The lander is regarded as a multibody system composed of a cabin, legs and footpads, and its motion characteristics are solved by multibody dynamics (MBD). A DEM-FEM-MBD coupling algorithm is developed to simulate the landing process of the lander considering landing mode and buffer mechanism, ...
多物理场模型:Rocky与Ansys技术完全集成,实现与计算流体动力学(CFD)、有限元法(FEM)和格子玻尔兹曼方法(LBM)软件包进行高级耦合,以准确仿真多相多组分流动。 复杂的颗粒形状:自定义3D和2D颗粒可实现颗粒的逼真表达,包括高纵横比纤维;其可成为刚性体或柔性体。 复杂的运动:可以轻松指定复杂的运动。此外,还可以在Rocky...
ThreeParticle/CAE the All-in-one multiphysics simulation software as a combined solution of DEM, MBD, FEM, SPH and many more.
The lander is regarded as a multibody system composed of a cabin, legs and footpads, and its motion characteristics are solved by multibody dynamics (MBD). A DEM-FEM-MBD coupling algorithm is developed to simulate the landing process of the lander considering landing mode and buffer mechanism, ...
Multiphysics Models: Rocky is fully integrated with Ansys and allows state-of-the-art coupling with Computational Fluid Dynamics (CFD), Finite Element Method (FEM) and Lattice Boltzmann (LBM) packages to accurately simulate multiphase multicomponent flows.Complex...
Computational Particle Mechanics Kaidi Zhang, Yunqing Zhang, Jinglai Wu& Junwei Shi 376Accesses Explore all metrics Abstract This paper proposes a comprehensive approach to studying the interaction between wire mesh wheels and rough lunar terrain to enhance the maneuverability and traction of lunar rover...
Coordinated time-step methodcoupled DEM–FEM–MBD algorithmcommunication coefficientThe coordination of time steps directly affects the accuracy and efficiency of the calculation results in the simulation of the interaction between particles and structures. In this paper, a coordinated time-stepping method ...
Considering the complexity of DEM-FEM-MBD coupling algorithm, the modeling process is divided into three parts: set up the discrete element model of lunar soil, building the finite element model of lander, and determining the connection mode of multibody structure of lander. The three parts will...
다중물리 모델: Rocky는 Ansys와 완전히 통합되며 전산 유체 역학(CFD), 유한 요소법(FEM) 및 LBM(Lattice Boltzmann) 패키지와의 최첨단 커플링을 통해 다상 다성분 흐름을 정확하게 시뮬레이션...
這種方法在捕捉複雜的自由表面流動方面表現出色,且不存在擴散錯誤,特別適用於存在濺潑或表面碎裂的情況。SPH-DEM 方法使用 Lagrangian 無網格法,透過將流動動力學離散為一組流體元素來捕捉流動動力學。然後使用核心函數內插粒子,以計算局部變數的平滑場。 離散元素分析法的應用:Ansys Rocky...