07% f2/Hz 279.4 290.9 +4.12% f3/Hz 334.3 298.1 −10.83% Cx/N·mm 13.83 10.2 +26.25% Uxmax/mm 0.024 0.017 +29.17% Cy/N·mm 10.89 9.47 +13.04% Uymax/mm 0.019 0.015 +21.05% Cz/N·mm 129.36 100.29 +22.47% Uzmax/mm 0.325 0.256 +21.23%
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Hu Liu, Lei Zhu, Yan Wu, Yu Gao, Weiliang Yan, Kai Cui. Topology optimization method for key structures of electro-optic systems of loitering munition[J]. Infrared and Laser Engineering, 2023, 52(5): 20220767
Paper Information
Category: Optical design
Received: Oct. 30, 2022
Accepted: --
Published Online: Jul. 4, 2023
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