Abstract
Multi-flexible-body dynamics (MFBD) and the discrete element method (DEM) are well suited for co-simulation. This paper proposes an efficient, robust, and stable strategy for co-simulating between MFBD solvers and DEM solvers based on the conventional serial staggered (CSS) procedure for co-simulation. A standardized version of this strategy is also proposed that enables the DEM solver to be embedded into the MFBD software. If embedded in this manner, the MFBD software could be extended to create a single MFBD/DEM model, execute a co-simulation, and post process the results in one environment. The proposed strategy is coded into the commercial software RecurDyn. A simple DEM solver is formulated in this paper, embedded into RecurDyn, and numerical examples to demonstrate the feasibility of this proposal are presented.
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This research is supported by the 2018–2019 KyungHee University Research Support Program.
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Graham Sanborn received his Ph.D. in Mechanical Engineering from the University of Illinois at Chicago in 2009. He is a Senior Research Engineer at FunctionBay, Inc.
Juhwan Choi received his M.S. and Ph.D. degrees in School of Mechanical and Aerospace Engineering from Seoul National University, Korea in 2000 and 2009, respectively. He is currently a Head of R&D center and Chief Technical Officer at FunctionBay, Inc.
** Hwan Choi received his M.S. and Ph.D. degrees in Mechanical Engineering from University of Illinois at Chicago in 1992 and 1996, respectively. He is currently a Professor of KyungHee University of Mechanical Engineering.
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Sanborn, G., Choi, J. & Choi, J.H. Strategy for co-simulation of multi-flexible-body dynamics and the discrete element method. J Mech Sci Technol 35, 4363–4380 (2021). https://doi.org/10.1007/s12206-021-0908-2
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DOI: https://doi.org/10.1007/s12206-021-0908-2