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효율적인 음향 윈도우 설계를 위한 2차원 유한요소법 기반의 과도 해석
김유창(Kim, Y.C.),김석구(Kim, S.K.),윤석왕(Yoon, S.W.),이영관(Lee, Y.),조미숙(Cho, M.S.),신구균(Shin, Ku-Kyun),구자춘(Koo, J.C.) 한국소음진동공학회 2009 한국소음진동공학회 논문집 Vol.19 No.7
The efficiency of active sonar that is used underwater observation equipment is important for obtain the information of topography and trace for the objects. Sound wave transmitted from sonar are distorted by acoustic window which is to protect sonar. Making various sonar dome is impossible for experiment, because consumed unnecessary time and expense. So, the purpose of this study is to simulate and analyze the acoustic window propagated sound wave from sonar for designing model reduced insertion loss. Simulation is performed by transient analysis and fluid-structure interaction analysis. As a result, this study will give a opportunity for efficient design of sonar dome without high cost and time consumption.