diffusion approximation equation

基本解释

For one-dimensional convection-diffusion equation, at first, the differential equations is semi-discrete approximation.
本文研究了求解對流擴散方程的指數型差分格式。
The molecule flow diffusion equation and the boundary conditions are given. The solution with linear approximation of entrance pressure is presented.
給出了分子流擴散方程的邊界條件，推導出入口壓力在線性近似下方程的解。
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.
本文從單能擴散近似方程出發討論核反應堆散射裂變截麪的最優設計問題，這個問題在數學上實質上也是一個逆問題。