我们探讨了正常呼吸状态下人体气道内氧及二氧化碳对流扩散问题。
The convective diffusive problems of oxygen and carbon dioxide in human airway at normal respiratory status were studied theoretically in the present paper.
文中利用泡函数构造数值，求解抛物型强对流扩散问题的稳定化方法，并给出收敛性分析。
A new stabilized finite element method by also presented use of residual-free bubbles for the parabolic convection-dominated diffusion problems, and proved the convergence.
文中利用泡函数构造数值，求解抛物型强对流扩散问题的稳定化方法，并给出收敛性分析。
A new stabilized finite element diffusion problems, method by also presented use of residual-free bubbles for the parabolic convection-dominated and proved the convergence.
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.
讨论具有一般形式的对流项、扩散项、边界流项以及反应项的一维牛顿渗流方程初边值问题非负解的整体存在性。
The present paper studied the global existence of nonnegative solutions of one-dimensional Newtonian filtration equation with more general boundary fluxes term, reaction, diffusion and convection.
可用单内点子域精细积分，求解对流-扩散方程初值问题。
Initial value as a problem of convection diffusion equation can be solved by applying fine integral of single inner point subdomains.
考虑一类非守恒形式的对流扩散边值问题。
In this paper, we consider a nonconservative convection-diffusion boundary value problem.
本文探讨了对流云中点源的扩散问题。
The purpose of this paper is to study the diffusion of point source in the convective clouds.
对流一扩散方程中扩散系数反演问题，可以归结为一个特殊的非线性算子方程求解问题。
The problem of determining the diffusive coefficients can be formulated as one of solving a special nonlinear operator equation.
将有限体积和有限元方法相结合，解决对流扩散方程问题，并给出了稳定性分析。
In this paper, finite bulk-finite element means is presented for solving convection-diffusion problem, moreover give out the stability analysis.
文中还评述了现有双扩散对流与结晶过程耦合的计算结果及有待进一步研究的问题。
The existing numerical results of crystal growth process coupling with double diffusive convection are also reviewed in this paper.
其数学模型是一组多层对流扩散耦合系统的动边值问题。
The mathematical model can be described as a coupled system of nonlinear partial differential equations with moving boundary values.
该方法避免了拉格朗日格式因网格畸变产生的数值困难，也克服了欧拉格式材料界面跟踪问题以及因非线性对流扩散项而引起的数值困难。
The MPM eliminates difficulty with mesh distortion as in the Lagrangian method, and with interface tracking and nonlinear convection term as in Eulerian scheme.
该方法避免了拉格朗日格式因网格畸变产生的数值困难，也克服了欧拉格式材料界面跟踪问题以及因非线性对流扩散项而引起的数值困难。
The MPM eliminates difficulty with mesh distortion as in the Lagrangian method, and with interface tracking and nonlinear convection term as in Eulerian scheme.
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