easyDDA的视频教程，便于学者应用、理解，并作出工程实例-easyDDA video tutorials, easy scholar application, understand, and make engineering examples

采用非连续变形分析（DDA法）建立边坡模型，计算安全系数及模拟破环过程。(The slope model was established by discontinuous deformation analysis (DDA method), and the safety factor and simulated fracture process were calculated.)