曲三角剖分 的英文怎麼說

中文拼音 [qūsānjiǎopōufēn]
曲三角剖分 英文
curved triangulation
  • 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...
  • 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...
  • 剖 : [動]1. （破開） cut [rip] open 2. （分辨; 分析） analyse; examine; dissect
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  1. 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

    關于參數插值曲面構造的研究綜述一般是先在每三角剖分面上構造邊界曲線，而後再用一片或多片插值曲面去填充這些曲線網格。
  2. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    本文結合重慶市大渡口區「三木花園」開發建設項目，從地下空間靜力結構穩定性分析角度出發，針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米，高7 . 5米的地下隧道這一具體工程情況，採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規律進行了有限元數值分析計算，探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響，通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況，從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律： （ 1 ）在各種不同狀態下計算斷面的主應力矢量圖、位移分布圖（ ux 、 uy ）以及應力等值線色譜圖（ _ 1 、 _ 2 、 _ （ xy ） ）等； （ 2 ）相同狀態下不同水平與垂直剖線的應力_ 1 、 _ 2和_ （ xy ）對比分佈曲線； （ 3 ）不同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ （ xy ）的對比分佈曲線等，為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。
  3. Based on this milti - hierarchical model, application method for information organization of part is presented. chapter 3 proposes a new rule of arbitrary maximum angles of chord for triangulation and locale optimum, which avoides calculating angles of conventional methods in mesh simplification. moreover, with the introduction of arithmetical average windage concept, optimum method for the boundary mesh retriangulations is presented

    第三章針對曲面網格簡化操作過程中出現的空洞剖分問題，討論層次模型的網格優化方法，提出了基於弦內角最大準則的局部網格簡化方法；針對網格曲面上存在的曲折邊界缺陷，提出以邊界輪廓算術平均偏差作為邊界曲折程度評定參數的邊界平滑優化剖分方法。
  4. 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」的方法分片對參數曲面的參數域進行三角形網格剖分。
  5. Basically like “ adaptive approach ”, the method can control triangulation density with respect to the change of normal curvature of the surface generating a small number of triangular facets, and thiny triangles, degenerate triangles and “ cracks ” in 3d space will not occur, but the speed of the algorithm is higher than that of adaptive one

    該方法基本上可以像「自適應」方法一樣，根據曲面的法曲率變化來控制三角化剖分的密度，生成的三角片數量較少，並且可以避免在三維空間產生狹長的三角形、退化三角形與「裂縫」 ，運行速度明顯比自適應方法快。
  6. This paper discusses the formation algorithm of a terrane with folds. to form a fold with less lean, triangulation from scattered points in space and surface reconstruction are used. to form a fold that has superposition along z - axis, the single - value surfaces that compose the fold should be constructed separately and assembled later

    研究了帶有褶曲的巖層面的構造方法，對于傾角不大的褶曲用先進行空間三角剖分，然後重建曲面的方法構造；對于在z方向上有重疊的褶曲先構造出各單值曲面然後組合起來得到。
  7. In the mesh the local geometric and topological property can be clearly described with its adjacent points for a given point. then the delaunay triangulation technique in two dimensions is used to delete and modify the illegal triangles in the resulting mesh

    本文採用切平面作為曲面的局部近似，將局部的采樣點投影到切平面上，並對投影點集作二維delaunay三角剖分，最後根據投影點上的鄰接關系確定三維點之間的連接關系。
  8. Based on data cloud, which is measured from 3 - coordinate measuring machine ( cmm ) or so, an algorithm to search lopological structure from 3d unorganized points using envelopment - box technology is proposed in this thesis. based on this method, we searching neighbor points of sampling point. we also improve the max - min angle criteria to realize local triangulation, and then get the normal of sampling point from the triangulation

    本文以測量得到的曲面數據點點雲為基礎，提出了一種基於包圍盒的自動尋找三維散亂數據點之間拓撲結構的方法，採用該方法尋找采樣點的鄰域結點，並對三角剖分中的典型優化準則?最小內角最大準則提出了改進，按照改進后的優化準則實現了采樣點的局部三角劃分，並進一步求解得到采樣點的法向量，依據法向量及鄰域拓撲關系在二次曲面的基礎上實現了散亂數據曲面重構中的數據點的自動分類。
  9. Based on the synthetic research of field outcrops, drilling section, well log and office compilation, combined with analyses of geological background, lithological association, sedimentary structure and palaeobiological character, the researched area in the chang6 - 8 oil - beds of triassic yanchang formation can be divided into deltas, braided deltas, fan deltas and lakes etc. four kinds of sedimentary facies

    在野外露頭、鉆井剖面及測井曲線的綜合研究和室內編圖基礎上，綜合地質背景、巖性組合、沉積構造及古生物特徵，研究區三疊系延長組長6 ? 8油層組被劃分為三角洲、辮狀河三角洲、扇三角洲及湖泊等4種沉積相類型。
  10. Based on the synthetic research of field outcrops, drilling section, well log and office compilation, combined with analyses of geological background, lithological association, sedimentary texture, sedimentary structure, geochemical and palaeobiological features, the researched area in the palaeozoic can be divided into deltas, braided deltas, lacus, barrier coast, continental shelf and carbonate platform etc. six kinds of sedimentary facies

    在野外露頭、鉆井剖面及測井曲線的綜合研究和室內編圖基礎上，綜合地質背景、巖性組合、沉積結構、沉積構造、地球化學及古生物學特徵，研究區古生界被劃分為三角洲、辮狀河三角洲、湖泊、障壁海岸、陸棚及碳酸鹽臺地等6種沉積相類型。
  11. The computation of three dimensional volume is converted into that of integral of closed surface, which is based on the divergence theory

    摘要利用散度定理將體積計算轉化為閉曲面上的積分，對曲面進行三角形網格剖分。
  12. Chapter 1 ( the introduction ) gives a review of the development situation in virtual deformation design and surface reconstruction research and application. in this background, the significance and contents of mesh modeling, mesh optimization and mesh surface reconstruction in virtual environment are proposed particularly

    曲面重建技術在cad工程與可視化領域有著廣泛的應用，本文基於pro e系統三維造型信息，提取三角剖分網格，面向曲面變形研究網格模型建模、網格模型優化及幾何重建技術。
  13. 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。
  14. Adaptive triangular mesh generation of ship hull surface based on nurbs

    的船體曲面自適應三角網格剖分
  15. The algorithm is applicable to nonself - intersectant smooth surface set of any topology, including nonorientable surfaces, and its result is optimal surface triangulation in a way

    該演算法適用於包括單側曲面在內的光滑且不自交的任意拓撲曲面集，且重建結果是相對優化的曲面三角形剖分。
  16. The definitions of flat surface triangulation, local separate sample and overall separate sample are given based on this discussion

    在此基礎上，給出了平展的曲面三角剖分、局部分離樣本以及全局分離樣本的定義。
  17. The locality of the index is inherited from sierpinski curve. further we organize the data as multi layer and each layer data is of multiresolution

    淵度數據的局部連貫性由sierpinski填充曲線來保證，且與三角形的剖分相一致。
  18. This thesis seeks to validate an effective approach to the method of the triangulation form 3d scattered points. a low computational complexity and high mesh quality algorithm has great application merit in the research of computational geometry, surface reconstruction and visualization of 3d data

    低計算復雜度和高網格質量的三角剖分演算法在計算幾何、曲面重構及三維數據場可視化等研究領域中有著重大的應用價值。
  19. For the specification of the curve surface of ship, this system applies three methods, i. e. triangle, b - spline and nurbs, to express the ship curved surface

    針對船體曲面的特殊性，本文採用了三角剖分、 b樣條曲面、 nurbs等多種形式來表達船體曲面。
  20. In addition, an extended curve constraint is presented to replace the original triangulation and parameterization techniques and instead of the bezier - shaped displacement reference, the basic function with parameters to control the deformation area and the magnitude are used to surface deformation

    其次，擴展了曲線幾何約束。舍棄了原有的利用三角剖分帶和局部參數化的方法，轉而利用基本函數定義的偏移曲線來生成表面的凸凹變形。
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