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Please use this identifier to cite or link to this item:
http://hdl.handle.net/10203/5651
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Title | NEW APPROXIMATIONS OF EXTERNAL ACOUSTIC-STRUCTURAL INTERACTIONS, PART I : MODEL DERIVATION |
Authors | Park, K.C.; Lee, M.; Park, Y.-S. |
Issue Date | 2006 |
Publisher | 13th International Congress on Sound and Vibration |
Citation | 13th International Congress on Sound and Vibration, July 2~6, Vienna University of Technology, Vienna, Austria, 2006 |
Abstract | New approximate models for external acoustics interacting with flexible structures are developed. The basic form of the present models is obtained by a combination of the Laplacetransformed retarded and advanced potentials. It is shown that the maximum attainable timederivative of convergent approximate models is two, hence any attempt to include higher orders will lead to non-convergent models. The basic model is subsequently modified from the consistency considerations of the resulting frequency response functions. The resulting model is expressed in terms of a free parameter that represents the weight of the retarded vs. advanced potential characteristics, and consistent in terms of capturing the correct impulse response. Hence, the present approximate model is well suited for acoustic-field determinations and inverse acoustic identification applications. |
URI | http://hdl.handle.net/10203/5651 |
Link | http://vasl.kaist.ac.kr/sdacupload/paper/paper-icsv13_part1_KCPark_Lee.pdf |
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