This dissertation is to discuss the laws of fluids in porous medium for original boundaryvalueproblem of some quasi-linear parabolic equations with the third type nonlinear boundary condition.
本文讨论描述流体在稀疏介质中流动规律的一类拟线性抛物型方程具有第三类非线性边界条件的初边值问题。
2
In this paper, the author discusses the existence of solutions to initial boundaryvalueproblem of nonlinear parabolic equations and obtains the existence theorem.
讨论了一类非线性抛物型方程的初边值问题解的存在性,并得出了解的存在性定理。
3
This paper deals with the initial boundaryvalueproblem of a nonlinear degenerate parabolic equation with time delay.