曲線正交坐標 的英文怎麼說

中文拼音 [xiànzhēngjiāozuòbiāo]
曲線正交坐標 英文
curvilinear orthogonal coordinate
  • : 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...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : Ⅰ動詞1 (把事物轉移給有關方面) hand over; give up; deliver 2 (到某一時辰或季節) reach (a cert...
  • : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. They form a three-parametric, orthogonal net and may be chosen as coordinate lines of a special, curvilinear coordinate system.

    它們形成三參數網,可以把它們選作特殊系的
  2. Numerical simulation of two - phase turbulent combusti on flow in an afterburner under generalized nonorthogonal curvilinear coordinate systems

    系數值模擬加力燃燒室湍流兩相流燃燒
  3. 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管道流動和換熱特性的研究成果的基礎上,以旋轉系統下的多參數旋轉螺旋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,首次對各種截面(圓截面、橢圓截面、環形截面、矩形截面)旋轉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)以及旋轉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、壁面摩擦力、摩擦系數比以及管道nusselt數的影響,獲得了若干創新性成果。
  4. Abstract : variations of flow pattern, flow velocity in deep poo l and side bar, mainstream thread, and water surface, caused by excavation project, are investigated by two - dimensional mathematical model in an orthogonal curvili near coordinate system. the change of bed - load transport rate, and redeposition r ate are predicted. the influences of the excavation project on navigation are ana lyzed. grid - type and flat - type excavation alternatives are proposed and discuss ed

    文摘:採用系下的河道平面二維數學模型,研究了嘉陵江何家磧邊灘采砂后河道流勢、流態、灘槽流速、主流位置、水面高程及比降的變化規律,預測了采砂方案完成後卵石推移質輸沙率變化及其對航道的影響,並對格形開挖和平整開挖方案進行了比較分析
  5. Based on poission equation conversion, generated methods of curvilinear grids are presented. 4. 2 - d flow and sediment transport model with non - staggered curvilinear grids is presented

    ( 3 )以poission方程變換為基礎,建立擬合系下非網格生成方法。
  6. Finally, in orthogonal curvilinear coordinate systems numerical model is established and applied in the yangtze river estuary in which some regulation plans are taken include submerged jets and groins. verifications are also done to verify water level and velocity. flow fields are computed for the analysis of effect of regulation engineering on the whole water area

    最後,應用網格技術,建立了系下廣義淺水方程的計算模式,將之應用於長江口深水航道整治工程的流場計算,進行實測水位、流速驗證和流場模擬。
  7. The expression of the improved boussinesq equations in curvilinear orthogonal coordinate system is derived. on the basis of poission equation conversion, the methods to generate curvilinear orthogonal grids are introduced, and then the two - dimensional numerical wave model under curvilinear orthogonal coordinate system is established

    推導了系下的改進型boussinesq方程,以poission方程變換為基礎,建立擬合系下網格的生成方法,進而建立系下的二維波浪模型,提高了模型對復雜地形的適用性。
  8. Secondly, the problem of the curve - surface mutual transforming and smooth - finishing have been analyzed farther. for the surface intersecting problem : owing to the introduction of the boundary points, as long as the intersecting points on a certain line, the full intersecting line can be gained. the intersecting line either intersects at the boundary of the triangle surface or forms the loop ; during the course of tracking, the selecting of the pace is restricted by the curvature, the number of the gained intersecting points are not in proportion as the chord - length ; the intersecting points not only record the coordinate and store the parameter

    對兩面求問題,當面細化足夠小時,面求可近似看成面與平面相問題,引進了邊界點的概念,因此只要知道上的任意點,就可以將跨越許多面片的整條計算出來,所求出的或者跨越面的邊界,或者形成環;從初始點出發跟蹤求解整條的過程中,步長的選擇採用了通過面片率來約束的方法,用該方法求出的點在不同面片上的分佈數目不與弦長成比;該求方法包含了各面片的邊界點的求解,可獲得邊界點的值及其參數值。
  9. Orthogonal curvilinear coordinates

  10. Curvilinear orthogonal coordinates

  11. Orthogonal curvilinear coordinate

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