A new equation of density evolution is derived from the electron continuity equation and the ion momentum balance equation.

The global continuity equation and normal momentum equation are solved in a coupled way.

计算时采用连续方程和法向动量方程耦合求解的方法以解决细长体远后身区计算中的问题。

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Based on the continuity equation, momentum equation and K-s turbulent pattern of hydrodynamics, we obtain the interior flow field distribution regular of the model by use of the computational hydrodynamics software FLUENT. After analyzing the calculational result, we improve some parameters of the new model.

基于流体力学的连续方程、动量方程及K-ε湍流模式，利用计算流体力学软件FLUENT，得到了计算模型内部的流场分布规律，并通过对计算结果的分析，改进了这种新模型的某些结构参数。

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By coupling the continuity equation, momentum equation and mass transport equation, we can compute O2 and H2O concentration distribution and the gas velocity distribution at the cathode with pin flow field, multi meander flow field and single meander flow field.

通过耦合求解质量守恒方程、动量守恒方程和组份守恒方程，计算出点状、多蛇形和单蛇形三种不同流场阴极O2和H2O浓度的分布以及气体速度分布。

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By the continuity equation and the momentum equation for an ideal incompressible fluid, this essay derives the fundamental equations of surface water wave and works out an analytical solution under the condition of small-amplitude via the linear approximation theory.

利用理想不可压缩流体的连续性方程和动量方程，推导了表面波基本方程，并应用线性近似理论求出了小振幅波情况下的解析解。

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From the continuity equation satisfied by the stress rate and the stress concentration we gain the necessary condition of rupture expansion, and discuss the state of medium in seismic focus region before an earthquake and dynamic expression of stress drop.

由应力变化率和应力集中所满足的连续方程.得到破裂扩展的必要条件，并据此讨论了震前震源区介质的状态和应力降的动力学表示。

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Two-layer flow of magnetic and non-magnetic fluids was simulated in two-dimensional Cartesian coordinate. The continuity equation, two momentum equations, the kinematic equation, and the magnetic potential equation were solved numerically.

采用二维笛卡儿坐标系，数值求解了磁性液体和非磁性液体体系的连续性方程、双动量方程、运动方程以及磁势方程，模拟了磁性液体-硅油的两层流动。

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We discuss the continuity equation should be satisfied by C2 continuous quartic spline curve. We also propose a new method to construct C2 continuous quartic spline surfaces.

讨论了C2连续的四次样条曲线需满足的连续性方程，提出了构造C2连续的四次样条插值曲面的新方法。

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Then a one-dimensional unsteady incompressible flow with moving pollutant source model was proposed. The continuity equation, momentum equation and convection-diffusion equation were discredited using finite volume scheme.

接着，根据双线铁路隧道运营通风的特点，建立了一维不可压缩非恒定流和流动污染源的物理模型以及山相应的连续性方程、动量方程和对流扩散方程构成的数学模型；

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Based on the continuity equation and the energy equation in hydromechanics, a computing formula about outflow angle of jet flow on the slit-type bucket is proved.

从窄缝挑坎收缩段水流的连续方程和能量方程入手，推导出了水流出射角的计算公式。

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The continuity equation is corresponding to the hyperbolic equation, and we usually use upwind scheme in the numerical algorithm for the purpose of avoiding unrealistic physical oscillation.

描述饱和度变化的连续方程，在数学上对应非线性双曲型方程，为了避免中心差分算法带来的物理上不真实的振荡，在通常的数值模拟中我们都采用了迎风格式。

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Reynolds equations applied to sealed fluid hydrodynamic lubrication are derived from the continuity equation and momentum equation, and significant effect of every item to dynamic pressure was analyzed.

由连续性方程和动量方程出发，推导了适用于机械密封流体动压润滑的雷诺方程，并分析了各项对动压效应产生的意义。

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Forces can be visualized as momentum currents, for Newton ′ s Second Law is equivalent to the continuity equation for momentum in integral form.

牛顿第二定律实质上是动量连续性方程的积分形式，因而，力可以被理解为动量流。

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Based on the continuity equation of ground water and the variation principle, the seepage differential equation can be acquired.

根据地下水的连续方程和变分原理建立渗流场微分方程。

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The continuity equation from the particle coarsening theory was adapted to grain growth.

在此基础上，借鉴最新的关于粒子粗化理论中的晶粒长大连续方程，对三维晶粒长大过程准稳态阶段的晶粒尺寸分布进行了求解。

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Methods From Newton's equation and the continuity equation, an equivalent analogue circuit model can be derived for each small segment of the coronary arteries.

方法根据牛顿定律和连续性方程，用电路分析模型来表示冠状动脉的每一小部分。

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Lagrangian Form of the Continuity Equation of a Fluid Flow

流体流动连续性方程的拉格朗日形式

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Based on the Stokes formula and Lambert-Beer Law, a series of recurrence formulae were advanced to calculate particle size distribution from the data obtained by disc centrifuge photosedimentation, with the effect of extinction efficiency of particles and the radial dilution during sedimentation considered.

针对光透过离心沉降法的数据处理，综合应用Stokes公式和Lambert-Beer定律，考虑了颗粒消光系数的影响和离心沉降中的径向稀释效应，提出计算颗粒粒度分布的递推算法。

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According to the Stokes settlement law and the DLVO theory, the paper analyzed the cause difficult to settling and the existing problems of the settling technology for the slime slurry.

根据Stokes沉降定律和DLVO理论，分析了细泥煤泥水难以浓缩澄清的原因以及现有技术存在的问题。

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Based on Stokes's law, the mathematical expressions of singularity integrity of kernel function is obtained and the infinite boundary element is used to analyze infinite boundary conditions.

文章首先获得了核函数奇异积分的数学表达式，然后分析了无限单元的特性及其应用方法，最后通过分析比较得出边界元法与雪弗隆程序结果相近。

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As the moving particle in the turbulence boundary layer, the resistance on microbubble from water may be fallen inside the scope of the Stokes Law.

作为湍流边界层中运动的粒子，微气泡受到水的阻力可能会在Stokes阻力范围内。

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