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https://repository.cihe.edu.hk/jspui/handle/cihe/2870| Title: | 分形有限元方法解外域聲散射問題 | Other Titles: | Analysis of exterior acoustic problems using fractal finite element methods | Author(s): | Leung, Andrew Yee Tak | Author(s): | 吳國榮 戴輝 鐘偉芳 |
Issue Date: | 2002 | Publisher: | 中國振動工程學會 | Journal: | 振動工程學報 | Volume: | 15 | Issue: | 3 | Start page: | 274 | End page: | 278 | Abstract: | 無限聲介質中的散射體對聲波的散射是研究聲與結構相互作用的重要基礎。利用分形有限元和常規有限元相結合的方法對中低頻段聲散射問題進行了分析。由於引用了分形比α和能夠自動滿足無限遠輻射邊界條件的全域插值函數, 大大降低了未知量的個數, 從而可以在較短的計算時間和較低的內存消耗的條件下高效地解決問題。計算實例表明這種方法對於求解無界域聲場問題是非常有效的。 |
URI: | https://repository.cihe.edu.hk/jspui/handle/cihe/2870 | DOI: | 10.3969/j.issn.1004-4523.2002.03.005 | CIHE Affiliated Publication: | No |
| Appears in Collections: | CIS Publication |
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