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航天器聲振動力學(xué)環(huán)境響應(yīng)分析

The Response Prediction of the Spacecraft under Acoustic Vibration Environment

  • 摘要: 動力學(xué)環(huán)境試驗技術(shù)已得到了廣泛的應(yīng)用，但是動力學(xué)環(huán)境預(yù)示技術(shù)還沒有得到很好的重視和發(fā)展。文章在簡要概述了統(tǒng)計能量法（SEA）的基礎(chǔ)上，以某衛(wèi)星為例，劃分為26個子系統(tǒng)和97個連接，對整星的寬帶聲振力學(xué)環(huán)境的響應(yīng)進行了估計。經(jīng)過與試驗結(jié)果的對比，驗證了上述方法的可行性。

     

    Abstract: In contract with the experimental technology of dynamics environment simulation, the prediction technology has not been paid due attention. Based on the Statistical Energy Analysis (SEA), the response of a spacecraft is estimated under a wide-band acoustic vibration environment in this paper, which is divided into 26 subsystem and 97 connections. The results show that the predictions agree with the experimental results well.

     

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