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Multiphase Simulation of Fiber Suspension Flows Using Immersed Boundary Methods

Erik Svenning ; Andreas Mark ; Fredrik Edelvik ; Erik Glatt ; Stefan Rief ; Andreas Wiegmann ; Lars Martinsson ; Ron Lai ; Mats Fredlund ; Ulf Nyman
Nordic Pulp & Paper Research Journal (0283-2631). Vol. 27 (2012), 2, p. 184-191.
[Artikel, refereegranskad vetenskaplig]

Fiber suspension simulations are challenging since they involve transient fluid flow with immersed solid objects subject to large displacements and rotations. In the present work, a beam model in co-rotational formulation is coupled with a fluid solver using immersed boundary methods. The model is used to simulate a fiber in a shear flow and excellent agreement is found with Jeffery's equations. The shapes of fibers deforming in a shear flow are found to be in qualitative agreement with shapes observed in experiments. The flow of a fiber suspension is studied by simulating early paper forming with one-way and semi-two-way coupling. It is found that the flow through the fiber web needs to be resolved in order to predict the retention of fibers in the fiber web.

Nyckelord: Fluid Structure Interaction, Immersed Boundary Methods, Paper forming, Jeffery Orbits

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Denna post skapades 2012-06-21. Senast ändrad 2016-10-27.
CPL Pubid: 159331


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Numerisk analys

Chalmers infrastruktur