用于实现bond—based peridynamics 理论的二维模型.(A two dimensional model for bond based peridynamics theory)

近场动力学计算“中间带孔洞板”裂纹扩展的Fortran程序，已验证可以正常计算。(The FORTRAN program for near field dynamics calculation of crack propagation of "plate with intermediate hole" has been proved to be valid.)