比较完善的面向对象的有限元程序代码，适用于编写大型程序的学习(typical C++ code for OOFEM)

freefem++是基于C++开发的一种汇编语言，专门用于有限元方法求解偏微分方程，但是比C++编程容易许多(Freefem++ is an assembly language developed on the basis of C++. It is specially used to solve partial differential equations by finite element method, but it is muc