navier stokes equations 中文意思是什麼

navier stokes equations 解釋
納維
  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. Then, the navier - stokes equations for 2 - d axisymmetric compressible turbulent flow were constructed and phoenics was used to simulate the 2 - d axisymmetric compressible turbulent flowfield of rocket jet

    其次,建立了二維軸對稱可壓縮湍流流動的平均navier - stokes方程,並利用phoenics軟體對二維軸對稱火箭噴流進行了數值模擬。
  3. A talk on flow visualization and navier - stokes equations

    漫話流動顯示及納斯方程
  4. A mesh adaptation technique via a posterior error estimate for incompressible navier - stokes equations

    方程基於誤差估算的網格自適應解法
  5. Global classical solutions forone dimensional navier - stokes equations

    方程組整體經典解
  6. ( 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。
  7. The research of this dissertation is focused on how to solve the 3 - dimensional compressible navier - stokes equations by the implicit finite difference algorithm and to simulate numerically the unsteady subsonic and transonic viscous flows around rigid and elastic wings. on the base of them the aeroelastic characterictics of an elastic wing have been studied

    本文的主要工作是用隱式有限差分法求解三維非定常紊流n - s方程組,數值模擬剛性機翼及彈性機翼的亞、跨、超音速定常及非定常粘性繞流,並在此基礎上研究了彈性機翼的氣動彈性問題。
  8. 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。
  9. 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。
  10. Numerical simulation of flutter for wings using the navier - stokes equations

    方程的三維機翼顫振特性研究
  11. For the case of transporting suspended fine sand, a single - fluid model is used to calculate the flow resistance by solving the navier - stokes equations. the computed agrees well with the measured. and for the case of transporting medium - sized sand, a two - layer model is used and the model produces a good agreement with the experiment data

    對管道輸送細沙懸移質的流場,採用單流體模型進行數值求解n - s方程,計算結果與實驗資料相吻合;對具有分層流動的中沙管道水力輸送,採用兩層代數模型進廳了計算分析,阻力損失的預測結果與實驗吻合較好;最後對管道輸送粗沙的阻力特性和運動機理進行了分析探索,提出了進一步研究的方向。
  12. As is known to all, navier - stokes equations are fundamentally important in describing the motion for viscous incompressible fluids. for a long time, these equations have been deeply investigated by a lot of scientific workers, including many famous mathematicians

    作為描述粘性不可壓縮流體運動規律的基本方程, navier - stokes方程長期以來得到包括許多著名數學家在內的眾多科學工作者的廣泛關注。
  13. Numerical simulation on the three - dimensional turbulence flow in the pick - up tube is based on reynolds time - average navier - stokes equations. the k - turbulence - closed model is used in this paper. in the near wall area the standard wall function is used

    對集流管的三維粘性紊流模擬計算是建立在雷諾平均的navier - stokes方程的基礎上,紊流封閉模型採用目前工程上應用比較廣泛的模型,在靠近固壁區採用了標準的壁面函數法。
  14. Then the steady and unsteady subsonic, transonic and supersonic viscous flows around airfoil and some aircraft are numerically simulated. the 3 - dimensional unsteady navier - stokes equations are solved using the implicit lu - nnd algorithm, with baldwin - lomax turbulent model. on the basis of simulating unsteady viscous flow, coupling the structure dynamics equations, the problems of static aeroelasticity and flutter are investigated for wings and elevator

    在模擬非定常粘性繞流的基礎上,與顫振運動方程相耦合,分別對機翼和全機流固耦合現象中顫振問題進行了研究,準確求解跨音速顫振臨界速度,分析機翼和全機的從亞音速到超音速范圍的顫振規律,並研究分析了機翼飛行迎角變化對顫振速度的影響。
  15. 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。
  16. 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。
  17. In modern aircraft design, there is an urgent requirement for accurate, efficient and easy - to - use numerical analysis tools. for this purpose, this thesis introduces recent progress in the generation and application of cartesian grid with tree data structure and adaptive refinement. coupled with hybrid grid techniques, euler and navier - stokes equations are solved

    本文針對現代飛行器設計中對實用、高效、準確的氣動力分析工具的迫切需求,基於叉樹數據結構,發展了一種自適應直角切割網格方法,採用混合網格技術,實現了對流場euler和navier - stokes方程的計算求解,進一步完成了復雜增升裝置繞流和外掛物分離投放非定常流場的數值模擬。
  18. The ipsa model solves the navier - stokes equations of each phase with the interphase interactions between two phases of water and air, including the interphase drag forces, interphase lift forces, interphase pressure and virtual mass forces

    Ipsa模型對每一相求解n - s方程,並考慮水-氣體兩相間的相間相互作用,包括相間阻力、相間升力、相間壓力和虛質量力。
  19. Existence of suitable weak solutions of navier - stokes equations

    方程恰當弱解的存在性
  20. Nonphysical time is introduced and the lower - upper symmetric successive over - relaxation ( lu - ssor ) scheme is modified in navier - stokes equations. an application to natural unsteady viscous flow is presented to check for the capability of the procedure

    在原控制方程中引入偽時間導數項,對上下對稱逐次超鬆弛( lu - ssor )格式進行了修正。
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