Shape analysis and optimization of airbag for space inflatable antenna
MAO Li-na, TAN Hui-feng
School of Astronautics,Harbin Institute of Technology,Harbin 150001,China
Abstract:
The characteristics of normal inflatable antennas are described in this paper.For its deficiency such as low stiffness,a new-style of rigid-flexible coupling inflatable antenna is introduced.The advantages and system-composition are presented.Airbag is an important component,and the shape and stress distribution of airbag is important for the whole structure.Thus,shape-state analysis is performed.The uniformity of constrained force at joint between airbag and rib will impact the state of joint,or even the deployment process.Therefore,a shape optimization of airbag is developed on the base of genetic algorithms,and the best shape of airbag is finally obtained.Therefore,the stress distribution of airbags will be uniformed and the antenna structure system will be more reliability.
Key words: tensional membrane structure shape-state analysis shape-state optimization genetic algorithms
DOI：10.11916/j.issn.1005-9113.2011.03.001
Clc Number:V443.4
Fund:
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Shape analysis and optimization of airbag for space inflatable antenna
本站小编 哈尔滨工业大学/2019-10-23
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