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Multi-objective topology optimization to reduce vibration of micro-satellite primary supporting structure
Tan, L. Y.; L. Li; S. Gu and D. Wang
2017
发表期刊Journal of Vibroengineering
卷号19期号:2
摘要We applied multi-objective topology optimization to reduce vibration of the primary supporting structure of video satellites in the frequency domain. The optimal structure is obtained by the multi-objective topology optimization with stiffness and random vibration response as the targets. This is compared with the optimal structure obtained by single-objective topology optimization with stiffness as the target. The dynamic analysis results show that the root mean square values in all three spatial directions of the optimal structure by the multi-objective optimization are smaller than that of the single-objective optimization. The maximal declining value reaches 2.94 g, and the maximal declining degree is 30.6 %. The maximal declining response value on the top of the cylinder reaches 3.87 g with a degree of 33.0 %. The results demonstrate that the multi-objective optimization method significantly improves the vibration response of the base plate, which therefore suppressed the vibration of the satellite. An acceptance condition experiment is performed for the satellite with the optimal base plate from the multi-objective optimization. The dynamic analysis results match well with the experimental data, and verify the applicability of the multi-objective optimization.
收录类别sci ; ei
语种英语
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/59210
专题中科院长春光机所知识产出
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Tan, L. Y.,L. Li,S. Gu and D. Wang. Multi-objective topology optimization to reduce vibration of micro-satellite primary supporting structure[J]. Journal of Vibroengineering,2017,19(2).
APA Tan, L. Y.,L. Li,&S. Gu and D. Wang.(2017).Multi-objective topology optimization to reduce vibration of micro-satellite primary supporting structure.Journal of Vibroengineering,19(2).
MLA Tan, L. Y.,et al."Multi-objective topology optimization to reduce vibration of micro-satellite primary supporting structure".Journal of Vibroengineering 19.2(2017).
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