曲邊三角形 的英文怎麼說

中文拼音 [qūbiānsānjiǎoxíng]
曲邊三角形 英文
curved line trangle
  • 曲 : 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...
  • 邊 : 邊Ⅰ名詞1 （幾何圖形上夾成角的直線或圍成多邊形的線段） side; section 2 （邊緣） edge; margin; oute...
  • 三 : Ⅰ數詞1. （二加一后所得） three 2. （表示多數或多次） more than two; several; many Ⅱ名詞（姓氏） a surname
  • 角 : 角Ⅰ名詞1 （牛、羊、 鹿等頭上長出的堅硬的東西） horn 2 （古時軍中吹的樂器） bugle; horn 3 （形狀像...
  1. When the fibres are in contact, the resin will form a tricorne - a triangle with curved sides

    在纖維互相接觸時，樹脂就形成一個曲邊三角體- -一個帶有曲邊的三角形。
  2. Various shapes of returns like triangular, semi - circular and trapezoid - shaped are available for cresting your own office

    極富創意的辦公桌，有著不同形裝如三角形、半圓形、曲尺形及四邊形，以創造您個人品位的辦公室。
  3. 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、曲線、曲面、網格等） 。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網格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 ）同構平面三角網格的變形：提出了具有不同凸邊界的同構平面三角網格的保凸變形方法。
  4. Anisotropic convergences of some famous finite elements are also analyzed, and a lot of numerical experiments have been carried out - many applicable triangular and rectangular elements have been developed for the plate bending problems, some of them are conforming and some of them arc unconforming, but the researches on quadrilateral piar. e elements have been seldom reported

    對薄板彎曲問題，已提出了很多適用的三角形元和矩形元，有協調的，也有非協調的。但關于任意四邊形板元的研究尚不多見。對于矩形元，從參考元（
  5. An original mesh generation method based on the nc track points of tool surfaces is proposed here, the method can automatically generate meshes consisting of only quadrilateral elements, which is desirable for better accuracy and efficiency of simulation. besides, an automatic local coarsening algorithm for structured quadrilateral meshes is also developed. for arbitrary discrete points on auto body surfaces, an automatic triangulation method is adopted and a series of mesh optimization methods with given constraint conditions are proposed

    創新地提出了基於模具型腔表面nc數控軌跡點的全自動四邊形網格生成演算法，提出了結構化四邊形網格局部自動優化演算法，研究了基於車身曲面離散點的三角形網格自動生成演算法，並提出了給定約束條件的三角形優化演算法，探討性地研究了基於模具曲率半徑的板料初始網格局部自動細化演算法。
  6. When the fibres are in contact, the resin will form a tricorne-a triangle with curved sides.

    在纖維互相接觸時，樹脂就形成一個曲邊三角體--一個帶有曲邊的三角形。
  7. To improve computing precision, the latter applies interpolating function of curved - quadrilateral element containing six npdes to thicking the influence surface of grillage. compared with lagrangian interpolation for rectangular element and triangle plane interpolation, this way not only improves computing precision but be more suitable for the curved - bar grillage analyzing method introduced this paper

    為了提高計算精度，本文應用六結點曲邊四邊形單元插值函數加密梁格影響面，與矩形單元拉格朗日插值及三角平面插值方法相比，不但提高了計算精度，且更適于曲桿梁格分析。
  8. To fulfill the need of the application of rp technique in medical domain, reverse cad modeling from medical cross sections is systematically studied in this dissertation. firstly, some algorithms related to the research of this dissertation are studied. new algorithms for orientation and inclusion test for simple polygon, an error constrained automatic faring algorithm for b - spline curve and a theorem regarding the termination criterion for subdivision of triangular bezier patch are proposed

    本文針對rp技術在醫學領域應用的需要，系統研究了基於醫學斷層輪廓數據的反求cad建模理論和方法： （ 1 ）在基礎演算法研究部分，提出了簡單多邊形方向及點在多邊形內外判斷的新方法、三角b zier曲面片離散的誤差控制定理和一種帶誤差約束的b樣條曲線的自動光順方法； （ 2 ）提出了一種基於相鄰層輪廓相似性的醫學斷層輪廓數據曲面重構方法； （ 3 ）提出了一種稱為「虛擬測量」的曲面模型處理方法。
  9. 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，基於板料厚向變形忽略不計的先驗假設，首創混合四邊形-三角形網格等面積展開的幾何模擬法確定壁板類零件毛坯外形，給出了混合四邊形-三角形網格等面積展開演算法；提出了虛擬分割線的概念，採用虛擬幾何對稱軸，給出了規整四邊形單元展開基帶上結點的計算方法；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。
  10. 2 ) for making the meshes consistent on the common boundaries of adjoining surfaces, a new approach of boundary discretization is employed. 3 ) the boundary - representation structure is adopted to fulfill the mesh generation over combined surfaces. 4 ) the quality of surface meshes is improved by point creation on 3d scan lines and diagonal swapping procedure

    通過引入可移動的虛邊界解決了閉合曲面的剖分問題；通過對鄰接曲面公共邊界的統一處理，保證了組合曲面拼合處網格的相容性；以邊界表示數據結構為基礎實現了三維組合曲面的全自動網格剖分；採用空間掃描線布點、診斷交換等技術，優化了網格的質量；並以autocad為支撐平臺objectarx為開發工具，開發了一個基於幾何造型的曲面三角形網格全自動生成程序。
  11. First, the basic raster graphics algorithms for drawing 2d primitives are introduced, including edge coherence and the scan - line algorithm of triangle, brush algorithm of thick line ( and its improved method ) and midpoint circle and ellipse algorithm ; and the current situation of the advanced algorithms is also involved. second, the mapping of high level programming language to hardware description language is described, some principles of the conversion of algorithm to state machine are proposed also ; then, the implementation of basic graphics in hardware is discussed in detail, the state machines are drawn in the paper, and the interfaces of hardware are defined, block diagrams too, and the advanced algorithm of conic is proved ; finally, some issues about test are described, the results of simulation and synthesis are given in the last, and some detailed data are displayed in the appendix

    首先介紹了現有的基本圖形生成演算法，包括三角形邊相關掃描演算法，寬直線的線刷子演算法及其改進和圓形、橢圓的生成演算法，同時介紹了加速演算法的研究現狀；然後，討論了高級語言描述到硬體描述語言的映射，提出了演算法到狀態機抽象的規律；接著具體討論了基本圖形的硬體實現，給出了各演算法的狀態機圖，介面定義和實現框架，並且從理論角度給出了二次曲線加速演算法的證明：最後採用軟體工具進行測試驗證，給出了模擬、綜合實現的結果，並在附錄中有詳細的實驗結果數據。
  12. The parametrization work of eck et al., and the b - spline construction scheme of peters. the main contribution of this procedure are : it presents a combinatorial optimization method for builing a quadrilateral domain from a triangular one ; it presents an efficient method for fitting a gl b - spline surface of arbitrary topological type to unorganized points ; it introduces a scheme for adaptive refinement of the quadrilateral patch network

    論文工作利用了以前hoppe的表面重構工作， eck的參數化工作和peters的b樣條重構方案，主要貢獻在於：提出了從三角形域構造四邊形域的組合優化方法；提出了從無序點重構具有任意拓撲結構g1連續nurbs曲面的有效方法；提出了四邊形網格自適應細分的方案。
  13. We discuss the visual information from texture image and the cause of texture distortion, and then present a simplification algorithm with texture in chapter three. the visual information from different parts of texture image is measured by color variation, and the possibility of texture distortion is measured by the unevenness of texture intensity ( the area of a triangle ' s corresponding texture divided by its area in geometric space )

    該演算法考慮了紋理扭曲的成因和紋理圖像內容對視覺的影響，用邊緣檢測的方法度量紋理圖像上不同區域對視覺影響的大小，用紋理密度（三角形對應紋理區域的大小和它在三維空間中面積的比值）的變化度量紋理扭曲發生的可能性和嚴重程度，並把這些與紋理相關的誤差度量和幾何誤差度量結合。
  14. And then, according to finite element theory of reinforced concrete, the main calculating program of " nonlinear finite element ultimate analysis of reinforced concrete thin slabs with complex geometry & boundary condition " is made by using the triangle layered - assembled element of elastic thin slabs and the stress - strain relation by considering concrete as anisotropic material under effecting by two - way stress, and the concrete material model presented by darwin and pechnold, and the yield criterion of concrete presented by kupfer and gerstle

    然後根據鋼筋混凝土有限元理論，以三角形分層組合式的彈性薄板彎曲單元為基礎，考慮混凝土為各向異性材料在雙向應力作用下的本構關系，採用darwin和pechnold的混凝土材料模型和kupfer與gerstle等人研究的混凝土破壞準則，編制了「復雜幾何形狀和邊界條件鋼筋混凝土薄板非線性有限元極限分析程序」中的核心計算程序。
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