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Stochastic droplet-fiber collisions

: Schröder, S.; Olawsky, F.; Hering-Bertram, M.; Hagen, H.

Postprint (PDF; )

Procedia computer science. Online journal 4 (2011), pp.781-790
ISSN: 1877-0509
International Conference in Computational Science (ICCS) <11, 2011, Singapore>
Journal Article, Conference Paper, Electronic Publication
Fraunhofer ITWM ()

We present a novel method to simulate fibers in flows transporting droplets. We discuss how to model the collisions of droplets and fibers. Since droplet-fiber collision is computationally expensive we use a new stochastic approach modeling the collision probability of droplets and fibers. From a continuous spatial distribution of the particle masses we can calculate the impact on a specific fiber at any arbitrary point. This gives an average mass and momentum of the droplets which is transferred to the fiber. We integrate our model in a fiber dynamics simulation tool (FIDYST) used to simulate industrial manufacturing processes.