Using the cosine transform matrix the Cartesian tensors, differential operators and related equations can be readily transformed into corresponding expressions in orthogonal curvilinear coordinates.
利用这个变换矩阵可以方便地将笛卡尔坐标的张量表达式、微分算子及有关公式变换成正交曲线坐标的相应公式。
This paper is concerned with a turbulence mathematical model under orthogonal curvilinear coordinates including the effects of streamline curvature on turbulent flow.
考虑弯曲边界曲率效应对水流水力特性的影响，建立了正交曲线坐标系下的紊流数学模型。
They form a three-parametric, orthogonal net and may be chosen as coordinate lines of a special, curvilinear coordinate system.
它们形成三参数正交网，可以把它们选作特殊曲线坐标系的坐标线。
The difference equations for ADI method with the orthogonal curvilinear coordinate are developed, which are applicable to a complex boundary.
导出了本文正交曲线坐标系下的ADI法差分公式。本文方法边界适应能力强，计算时间短，内存少。
In this paper the curved shell elements in orthogonal curvilinear coordinate systems are established.
本文建立了正交曲线坐标中的曲壳单元。
In this paper the cosine transform matrix relating Cartesian coordinates with orthogonal curvilinear coordinates is introduced.
本文介绍笛卡尔坐标与正交曲线坐标的“余弦变换矩阵”，证明这个变换矩阵是正交矩阵。
The present study deals with the numerical calculation of the turbulent flow around airfoils in the orthogonal curvilinear coordinate system with the aid of the so-called viscous-layer model.
本文应用粘性层模型，采用贴体的正交曲线网格，对湍流流动进行了计算。
In this paper the cosine transform matrix relating Cartesian coordinates with orthogonal curvilinear coordinates is introduced. It is shown that this transform matrix is an orthogonal matrix.
本文介绍笛卡尔坐标与正交曲线坐标的“余弦变换矩阵”，证明这个变换矩阵是正交矩阵。
The 2_d average water depth mathematical model in orthogonal curvilinear coordinate system is used for the numerical simulation of the flow field in the diversion channel of large pumping station.
应用正交曲线坐标系下的二维水深平均数学模型对大型泵站的引水河道流场进行了数值模拟。
A finite difference method in non orthogonal curvilinear coordinate is used for the simulation of two dimensional electrostatic field. The computational formula is derived.
讨论了计算二维静电场的非正交有限差分算法，给出了数值计算公式。
The body fitted orthogonal curvilinear grid was applied in the 2d model, when has the advantages of flexible location and fitting to the irregular boundaries.
二维模型计算网格采用正交曲线网格，具有网格布置灵活和贴合边界等优点。
Two-phase turbulent reacting flow model of the internal operating processes in Liquid Rocket Engine (LRE) is set up in non-orthogonal curvilinear coordinates.
建立了任意斜交曲线坐标系下液体火箭发动机(LRE)内部工作过程的气液两相湍流化学反应流模型。
A new idea is suggested to extend the viscous vector equations in non-orthogonal curvilinear coordinates.
本文讨论在非正交曲线坐标系中，粘性流矢量方程一种新的展开思路。
In the numerical simulation, the flow control equation in orthogonal curvilinear coordinate system is discretized by the finite volume method;
数值计算时，采用有限体积法离散水流的控制方程；
The purpose of this paper is to extend its application to solution of incompressible Navier-Stokes equations in non-orthogonal curvilinear coordinate system by the finite difference method.
这种逆风因子法是作者在用有限元素法解不可压N-S方程中提出来的。
The difference equations for ADI method with the orthogonal curvilinear coordinate are developed, which are applicable to a complex bo…
本方法已用于计算长江重庆某河段模型流场，其结果令人满意。
The difference equations for ADI method with the orthogonal curvilinear coordinate are developed, which are applicable to a complex bo…
本方法已用于计算长江重庆某河段模型流场，其结果令人满意。
应用推荐