平面波展开法计算的二维声子晶体带隙，分别是正方与圆形散射体形成正方格子声子晶体，最后输出了能带图的数据，需要自己用画图软件画出来。-Plane wave expansion method to calculate the band gap of two- dimensional phononic crystals, which are square with rounded square lattice formed scattering crystal, the final output of

用平面波展开法计算二维声子晶体带隙结构的matlab程序(The PWE method in the calculation of band stucture of 2D phononic crystal.)

二维声子晶体平面波展开法计算能带结构，xy模态，z模态(Plane Wave Expansion Method for Two-Dimensional Phononic Crystals)