Peric书中附带的所有源码，包括同位网交错网格在2d，3d的层流算法，还有附带的并行算法，拉普拉斯算法等，具体参考readme文件-Peric book with all the source code, including the coordinates with a staggered grid in the 2d, 3d of the laminar flow algorithm, as well as with the parallel algorithm, Laplace algor