113 EFFECTS OF BOUNDARY ON THE MEASUREMENT OF VIBRATION INTENSITY(O.S.4 Measurement and Sensor II)
スポンサーリンク
概要
- 論文の詳細を見る
Vibration intensity (VI) measurement is one of the effective ways to clarify vibrational-power flows in a machine structure. Measuring VI on the structure of actual machines, adoption of a simplified VI formula would be available. However, the adoption of the simplified VI formula yields errors especially near the boundary of the structure, which inevitably exists in mechanical structures. In order to establish the VI measurement as a reliable and practical tool, it is necessary to clarify applicable conditions of the simplified VI formula according to error estimation. In this research, effects of a stepped boundary were discussed. Calculation using the simplified formula contains a significant error near the stepped boundary. The error was discussed as a function of a dimensionless distance which is the distance from the stepped boundary divided by the wave length of flexural wave. Both magnitude and direction of VI vector calculated through the simplified formula showed appreciable errors within a quarter wave length region from the stepped boundary. The direction error took the maximum at a specific direction of VI toward the stepped boundary irrespectively of analysis frequency.
- 一般社団法人日本機械学会の論文
- 2005-05-31
著者
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KOJIMA Naoya
Department of Applied Biochemistry, Tokai University
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Fukuda Yuji
Graduate School Of Science And Engineering Yamaguchi University
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Kojima Naoya
Department Of Mechanical Engineering Yamaguchi University
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Kojima Naoya
Department Of Applied Biochemistry Institute Of Glycotechnology Tokai University
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Mikami Masato
Department of Cardiology, Sendai City Hospital
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MORIUE Osamu
Department of Mechanical Engineering, Yamaguchi University
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Moriue Osamu
Department Of Aeronautics And Astronautics University Of Tokyo : (current Address) Zarm Applied Spac
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Moriue Osamu
Department Of Mechanical Engineering Science Kyushu University
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Uchida Atsushi
Graduate School Of Science And Engineering Yamaguchi University
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Mikami Masato
Department Of Cardiology Sendai City Hospital
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Mikami Masato
Department Of Mechanical Engineering Yamaguchi University
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Fukuda Yuji
Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
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