This dissertation is to discuss the laws of fluids in porous medium for original boundary value problem 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。

youdao

The common program, which can calculate the lattice vibration for various crystals with NaCl structure type, has been made and it is applicable to cyclic or free boundary condition.

编制了氯化钠型结构各种晶体的晶格振动通用程序；它适用于循环或自由边界条件。

youdao

With the analytic solution as exact solution, a model problem with homogeneous boundary condition of derivative type is calculated.

计算实例针对二类齐次边值问题，以解析解作为精确解，研究了不同节点数时整体误差和局部误差的变化。

youdao