The governing equations of the pipes are derived.
首先推导出该类管的控制方程。
Governing equations were discrete with two order upstream scheme.
计算过程中采用二阶迎风格式离散控制方程。
The governing equations were discretized by control volume integration method.
采用控制容积法对控制方程进行离散化；
The nonlinear governing equations of the system are derived from the Lagrange equation.
由拉格朗日方程导出系统的非线性控制方程。
Several efficient methods for solving the static governing equations of fuzzy FEM were presented.
提出了区间变量的若干运算规则，和模糊有限元静力控制方程的求解方法。
Build a system dynamics model of the project including causal loop diagrams and governing equations.
建立该项目的系统动态模型，包括因果环路图和控制方程。
Asa special case, the governing equations for infinitesimal thermoviscoelastic fracture mechanics are given.
作为一个特殊情况，还给出了无穷小热粘弹性断裂力学的基本方程组。
The governing equations of the raft are obtained based on the thin plate theory and the virtual work principle.
筏板的控制方程由薄板理论和虚位移原理得到。
The method of variable separation is applied and two ordinary differential governing equations are established and solved.
应用分离变量法，建立并求解了两个常微分支配方程。
Methods The basic governing equations of quasicrystal elasticity theory and Gauss's theorem were applied in the derivation.
目的推广经典晶体弹性理论中的几个基本定理到准晶弹性理论中去。
When such factors are involved, the nonlinear governing equations become more complicated, which is quite difficult to solve.
而且由于考虑诸多的因素，其非线性控制方程十分复杂，此时，必须寻求新的求解方法。
The governing equations are established for the viscous, incompressible, non-Newtonian fluid under non-isothermal conditions.
建立了非等温、粘性、不可压缩、非牛顿流体流动的控制方程。
A combination of integral and completely implicit finite volume numerical method was adopted to solve the governing equations.
采用膜内积分与全隐式有限容积相结合的数值方法求解理论模型。
The static governing equations of interval finite element method (FEM) are always transformed into interval equations to solve.
区间有限元的静力控制方程常被归结为区间方程组来求解。
The governing equations represented by the general convection diffusion forms are discretized using the finite control volume method.
控制方程采用通用的对流扩散方程并利用有限控制容积法离散。
The reason why active vibration control of the rotors must be discussed based on the governing equations with unbalance is described.
阐述了研究转子振动主动控制必须基于它的同步进动方程的理由；
In the analysis of very complex systems, the governing equations for the system components form a large set of simultaneous equations.
在非常复杂的系统的分析中，系统组件的控制方程是由一个大的联立方程形成的。
The mass-weight averaging N-S equations are adopted as the governing equations of flow, and a two-equation turbulent model is employed.
用法福尔质量加权平均N-S方程及两方程湍流模型求解三维超声速平板湍流边界层流动；
Describe the governing equations and details of VOF tracking technique using a piecewise-linear interface calculation (PLIC) in each cell.
建立基本控制方程组，详细介绍了VOF中的PLIC界面捕捉方法的基本原理，并对模型进行了验证。
Gas governing equations are two dimensional axisymmetric N-S equations in Eulerian coordinates, which were solved by implicit LU-SGS method.
气相控制方程为欧拉坐标系中的二维轴对称n - S方程，求解方法为隐式LU -SGS方法。
Based on the CFD theories and routine numerical methods, the incompressible N-S equations are considered to be the governing equations in the paper.
基于CFD基本理论知识和常用数值计算方法，本文选取不可压n - S方程作为控制方程。
The course begins with the basics of compressible fluid dynamics, including governing equations, thermodynamic context and characteristic parameters.
本课程从可压缩流体动力学的基础开始讲起，内容包括控制方程、热力学背景知识和特性参数。
The governing equations for flow-sediment transport are solved with the finite volume method and the SIMPLEC algorithm with the momentum interpolation.
模型采用有限体积法对方程进行离散，采用与动量插值技术相结合的SIMPLEC算法进行模型求解。
By introducing dual variables, the dual governing equations and boundary conditions, which are composed by mixed variables under whole state space, are obtained.
引入对偶变量，进一步建立使问题化为在以混合变量组成的全状态辛空间中的控制正则方程和初边条件。
The governing equations are discretized on uniform grids using the FiniteDifference method, and a double grid method is used for the mesh slice to save the time.
采用基于均匀网格的有限差分离散控制方程，为了节省时间，在网格剖分时还采用了双重网格法。
According to governing equations used in the simulation of RTM process, advantages and disadvantages of several different numerical methods are briefly introduced.
针对rtm工艺过程模拟中采用的控制方程，简要阐述了几种常用数值方法的特点。
Because the governing equations for compressible unsteady potential flow is hyperbolic, looking time dimension as space dimension in the same way is never appropriate.
但由于可压缩非定常位势流动的控制方程是双曲型的，简单地把时间当作同空间一样的物理维来求解是不可行的。
Utilizing Hamilton's principle and the constitution relations in an integral form, the governing equations of motion for an axially moving viscoelastic beam is derived.
利用哈密尔顿原理在积分型本构模型描述基础上建立粘弹性移动梁的控制方程。
With similarity considerations on governing equations, the heat transfer of mixed convection can be predicted to be controlled by Archimedes number and geometric factors.
通过控制方程的相似律分析，可预言混合对流传热由阿基米德数和几何因子控制。
With similarity considerations on governing equations, the heat transfer of mixed convection can be predicted to be controlled by Archimedes number and geometric factors.
通过控制方程的相似律分析，可预言混合对流传热由阿基米德数和几何因子控制。
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