| 研究生: |
李宗翰 Li, Tzung-Han |
|---|---|
| 論文名稱: |
有限條元法在箱型樑結構分析上的應用 Application of Finite Strip Method to the Analysis of Box-girder Structure |
| 指導教授: |
鄭泗滄
Jenq, Syh-Tsang |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 航空太空工程學系 Department of Aeronautics & Astronautics |
| 論文出版年: | 2004 |
| 畢業學年度: | 92 |
| 語文別: | 中文 |
| 論文頁數: | 62 |
| 中文關鍵詞: | 複合層板 、有限條元法 、箱型樑 |
| 外文關鍵詞: | finite strip method, composite plates, box-girder |
| 相關次數: | 點閱:84 下載:2 |
| 分享至: |
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一般討論複合層板之結構分析,多採用能量法求其近似解;欲求得其精確解,則必須使用數值法來分析。其中應用最廣泛的為有限元素法,在處理不規則的問題或邊界複雜的問題上F.E.M.已是被公認為最有效的方法,然而當問題形狀規則且邊界條件單純時,若未充份利用解析方法而使用F.E.M.作為分析的工具,其結果往往很不經濟且浪費許多的時間。基於一般層板多為矩形、邊界條件為簡支撐或為固定緣的情況下,此類形狀規則之問題中,有限條元法亦已被公認為一有效且便利的方法利用內插函數來模擬條元間的行為也就是簡化成一維的有限元素法,使得自由度大為降低,在計算時因運算矩陣的頻寬小,大為縮短計算時間而箱型樑結構為一長條型中空的結構,本論文除了研究箱型樑可以減輕結構重量外,亦研究靜態,動態特性,並試著將複合材料運用在箱型結構中,將自己寫的有限條元法程式與現有的有限分析軟體ANSYS 比較。
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