simple grid method 中文意思是什麼

simple grid method 解釋
簡單網格法
  • simple : adj ( pler; plest)1 單純的;簡單的,簡易的;輕便的。2 質仆的,自然的,天真的;樸素的;率直的,...
  • grid : n 1 格子,格柵。2 (蓄電池的)鉛板。3 【無線電】柵級。4 鐵道網;【電學】電力網;〈英國〉(全國)...
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. Generally, the skew bridge ' s calculation theories can be divided into three types : the category 1 is the plank theories method, such as the finite difference method, the finite element method and the finite strip method, etc ; the category 2 is the beam theories, such as the grid beam theories, the general grid theories, the rigid cross - beam method, the elastically - supported continuous beam method and the bar system analytical method, etc ; the category 3 is the practical method, such as the g - m revising method, the grid - beam simple method and ghali form coefficient method, etc

    目前關于斜梁橋的計算理論和方法概括起來,大致可以分為三類:第一類為板理論方法,如有限差分法、變分法、有限單元法、有限條法等;第二類為梁理論法,如格構梁理論、一般格構理論、剛性橫梁法、彈性支承連續法、桿件結構的分析方法;第三類為實用計演算法,荷載橫向分佈的計算方法如g ? m修正法、格構梁的簡易法、 ghali表格系數法等。
  2. Compared with the traditional numerical method, the numerical manifold method need not calculate the released load on excavation face, need not prepare special element for unloaded material part ; simple mathematic grid can meet the arbitrary course of excavation ; so it is more convenient and effective ; at the same time, high - order manifold method has better precision for excavation

    相對于傳統數值方法,數值流形方法在模擬開挖時不用計算開挖面上的釋放荷載,不用為卸除的材料部分準備專門的單元,簡單的數學網格可以適應任意的開挖過程,使其對開挖的模擬更加簡便和有效,同時高階的流形方法對開挖問題具有較高的求解精度。
  3. The simplec method, which was improved based on the simple method, is adopted to find the numerical value answers, and the non - structured mixed grid is adopted for grid partition to enhance its self - adaptability to complicated border conditions

    網格劃分則採用了非結構化混合網格以增強對復雜邊界的自適應性。模型通過驗證計算表明,模擬精度較高,為工程措施的科學決策提供了重要依據。
  4. The finite volume method is used to discrete the flow controling equations on staggered grid and the simple algorithm is adopted to solve the equations

    採用有限容積法在交錯網格上對流動控制方程離散,然後採用simple演算法求解。
  5. First, variable speed constant frequency wind energy convertion theory is described in this paper, then presents a review on the development of wind turbines control and the main types of generator and static converters used to interface variable speed wind turbines to the electric grid. then discuss main circuit constructure and advantage of direct drive wind energy conversion system and introduce pitch - control method for wind power traction and electric power stability. simply aerodynamic characteristic of the turbine is analysised and permanent magnet synchnonous generator math model is established. to convert the variable frequency electricity into utility grid, back to back four - quadrant pwm - vsi is used and three typies of control strategy is presented to capture the maximum wind energy and transmit energy. then simulation is implemented to test the control strategy. in the following chapter a simple ac - dc - ac converter with a dc - dc boosting chopper is proposed to transmit the wind energy into electricity energy and two control strategy is presented

    建立了永磁電機和變流器的數學模型,針對雙pwm變頻器的特點提出了三種控制策略對變流器進行控制,通過變流器交-直-交的變換,將發電機發出的變頻變幅值交流電轉化為可用的恆定頻率的交流電,通過pwm調治能使其輸出功率因數為一,並且該控制系統功率因數為可調,能在特殊情況下同電網交換一定的無功功率,並通過對變流器的控制實現了最大風能俘獲的功能。最後採用matlab / simulink進行了模擬,取得了良好的模擬效果。在風力發電系統中,採用先進的最大功率俘獲演算法,能有效的從風中獲得最大的能量。
  6. The material job and main conclusion are as follows : ( 1 ) a simple boundary orthogonalization procedure independence grids generation method is put forward on the base of algebraic grid generation method ; data structure and computational model on interface are established aiming at blocks of structured grids. ( 2 ) simple procedure is established in nonorthogonal grids by use of the finite volume method and in - depth discusses on special topic such as boundary condition in nonorthogonal grids, deferred correction method and grads compute on calculational nodes, and so on

    本文完成的具體工作和主要結論如下: 1 )以代數網格生成方法為基礎提出了一種簡單的、可獨立於網格生成方法之外的邊界正交化技術;針對分區結構網格系統建立了分區交界面處的數據結構與計算模型; 2 )利用有限體積方法在非正交同位網格系統中建立了simple求解演算法,對非正交網格系統中的邊界條件、延遲修正技術及計算節點的梯度計算等專題進行了深入討論。
  7. Regarding the precision requirement of the system, a simple linear camera model is selected and a calibration method based on grid image is proposed. based on linear camera model, this paper constructed a stereo vision model and designed an algorithm for 3 - dimensional coordinates " calculation through four cameras

    論文提出了基於網格標記的線性攝象機的標定方法,建立了基於線性攝象機模型的立體視覺模型,並設計了四臺攝象機匹配進行空間點三維坐標計算的演算法。
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