Simulation analysis of the influence of quality characteristics on spacecraft pyroshock transmission

doi:10.16708/j.cnki.1000-758X.2020.0021

Abstract

Abstract: Pryoshock environment on the spacecraft is complex, the impact load is transient and highly nonlinear， which makes the pyroshock response difficult to be predicted. Quality characteristics of equipment distributing on satellite boards become the key factor of pyroshock transmission. According to the mechanism of pyroshock transmission, the simplified finite element method (FEM) models of satellite boards and equipment were built and the responses on the satellite boards were calculated. Comparing the results with test data, the error was controlled under ±35dB which confirmed the rationality of the FEM modeling. The method of simulation provides a reference for the prediction of pyroshock response and the design of satellite layout.

Key words: pyroshock, spacecraft, response transmission, quality characteristics, FEM method

YANG Guang, LIU Bo, LI Zhengju, DENG Mingle. Simulation analysis of the influence of quality characteristics on spacecraft pyroshock transmission[J]. Chinese Space Science and Technology, 2020, 40(2): 62-.

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URL: https://journal26.magtechjournal.com/kjkxjs/EN/10.16708/j.cnki.1000-758X.2020.0021

https://journal26.magtechjournal.com/kjkxjs/EN/Y2020/V40/I2/62

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Simulation analysis of the influence of quality characteristics on spacecraft pyroshock transmission

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