The shooting method, sub and super solution method, and fixed point theorem were used to study a class of nonlinear diffusion equations with nonlocal boundaryvaluecondition in perforated domains.
利用打靶法、上下解方法和不动点定理等工具，研究有孔区域上一类具非局部边值条件的非线性扩散方程。
2
Based on transmission boundarycondition, gives calculation method for value of dynamic model equation, pipeline discrete form, memory method for coefficient and difference equation.
根据输送边界条件，给出了动态模型方程的数值计算方法、管道离散格式、参数存储方法和差分方程。
3
This dissertation is to discuss the laws of fluids in porous medium for original boundaryvalue problem of some quasi-linear parabolic equations with the third type nonlinear boundarycondition.