Optimum design of lander structure based on finite element method
Wang Chuang, Liu Rong Qiang, Deng Zong Quan, Gao Hai Bo
School of Mechatronics Engineering , Harbin Institute of Technology, Harbin 150001, China
Abstract:
Three kinds of possible structures of legged lander including monocoqe, semi-monocoqe and space frame are compared, and the lightest space frame structure is selected as the lander’s structure. Then, a new lander with four-legged truss structure is proposed. In the premise of ensuring that the main and assistant structures of landing legs are not changed, six possible lander body structures of the new lander are put forward. Taking the section size of each component of lander as design variables, and taking the total mass of the structure as the objective function, the six structures are analyzed by using the software Altair. OptiStruct and the results show that the mass of the basic structure is the lightest, and it is selected as the final design scheme of lander due to its simple structure and convenient manufacture. The optimization on the selected lander structure is conducted, and the detailed results are presented.
Key words: lander space frame optimization OptiStruct
DOI:10.11916/j.issn.1005-9113.2009.01.005
Clc Number:TB115
Fund:
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Optimum design of lander structure based on finite element method
本站小编 哈尔滨工业大学/2019-10-23
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