【摘要】 泥石流是常见的危害性较大的地质灾害,发生时相关影像往往缺失。为了分析再现流体现象,提出进行可视化再现灾害过程,具有较强的现实意义。对泥石流的形态与动力学规律进行分析,使用改进的基于SPH的粒子系统方法设计出泥石流可视化仿真的方案,可将泥石流中的流体与刚体都简化为SPH方法中的微团粒子,通过对微团粒子间在光滑半径内的相互作用来得到流体与刚体的位置,最终得到了较好的泥石流可视化仿真结果,从而证明了SPH改进算法对可视化仿真泥石流是有效的。更多还原

【Abstract】 Debris flow is a common geological disaster which would be quite hazardous.It is difficult to obtain the related images of debris flow during the process of occurring,hence the visual simulation of the process has strong practical significance.With careful analysis of the shapes and dynamics rules of debris flow,this paper designed a visual simulation method for it,using the improved SPH.The core idea of this paper is to simplify all fluid and rigid components of debris flow as the micelles of SPH,then through calculating the interaction of micelles in the smoothing radius,the position of the fluid and rigid component is determined.At last better result of the simulation of debris flow was obtained,and it proves to be effective using this proved method of SPH to simulate debris flow.更多还原