the continuity equation

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。

The density continuity equation, current continuity equation and the electron energy conservation equation are established for all 12 reactive particles to study the impact of excitation frequency on current density and particles density distribution.

对反应气体中的12种主要粒子建立连续性方程、动量方程，并结合电流连续性方程以及电子的能量守恒方程，研究激发频率对电流密度和各粒子密度分布的影响。

The model couples continuity equation, momentum equation and species conservation equations. Net water transport flux in the membrane is considered as a boundary condition.

模型耦合了连续方程、动量方程和组分守恒方程，并将质子膜中的净水迁移通量作为边界条件之一来处理。

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。

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。

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。

Comparison of Allograft Aortic Valve Orifice Area as Estimated by the Gorlin Formula and the Continuity Equation

连续性方程和Gorlin公式估测人正常主动脉瓣开口面积的比较

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；

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。

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。

The displacement continuity equation on one-way support is deduced and a classic algorithm for linear complementary is used for solution of the equation in this paper, and thus avoids many repeated estimate procedures.

采用了单边支承的位移协调方程，并用关于线性互补问题的经典方法求解，从而可避免反复试算，减少了大量的工作量。

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。

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。

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。

By solving the simultaneous equations of the continuity equation of sediment discharge and the bed load formula, a two-order partial differential equation for the change of bed-level in the process of headward erosion is obtained.

联解沙量连续方程和推移质输沙公式，得溯源冲刷的河床高程随时间和距离变化的二阶偏微分方程。

Meanwhile, the ways to enforce the continuity equation on the boundary and to implement the suitable boundary condition for pressure correction equation on a non-staggered grid are proposed.

并提出了在非交错网格系统中保证在边界上满足连续性方程以及补充压力校正方程的边界条件的方法。

Because of that, the boundary conditions of continuity equation are different from those of conventional cells.

它的存在使得p区的连续方程边界条件不同于普通电池。

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

本文考虑了托卡马克等离子体边缘的物理性质，由电子连续性方程和离子动量平衡方程导出了电子密度演变方程。

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。

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。

Based upon Tschebyscheff functions methods are given for integrating the hydrostatic equation and the continuity equation and for computing vertical advection and vertical diffusion.

还对某些气象要素在垂直方向微商呈现间断的问题进行了分析，指出了其中存在的问题和应采取的措施。

The flow process includes continuity equation, momentum equation, turbulence equation and energy equation and applies standard k-ε model to solve; the reaction process applies finite-rate/ eddy-dissipation model to solve; the radiation process applies discrete ordinates model to solve.

其中气相流动以流体力学中的连续性方程，动量方程，湍流模型方程和能量方程为基础，使用标准κ-ε模型，化学反应使用有限反应速率/涡耗散模型，辐射传热使用离散坐标模型。

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。

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。

Starting with the flow equation, the continuity equation and the force equilibrium equation of the hydraulic system, the authors deal with the mechanism modeling for the double triangle boom and its hydraulic system.

作者从液压系统的流量方程、连续性方程和力平衡方程入手，对双三角钻臂及其液压驱动系统机理建模。

The former includes continuity equation, momentum equation, turbulence equation and energy equation, and it was solved by SIMPLE scheme.

前者用SIMPLE算法求解，其中方程包括连续性方程，动量方程，湍流模型方程和能量守恒方程；

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

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。

Based on the flow continuity equation and the force balance equation, mathematical models of the jump-start regulator components and its system are established by using the linearization method.

以流量连续方程和力平衡方程为基础，采用线性化方法，建立了航空发动机起动调节器各部件和系统的数学模型。

Applying the formula, traffic continuity equation in integral calculus form is obtained.

应用全导数的积分公式建立了积分形式的交通流连续性方程.