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題 名 | 不同邊界條件之有限直樑承受等速移動之調諧負載之動態分析 |
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作 者 | 胡錦玉; | 書刊名 | 技術學刊 |
卷 期 | 8:4 1993.12[民82.12] |
頁 次 | 頁441-450 |
分類號 | 441.56 |
關鍵詞 | 調諧負載; 模態分析; 動態分析; Harmonic loads; Modal analysis; Dynamic analysis; |
語 文 | 中文(Chinese) |
中文摘要 | 本文旨在探討一有限直樑在(1)一端固定、一端自由;(2)端固定、一端銷支承;(3)兩端皆固定,三種不同支撐條件下,當承受以等速度移動之調諧負載時,直樑之動態反應問題。本文中透過一些基本假設,建立了直樑在三種不同邊界條件下均適用的運動方程式。並利用模態分析法,求得了直樑運動方程式之解析解。為了分析直樑的邊界條件、負載的移動速度、負載之大小及調諧負載之頻率等因素,對直樑動態反應的影響,因此乃依據運動方程式之解析解撰寫程式,以電腦來模擬直樑在上述所提各種不同影響因素下的動態行為,並將電腦模擬所得之結果作了比較分析。其結果應可提供機械設計者從事分析、設計時之參考。 |
英文摘要 | The aim of this study is to find out how a finite beam, first with one end fixed and the other free, secondly with one end fixed and the other hinged, thirdly with both end fixed, dynamically responses when they are separately subjected to moving harmonic loads with constant velocity. The equation of motion which is applicable to a beam under three various boundary conditions has been formed through some basic assumptions. And by means of modal analysis its analytical solution has been found, too. In order to analyze the influences of such factors as boundary conditions, the moving velocity, the magnitude of loads and the frequency of harmonic loads, according to the analytical solutions of the equation of motion programs are designed to simulate, on computer, a beam's dynamic behaviour under the above-mentioned factors. Finally, comparisons have been made among various results of the simulations. It is well assumed that this study should be able to offer a reference to the mechanical designers. |
本系統中英文摘要資訊取自各篇刊載內容。