拓撲復形 的英文怎麼說

中文拼音 [tàpūfùxíng]
拓撲復形 英文
topological complex
  • 拓 : 拓動詞（把碑刻、銅器等的形狀和上面的文字、圖形印下來; 拓印） make rubbings from inscriptions pict...
  • 復 : Ⅰ形容詞1 （重復） repeated; double; duplicate 2 （繁復） complex; compound Ⅱ動詞1 （轉過去或轉過...
  1. According to the complexity of pattern, the mined characteristic patterns could be sorted as frequent item, frequent sequence and frequent sub tree, etc. the paper builds tree - model of rna molecules and utilizes frequent sub tree mining algorithm to mine common topological patterns among rna secondary structures

    根據特徵模式復雜性，可分為頻繁項模式、頻繁序列模式以及頻繁子樹模式等。本文對rna分子建立樹形模型，利用頻繁子樹挖掘演算法挖掘rna二級結構中的公共拓撲模式。
  2. To completely avoid producing elements jointed at their corner nodes and checkerboard patterns, which frequently occur when the topology optimization of plane continuum is studied, the theory of topology analysis of plane continuum in topology optimization process and the simple algorithm for programming are studied. according to algebraic topology theory, the boundary of elements and plane continuum are operated as a one - dimensional complex. by use of the adjacency vector in graph theory, the structural topology is described and the topological operation is achieved on a computer. by above, the structural topological feature in the evolutionary process is gained. these methods are effcient and reliable. under topology constraints, according to the results of stress analysis, by deleting elements and moving nodes at the boundary, more satisfactory results can be gained by using a few numbers of elements and iterations. to demonstrate the efficiency of these methods, solutions including some well - known classical problems are presented

    避免目前平面連續體結構拓撲優化過程中經常出現的單元鉸接以及「棋盤格」等現象，研究了連續體結構拓撲優化過程的拓撲分析方法，以及在計算機上實現的簡便演算法.根據代數拓撲理論，單元及連續體的邊界作為1 -復形進行運算.利用圖論中的鄰接向量概念，在計算機上實現了結構的拓撲描述及拓撲運算，得到了結構在拓撲演化過程中的拓撲特性，方法簡單、可靠.在一定的拓撲約束下，根據應力分析結果，採用刪除單元、單元退化、移動節點等方法，可以用較少單元得到更為滿意的結果，提高計算效率.為演示方法的有效性，給出幾個包括常見經典問題的解答
  3. This new method has the capability of calculating complicated 3d grain burning surface. dealing with evolving interface of complicated material and topology change ( splitting. breaking. merging ), based on level set method and burning surface process law. this technique can get accurate area of burning surface each moment and data of geometrical structure that provide access to examination of grain change in the srm working process. 2

    結合固體火箭發動機燃面推移規律，在等值面函數法基礎上開發的裝藥燃面演算法能夠成功計算任意復雜三維裝藥燃面，並且具有處理復雜物質邊界及其拓撲結構發生變化（如分裂、破碎、合併）的能力，能夠準確計算出發動機工作過程中各個時刻裝藥的燃燒面積，同時輸出裝藥幾何構形數據直觀地觀察裝藥的變化情況； 2
  4. On the contrary, if the shape is very complicated, such as shape of biology model. the work is not more easier than when shape is rectangular or square

    相反，如果拉拽完成的拓撲圖是一些復雜的形狀，例如生物模型的拓撲圖，那麼就不如接近方型或者矩形行的拓撲圖容易繪制貼圖。
  5. All algorithms that introduced hi my paper focus on the hollow hull of object, and the calculations are a series of intersection of face and line that have no ply. and by employing the topology information that come with the points since their generation, we can get the surface polygonal mesh without triangulation and reduce the time used in reconstruction of visual hulls and help to realize real - time rendering

    本文提出可見殼的生成演算法都是建立在無厚度的平面直線求交計算上，完全避免了對物體內部的冗餘區域的計算，同時利用物體表面點集與生俱來拓撲信息，恢復物體表面的多邊形網格，在一定精度范圍內可以避免對散亂點集進行三角剖分，減少可見殼的生成時間並有助於實時繪制的實現。
  6. Along with the great progress in 3d data measurement device and the popularization of complex surface modeling, recursive subdivision has been a research focus in the world over the past 20 years in computer aided geometric design and computer graphics

    近二十年來，隨著三維數據采樣設備的長足進步與復雜拓撲結構的曲面造型日益普及，細分曲面已成為計算機輔助幾何設計（ cagd ）和計算機圖形學（ cg ）領域內的一個國際性研究熱點。
  7. If the number of application systems of enterprise and government is too large and the application systems are complex, it causes a complex point - to - point netlike structure

    如果在企業或政府應用系統較多而且復雜的情況下，就會形成復雜的點對點的網狀拓撲結構。
  8. The fundament of flat terrain phase effect and its removal are stated. the interferogram consists, for each pixel, of the complex conjugate product of two sas images directly, which ca n ' t reflect the actual terrain change. the general phase trend in range can be considered as the phase generated by an ideally flat terrain and is often subtracted from the interferogram before further processing

    論述了水平地形效應產生原理及其消除方法，由於水平地形效應的存在使得兩幅sas復圖像直接復共軛相乘得到的相位圖不能直觀地反映出實際地形的拓撲變化，所以在對干涉相位圖進行濾波及相位展開處理前應當消除干涉相位圖像的水平地形效應。
  9. Abstract : in this paper we servey some recent trands of applications of the method of algebraic topology to simple graphs. some fundamental concepts are introduced with theorems. several new problems are proposed

    文摘:我們從組合拓撲方法在圖論的應用中，著重介紹與圖有關的幾種復形的近期研究動態，論述其中一些帶基礎性的問題，並提出一些可供研究的新問題
  10. For a long time, user must complete this step with a series of complex methods by hand, and this problem became the choke point in application and development of overlap grid technology. in the moving - grid problem with fluctuant shape, the pre - disposal process of overlap grid is a main difficulty

    對于重疊網格對復雜外形適應能力問題，本文借用拓撲學中關于幾何外形拓撲關系的新思路，即射線判別法，發展出」重疊網格交點判別法」並編寫相應軟體，實現了與幾何外形無關、無須人工干預的通用、自動化重疊網格預處理。
  11. Grid generation is a pivotal technology of cfd ( computational fluid dynamics ). follow the complication of problem in cfd field, the grid generation technology has developed in two ways : in the first place, it improved grid generation method to adopt the increasingly complicated figuration ; on the other hand, it developed new methods to deal with the problem including fluctuant surface, such as multi - body separation problem etc. among this ways, the overlap grid technology is a vive research aspect

    網格技術是cfd （ computationalfluiddynamics ）領域中的關鍵技術。隨著cfd涉及問題的復雜化，網格技術在兩個方向上逐步發展:一方面針對不斷復雜的外形處理需求改進網格方法，從而能夠模擬復雜飛行器及其各個氣動部件的細節;另一方面發展適應撲翼、多體分離等變幾何外形問題的網格方法，使得cfd的工程應用領域不斷拓寬。這其中，重疊網格方法是一個較有活力的研究方向。
分享友人
分享到 Line

分享到臉書