Parametric finite element modeling and design platform for SPS

doi:10.16708/j.cnki.1000-758X.2018.0025

Chinese Space Science and Technology ›› 2018, Vol. 38 ›› Issue (3): 15-23.doi: 10.16708/j.cnki.1000-758X.2018.0025

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Parametric finite element modeling and design platform for SPS

YANG Chen*, HOU Xinbin, WANG Li

Qian Xuesen Laboratory of Space Technology, China Academy of Space Technology, Beijing 100094, China

Received:2017-10-29 Revised:2018-02-06 Accepted:2018-03-14 Published:2018-06-25 Online:2018-03-06
Supported by:
国家自然科学基金(11502278)；北京市自然科学基金(3182042)

Abstract

Abstract:

Due to the large dimension with multiple elements and nodes, the efficiency of finite element modeling (FEM) using traditional method is very low in dynamics and control simulation of Solar Power Satellite (SPS). The simplified model only can be assumed as rigid or rigid-flexible system, which will lead to modeling errors by this approximate simplified way. Firstly, a parametric FEM method and design platform for SPS were proposed to reduce the FEM modeling period and increase the efficiency of design, analysis and optimization. Based on planar SPS concept, the basic parameters and FEM were introduced. Secondly, the numbering rules for the nodes and elements were defined, and the process of parametric set was also presented. Based on mixed programming technology of APDL, UIDLand TCL/TK, the FEM module and design platform were both constituted. The FEM modeling can be easily realized by menus and human computer inter action interface. The FEM process and the dynamic parameters were both given through a detailed example. The validity and applicability of the proposed method can be proved.

Key words:

"> Solar Power Satellite (SPS), structural dynamics, parametric modeling, finite element, design platform

YANG Chen, HOU Xinbin, WANG Li. Parametric finite element modeling and design platform for SPS[J]. Chinese Space Science and Technology, 2018, 38(3): 15-23.

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Parametric finite element modeling and design platform for SPS

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