3‐D impulse‐based level‐set method for granular flow modeling
Peng Tan,
Hasitha S. Wijesuriya,
Nicholas Sitar
Abstract:We explore the viability of modeling dynamic problems with a new formulation of an impulse‐based Level‐Set DEM (LS‐DEM). The new formulation is stable, fast, and energy conservative. However, it can be numerically stiff when the assembly has substantial mass differences between particles. We also demonstrate the feasibility of modeling deformable structures in a rigid body framework and propose several enhancements to improve the convergence of collision resolution, including a hybrid time integration scheme t… Show more
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