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SEAによる振動入力パワーの変動を考慮した振動と音圧予測に関する研究
https://nias.repo.nii.ac.jp/records/814
https://nias.repo.nii.ac.jp/records/8146891b456-5bd6-4cf6-979d-4093d3c3469e
名前 / ファイル | ライセンス | アクション |
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SEAによる振動入力パワーの変動を考慮した振動と音圧予測に関する研究 (700.3 kB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 2018-07-10 | |||||
タイトル | ||||||
言語 | ja | |||||
タイトル | SEAによる振動入力パワーの変動を考慮した振動と音圧予測に関する研究 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | A Study on Prediction of Vibration and Sound Pressure Response for SEA Considering Variation of Vibration Input Power | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Statistical Energy Analysis | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | FEM | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Vibration of Continuous System | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Forced Vibration | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
著者名(日) |
黒田, 勝彦
× 黒田, 勝彦 |
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著者所属(日) | ||||||
ja | ||||||
長崎総合科学大学 | ||||||
著者所属(英) | ||||||
en | ||||||
Nagasaki Institute of Applied Science | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The authors developed the structural design process on the basis of experimental SEA for reducing structure-borne sound. However, it was difficult to predict the sound pressure accurately in order not to predict the variation of vibration input power by structural modification. There are four steps in the process, at the third steps, the process identifies the internal loss factors (ILFs) or the coupling loss factors (CLFs) which should be changed in order to reduce the noise radiated from the machinery using sensitivity analysis to the squared sound pressure at the evaluation point. The sensitivity analysis is based on the perturbation method, the squared sound pressure or the vibration energy are evaluated regarding the variation of respective loss factors and input power. For two SEA models are used with and without predicted vibration input power by structural modification, parameter study are implemented by analytical SEA. As a result, it can be seen that sound energy values for the SEA model without using the predicted vibration input power for structural modification by a partial thickness change are overestimated for a flat plate. The same phenomenon for L shaped plate was also confirmed by the experimental test. | |||||
言語 | en | |||||
ISSN | ||||||
収録物識別子タイプ | EISSN | |||||
収録物識別子 | 24239976 | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA1274191X | |||||
書誌情報 |
ja : 長崎総合科学大学紀要 en : Bulletin of the Nagasaki Institute of Applied Science 巻 58, 号 1, p. 47-54, 発行日 2018-07-10 |
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発行者 | ||||||
言語 | ja | |||||
出版者 | 長崎総合科学大学附属図書館運営委員会 |