curvilinear coordinates
英 [ˌkɜːvɪˈlɪniə(r) kəʊˈɔːdɪneɪts]
美 [ˌkɜːrvɪˈlɪniər koʊˈɔːrdɪneɪts]
网络 曲线坐标; 曲线坐标系
双语例句
- Modification of 2D shallow water and water quality model in curvilinear coordinates
曲线坐标系下平面二维水流水质模型的修正 - Formulas for Computing Successor Function of Center-Weak Focus System of n Degree by Using Curvilinear Coordinates
编程计算器在坐标正、反算中的应用用曲线坐标计算细临界型一般n次系统后继函数公式 - The Transformation of Two-Dimensional Shallow Water Equations under Orthogonal Curvilinear Coordinates
正交曲线坐标系下二维浅水方程的变换 - By matrices and a derivative formula, a simple method of deriving accelerations in orthogonal curvilinear coordinates based on variable transformation is proposed.
利用矩阵和一个微商公式，把变量替换法求正交曲线坐标系中加速度运算的繁琐程度大为降低。 - The 3-D k-ε turbulence hydrodynamic model in curvilinear coordinates is established to simulate the overbank flow in the curved channel with irregular terrain in this paper.
本文采用非正交三维曲线坐标下的k-ε双方程湍流数学模型，对弯曲不规则地形的渠道和漫滩流动进行数值模拟。 - B-Spline Finite Element Method in Curvilinear Coordinates
曲线坐标系中的B样条有限元法 - The govern equations, the separation and numerical solution of the govern equation in the orthogonal curvilinear coordinates, the boundary condition and the movable boundary technique were given.
给出了正交曲线坐标系下二维动床数学模型的控制方程、控制方程的高散及数值解法、边界条件及动边界技术。 - Based on the N-S equations in full conservative form expressed with nonorthogonal curvilinear coordinates and corresponding nonorthogonal velocity components, the leakage flow in turbo-machinery was investigated by numerical method using an efficient integral H-grid.
本文基于非正交曲线坐标及非正交速度分量下完全守恒型的N-S方程，采用整体H型网格，用数值方法研究叶轮机械中的泄漏流动。 - The method is based on the contravariant velocities and the elliptical Poisson pressure equations in general curvilinear coordinates.
求解的基本方程是任意曲线坐标系中以逆变速度为变量的N-S方程和椭圆型的压力Poisson方程。 - A general weak conservative form of Navier-Stokes equations expressed with respect to non-orthogonal curvilinear coordinates and with primitive variables was obtained by using tensor analysis technique, where the contravariant and covariant velocity components were employed.
基于张量分析，本文在任意曲线坐标系中导出了用原始变量表达的Navier-Stokes（以下简称N-S）方程组弱守恒型通用形式，其中速度采用了逆变或协变分量； - A numerical method is presented in this paper, based on the SIMPLE scheme for solving the Navier Stokes equations in arbitrary curvilinear coordinates. The method improves the pressure modified equation, and adopts non stagger grid.
该文发展了一种在任意曲线坐标系上求解层流Navier－Stokes方程的数值方法，该算法以SIMPLE为基础，采用了非交错网格，因而对原始算法中的压力修正方程进行了改进。 - A numerical procedure is presented for the grid generation of boundary-fitted curvilinear coordinates.
本文给出了一种适于复杂形状边界下进行复杂流动数值模拟的有效的网格生成方法。 - In the paper, numerical studies of two-dimensional plane flow in orthonormal curvilinear coordinates and two-dimensional vertical flow and suspended sediment movement in σ coordinates have been conducted.
本文针对正交曲线坐标系下平面二维水流运动的数学模型、σ坐标系下立面二维水流及悬移质运动的数学模型等进行了数值模拟研究。 - A derivation of velocities and accelerations in orthogonal curvilinear coordinates
求正交曲线坐标系中速度和加速度的解析方法 - 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。 - He scattering of plane SH-waves by canyon topography with variable depth-to-width ratio is studied by means of curvilinear coordinates method in this paper.
本文利用曲线坐标的分析方法研究SH波对凹陷地形散射的边值问题。 - This paper starts from the equations of motion in generalized curvilinear coordinates and the model of Head's two-dimensional entrainment theory, and derives a set of equations along surface curve on normal profile of a yawed wing for a compressible three-dimensional turbulent boundary layer.
本文从广义曲线坐标运动方程出发，以及根据Head的二维牵引理论（entrainmenttheory）模型导出沿侧滑翼法向翼剖面表面曲线的三维可压缩湍流边界层运动方程组。 - In practice, it is quite suitable to choosing the POM model, which uses orthogonal curvilinear coordinates in the horizontal and σ coordinate in the vertical as the hydrodynamic part of the modeling system.
在实际应用中，选用水平上采用正交曲线性网格和垂向上采用σ坐标的POM模式作为水动力模式比较合适。 - Study of Hamilton system in curvilinear coordinates
曲线坐标系下哈密顿体系的建立 - These equations are derived with non& orthogonal curvilinear coordinates and by no-dimensional form. The general difference expression of energy equation, k and ε equations and entropy equation are adopted.
计算了扭曲叶片S2流面的湍流流场.在非正交曲线坐标可压湍流方程组中包含了以无量纲形式表示的能量方程，熵方程和K－ε湍流模型方程。 - 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。 - In arbitrary curvilinear coordinates, the wall function is used for treating near wall regions.
采用在任意曲线坐标系统下的壁面函数来处理加力燃烧室的筒体和隔热屏壁面附近区域流动。 - The time-dependent numerical solution of transonic flow on s_1 surface of revolution employing non-orthogonal curvilinear coordinates and non-orthogonal velocity components
使用非正交曲线坐标与非正交速度分量的S1回转面跨声速流时间相关数值解 - A new method for solving torsional problem of circular shaft with variable diameter using non-orthogonal curvilinear coordinates
变截面圆轴扭转问题用非正交曲线坐标的新解法 - Precise expression of element stiffness matrices and equivalent nodal load vector are derived in curvilinear coordinates based on variational principle.
利用变分原理在曲线坐标系下推导了单元刚度矩阵的显式及其等效结点荷载列阵。 - By establishing an orthogonal curvilinear coordinates system ( exponent coordinates system) this article describes the angular position vector of the particle position and the angular displacement vector of particle motion, and builds up the equation of angular displacement vectors of a pyramid.
通过建立一种正交曲线坐标系，即指数坐标系，定义了描述质点位置的角位置矢量和描述质点运动的角位移矢量，并得出了棱面角之间存在的数学关系。 - He generalized governing equations are deduced in curvilinear coordinates based on collocated grids with cancellation of pressure effect by momentum interpolation.
推导了曲线坐标系下基于同位网格的通用控制方程，利用动量插值消除压力波的影响。 - The governing equations of compressible flows in both Cartesian and axisymmetric coordinates are rearranged into a unified form. The governing equations in curvilinear coordinates are discretized using a finite volume method.
本文给出了二维直角坐标系和轴对称坐标系下统一形式的可压缩流动的控制方程，在体贴网格中利用有限体积法进行离散。 - Experiments show that, based on fingerprint image center with curvilinear coordinates, the method of the fingerprint image matching distortion of obvious effect, can overcome the impact of fingerprint distortion, and achieved good effect.
实验表明，利用基于指纹图像中心校正和曲线坐标结合的方法，对扭曲的指纹图像匹配效果明显，能较好的克服指纹扭曲带来的影响，取得较好的效果。