曲線網格 的英文怎麼說

中文拼音 [xiànwǎng]
曲線網格 英文
curvilinear grid
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : Ⅰ名詞1 (捕魚捉鳥的器具) net 2 (像網的東西) thing which looks like a net 3 (像網一樣的組織或...
  • : 格象聲詞rattle; gurgle
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  • 網格 : cancellus
  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分維d _ ( fa )與m指數的理論推導,根據裂縫性儲層測井形態分維值的地球物理意義? ?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(如聲波和電阻率)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. This paper put forward the optimized methods include reconstructing the characteristic curve by reasonable use of the adjust tools and analyse tools of the modeling software, admeasuring the automotive model surface correctly, simulating the breaking surface and creating the surface in the right turns which is good for modeling a smooth and exactitude surface. at last, after the correct analysis of the factors which are effect to the surface construction, a smooth and exactitude surface of the similar diamond concept car has been constructed by using the right optimize method

    本文通過合理利用反求軟體中的造型工具和分析工具,正確劃分反求模型的造型區域,使用正確的面造型方法,對反求面的特徵進行二次優化,並對突變面進行擬合再生成處理及建立合理的面生成順序等方法,最終獲得了仿型度和光順度都很高的反求面。
  3. The traditional analog frequency - sweeping instrument, which mostly uses the lc circuit as the frequency oscillator, is more expensive, too much bigger and heavy to carry. it can only display the curve of amplitude - frequency, but ca n ' t used to measure the phase - frequency, and ca n ' t used to print the curve of frequency response characteristic either. it brings many discommodity to the user

    傳統的模擬式掃頻儀大多是用lc電路構成掃頻振蕩器,它不僅價昂貴,體積龐大,而且只能顯示幅頻特性,不能得到相頻特性,更不能列印被測路的頻響,給使用者帶來諸多不便。
  4. Because of the flexuous coastal line and the diverse topography of zhejiang province, nested grid method is used to simulate the interested research area with fine grids of 1 ' 1 ", and analyses the whole area of bohai sea, yellow sea and east china sea, including the seas adjacent to zhejiang, with wide grids of 10 ' 10 ". the opening boundary condition of the small area is obtained from the calculation results in large area

    針對浙江近海岸折,地形多變的特點,引入嵌套技術,對我們感興趣的研究區域採用1 1細進行計算,而對包括浙江近海在內的整個渤、黃、東海大區域則用10 10粗;其中,小區域的開邊界條件由大區域的計算結果來提供。
  5. The basic idea is to predefine a certain set of geometric primitives, such as points, curves, spheres, cubes and deform the specific areas of the objects aligning those of the given geometric primitives

    其基本思想是,預先定義一些幾何基元,如:點、、球體和立方體,用這些基元作為編輯的工具。
  6. 8 guo b. quadric and cubic bitetrahedral patches. the visual computer, 1995, 11 : 253 - 262. 9 wang w, qin k. on the existence and computation of rational quartic spherical curves for hermite interpolation

    關于參數插值面構造的研究綜述一般是先在每三角剖分面上構造邊界,而後再用一片或多片插值面去填充這些曲線網格
  7. This thesis gives a brief account of the basic theories of software engineering and computer graphics, of the data structure of individual component modeling, of the design of the software structure and of the method of realizing software. meanwhile, this thesis put more emphasis on the exploration of the arithmetic of the delaunay triangle network, nurbs curve integration, the filling - in arithmetic of triple - tree, and the arithmetic based on the scan - line arithmetic and the filling - in of complex section

    文章介紹了關于軟體工程學與計算機圖形學的基本理論及其各組件模型的數據結構、軟體結構設計與軟體實現的技術方法,並重點討論了基於約束條件的delaunay三角化演算法、 nurbs (非均勻有理b樣條)面擬合、三叉樹等值填充演算法和基於掃描的復雜剖面填充演算法。
  8. Geometric modelling : algorithms and new trends, g. farin ed., siam, philadelphia, 1987, pp. 235 - 246. 20 loop c. smooth spline surfaces over irregular meshes

    3構造擬插值面,它覆蓋四邊或三角域上的曲線網格並部分插值于其上法向量。
  9. Morphing is the continuous smooth and natural transformation of a source object into a target object, where the object can be a numerical image, curve, surface, mesh, etc. morphing has very wide use in many areas, such as computer graphics, animation design, industrial modeling, science computation visualization, film stunt, etc. this paper makes researches on the morph of compatible planar triangulations and that of planar polygons, and the main results are as follows : 1 ) morph of compatible planar triangulations : this paper presents a convexity - preserving method for morphing compatible planar triangulations with different convex boundaries

    變形,是指從初始物體到目標物體的連續、光滑、自然的過渡(這里的物體可以是數字圖像、面、等) 。變形在許多領域有著十分廣泛的應用,如計算機圖形學、動畫設計、工業造型、科學計算可視化、電影特技等。本文對同構平面三角的變形和平面多邊形的變形進行了研究,主要的研究結果如下: 1 )同構平面三角的變形:提出了具有不同凸邊界的同構平面三角的保凸變形方法。
  10. The sew method, through curve method and through curve mesh method are presented to construct the turbine blade surface which is a free 3d surface

    提出了縫合法,截面整體造型法和曲線網格法三種不同的葉身型面造型方法。
  11. Profile curves of a rounding surface are calculated along a feature line with a given radius. then inner elements of a rounding mesh is created with these profile curves, and sewn with the original mesh which is pre - trimmed. a feature - based mesh modification method is proposed for existing rounding feature

    給定圓角半徑,計算出沿特徵圓角面的截面輪廓,以輪廓的六等分點為節點生成圓角區域單元,並與剪裁后的基面縫合,從而生成沿特徵的圓角
  12. When severely distorted elements appear, the meshes in the window are regenerated by the advancing - front method and flow properties are interpolated from the old mesh to the new one linearly

    當出現嚴重扭單元時,採用陣面推進法重新生成變形區內的,並通過性插值傳遞流動信息。
  13. 6. a 3 - d flow and sediment model in curvilinear collocated grid is developed from 2 - d model

    ( 6 )非交錯曲線網格三維水流泥沙數值模型,採用擬合坐標和垂向坐標變換。
  14. Numerical methods currently used cannot fit the complex geometry well because of the utility of rectangle and orthogonal curvilinear grids

    但是,數值模型多採用矩形和正交曲線網格,對自然界復雜的幾何邊界適應能力較弱。
  15. Based on poission equation conversion, generated methods of curvilinear grids are presented. 4. 2 - d flow and sediment transport model with non - staggered curvilinear grids is presented

    ( 3 )以poission方程變換為基礎,建立擬合坐標系下非正交和正交曲線網格生成方法。
  16. In this paper, a brief introduction of hydrodynamic, sediment transport model and its application in engineering projects are reported. 2. the equations are derived using a tensor analysis of two - phase flow, and the background of basic equations and parameters in the numerical model are discussed

    本文採用非交錯曲線網格二、三維水流泥沙數值模型研究感潮河道水流泥沙問題,主要內容有: ( 1 )綜述水流泥沙數值模型的發展概況,及其工程應用。
  17. Finally, in orthogonal curvilinear coordinate systems numerical model is established and applied in the yangtze river estuary in which some regulation plans are taken include submerged jets and groins. verifications are also done to verify water level and velocity. flow fields are computed for the analysis of effect of regulation engineering on the whole water area

    最後,應用正交曲線網格技術,建立了正交坐標系下廣義淺水方程的計算模式,將之應用於長江口深水航道整治工程的流場計算,進行實測水位、流速驗證和流場模擬。
  18. The expression of the improved boussinesq equations in curvilinear orthogonal coordinate system is derived. on the basis of poission equation conversion, the methods to generate curvilinear orthogonal grids are introduced, and then the two - dimensional numerical wave model under curvilinear orthogonal coordinate system is established

    推導了正交坐標系下的改進型boussinesq方程,以poission方程變換為基礎,建立擬合正交坐標系下正交曲線網格的生成方法,進而建立正交坐標系下的二維波浪模型,提高了模型對復雜地形的適用性。
  19. 3 department of naval architecture ocean engineering and research institute of marine systems engineering seoul national university, seoul 151 - 744, korea

    一種從等參中生成雙三次g 1連續的b樣條船殼面的方法
  20. 3 ) the instruction - level parallel calculation of streamlines on 3d curvilinear grids has been implemented firstly by using the streaming simd extensions ( sse ), which are a set of extensions of the intel pentium hi / 4 processor. compared with the conventional algorithm, sse - based algorithm coded by vector class library enhances performance about 55 %, and coded by inlined - assembly is about 75 %

    ) pentium ( pentium4 )處理器的流simd擴展( sse ) ,首次實現了3d曲線網格計算的指令級并行,與傳統演算法相比,向量類庫編碼實現的sse演算法將性能提高了55左右,嵌入匯編實現提高了75左右。
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