连续方程

Method of Moment is a method which can discretize continuity equation into algebraic equations, and it is one of the most popular methods in analyzing the electromagnetic radiation and scattering problems.

矩量法是一种将连续方程离散化为代数方程组的方法，是分析电磁散射与辐射题目最流行的算法之一。

Easter′s scheme, which is the modified version of Bott′s forward in time and positive definite numerical advection scheme, is described in this paper.

Easter的方案是把水汽的通量方程和连续方程联立求解，在计算中不会出现水汽负值，而且稳定性好。

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。

Aim To study dynamical character of system using continuity equation of laser.

目的用激光连续方程研究激光系统的动力学行为。

The calculation was based on the continuity equation and Reynolds-averaged Navier-Stokes equation.

计算基于连续方程和雷诺时均N-S方程，采用标准的κ-ε湍流模型和SIMPLEC算法。

In the method, the equation of vorticity is simplified and combined with the definitions of vorticity and divergence , and then restrained by the equation of continuity to set the system of retrieval equations. Three-dimensional wind vector, vorticity and divergence can be got by solving the system of equations. Preliminary test has proved that it is feasible.

该方法从动力学角度出发，将柱坐标中的垂直涡度方程适当简化后，联系涡度散度的定义式，再以大气连续方程作约束，得到一个反演方程组，求解方程组就可得到不同高度层上的三维风场以及涡度、散度，初步检验证明其是可行的。

Based on the continuity equation of groundwater and the normal velocity formula of free surface, taking element e as a subdomain R in the seepage flow domain R, according to variation principle, the finite element equation of seepage field can be obtained.

由地下水的连续方程和自由面的法向流速公式，把单元e作为渗流求解区域R上的一个子域ΔR，根据变分原理，得到岩土体渗流场有限元方程。

The developed sand inflow erosion model for cold heavy oil production is based on the mass conservation law and Darcy's law, considering the effect of fluid flowing on sand inflow/production, and the solution in uncompressible condition of single phase is obtained.

考虑流体流动对出砂的影响，以连续方程和达西方程为基础，建立了稠油出砂冷采侵蚀模型，并在一维单相不可压缩条件下进行求解。

Based on equations of continuity and momentum balance in the liquid-solid circulating moving bed reactor,a stress distribution model was established to study stress distribution and flow patterns in the reactor,which took into account weight of liquids,buoyancy of liquids to solids,supporting force of wall in conical bed and friction force of wall.

为研究循环移动床反应器的应力分布和颗粒流动状态，建立了由流体相及固相质量连续方程和动量守恒方程组成的循环移动床反应器模型，考虑了流体质量、流体对固相产生的浮力、锥形床边壁对颗粒的支撑作用以及壁面摩擦力的影响。

The basic thoughts of applying genetic algorithms in pipe network design is: concerning the objectives of pipe diameter, defining the costs of pipe network as objective function, and considering hydraulic situation(continuous equation and cycle equation of the crossover of pipe network), velocity of flow of pipes as restraining elements, this thesis carries out the optimal calculation on the design of pipe network.

运用遗传算法进行管网优化设计的基本思路是：将管网管径作为求解对象，以管网造价为目标函数，以水力条件（管网节点连续方程和环方程）、管段流速作为约束条件进行优化计算。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。