navier method 中文意思是什麼

navier method 解釋
納維法
  • navier : 納維耶
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. A linearized differential quadrature method for navier - stokes equations in the stream - function and vorticity form

    方程的線性化微分求積法
  2. The research aims at the demonstration and the mend of the design on the new purifier and presents a calculation method for solving the two - phase flow in fluid machine by the finite element method. after analyzing the two - phase flow in the new purifier by means of the continuum model, poisson equation, navier - stokes equation and continuous equation are derived and solved by using the finite element method. the solution on pressure, velocity and particle concentration simulates the departure well between oil and water, which proves the accuracy of the design on the new purifier

    本文採用兩相流連續介質模型,由兩相分離流動理論得到控制方程,採用chorin的直接速度-壓力mac法的思路,對新型油水分離裝置內油水兩相流動作了細致的分析,同時首次把科氏慣性力引入兩相流模型中,進行分析和計算,將研究擴展到三維,並用有限元法分別解poisson方程、 n - s方程、連續方程的方法,對流場內壓力場、速度場、濃度場進行了分析和計算,較好地模擬了新型油水分離裝置內油水分離的現象,證明了設計方案的正確性。
  3. ( l ) the three - dimensional equations for tidal flow are derived from the navier - stokes equations based on some assumptions. the model is based on the vincenzo casulli method, and semi - implicit finite difference scheme has been used

    ( 1 )從navier - stokes方程上經過假設和簡化得到的三維潮流控制方程,以vincenzocasulli法,採用半顯半隱差分格式,建立了一個三維潮流數值模型。
  4. In this thesis, adopting compressible navier - stokes equations and compressible k - - e turbulence double model, studied 2d viscous flow field in wet turbine ' s separate - stage. coordinate transformation is made for the navier - stokes equations by using body fitted coordinate system, moreover, the flow field in 2d cascade is calculated by using the well - established simple method

    本文採用可壓縮氣體的n - s方程,並採用可壓縮的-湍流雙方程模型,研究了飽和汽輪機分離級內二維粘性葉柵流場,採用貼體坐標系對n - s方程進行了坐標變化,並利用成熟的simple演算法對二維葉柵內的流場進行了計算。
  5. In the previous direct simulation monte carlo ( dsmc ) method used in the dilute gas - solid flow, particle collision probability was calculated by the equation used for rarefied gas molecules. and gas phase was simulated by the laminar navier - stokes equations

    已有的應用直接模擬蒙特卡羅( dsmc )方法模擬流化床內稀疏氣固兩相流動的研究中,均採用稀薄氣體分子碰撞概率的計算方法計算氣固兩相流中顆粒的碰撞概率,採用層流navier - stokes方程模擬氣相流動。
  6. A multi - block incompressible viscous flow solver has been developed that can be applied to simulation of a variety of ship maneuvering related flows and calculation of hydrodynamic forces. validation and verification of the solution procedure are carried out on several model problems with good agreement to experimental and numerical results. the present block - structured viscous flow solver is based on solving the reynolds - averaged navier - stokes ( rans ) equations with a second - order cell - centered finite volume method ( fvm ) on non - staggered grids

    本文即在這種背景下,瞄準船舶操縱水動力預報方面的國際前沿和熱點課題,通過對現代船舶粘性流計算方法的研究,自主開發了一個船舶操縱粘性流求解器,並將所開發的求解器成功地應用於一系列和船舶操縱問題相關的粘性流動與水動力計算,得到了令人滿意的結果。
  7. In the turbulent flow, the fluid ’ s physical parameters has the stochastic change along with the time and the space, it is very difficult to carries on its rate process ’ s precise computation and the simulation with mathematics method, but unstable condition navier - stokes equation regarding open canal current of water transient motion suitable

    閘后水流經過加糙的海漫段時,其水流狀態屬明渠紊流。流體中的各種物理參數,都隨時間與空間發生隨機的變化,很難用數學的方法對其運動過程進行精確計算和模擬。
  8. Based on the navier - stockes equation, the finite difference method was applied to variance the simplified n - s equation on cylindrical coordinate system. then, 3 - d model of the spiral flow locally generated in circular pipe with steady and axial - symmetry condition was founded. the ordinary iterative method of gauss - seidel was induced

    太原理工大學碩士學位論文本文以局部起旋條件下的圓管螺旋流為模擬對象,從以速度和壓強為自變量的微分方程一navier一5tokes方程出發,利用有限差分法對柱坐標系下簡化后的n一s方程進行離散,建立定常的、軸對稱的三維計算模型。
  9. Firstly, discrete methods of time and space in the dns are introduced in the present paper. and the procedure of solving the navier - stokes equation is also presented. in addition, ways of correcting time - splitting error and removing aliasing error in pesudospectral transform method are introduced too

    本文首先介紹了直接數值模擬中時間和空間離散的方法,並詳細介紹方程的求解的步驟以及偽譜法中混淆誤差產生的原因及其消除方法,並對時間分裂法造成的散度誤差的修正方法進行了簡要的介紹。
  10. In order to predict hydrodynamic characteristics a computational system is developed including determination of the pressure distribution on a wing section by use of the conformal mapping method and panel method respectively and of the flow in boundary layer according to the thin shear layer approximation ( tsl ) for navier - stokes equation approach. the wing sections of naca4412 and naca0012 are applied to test the computational system. the numerical inspection shows that the panel method with better precision and the momentum and the displacement thickness of boundary layer can be used to complete this calculation

    本文分別用守屋的保角變換法和基於源匯渦分佈的面元法,建立了計算槳葉表面壓力分佈的數學模型;應用納維-斯托克方程的薄層近似理論模式和有限差分數值方法,建立了計算機翼表面邊界層內部流動的數學模型;應用槳葉表面邊界層內部粘性流動和外部勢流流動在邊界上的匹配演算法,建立了槳葉表面二相流流動的計算方法和相應的計算機程序。
  11. The paper uses a high order method to solve incompressible viscous complex flows based on a domain decomposition and matched method, the primitive variable and pressure poisson equation formulation are employed for the numerical solutions of the incompressible navier - stokes equations, in tensor forms, on non - staggered grids

    本文採用了一種基於分塊耦合求解粘性不可壓縮復雜流場的高精度計算方法。計算模塊採用原始變量和壓力poisson方程方法,差分方程為張量形式的粘性不可壓縮navier - stokes方程組在非交錯網格上離散。
  12. A new fluid - structure coupling numerical method is developed in the present dissertation. 2d / 3d navier - stokes equations and low renolds number turbulence model are solved in the fluid zone, while the structure models are solved in the solid zone. the boundary conditions are transferred between the two zones after each time step

    該方法採用了準確的數學物理模型,在流體區域求解二維、三維favre平均的非定常navier - stokes方程,在固體區域對于不同的問題求解體振動模型,每一個計算時間步完成後,流體和固體之間傳遞一次邊界條件。
  13. The effective optimization design programs for different cases are developed by integrating the following several aspects which involves the flow analysis, adjoint equation solution, gradient solution, optimal arithmetic and grid generation. some practical design tests for airfoil and wing show that the continuous adjoint approach is very effective and useful method for aerodynamic optimization design. at the same time, we have done the research of aerodynamic optimum design for airfoils by using navier - stokes equations

    ( 4 )研究了基於控制理論和三維navier一stokes方程的優化設計理論,在計算坐標下詳細推導了該優化設計理論,得到了計算坐標系下描述的共扼方程數學描述形式,並以給定目標壓力分佈的氣動反設計為例,導出了相應的共扼方程邊界條件,以及關鍵的梯度求解具體表達形式,為了求解方便,把計算空間上描述共扼方程表達形式變換到物理空間中進行描述,通過與ns方程表達形式對比分析,最終給出了一種直觀的共轆方程表達方式。
  14. The coupling method of fe and be for the navier - stokes equations

    方程的有限元邊界元耦合方法
  15. Then in the second part, we describe our work on water animation in details, namely the physical model of shallow - water, the numerical solution of the 2d navier - stokes equations using the finite volume method, and the disturbance model which are used to control the behaviors of water waves

    本論文的前兩章介紹水流模擬課題方面的挑戰及人們所採用的方法。第三章以後具體地介紹如何利用有限體積法求解淺水波方程得到水波的運動形態,以及如何利用干擾模型擾動方程的數值解來產生各種形狀的水波。
  16. In this thesis, different types of stability equations, including orr - sommerfeld equation ( ose ) and parabolized stability equation ( pse ) based on the “ slow change ” hypothesis and the local method equation which is computed in local range, are derived from navier - stokes equation with “ small disturbance ” hypothesis

    本文從navier - stokes方程出發,導出不同形式的流動穩定性方程,包括採用小擾動理論得到的orr - sommerfeld方程( ose ) 、基於流向慢變特性而得到的拋物化穩定性方程( pse )以及在一小范圍內計算的局部法方程。
  17. Navier - strokes equation was solved using simple method. lam - bremhorst k - e was used to simulate turbulent flow. it was indicated in this thesis that a longitudinal vortex would be produced after the jet exhausted from a plate into a boundary layer at a pitch angle and a skew angle

    研究結果表明,有一定傾斜角度的單個射流與主流作用后,將在下游產生一個流向渦旋,渦旋使得邊界層內的速度和雷諾應力發生嚴重扭曲,從而形成上洗區域和下洗區域。
  18. To solve the navier - stokes equation, we discrete the water domain into triangular meshes and use a powerful numerical tool named finite volume method

    我們借用計算流體動力學中的數值分析工具,對淺水波方程進行數值求解。採用有限體積法求解方程,解穩定並且效率高。
  19. Multi - grid - blocks, finite volume method, maccormack difference method was used to solve the unsteady two - dimensional navier - stokes equation, finite difference method was used to solve the two - dimensional heat transfer problem

    數值計算方面,以多塊網格為特徵的s2df程序採用有限體積法, maccormack離散格式求解二維、非定常n - s方程,利用有限差分方法求解二維熱傳導方程。
  20. New method to solve incompressible navier - stokes equation

    方程的一種新方法
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