方形網格 的英文怎麼說

中文拼音 [fāngxíngwǎng]
方形網格 英文
square lattice
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 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
  • 方形 : square; tetragonum
  • 網格 : cancellus
  1. The grid lines then form a network of squares.

    這樣線就成了正方形網格
  2. 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:在掃描體逼近計算面,在原有任意多邊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。
  3. The explicit finite element method ( fem ) based on the varying time - step was selected to analyse the dynamic roll - pass process ; the nodes on the leading face of the steady - state elements set was extracted and projected onto a plane to give the required mesh, also called the origin mesh ; the implicit fem was selected to analyses the inter - pass transient thermal process ; a geometric part from the mesh was generated and meshed by using the quadrilateral elements, a heat transfer analysis was selected to transfer the node temperature data ; a new model was created by using hexahedral elements, mapping the node temperature and the equivalent plastic strain on the integration points

    利用基於變步長中心差分式的顯式積分法分析瞬態軋制過程;提取穩態單元集節點成截面;利用隱式積分法分析軋制道次間隙瞬態溫度場;對型鋼斷面進行平面四邊劃分並映射節點溫度數據;利用六面體單元構建有限元分析模型,映射單元節點的溫度、積分點的等效塑性應變,進行數值分析。
  4. We obtained the uniform data distribution from discrete data points by inserting spatial dots and then set up digital elevation model ( dem ) of correlative area through constructing mutual linked triangle net. the isoline graph was implemented based on this model. during the processes, we combined the technology of stratification computing when inserting special dots in fault area with the technology of stratification triangle net in fault area for dealing with thrust data

    然後介紹了在本研究中構造逆斷層地質等值線的基本思路:從離散數據點結構出發,採用空間數據內插法進行數據的均勻化,通過三角剖分構造出相互連接的三角路結構來建立起相關區域內的數字高程模型,利用該模型構造出相應的地質等值線圖,其中使用擴展點與斷層區的關系屬性進行斷層區分層空間插值計算處理和斷層區域的分層三角化處理相結合的技術,實現逆斷層數據的處理和等值線繪制。
  5. By pre - dividing parametric region of the surface and introducing the concept “ maximum absolute normal curvature ” at a point on the surface, the method adopts “ divide and conquer ” approach triangulating the parametric region of the surface piecewise

    該演算法通過對曲面的參數域進行預剖分,以及引入曲面上一點處的「最大絕對法曲率」的概念,採用「分而治之」的法分片對參數曲面的參數域進行三角剖分。
  6. The main innovation of our method is that we only need construct polygonal mesh possessing simple symmetric properties on both sides of control polygon edges of interpolated curves, and do n ' t need modify the subdivision rules near the interpolation curves during the process of subdivision. thus the subdivision rules are simple. the process is convergent and the limit surface is c everywhere except a finite number of points

    法的主要創新思想是,在被插值曲線的控制多邊兩側構造具有簡單對稱性質的多邊,而在細分過程中,則無須修改被插值曲線附近的細分規則,兇此細分演算法是簡單的,細分過程是收斂的,且最終的插值曲面除有限個點外是c ~ 2連續的。
  7. Its accomplishment is simple and intuitional. the main innovation of this method is that we only need construct a symmetric zonal mesh for each interpolated curve respectively and write appropriate knot spacings for mesh edges. then applying nurcc rules to the initial control polygonal mesh consisting of those symmetric zonal meshes can generate a surface that satisfies interpolation constrains

    法的主要創新思想是在被插值曲線的控制多邊兩側構造具有簡單對稱性質的四邊,稱為對稱帶,但關鍵還在於對邊賦予適當的節點距,並對由這些對稱帶組成的初始控制應用非均勻有理catmull一clark細分規則,來生成滿足插值要求的曲面
  8. Molded grating is composed of fiberglass roving combined with a thermosetting resin series designed for different environments and applications smg series standard grating has a concave profile on the upper surface for skid resistance, grit tops are available upon request

    採用玻璃鋼模塑成型工藝,在大型金屬模具上製作,製品帶有許多對稱的或矩的板材,稱為玻璃鋼模塑柵, smg為標準英制模塑柵系列,按客戶要求上表面帶月牙凹型或石英砂防滑,也可以做成表面封閉。
  9. Energy conservation and and reformation of power plants " heat installation affect a lot on the efficient performance of opertion of power plant. pump and fan take a large proportion in power plant and resume much electric energy. so there is much energy conservation pationlity in them. and we should have strong tools and theories " support to reform them. we can combine the theory modeling and engineering design manufacture by the bussiness software such as fluent. in order to take full advantage of the powerful function of fluent and increase absolutely its conveniece and interaction, we should develop fluent secondly. this paper puts the idea firstly demostricly to substitute the performance test of pump and fan to get the integrative system of the optimization and computer aid design, and so we can increase greatly of the efficiecy and quality of the facility reformation. the main idea about the secondary development of fluent in this paper is based on the secondary development of gambit, the modeling and meshing s oftware of fluent, and simplify the modeling and meshing of gambit. meanwile, the data management base on web browser kind is adopted for the convenience of optimization and parameterization, and the journal files createdly recently can get new medeling and meshing files that can be used by fluent. so the designer can focus on the computer scheme and the result analysis without care the fussy designing and optimiziation. so we can increase greatly the optimization efficiency

    泵與風機在電廠中占較大數量比例,且消耗大量電能,節能潛力巨大,對其改造需要強有力的工具和理論支持,用商用cfd軟體如fluent可實現泵與風機改造中的理論模擬與工程設計製造間的結合。為了充分發揮fluent的強大功能,又能最大程度地提高其便性與交戶性,應對其進行二次開發。本課題在國內首先提出對fluent進行二次開發,替代泵與風機性能試驗,成一體化的優化、輔助製造系統,可大大提高設備改造的效率與質量,其主要思想是基於fluent的cad構體軟體gambit進行二次開發,簡化了泵的構體過程,同時,為了優化及參數化便,採用基於webbrowser的數據管理式,生成新的記錄文件同時產生新的fluent計算能識別的圖文件,這樣就將設計優化者從繁瑣的圖設計及優化中解脫出來,專注于對計算案的確定及計算結果的分析,極大地提高了設計優化的效率。
  10. Compared with the conventional finite - difference method on the fixed grid - size rectangular grids, the new method can be more cost - effective in complex models. numerical tests for both seismic modeling and reverse - time migration are performed on various theoretical models and a physical experiment

    用該剖分法得到的在各速度層內的空間步長是不同的,而全區域上的時間步長卻近於恆定,因此在復雜模型上,本文法的計算效率要高於傳統的矩差分法。
  11. A new finite - difference method is developed for seismic modeling and reverse - time migration based upon the voronoi cell construction on irregular grids. curved velocity boundaries and irregular earth surface can be accurately represented using the irregular grid implementation. therefore the modeled and migrated results can be more accurate, and meanwhile, the efficiency is still preserved using an explicit finite - difference scheme

    本文的法可以實現任意非規則上的顯式差分計算,因此該法在保持了傳統的矩差分演算法簡單、高效特點的同時,又能精確地描述彎曲界面和起伏地表,提高了有限差分地震模擬和偏移結果的精度。
  12. For cases with relative large boundary displacement, a window is created enclosing the moving body in which the mesh elements are specified to be deforming adapted to the body motion

    處理動邊界位移較大的情況時,必須結合局部重構法。區域被限制在包圍動邊界的一個窗口范圍內。
  13. On the base of analysis of hydrologic geology from aquifer distribution, boundary conditions and dynamic characters etc. in the research area, the paper sums up the hydrologic geologic condition, builds up the conceptual model of groundwater resource evaluation and presents 2d calculation model, as well as numeric solution and computing flow chart. after introducing general solutions of mathematic models and implementation method of rectangular grid, the paper realizes the automatic technique of spatial dispersion rectangular grid of evaluation models based on gis. finally, the paper fulfills the integration of gis with groundwater resource evaluation models from gis - based basic management information, spatio - temporal dispersion of models, definition of subprogram and visual evaluation of parameters, as well as models simulation etc., and visualizes the results of evaluation models

    論文以地下水超采?地下水降落漏斗?地面沉降現象較為嚴重的常州、武進地區作為研究評價區域,在對評價區域的含水層分佈、邊界條件和動態特徵等水文地質條件分析的基礎上,概化了其水文地質條件,構建了相應的地下水資源評價概念模型與數學模型,並給出其數值解法和相應的計算流程;論文在介紹數學模型的兩種常用數值解法和模型空間離散的矩生成技術的基礎上,實現了基於gis的評價模型空間離散矩的自動生成;最後,論文從基於gis的評價模型基本信息管理、模型空間時間離散法、子程序包與模型計算參數可視化賦值、模型的擬合等面實現了gis與評價區域的地下水資源評價模型的集成,並將模型評價結果可視化。
  14. Though the rational fractions based on one - variable ( vector valued ) continued fractions have been used in other engineering fields, its application in the field of digital image processing has n ' t yet been reported in the literature so far. 2

    基於一元(向量)連分式式的有理分式已應用於其它工程領域,但基於矩和三角上的混合有理插值在數字圖像處理領域目前還沒看到這面的報道。
  15. On the assumption of ignoring the distortion of thickness, this paper determines the rough shape by the geometric modeling method of equal area developing using mixed mesh cell of triangle and quadrangle for the first time, presents the equal area developing arithmetic of quadrangle - triangle. on the virtual geometric symmetry axis, we puts forward the method of determining the developed coordinate of the point on the base band in the development of using regular quadrangle cell, determines the developed shape of internal structure in plane utilizing point - to - point mapping theory. furthermore, we realize the approximate developing of undeveloped - irregular boundary surface using a few triangle cells

    本文結合型號研製中小曲率機翼整體壁板類零件坯料展開課題,基於板料厚向變忽略不計的先驗假設,首創混合四邊-三角等面積展開的幾何模擬法確定壁板類零件毛坯外,給出了混合四邊-三角等面積展開演算法;提出了虛擬分割線的概念,採用虛擬幾何對稱軸,給出了規整四邊單元展開基帶上結點的計算法;採用映射原理和求交演算法確定了壁板內部結構信息的展開定位。
  16. Finite difference method can deal with regular boundary conditions. in this paper, we discrete the water domain into rectangular meshes, and simulate the propagation, reflection and diffraction of water waves. we just specify waves source, the movement of water waves can be simulated automatically

    有限差分法能夠處理具有規則邊界水域的水流現象,在本文中,我們把求解的水域離散成結構矩,對水流的折射、反射、繞射等水流現象進行了動畫模擬,我們僅僅指定產生水流動畫的波源,水流動畫的細節均由數值法產生,不需要人工的干預。
  17. Finite volume method can deal with irregular boundary conditions. in this paper, we discrete the water domain into triangular meshes, and simulate dam breaking, water droplets. the same as finite difference method, we just specify waves source, the movement of water waves can be simulated automatically

    有限體積法能夠處理具有不規則邊界水域的水流現象,在本文中,我們把求解的水域離散成無結構三角,對潰壩問題、雨景等水流現象進行了模擬,和有限差分法一樣,我們僅僅指定產生水流動畫的波源,水流動畫的細節均由數值法產生,不需要人工的干預。
  18. Because the two - dimension square model of ca can correspond to the two - dimension image well, it is possible to put the ca model to the field of image processing

    二維圖像的像點與二維ca的正方形網格點可以很好的對應,因此可以把ca模型用於圖像處理領域。
  19. You can easily visualize the data structure by imagining a grid of square or hexagonal cells. in practice, applications use square cells most of the time

    通過想像正方形網格或六邊單元,可以便地可視化數據結構(實踐中,應用程序在多數情況下採用正方形網格) 。
  20. A new quadrilateral mesh generation method based on advancing front technique

    復雜區域四邊生成的一種改進
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