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流线迭代法     
相关语句
  streamline iteration
     A TIME MARCHING FINITE AREA STREAMLINE ITERATION METHOD AND ITS APPLICATION TO TRANSONIC FLOW AROUND PLANE CASCADE
     时间推进有限面积流线迭代法及其在平面叶栅跨音速绕流中的应用
短句来源
     Calculation of Flow Field of Flood Tunnel Bucket with Streamline Iteration Method
     用流线迭代法计算龙抬头泄洪洞反弧流场
短句来源
     The Implicit Method of Streamline Iteration for Computing Two-Dimensional Viscous Incompressible Flow
     计算二维粘性不可压缩流动的隐式流线迭代法
短句来源
     The present method can be regarded as a combination of the time marching finite area method and the streamline iteration method.
     本方法可视为时间推进有限面积法和流线迭代法的一种结合。
短句来源
     The Method of Streamline Iteration for Computing the Viscous Flow Problems Containing both Internal and External Flow Field
     用流线迭代法计算同时含有内流及外流场的粘性流动问题
短句来源
更多       
  streamline iteration method
     A TIME MARCHING FINITE AREA STREAMLINE ITERATION METHOD AND ITS APPLICATION TO TRANSONIC FLOW AROUND PLANE CASCADE
     时间推进有限面积流线迭代法及其在平面叶栅跨音速绕流中的应用
短句来源
     Calculation of Flow Field of Flood Tunnel Bucket with Streamline Iteration Method
     用流线迭代法计算龙抬头泄洪洞反弧流场
短句来源
     The present method can be regarded as a combination of the time marching finite area method and the streamline iteration method.
     本方法可视为时间推进有限面积法和流线迭代法的一种结合。
短句来源
     A Streamline Iteration Method for Computing the Three-Dimensional Turbulent Flow around the Stern and in the Wake of a Ship-Like Body
     用流线迭代法计算类船体尾部及尾流中的三维湍流流动
短句来源
     The present method can be regarded as a combination of the time marching finite volume method and the streamline iteration method. It is used for the calculation of the transonic flow passing cascade of arbitrary airfoils on general surface of revolution.
     本文中的方法是把时间推进有限体积法和流线迭代法结合起来,用以解决任意旋成面叶栅跨声速绕流的计算问题。
短句来源
更多       
  method of streamline iteration
     The Implicit Method of Streamline Iteration for Computing Two-Dimensional Viscous Incompressible Flow
     计算二维粘性不可压缩流动的隐式流线迭代法
短句来源
     The Method of Streamline Iteration for Computing the Viscous Flow Problems Containing both Internal and External Flow Field
     用流线迭代法计算同时含有内流及外流场的粘性流动问题
短句来源
     In this paper, the author uses the method of streamline iteration to solve the problem of viscous flow having undidentified boundaries.
     本文将流线迭代法应用于求解带有自由表面的粘性不定边界流动问题。
短句来源
     This paper presents the implicit method of streamline iteration on the bases of method of streamline iteration for computing two-dimensional viscous incompressible steady flow in the channel with arbitrary shape.
     本文在计算任意形状流道中二维粘性不可压缩定常流动的流线迭代法的基础上,进一步提出一种隐式流线迭代法
短句来源
     It is shown from the computational results of the examples that the implicit method of streamline iteration can speed up the convergence and decrease the computational time.
     算例计算表明了本文所提出的这种隐式流线迭代法能提高收敛速度和减少计算时间。
短句来源
  the method of streamline iteration
     In this paper, the author uses the method of streamline iteration to solve the problem of viscous flow having undidentified boundaries.
     本文将流线迭代法应用于求解带有自由表面的粘性不定边界流动问题。
短句来源

 

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This paper presents a numerical technique for computing the steady viscous laminar flow in the channel with arbitrary shape, by use of the method of streamline-iteration. The numerical solution of the steady viscous compressible (or incompressible) flow in the channel is obtained by iterative computation between the pressure gradient equation, the energy equation and the entropy equation in the mesh system of arbitrary curved lines. The present paper has derived the fundamentel equations for the two-dimensional...

This paper presents a numerical technique for computing the steady viscous laminar flow in the channel with arbitrary shape, by use of the method of streamline-iteration. The numerical solution of the steady viscous compressible (or incompressible) flow in the channel is obtained by iterative computation between the pressure gradient equation, the energy equation and the entropy equation in the mesh system of arbitrary curved lines. The present paper has derived the fundamentel equations for the two-dimensional (also axisymmetrical) channels and has described the computational steps of this method in details. Using the present method, we have obtained the results for some channels, which are in good agreement with the other known numerical solutions.

本文提出一种利用流线迭代法来计算任意形状流道中定常粘性层流流动的数值方法。通过任意非正交曲线网格中的压力梯度方程、能量方程和熵方程之间的迭代计算,可以得到整个流道中定常粘性可压缩(或不可压缩)流动的数值解。本文导出了二维(包括轴对称)流道中的基本方程,并详细地叙述了本方法的计算步骤。利用本方法对一些流道进行了数值计算,计算结果与其他巳知的数值解符合得很好。

In this paper, a coordinate transformation method which can be used to transform an external flow problem into an internal one is proposed, and thus the streamline iteration method for analysing the viscous flow problems of the internal flow field may be generalized to the case of the external flow field. By using this method, numerical calculations are worked out for the viscous flow field problems containing both intenral and external flow field, and an example is also given.

本文提出一个通过坐标变换把外部流场问题转化为内部流场问题来处理的方法。从而可将计算内部流场粘性流动的流线迭代法推广应用到外部流场中。用这种方法,本文对同时含有内流场和外流场的粘性流动问题进行数值计算。最后给出了计算实例。

This paper presents a numerical technique for calculating the steady turbulent flow of a incompressible fluid around the stern of body of revolution and its wake by using a streamline iteration method. The turbulence model used is a two-equation (K-ε) model devoloped by Harlow and Nakayama. In this numerical calculation, however, there are some features:1) The convection terms of governing equations for total pressure, turbulent kinetic energy and its dissipation rate in turbulent flow are written in the form...

This paper presents a numerical technique for calculating the steady turbulent flow of a incompressible fluid around the stern of body of revolution and its wake by using a streamline iteration method. The turbulence model used is a two-equation (K-ε) model devoloped by Harlow and Nakayama. In this numerical calculation, however, there are some features:1) The convection terms of governing equations for total pressure, turbulent kinetic energy and its dissipation rate in turbulent flow are written in the form of the variations of tlvese variables along streamlines, and for static pressure the radial pressure gradient equation is used. In this form, these equations can be more eonvienicntly be dealt with in numerical calculation. 2) By means of a system of coordinate transformations, the external flow field extending to infinity in both radial and axial directions is transformed into an internal flow field within a finite region. Therefore, free-stream condition and parabolic flow condition may be used on the outer boundary and downstream boundary repectively. The boundary layer flow and potential flow outside can be resolved by an uniform system. 3) Assumptions for a thin boundary layer and partially parabolic flow, etc. are not needed.A numerical example is gaven to show the fair agreement between the theoretical predition by the present method and experimental results.

本文提出一种利用流线迭代法计算回转体尾部和尾流的定常、不可压缩湍流流动的数值方法。采用Harlow-Nakayama提出的两方程(K-ε)湍流模型。在数值计算上.1)把湍流流动中的总压,湍动能和它的耗散率方程中的对流项写成这些量沿流线变化的形式,静压采用径向压力梯度方程。2)用坐标变换,把径向和轴向都延伸至无穷远的流动区域变换到有限区域内,在外边界可使用自由来流条件,边界层流动和层外的势流流动可用统一的方程组求解。3)没有部分抛物型和薄边界层等种种近似假定。计算实例表明,理论预测和试验结果吻合。

 
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