Mr. Wei Chang Profile

Wei Chang

at Beijing Institute of Space Mechanics & Electricity

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Proceedings Article | 5 March 2018 Paper

Simulation and analysis of tape spring for deployed space structures

Wei Chang, DongJing Cao, MinLong Lian

Proc. SPIE. 10710, Young Scientists Forum 2017

KEYWORDS: Mechanics, Computer simulations, Clouds, Kinematics, 3D modeling, Numerical analysis, Finite element methods

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The tape spring belongs to the configuration of ringent cylinder shell, and the mechanical properties of the structure are significantly affected by the change of geometrical parameters. There are few studies on the influence of geometrical parameters on the mechanical properties of the tape spring. The bending process of the single tape spring was simulated based on simulation software. The variations of critical moment, unfolding moment, and maximum strain energy in the bending process were investigated, and the effects of different radius angles of section and thickness and length on driving capability of the simple tape spring was studied by using these parameters. Results show that the driving capability and resisting disturbance capacity grow with the increase of radius angle of section in the bending process of the single tape spring. On the other hand, these capabilities decrease with increasing length of the single tape spring. In the end, the driving capability and resisting disturbance capacity grow with the increase of thickness in the bending process of the single tape spring. The research has a certain reference value for improving the kinematic accuracy and reliability of deployable structures.

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