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- W2902991331 endingPage "19" @default.
- W2902991331 startingPage "1" @default.
- W2902991331 abstract "We propose a technique to simulate granular materials that exploits the dual strengths of discrete and continuum treatments. Discrete element simulations provide unmatched levels of detail and generality, but prove excessively costly when applied to large scale systems. Continuum approaches are computationally tractable, but limited in applicability due to built-in modeling assumptions; e.g., models suitable for granular flows typically fail to capture clogging, bouncing and ballistic motion. In our hybrid approach, an oracle dynamically partitions the domain into continuum regions where safe, and discrete regions where necessary. The domains overlap along transition zones, where a Lagrangian dynamics mass-splitting coupling principle enforces agreement between the two simulation states. Enrichment and homogenization operations allow the partitions to evolve over time. This approach accurately and efficiently simulates scenarios that previously required an entirely discrete treatment." @default.
- W2902991331 created "2018-12-11" @default.
- W2902991331 creator A5004988872 @default.
- W2902991331 creator A5018780432 @default.
- W2902991331 creator A5022365722 @default.
- W2902991331 creator A5023745556 @default.
- W2902991331 creator A5041792662 @default.
- W2902991331 creator A5049319779 @default.
- W2902991331 date "2018-12-04" @default.
- W2902991331 modified "2023-10-10" @default.
- W2902991331 title "Hybrid grains" @default.
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