Based on the general principle of DDA,discontinuous deformation analysis,and the engineering geologic characteristics of Xintan landslide,the numerical simulation is carried out by DDA on the movementprocess of Xintan landslide.

• 简要介绍了非连续变形分析的基本原理,分析了新滩滑坡的工程地质特征和发展变化特征,并用非连续变形分析的方法对该滑坡运动的全过程进行了数值模拟,明确了其时空变化规律。