worst dynamic load 中文意思是什麼
worst dynamic load
解釋
危險動負載-
The research result indicated : for the strip primary mirror discussed in this article, the hexagon light - weighted cell has the best structural rigidity quality, the square cell is a little worse, the triangle cell is the worst ; there is an optimum on primary mirror thickness ; on condition of 1g gravity load combining with 4 centigrade uniform temperature rising, the thinner and higher of the flexible support reed, the better of the primary mirror surface figure. the decision of the structural parameters of the flexible support reed must take static rigidity, dynamic rigidity, static strength and dynamic strength of primary mirror assembly into account
研究結果表明：對于本文的長圓形主鏡，採用正六邊形輕量化孔，鏡體結構剛性品質最好，正方形次之，正三角形最差；主鏡鏡體厚度存在最佳值；主鏡組件在1g重力、均勻溫升4共同作用的工況下，主鏡柔性支撐簧片厚度越小、高度越高，主鏡綜合面形誤差（ p - v值）越小，但同時主鏡組件的剛體位移增大、固有頻率下降，因此柔性支承結構參數的確定要綜合考慮主鏡的綜合面形誤差和主鏡組件靜態剛度、動態剛度、靜態強度和動態強度等因素。 -
Then, author introduces geometric nonlinear analysis theory, geometric nonlinear calculation theory during construction period, load position of live load considering geometric nonlinear and calculation theory of worst - case value, static time history theory for vehicle running, geometric nonlinear analysis theory of natural vibration and structural dynamic reaction and so on. all of these theories fit any appointed structure with corresponding programs. so a series of completed analysis approaches that cover all geometric nonlinear factors of bridge structure are formed
其次，介紹了對任意指定結構的幾何非線性分析原理、施工階段幾何非線性計算原理、考慮幾何非線性的活載加載位置與最不利值的計算原理、車隊行駛靜力時程分析原理、非線性結構的自振特性和結構動力反應分析原理等，其中包含了相應的計算程序模塊的編制方法，形成了一整套考慮橋梁結構所有幾第日頁西南交通大學博士研究生學位論文何非線性因素的橋梁結構分析方法。
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