| Issue |
EPJ Web Conf.
Volume 143, 2017
EFM16 – Experimental Fluid Mechanics 2016
|
|
|---|---|---|
| Article Number | 02013 | |
| Number of page(s) | 5 | |
| Section | Contributions | |
| DOI | https://doi.org/10.1051/epjconf/201714302013 | |
| Published online | 12 May 2017 | |
https://doi.org/10.1051/epjconf/201714302013
The calibration of fluid-object interaction in immersed boundary method
Cell-in-fluid research group, University of Žilina, Slovakia
Published online: 12 May 2017
In modelling of elastic objects immersed in a fluid, very important part of the model is the interaction between objects and fluid. In models based on immersed boundary method and lattice-Boltzmann method, this interaction is mediated by friction coefficient between fluid and particles. The friction coefficient is phenomenological and needs to be properly calibrated. In this work we design an experiment, the results of which can be predicted by theoretical computations. Based on the theory, we calibrate friction coefficient to properly describe the interaction between fluid and objects. The simulation experiments are performed in Object-in-fluid framework. We calibrate it for objects immersed in flow with low Reynolds number to model flow of cells inside microfluidic devices. We analyze dependence of interaction method on number of nodes and size of spherical object.
© The Authors, published by EDP Sciences, 2017
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