虛拱 的英文怎麼說

中文拼音 [xūgǒng]
虛拱 英文
false arch
  • 虛 : Ⅰ名詞1 （空虛） void; emptiness 2 （政治思想等方面的道理） guiding principles; theory 3 （二十八...
  • 拱 : Ⅰ動詞1 （兩手相合 臂的前部上舉） cup one hand in the other before the chest 2 （環繞） encircle; ...
  1. Brings forward the basic network cell model of symmetrical blast vault and asymmetric blast vault. then studies and analyses airflow in vault of main voltage switchyard hall of xiluodu hydropower station which is far cry and large numbers of airflow conflux, brings forward concept of “ virtual embranchment ” and corresponding basic network cell model, regresses calculate expressions of flux uniformity coefficient and impedance of “ virtual embranchment ” of vault of main voltage switchyard hall of xiluodu hydropower station

    而後又採用cfd數值模擬的方法對溪洛渡水電站主變洞排風拱頂這種多股氣流匯流的長距離通道內的氣流流動進行了分析，提出了「虛擬分支」的概念和相應的網路基元模型，並回歸得到了溪洛渡水電站主變洞排風拱頂各個排風「虛擬分支」風量均勻系數以及阻抗的計算公式。
  2. The cavernous edifice was packed to the rafters. we have brushed elbows with the heavy hitters in the american entertainment industry

    這個圓拱形的建築座無虛席，大家迫不及待準備觀賞美國娛樂界重量級的人物將無上師的詩譜出這場假日盛會的主題。
  3. The paper mentions the design of three - dimensional graphics modeling in the mine such as shaft, laneway, and equipment of transport and mining. human - computer interaction and viewpoint rambling in the demo system are realized so that the simulating staff may look at circumstances from different viewpoint and positions. under the precondition of limited resources holding, the contradiction between the fidelity of image display and real - time feature of system interaction process is better resolved with using of display list and model culling technology

    論文中採用了opengl圖形庫的基本繪圖函數進行三維圖形的模型設計，並詳細給出了立井、拱形巷道、梯形巷道以及工作面支架和井底運輸巷道設備的三維圖形設計方法；並著重分析人機交互與視點漫遊功能的技術在系統中的實現；在佔用有限資源的前提下，為了提高場景實時顯示速度，論文中採用顯示列表和模型淘汰等技術，並編制出了一個虛擬礦井實例。
  4. The base is divided into finite block element. so, the stress and load that this system divided can be calculated. combining analyzing morrow point dam on colorado river with this method, the rationality of it is validated

    應用上述方法，結合morrowpoint雙曲拱壩，計算了該壩的分載與徑向位移，其成果合理，驗證了本文建立的壩體虛擬彈性地基梁與壩基塊體有限元組合的拱壩分載法的合理性，且滿足工程精度的要求，有一定的實用價值。
  5. In this thesis, some work has been done : fisrtly, based on the thorough investigation of the mechanism project, combining concept diagram, the literal description and the formula analysis together for programing motion of the robot ; secondly, according to soil mechanics principle and pressuremeter theories, the model which reflect the interaction force between robot and soil are founded ; thirdly, proceed the analysis and solution ; using virtual prototyping software - adams to optimize the mechanism model and analyze the mechanics ; furthermore compared the analysis calculation result of the above both side, we verify the possibility that the robot dig hole and move in soil ; finally, construction model is consummated based on the optimized result, the mechanism motion and the simulation animation of whole harmonious motion is fulfilled by three dimension simulation software - 3dmax

    論文的主要工作有：首先，在對機構方案進行了深入研究的基礎上，以概念圖標表示、文字描述和公式分析相結合的研究方法對機器人進行了運動規劃；其次，根據土力學原理和旁壓理論建立了機器人在土質環境下的受力模型並進行了分析求解；然後，藉助于虛擬樣機軟體adams對機構模型進行優化和力學分析；除此之外，通過對上述兩方面分析計算結果的比較，驗證了該機器人在土質環境下拱洞和蠕動爬行的可行性；最後，在優化結果基礎上進一步完善了結構模型，通過三維模擬軟體3dmax實現了機構運動和整體協調運動動畫的模擬。
  6. The results are important for dam base excavation and engineering disposal. ( 2 ) arch dam can be regarded as an elastic ground cantilever system composed of vertical cantilever, horizontal arch, and torsion structures. the dissertation takes the arch dam as load diversion system of arch - cantilevers system located on the ground composed of elastic cantilever

    （ 2 ）將拱壩虛擬為由座落在壩基塊體有限元上的一系列懸臂梁與水平拱組成，將懸臂梁視作由水平拱所支承的彈性地基梁，考慮徑向和切向調整，比以往的彈性地基梁只考慮徑向調整有所發展；而且用塊體元模擬壩基，也能較精確地模擬壩基多種斷裂構造等對壩體結構行為的影響。
  7. In the analysis, a cfst arch ( single tube ) is first divided into a finite number of straight beam elements. according to the virtual work principle and the modified newton - raphson iteration method the tangent stiffness matrix considering double nonlinear properties is established. with regard to the non - equilibrium forces, the material nonlinear property along the height of the section and the length of the element is considered and the computation accuracy is improved as a result

    本文首先將拱肋劃分為一系列的直梁單元，運用虛功原理和修正newton - raphan數值迭代演算法的基本原理準確推導了拱肋直梁單元的非線性切線剛度矩陣；在不平衡力方面考慮了沿截面高度和單元長度方向材料非線性的發展過程，提高了計算精度；再根據得到的切線剛度矩陣採用荷載增量步內修正newton - raphan迭代的增量迭代法進行了求解。
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