d grid 中文意思是什麼

d grid 解釋
三維網格
  • d :
  • 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)...
  1. The calculation of the37 # transonic compressor rotor shows that the simulation results of the author ' s multi - grid scheme fit fairly well with those of professor denton j. d. ' s, however, the author ' s converging speed is faster

    與nasarotor37的計算結果對比表明,本文多重網格演算法的計算結果與dentonj . d .的計算結果十分接近,而在提高計算效率方面比dentonj . d的多重網格演算法更加有效。
  2. The main aspects of this dissertation are as follows : 1. employing the moving grid technique, a 3 - d moving grid based on the transfinite interpolation is developed. this grid has better adaptation than the deforming grid for flapping wing

    本文的主要工作表現在以下幾個方面: 1 、引入運動網格技術,發展了一套基於廣義無限插值理論的適合撲翼計算的三維運動網格,提高了網格對撲動機翼的適應性。
  3. It adopts reynolds time - average n - s equation and k - ? turbulence model to calculate the inner 3 - d viscid turbulence flow of centrifugal pump. in the unstructured grid, the governing equations are discretized with finite volume method based on finite element method. then the pressure correction method is used to carry out numerical calculation

    而後採用基於雷諾時均n - s方程與標準-湍流模型來求解離心泵葉輪內三維粘性紊流,在非結構化網格中,採用基於有限元的有限體積法對方程進行離散,用壓力校正法進行數值求解。
  4. In the first part of the paper, the explicit form of difference equation and periodic boundary condition is derived in cartesian coordinate system. secondly, the dispersive characteristic is analyzed in cylinder coordinate system for many high power microwave devices use cylinder sws. and then the method is extended to calculate the band structure of 2 - d photonic crystal, a modified yee ’ s grid is introduced to calculate the dispersive characteristic in the case of triangular lattice, so that both square lattice and triangular lattice cases can be solved in cartesian coordinate system

    周期電磁結構的一個重要應用就是用作高功率微波器件中的慢波系統,考慮到目前大部分高功率微波器件的慢波系統多採用圓柱周期結構,在論文第四章中,在圓柱坐標系下,給出了差分方程和周期性邊界條件的具體形式,同時編寫程序,分析了milosws ,盤荷慢波結構的色散特性。
  5. It is evident that the 3 - dspatio - temporal sampling grid contains more information than any 2 - d still - frame sampling grid

    顯然,三維時空采樣比任何一個二維靜態幀采樣柵格而言它包含更多的信息。
  6. Parallel and distributed processing symposium ipdps, cancun, mexico, 2000, pp. 520 - 528. 24 rodriguez a, sulakhe d, marland e et al. a grid - enabled service for high - throughput genome analysis

    運行管理execution management : gram網格資源分配和管理, wms工作區管理, gtcp網格遠程控制協議
  7. Many test cases are calculated to verify the above study. the cases are either real or standard testing models, including multi - element airfoil, wing - body configuration, cone / cylinder missile model and 3 - d high - lift systems, etc. the results of present calculation are in good agreement with experiment data, and show flexibility and accuracy of the approaches. base on the cartesian grids, this thesis has targeted the development and integration of many algorithms and techniques such as adaptive refinement, omni - tree data structure, hybrid grid method, etc. an analysis software and research methods are designed and developed for the steady - unsteady and viscous - inviscid flow complex systems and configuration

    7 .運用上述研究成果和結論,進行了大量算例的實驗驗證,外形范圍包括多種標模與型號,涉及多段翼型、 m6機翼、細長體模型、翼身組合體、兩段機翼增升標模、帶縫翼和襟翼的三段增升翼身組合體等復雜外形,計算結果均與實驗吻合良好,充分說明了本文發展的各種演算法、流場求解、網格生成方法的正確性和魯棒性。
  8. Rm, suzumura t, matsuoka s. ninf - g : a reference implementation of rpc based programming middleware for grid computing. journal of grid computing, 2002, 1 : 41 - 51. 23 abramson d, giddy j, kotler l. high performance parametric modeling with nimrod g : killer application for the global grid

    Gt還提供了大量有用的應用層功能,使用gt4核心組件能夠構建更多的工具和組件,它們相互操作,形成更大的「 globus生態圈」 ,使用這些工具開發大范圍的網格設施和分散式應用。
  9. Grid hiding and break line cut are difficult point in displaying of 3 - d grid data, the thesis also presented a new visualizing algorithm applicable for 3 - d grid data of topography - sliced polygon filling. the experiment result shown, contrasting to floating level, this algorithm excels in both time complication and effect of grid hiding and break line cut

    三維網格顯示中的網格消隱與斷線處理一直是網格可視化技術中的難點,本文結合三維地形網格的特點,提出了一種新的網格可視化演算法? ?切片多邊形區域填充法,在實驗結果對比中,無論是演算法復雜度還是顯示效果上都明顯優于浮動水平面法。
  10. Simulation of storm flood basing on deriving drainage networks from grid dem and 2 - d hybrid approach in shalan river basin

    的沙蘭河流域河網提取及局地暴雨洪水模擬
  11. Li sheng and roberts studied 2 - role assignments on triangulated graphs. they puts the open questions : whether a given graph is k - role assignable for the case k 3 ? we study g _ n ~ ( d, s ) graph and the grid graph and the honeycomb rectanglar torus and honeycomb rhombic torus accordingly

    本文對格圖和環面蜂巢圖以及g _ n ~ ( d , s )圖作了相應的研究,其中用到了一種坐標化圖的方法。
  12. By solving possion equation, the automotive generation of 3 - d body - fitted coordinates ( bfc ) grid system is completed with its density controlled by the distribulation functions p, q, r. 4. a detailed description of the solving mode

    用微分方程法生成計算網格,採用泊松方程完成無堵塞泵的三維貼體網格的自動生成,通過構造波松方程源項p 、 q 、 r分佈函數控制網格的疏密度; 4
  13. Connectors with assessed quality, for use in d. c., low - frequency analogue and in digital high speed data applications - printed board connectors - detail specification for shielded two - part connectors having a basic grid of 2, 0 mm, fixed part with solder and press - in terminations for printed boards, free part with non - accessible insulation displacement and crimp terminations - part 4 - 107 : printed board connectors with assessed quality - detail specification for shielded two - part connectors havin

    直流低頻模擬和數字高速數據用經過質量評定的連接器.印製板連接器.基本網格為2 . 0mm固定部分有印製板用焊接終端和壓入終端活動部分有不可及絕緣移動終端和壓接終端的屏蔽兩件式連接器詳細規范
  14. The numerical modeling of 3 - d elastic wave equation using a high - order, staggered - grid, finite difference scheme

    交錯網格高階差分法三維彈性波數值模擬
  15. Based on tree data structure, the cartesian grids about 2 - d and 3 - d configurations are generated using the surface - cutting procedure. in the course of grid generation, a two - step ray - casting algorithm to excluded cells inside the body and a cell - merging technique to avoid numerical instability are fully developed. after creating these surrounding grids, the cell - cutting algorithm is designed to perform geometry - based refinement of grids, and greatly improve the applicability and quality of grid generation

    採用物面切割,基於叉樹數據結構,發展了一種普遍適用於二維和三維外形的直角切割網格生成方法;構造兩步射線求交演算法,刪除外形內的固體網格,以及小網格合併演算法,確保網格質量和流場計算的穩定性;運用對任意網格的切割細分演算法,實現了針對幾何外形的自適應網格加密,使得網格生成更具普適性和靈活性。
  16. Using the 1 - d rivernet model calculates the water discharge ratio of the two branches and also duplicates the back - flow in the north branch during flood tide. the 2 - d model with a fine grid is applied to the field of flow in the changjiang estuary and the results are well in agreement with the measured flow

    同時利用河網模型對長江口分汊河段進行一個月的水流模擬,並獲得了長江口南北支分流比,復演出北支漲潮時水體倒灌轉流現象,解決了河網模型用於分汊河道潮汐水流模擬的問題。
  17. Connectors with assessed quality, for use in d. c., low - frequency analogue and in digital high speed data applications - printed board connectors - detail specification for two - part connectors with shielding and a basic grid of 2, 5 mm - cable to board connectors, shielded against emc, grid 2, 5 mm, for high speed data rates, for use with printed boards

    經過質量評定的直流低頻模擬及數字高速數據系統用連接器.印製電路板連接器.帶屏蔽和2 . 5mm基柵的兩件式連接器詳細規范.同印製板一起使用的高速數據傳輸率emc屏蔽防護和2 . 5mm柵格的電路板連接器電纜
  18. The advancing - front method and the delaunay method are studied here to fulfill the generation of 2 - d unstructured grid. the mesh is built and renewed by using delaunay triangulation method

    網格的劃分及更新採用delaunay三角化方法,網格內部節點的生成則是基於陣面推進法的思想。
  19. Aiming at studying algorithm of 3 - d seismic data and 3 - d grid data of topography, a interactive visualization system of 3 - d seismic and topography data was discussed

    本文以研究三維地震數據體和三維地形網格的可視化演算法為主要目的,討論了三維地震地形數據體的交互可視化系統。
  20. Also application the scientific visualization technology of 3 - d grid data of topography, researchers can get the wave of topography

    藉助於三維地形網格可視化技術,可以更準確地描述地形的起伏變化。
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