共轭梯度算法解三维变周期边界条件泊松方程，MPI并行计算和串行计算各一份实例-Conjugate gradient algorithm solving the three-dimensional Poisson equation with periodic boundary conditions, by MPI parallel computing and serial computation

用C++模拟LBM的couette流源代码，使用周期边界和曲线边界条件。-LBM simulation using C++ source code of couette stream, using periodic boundary conditions and boundary curves.