grid field 中文意思是什麼

grid field 解釋
柵極控制場
  • 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)...
  • field : n 菲爾德〈姓氏〉。n 1 原野,曠野;(海、空、冰雪等的)茫茫一片。2 田地,牧場;割草場;〈pl 〉〈集...
  1. For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field

    因此,對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此,本文從測井地質的角度,針對當前裂縫性儲層測井地質解釋與評價的現狀,在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上,利用分形分維方法和技術,通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ ( fa )與m指數的理論推導,根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜,則其分維值d _ ( fa )越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵,提出了改進的基於盒維數的測井曲線網格覆蓋法,編程計算了裂縫性儲層段常規測井曲線(如聲波和電阻率曲線)上分形分維值及其m指數值,進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究,效果十分理想: 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪,採用儲層分維值分類技術統計分析這些參數變化的規律,並結合qx油田l區塊儲層類型經驗判別圖版,從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。
  2. The kundahlini energizes all grid work of the etheric body, chakra system, subtle bodies, light body and auric field

    昆達里尼則充能了以太體、脈輪系統、精微體、光體和金場中的一切晶格層。
  3. A highly efficient numerical algorithm by using multi - grid method ( mgm ) is introduced to solve the three dimensional field distribution in the present paper. formulae of the restriction and prolongation in mgm computation is deduced, and a 3d program of mgm is accomplished, which can solve the field distributions in electron optical systems for various electrostatic lenses. the 3d field distribution in an electrostatic concentric spherical model is tested with mgm algorithm and an algorithm based on finite difference method ( fdm ) respectively. comparing these two results in view of computational efficiency and computational accuracy, it appears that mgm is superior to fdm in solving electrostatic field distribution for the electron optics problem. this paper shows that the 3d field computation using mgm greatly improves the computational efficiency of field distributions in electron optical systems and shortens the computational time

    本文將一種高效率的數值計算方法? ?多重網格法引入三維靜電場分佈的計算,多重網格法利用限制和延拓可迅速求得滿足精度要求的場分佈.研究了求解各種靜電透鏡電子光學系統三維場分佈的多重網格法程序,驗算了靜電同心球模型的三維場分佈.通過與目前在場計算中常用的有限差分法進行比較,可以看出多重網格法的計算效率和計算精度優于有限差分法.本文表明利用多重網格法計算三維場大大提高了場分佈的計算效率,縮短了計算時間,因此為后續計算打下了良好的基礎
  4. With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed

    本文在深入研究真空微電子器件場致發射理論的基礎上,根據圓錐形、楔形陰極真空微電子三極體的不同特點,分別建立了物理和數學模型,在考慮空間電荷密度影響的前提下,以有限元法為基礎採用迭代的方法計算出真空微電子三極體內的電勢分佈情況,繪制出了等勢線、電子軌跡線,並得到了器件電學性能隨幾何參數的變化情況。
  5. In this manner energy is transferred from the field to the grid.

    能量就這樣由電場傳給線柵。
  6. In order to verify the accuracy, credence and effectiveness of the unstructured overset grid algorithm, steady and unsteady flow field of naca0012 airfoil are simulated. the unsteady flow field is caused by the oscillation of the airfoil. the two computational results are both compatible well with the experimental data

    為了驗證非結構重疊網格方法的正確性、可靠性和有效性,本文對基於非結構重疊網格的naca0012翼型的定常流場以及簡諧振蕩的非定常流場進行了數值模擬,均取得了與實驗數據符合良好的結果。
  7. In fluid field solving, the numerical flux is estimated using high - accuracy roe scheme with limiter. in time marching, we use dual - time stepping together with implicit lu - sgs scheme and get reasonable results efficiently. the difference of the fluid computation between single grid and overset grids lies in the dispose of the computation boundary

    流場解算時,對流場數值通量的求解採用的是帶限制器的高階精度roe格式,時間推進採用了含雙時間步長的隱式lu - sgs ( lower - uppersymmetricgauss - seidel )格式,提高了求解的效率。
  8. In computation of swept volume approximation, an improved technique to generate the swept volume approximation for arbitrary meshes is presented by introducing generator simplification and path resample using frenet moving frames along the discreted sweeping trajectory. other steps, such as a directed distance field computation on a uniform grid based on the hardware accelerated computation technique and iso - surface extraction using marching cubes algorithm, are also included in this algorithm. in addition, the simplification scheme and smoothing technique are applied to the swept volume generated from iso - surface extraction

    本文的主要貢獻在於:在掃描體逼近計算方面,在原有任意多邊形網格模型沿任意路徑運動生成掃描體逼近演算法的基礎上,提出了加入對掃描母體簡化的預處理和用活動標架對掃描路徑進行重采樣等過程,演算法的其它過程還包括:計算掃描體中幾何基元的排列,用硬體加速構造無符號的有向距離場,將無符號距離場轉化為有符號距離場,從有符號有向距離場提取等值面等。
  9. Applying spatial interpolation and data topographty model, realizes that isoline data create grid data, forms surface and makes three - dimensional geological body, according to the actual demands in oil and gas field development

    運用空間插值、數字地形模型等方法,根據油氣田開發中的實際需要,實現由等值線數據生成網格數據,形成構建表面,最終得到三維地質體。
  10. The hurry - up message, which was broadcast live to millions of television viewers, came as fisichella was struggling to fight his way back through the field after his car had stalled on the grid

    這個緊急的信息通過電視轉播傳送給了數百萬的電視觀眾,此時的費斯切拉由於賽車在發車區上熄火,所以不得不拚命從後排奮起直追。
  11. So we increase plant cover by 7 percent in every grid ( making transitional field changed from desert into oasis ) to study the impact of lulc variation on regional climate

    因此我們在每個網格點上增加了七個百分點植被(使原來過渡帶地區的沙漠變為綠洲) ,來研究植被變化所引起的氣候響應。
  12. The other part of their paper was to evaluate the risk of heavy metal ( cadmium ) movement in the field. first, the experiment of cadmium sorption was carried out in a 15mx 15m plot at yongledian, tongxian county, in beijing and 36 different soil samples were taken from the field plot according to the 3mx3m grid size

    首先,在永樂店試驗站15m 15m的試驗小區上,以3m 3m為網格間距取36個點的土樣,獲得每個土樣的土壤質地,對這36個土樣在實驗室內開展鎘的吸附實驗,研究其吸附特性,獲得吸附參數。
  13. In this paper, by using monte carlo method with irregular grid random walk in time - space domain the problem of mass concrete transient temperature field was solved

    摘要利用求偏微分方程的蒙特卡羅演算法,通過在時空域中不規則網格隨機游動來求解大體積混凝土不穩定溫度場。
  14. We also compute naca0012 airfoil and certain three - foil flow field separately with explicit 4 - step runge - kutta scheme and the implicit lu - sgs scheme and results show the latter is much more efficient. in the end, the capability of the algorithm to deal with multi - bodies in relative movements is demonstrated by a dropping drank problem. it turns out that the unstructured overset grid is valuable and promising in practical application

    同時為了驗證隱式lu - sgs格式的收斂效果,我們對基於單塊網格的naca0012翼型與某三段翼型在不同的來流條件下,分別用帶隱式的lu - sgs格式與顯式的四步runge - kutta格式的解算器進行了數值模擬。
  15. This study choosed arc view gis by way of foundation platform and developed the function modules for region geophysics and geochemistry ( for example hydrological function and background analyst for region geochemistry and transformation for potency field and transformation of map projection and correlation analyst and grid data treating and inserter for kriging and trend and so on ) except using the basic functions of arc view gis ( e. g. neighbour analyst and spatial data treating and surface analyst and model constructor and so on )

    本論文選擇arcviewgis作為基礎平臺,除利用arcviewgis的基本功能(如鄰域分析、空間數據處理、表面分析、模型構造器等)外,開發了適合於區域地球物理地球化學綜合解釋的功能模塊,如水文功能、區域地球化學背景分析、位場變換、地圖投影變換、相關場分析、柵格數據處理、 kriging及trend插值器等。
  16. In this paper, i studied the space - time character of ssw event in the mid and high latitude of the northern hemisphere and its affective factors, by using ncep / ncar re - analyzed day - by - day potential height field, temperature field, u, v and w data field, and monthly average earth probe - toms global grid data of ozone amount

    本文利用ncep ncar再分析計劃的逐日位勢高度場,溫度場, u 、 v和w資料場和earthprobe ? toms月平均全球臭氧總量格點資料,對北半球中高緯地區強爆發性增溫( ssw )事件的時空特徵及其影響因素進行了研究。
  17. Comparisons of two different grid systems in the simulation of oscillatory flow field in a baffled reactor

    兩種網格在振蕩流反應器三維流場計算中的比較
  18. Grid computing is one of the best hot field in computer research. it provides one executable method to share computer resource on the whole network

    網格運算是當前計算機研究的熱門領域,它的出現,為實現整個網路的資源共享提供了一種可行的方法。
  19. Double grid field effect tube

    雙柵場效應管
  20. This method has different consideration with conventional ways, it can reduce the disposal time for almost 100 times, and resolve the efficiency problem successfully. with the help of research in this paper, the capability of using overlap grid has been improved greatly and many old work based on structural - grid, such as difference scheme, turbulence model, can be used in moving - grid field of overlap grid technology and expand our research field for cfd remarkably

    通過本文的研究,使我們應用重疊網格處理復雜外形的能力得到顯著提升並使我們基於結構網格做的許多研究工作,如各種差分格式以及各種湍流模型的比較研究、大攻角問題等專項研究平滑地過渡到基於重疊網格的動網格應用領域來,較大地拓展了我們的研究應用領域。
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