Please use this identifier to cite or link to this item:
https://repository.cihe.edu.hk/jspui/handle/cihe/3065| Title: | 含裂紋彈性結構聲相互作用研究 | Other Titles: | Analysis on cracked structure-acoustic interaction problems | Author(s): | Leung, Andrew Yee Tak | Author(s): | 吳國榮 鐘偉芳 |
Issue Date: | 2004 | Publisher: | 中國科學院聲學研究所 | Journal: | 聲學學報 | Volume: | 29 | Issue: | 2 | Start page: | 187 | End page: | 191 | Abstract: | 應用分形有限元和邊界元相結合的方法研究了含裂紋的結構聲的耦合作用問題。利用二級分形有限元方法離散含裂紋結構，這將使得自由度大為減少；使用邊界元方法計算外域輻射聲場，這將自動滿足無限遠輻射邊界條件。數值結果初步表明：(1)隨著裂紋深度的增加，結構聲耦合系統的共振頻率將下降；(2)裂紋附近的聲場所受的影響更為明顯。 |
URI: | https://repository.cihe.edu.hk/jspui/handle/cihe/3065 | CIHE Affiliated Publication: | No |
| Appears in Collections: | CIS Publication |
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