LPF3D(Landslides Post Failure)软件,搭建了光滑粒子流体(SPH)、有限元(FEM)、离散元(DEM)和有限体积(FVM)多算法之间转化和耦合的桥梁,建立了求解滑坡固体-颗粒-流体多相多介质耦合计算的数值模拟新方法,实现了多相物质耦合、多态物质转化和复杂动力作用下的全三维计算,主要分为滑坡后破坏、失稳启动-后破坏、堵江溃坝、拦挡防治、复杂动力学问题求解等模块。实现...
In this study, a new full three-dimensional landslide post-failure numerical platform (LPF3D) was proposed. This method serves as a bridge between continuum-medium algorithms and discrete-medium...
通过调查分析、理论研究和数值技术研发,揭示高位远程滑坡运动过程中基于密集程度的多态转化动力过程,综合 SPH 和 DEM 算法提出基于动力学本构转化的滑坡后破坏(LPF3D)数值模拟方法。
文中采用自主研发的滑坡后破坏数值模拟平台(LPF3D, Landslides post failure 3D), 以2014年9月强降雨诱发的重庆奉节无山坪滑坡为例, 探讨了滑坡在水动力作用下远程成灾的动力过程, 揭示了固液耦合影响机制。
In this study, a new numerical method involving LPF3D based on a multialgorithm and multiconstitutive model was proposed to simulate long-runout landslides with high precision and efficiency.