Initial value as a problem of convection diffusion equation can be solved by applying fine integral of single inner point subdomains.
可用单内点子域精细积分，求解对流-扩散方程初值问题。
Acid flow and reaction in a wormhole was studied by modeling the wormhole as a cylinder and numerically solving the mass balance equation that describes acid transport by convection and diffusion.
将酸蚀蚓孔简化为单圆管模型，酸液流动反应物质平衡方程反应传质和扩散作用。
By using the undetermined coefficient method, a new scheme is derived from the HAUC2 scheme to simulate the two dimensional convection-diffusion equation.
运用待定系数法，建立了求解二维对流扩散方程的HAUC2格式。
In chapter 4, for 2d nonlinear convection-dominated diffusion equation, a two-grid scheme of characteristic finite-element solution is constructed.
第四章里，对二维非线性对流扩散方程，构造了特征有限元的两重网格算法，并给出了相应的收敛性分析，数值例子。
In chapter 4, for 2d nonlinear convection-dominated diffusion equation, a two-grid scheme of characteristic finite-element solution is constructed.
第四章里，对二维非线性对流扩散方程，构造了特征有限元的两重网格算法，并给出了相应的收敛性分析，数值例子。
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