ResearchonReverberantLoadModelingMethodandItsSpatialCorrelationEffectonVibro-acousticAnalysis

doi:10.3780/j.issn.1000-758X.2015.04.009

Chinese Space Science and Technology

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ResearchonReverberantLoadModelingMethodandItsSpatialCorrelationEffectonVibro-acousticAnalysis

ZHUWeihong¹ HANZengyao² ZOUYuanjie¹

(1BeijingInstituteofSpacecraftSystemEngineering,Beijing100094)
(2ChinaAcademyofSpaceTechnology,Beijing100094)

Received:2015-03-10 Revised:2015-05-12 Published:2015-08-25 Online:2015-08-25

Abstract

Abstract: Amodelingmethodofreverberantloadwhichmeetsthespatialcorrelationwasproposedforthevibro-acousticanalysisofspacecraft,whichcansimplifythemodelingprocessofvibro-acousticanalysisandbeconvenientforengineeringapplications.Firstly,thespatialcorrelationtheoreticalmodelofreverberantloadwasestablishedbasedonwavetheory,thencombinedtherequirementsofspacecraftengineering,thereverberantloadmodelwasdevelopedonthebasisofRayleighintegralandreciprocityrelationship,andthesatisfactionwithspatialcorrelationtheoreticalmodelwasproved.Finally,theavailabilityofthismethodwasguaranteedbytypicalsystemanalysis,andtheeffectofspatialcorrelationofreverberantloadonthevibro-acousticanalysiswasevaluated.

Key words: Vibroacousticanalysis, Reverberantload, Spatialcorrelation, Reciprocityrelationship, Spacecraft

ZHU Wei-Hong, HAN Zeng-Yao, ZOU Yuan-Jie. ResearchonReverberantLoadModelingMethodandItsSpatialCorrelationEffectonVibro-acousticAnalysis[J]. Chinese Space Science and Technology, doi: 10.3780/j.issn.1000-758X.2015.04.009.

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URL: https://journal26.magtechjournal.com/kjkxjs/EN/10.3780/j.issn.1000-758X.2015.04.009

https://journal26.magtechjournal.com/kjkxjs/EN/Y2015/V35/I4/60

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ResearchonReverberantLoadModelingMethodandItsSpatialCorrelationEffectonVibro-acousticAnalysis

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