对经典对流方程的数值解建立了时间序列插值的数值格式。
A refined numerical method, based upon time-line interpolation, for the simulation of advection has been tentatively explored.
一个是关于压力的流动方程,另一个是关于含盐浓度的对流方程。
One is fluid equation for the pressure, the other convection-dispersion equation for the saltwater concentration.
最后,研究探讨了二维对流方程的数值求解问题,提出了一种高阶数值格式。
Finally, numerical scheme about how to simulate 2-d convection equation has been researched and discussed.
应用电子计算机计算了太阳宇宙线在均匀并无限的行星际介质中传播的各向异性扩散对流方程的量纲分析解。
Computer calculations have been made on the dimensional solution to the anisotropic diffusion convection equation for solar cosmic rays propagating in an uniform and unbounded interplanetary medium.
应用交替分段显隐方法求解变系数对流扩散方程,此方法具有很好的并行性且无条件稳定。
Using alternating segment explicit implicit method for the variable coefficient convection diffusion equation. The method has the obvious property of parallelism and is unconditionally stable.
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.
讨论了对流扩散方程的第二逆风差分格式的一些性质,并说明了在自然对流计算中的某些问题。
Discusses some properties of the second upwind difference scheme for the convection-diffusion equation and explains certain questions in the computation of natural convection problems.
在此基础上利用微分方程相平面理论分析表面油流谱的局部特性和对流谱局部地进行分类。
The local behavior of the surface oil flow patterns is analyzed with phase plane theory of ordinary differential equations. Also the surface oil flow patterns are locally classified.
根据地球液核基本运动方程,采用有限元方法对液核流体的对流状态进行了数值模拟。
According to the basic motion equations of the earth's fluid core, the convection of the fluid core has been simulated by use of Finite Element Method (FEM).
探论一类含对流项的热传导方程的只含有空间变量的热源识别反问题。
A class of inverse problems of identification of heat source dependent only on spatial variables was discussed in heat equation with convective term.
该模型的控制方程中不仅包含传统的对流和传导项,还有热弥散项,后者在许多著作中常被忽略掉。
The governing equation of the model contains not only the convection and conduction terms that were usually considered, but also the heat dispersion term that was generally neglected in many papers.
基于土壤中溶质运移的对流弥散方程(CDE)提出了溶质运移参数估计的图解方法。
A graphing method is proposed in this paper for estimating parameters of solute transport in soils based on the convection-dispersion equation (CDE).
采用有限容积法在交错网格上对流动控制方程离散,然后采用SIMPLE算法求解。
The finite volume method is used to discrete the flow controling equations on staggered grid and the SIMPLE algorithm is adopted to solve the equations.
此模型由一个单一的具有源项的对流扩散方程组成。
The model consists of a single advection? Diffusion equation with a source term.
建立了含有外力的分数阶非线性对流-扩散方程。
Fractional nonlinear convection-diffusion equation with external forces is given.
对流项用迎风—中心差分格式模拟,压力方程用SOR法迭代求解。
The convection term is discretized with upwind-central difference scheme, while the pressure equation is solved by SOR.
本文建立了控制垂直裂隙中热驱动对流的动力学方程。
Dynamic equations controlling the thermally -driven fluid convection in a single rock crack are established in the paper.
将此N S方程看作一个特殊的扩散方程,将压力项与对流项看作是源项,得到一个积分方程。
The integral N-S equation is regarded as a special diffusion equation and the pressure term, convective term are regarded as source terms.
通过对时间和空间差分格式的选取、源项及边界条件的处理,在非结构化网格上对流场控制方程进行了离散。
By properly choosing temporal and spatial difference format, correctly dealing with source term and boundary conditions, control equations are discretized over unstructured meshes.
该算法的优点是特别适用于求解变系数的对流占优扩散方程,能更有效地消除数值振荡现象。
The advantage of this scheme is very adaptable to obtain the solution of the equations with variable coefficient and can eliminate the numerical oscillations more efficiently.
确定了本文数值模拟所采用的网格的生成技术,对流扩散项的离散格式,压力修正与速度修正方法,以及非线性代数方程组的求解方法。
The grid generation technique, difference scheme of convective and diffusive terms, pressure and velocity correction methods and arithmetic of nonlinear equations are determined.
在考虑非傅立叶效应和非斐克效应的基础上,对所建立的高强度快速传热传质的耦合方程进行了对流边界条件的数值模拟。
On the bases of Non-Fourier and Non-Fick effects, coupled equations of high intense and rapid heat and mass transfer are founded and made numerical simulation.
建立了室内表面对流辐射耦合换热方程,着重讨论了采用表面换热分析法求解表面传热系数以求解壁温的方法。
Applies the method of surface heat transfer analysis to calculating the convective heat transfer coefficient in order to solute the wall temperature.
本文根据对流干燥过程能量衡算方程序,对干燥过程的节能措施进行了理论分析。
In this paper, the steps of energy saving on convective drying process are analyzed based on the energy calculation equation.
对于非线性对流占优扩散方程,不仅可以消除因对流占优项引起的数值振荡现象,还可以加快收敛速度、提高计算效率。
For the nonlinear convection-dominated diffusion equation, this method can not only stabilize the numerical oscillation but also accelerate the convergence and improve the computational efficiency.
给出了解非线性对流扩散方程的线性修正的特征差分格式及交替方向格式。
Linear modified characteristic finite difference and alternating direction schemes are devised for nonlinear convection diffusion problems.
模型的控制方程不仅如通常那样包含对流项和传导项,还包含许多文献中常被忽略的热机械弥散项。
The governing equation of our model contains not only the convection and conduction terms, as usual, but also the heat dispersion term, which is neglected la many papers.
本文针对二维自然对流换热的控制方程的数值求解,利用交替方向隐式格式,改善数值方法的收敛性。
The alternative direction illegible method is used in solving two-dimensional convection-diffusion equation for natural convection in cavity, and the convergence is improved.
本文针对二维自然对流换热的控制方程的数值求解,利用交替方向隐式格式,改善数值方法的收敛性。
The alternative direction illegible method is used in solving two-dimensional convection-diffusion equation for natural convection in cavity, and the convergence is improved.
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