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題名 | Vibration of Multispan Frames due to Moving Loads=多跨距構架結構承受移動負載之振動分析 |
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作者 | 王榮泰; 林敬賢; | 書刊名 | 中國機械工程學刊 |
卷期 | 18:2 1997.04[民86.04] |
頁次 | 頁151-162 |
分類號 | 440.15 |
關鍵詞 | 移動負載; 振動; 多跨距構架結構; Frame; Moving load; Orthogonality; Mode shape functions; |
語文 | 英文(English) |
英文摘要 | 應用解析法於研究多跨距構架結構承受移動作用之振動。證明了兩相異模態函數 組之正交性。構架結構中各分支結構之軸向力、橫斷面剪切力與彎矩均列入考慮。結果顯示 構架中各柱愈短時,結構之第一個模態頻率與臨界速度愈大。並且跨距數愈多時,結構之絕 對最大變形量與臨界速度也愈大。 ow that the shorter the columns are, the higher the first modal frequency and critical velocity of the frame are. Furthermore, the higher the span number is, the higher the absolute maximum deflection and critical velocity are. |
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