旋轉曲面 的英文怎麼說

中文拼音 [xuánzhuǎnmiàn]
旋轉曲面 英文
lathe surface
  • : 旋Ⅰ動詞1 (旋轉) whirl 2 (用車床切削或用刀子轉著圈地削) turn sth on a lathe; lathe; pare Ⅱ名詞...
  • : 轉構詞成分。
  • : 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...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • 旋轉 : revolve; gyrate; rotate; spin ; revolution; revolvement; rotation; circumgyration; circulation
  1. Compare the spherical aberration of refracted image of the rotational hyperboloid and the spherical surface

    和球折射成像的球差比較
  2. Concave reflecting surfaces of spherical cap, paraboloid and hyperboloid of revolution are investigated with regard to the dependence of the levitation force on the section radius rb and curvature radius r ( or depth d ) of the reflector

    針對球拋物三種形狀的凹反射端,系統研究了懸浮力與反射端截半徑r _ b和率半徑r (或深度d )之間的本徵關系。
  3. Some typical schemes are implemented via this data structure ( loop subdivision, catmull - clark subdivision, do - sabin subdivision, hybrid subdivision, adaptive subdivision ). the technique of opengl is utilized to accomplish some basic operations, such as rotation, zoom, pan, pick and so on. finally the algorithms studied by our research group are integrated, and a prototype system based on subdivision surface is developed

    ( 4 )改進了適合於細分的的翼邊數據結構,並實現了典型的細分演算法( loop細分、 catmullclark細分、 doo - sabin細分、混合細分、自適應細分) ;採用opengl技術實現了、縮放、平移、拾取等圖形的基本幾何操作;最後將本課題組研究成果加以集成,開發了一個基於細分的原型系統。
  4. In this thesis, the technology of visual fictitous design was used to design the level exchanged direction and double direction plough. first, the traction force formula of cylindrical plough face based on the prior study was deduced, and the forces of the solid model of circumrotatory pin was calculated, and visual dummy design technology was applied to analyse the force of circumrotatory pin and the parameter of pin

    其次在前人研究的基礎上推導出圓柱型犁體的牽引阻力公式;根據該公式計算出銷三維實體模型所受的力,根據該力運用可視化虛擬設計技術對模型進行受力分析,對銷的參數進行合理設計;根據牽引阻力公式計算出安全螺栓所受的力,根據該力運用虛擬設計技術對安全機構進行設計。
  5. The following results are obtained : ( 1 ) the flow in rotating helical pipes are affected by dean number, curvature, torsion ( or germano number ), the ratio of the coriolis force to the centrifugal force f number ( or rossby number ) and the geometry of the cross section

    研究結果表明: ( 1 )管道流動特性受dean數、率、撓率(或germano數) 、科氏力與離心力之比f數(或rossby數)以及截的形狀五種因素的影響。
  6. The lifting - line and lifting - surface design method, the harmonic analysis method based on the panel method, new section design ways, the effective operating curves are integrated into a whole design system of the unsteady propeller, the design system is effective and reliable by the design example, the model test and the application to the full scale ship

    本文把升力線和升力設計方法、基於元法預報螺槳非定常性能的諧調分析方法,新剖設計方法、有效運線計算方法組合為一套完整的非均勻流場中螺槳設計計算系統,經實例設計和模型試驗及實船的應用,該設計系統是可靠且有效的。
  7. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關線管道流動和換熱特性的研究成果的基礎上,以正交線坐標系統下的多參數管道中的對流傳熱為物理模型,通過攝動方法和有限體積法,首次對各種截(圓截、橢圓截、環形截、矩形截線管道內充分發展流動的流動結構和傳熱特性(包括耦合對流傳熱特性)以及線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析,詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁摩擦力、摩擦系數比以及管道nusselt數的影響,獲得了若干創新性成果。
  8. Analytic solution of roll shape curve of bar straightening roll by conjugate surface theory

    共軛旋轉曲面法求解線棒材矯直輥型
  9. This paper presents a design method of propeller blade section operating in non - uniform flow field and an idea of equivalent operating curve with unchanged cavitations characteristic on blade section, the method for selecting the curve is set up

    摘要給出了非均勻流場中螺槳槳葉剖的設計方法,提出了保持剖空泡特徵不變的等效運線的思想,並創建了等效運線的確定方法。
  10. In this dissertation, for the need of engineering, berchand surface is put forward and studied which is refined and enhanced from the common characteristics of gyration surfaces, developed surfaces and normal circular - arc helical surfaces. according to which, many kinds of important surfaces can be structured

    論文從工程需要出發,提出並研究了白川德,這是對回、可展、法向圓弧螺共性特徵的提煉與升華,據此可以構造和發展出各種有重要應用價值的
  11. In newtonian mechanics, we say the moon is attracted by the earth, so it orbits around the earth. in the theory of general relativity, we will say the earth affects the spacetime around it, thus the moon is no longer moving in a straight line, instead it goes around the earth. just like a marble will not move in a straight line on an uneven table

    牛頓力學認為月球繞地球,是因為月球受到地球引力的吸引但廣義相對論的說法則是地球的質量扭了附近的時空,月球在不平坦的時空以最自然的方式運行,結果走出了一條繞著地球線,情況就如彈珠在不平坦的地走,會左搖右擺一樣。
  12. Particle swarm optimization based on rotate surface transformation

    基於旋轉曲面變換的粒子群優化方法
  13. Rotation surfaces with constant mean curvature in 3 - dimensional minkowski space e

    31中的常平均旋轉曲面
  14. Integration formula for calculating the area of the curved surface of revolution

    計算旋轉曲面積的定積分公式
  15. If the graph of a continuous function is revolved about a line, the resulting surface is called a surface of revolution

    一個連續函數的圖形繞一條直線所得到的旋轉曲面
  16. Gpus graphics processing units are used to compute virtual vertices quickly and further accelerate the computing and rendering processes. as a result, realistic effects of reflections and refractions on implicit surfaces are rendered in real time

    本文主要結合隱式的特點,總結了方程定義隱式反射折射虛頂點的計算方法,並特別針對旋轉曲面,提出了簡單實用的虛頂點計算方法。
  17. In this paper, we take the reconstruction of surface of revolution as our main aim, and by using the delaunay triangulation, the definition of curvature and the theory of b - spline, we present a way of reconstructing surface of revolution from point cloud. the main content of this paper is given in the following. computer aided geometric design and reverse engineering are the basis of this article

    本文以重建演算法為主要研究對象,應用三角部分、率的定義以及b樣條理論提出了一種由點雲數據構造的方法,主要工作如下:計算機輔助幾何設計以及反向工程是本文的理論基礎,因此論文的第一章對其進行了簡短的回顧和綜述,並給出了重建演算法目前的研究狀況。
  18. With the phenomena of dropping flow, backflow and secondary flow effected by circulation and surface curvature, the centrifugal pump ' s inner flow is very complicated 3d flow. therefore, the centrifugal pump inner flow is one of the difficult problems both in testing research and numeric computation

    離心泵葉輪的內部流動是很復雜的三維紊流流動,同時由於受和葉片表率的影響還拌有脫流、迴流及二次流的現象,是流體工程中較難的試驗研究和數值計算問題之一。
  19. Through the studies of the invariants of the single axis motions, computational theories have been developed in this thesis to provide practical solutions for the problem of structure and motion from fitting the corresponding points in the whole sequence to its conic locus or conies for short. it is then shown that all single axis geometry can be directly computed either from one conic and one fundamental matrix or from at least two conies. the rotation angles then can be calculated directly from using the laguerre formula

    本文通過詳細分析單軸運動中的不變量,利用物體點在單軸運動中軌跡為圓,而在圖象平的投影為二次線的這一特徵,以二次線為分析的基元,研究了求解單軸運動結構問題的新理論和一系列新演算法,並在此基礎上完成了物體的三維重建等工作。
  20. On the other hand, this flow is a typical non - linear model and there exists complicated secondary flow on the cross - section, also, a bifurcation will appear on some conditions. this study is signality in theory and has a broad application future

    另一方線管道系統是流體力學非線性的典型模型,在截上存在形態復雜的二次流動,在某些條件下出現分叉解,深入研究管道流動,具有重要的理論意義。
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