頁籤選單縮合
題 名 | 單螺栓搭接樑動態模擬之研究=Dynamic Simulation of the Structure with a Single Bolt Joint |
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作 者 | 宋佩瑄; 陽正德; 楊宗文; | 書刊名 | 中國造船暨輪機工程學刊 |
卷 期 | 18:2 1999.05[民88.05] |
頁 次 | 頁49-56 |
分類號 | 444.1 |
關鍵詞 | 模態分析; 模態測試; 螺栓結構; Modal analysis; Modal test; Bolted structure; |
語 文 | 中文(Chinese) |
中文摘要 | 本文針對單螺栓搭接樑結構進行模態分析模型與模態測試模型的結合。首先利用 有限元素法對其中一根樑作振動模態分析後求得模態參數;再利用模態測試法求得另一根樑 的模態參數,然後以模態法鑑定螺栓接點部分的抗撓勁度,再將兩根樑及螺栓結合起來作有 限元素模態分析,與整體結構的模態測試結果比較,發現結合的模型可以準確地預測結構的 動態特性。最後以此合成模型作動態響應分析,並配合測試驗證,發現其預測的結果也相當 準確。 |
英文摘要 | The combination of analytic and test modal models is introduced for the analysis of two beams connected with a single bolt joint. Modal parameters are determined using finite element method for one of the members and using modal testing for the other. The flexural rigidity of the bolt joint can be identified experimentally. Then the whole structure is analyzed by finite element modal analysis. The combined model can predict accurately the structural dynamic characteristics, as compared with test data. The response function obtained by finite element system dynamic analysis shows great exactness in comparison with experimental results. |
本系統中英文摘要資訊取自各篇刊載內容。