卫星结构中高频虚拟声振环境试验分析
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摘要
本文基于虚拟SEA方法,在已有某卫星结构有限元模型的基础上建立了该结构中高频SEA分析模型,并进行了随机振动响应分析及噪声环境试验分析。通过上述工作验证了虚拟SEA方法在实际工程中的计算可靠性及易用性,可以帮助工程师快速进行中高频声振问题的建模及分析工作。
Based on virtual SEA method, a satellite SEA model for medium-high frequency analysis is modeled from the Finite Element Mesh. Virtual vibration and noise test is applied. The reliability and ease of use of Virtual SEA method is verified by the above work in an actual engineering problem. It can help engineers to quickly model and analyze high-frequency vibration problems.
引文
[1]From Finite Element modeling to SEA using Virtual SEAG.Borello(Inter AC),WESPAC IX-June 26-28,2006-Seoul,South Korea
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    [3]Virtual SEA:towards an industrial process G.Borello(Inter AC),L.Gagliardini(PSA),D.Thenail(PSA)SAE Noise and Vibration Conference-May 15-17,2007-Saint Charles,Ill,USA
    [4]Improvement of SEA Modeling by Hybridization Techniques G.Borello(Inter AC)VAC Vibro Acoustic Consortium-May 20-21,2008-University of Kentucky,Lexington,USA
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    [7]Analysis of Energy Transfer of Vibrational Fields in the Medium Frequency Range G.Borello(Inter AC)ECCM:4th European Conference on Computational Mechanics-May 16-21 2010-Palais des Congrès,Paris,France
    [8]Prediction of vibratory and acoustic transparency in wooden buildings G.Borello(Inter AC),J.-L.Kouyoumji(FCBA)INTER-NOISE-September 5-7,2011-Osaka,Japan
    [9]Virtual acoustic testing of spacecraft over a broad frequency range using FEM,BEM and SEAK.Vansant,K.De Langhe,A.Courjal,(LMS),G.Borello(Inter AC)ECSSMET:European Conference on Spacecraft Structures Materials and Environmental Testing ESA/ESTEC-March 20-23,2012-Noordwijk,Netherlands
    [10]Virtual SEA method for analyzing micro-vibrations of spacecrafts G.Borello(Inter AC),G.Ozenne,L.Soula(Astrium),G.Laduree(ESA),I.Maussang(CNES)ECSSMET,ESA/ESTEC-March 20-23,2012-Noordwijk,Netherlands
    [11]Virtual SEA Method Applied to Payload Vibration Prediction of Microgravity and Vibroacoustic Environment G.Borello(Inter AC)Spacecraft and Launch Vehicle Dynamic Environments Workshop-June 3-5,2014-The Aerospace Corporation,El Segundo,CA,USA
    [12]Hybrid energy-based vibroacoustic modeling using Virtual and Analytical SEAG.Borello(Inter AC)EURODYN 2014:IX International Conference on Structural Dynamics-June 30-July 2,2014-PortoPortugal

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