diffusion approximation equation

基本解释

For one-dimensional convection-diffusion equation, at first, the differential equations is semi-discrete approximation.
本文研究了求解对流扩散方程的指数型差分格式。
The molecule flow diffusion equation and the boundary conditions are given. The solution with linear approximation of entrance pressure is presented.
给出了分子流扩散方程的边界条件，推导出入口压力在线性近似下方程的解。
In this paper the optimal design problem of the diffusion-fission cross section for a dynamical reactor is considered on the basis of the simple energy static diffusion approximation equation.
本文从单能扩散近似方程出发讨论核反应堆散射裂变截面的最优设计问题，这个问题在数学上实质上也是一个逆问题。