ANZIAM J. 46(E) ppC133--C149, 2005.
An analysis of parasitic current generation in volume of fluid simulations
D. J. E. Harvie | M. R. Davidson | M. Rudman |
Abstract
Parasitic currents are unphysical currents generated when using implementations of the Continuum Surface Force technique to model surface tension forces in multi-phase Computational Fluid Dynamics problems. We derive and validate a correlation for the magnitudes of these currents as a function of the physical and numerical parameters used in a given simulation. We find that these currents may be limited by both the inertial and viscous terms in the Navier--Stokes equations, and as observed by previous researchers, that they do not decrease in magnitude with increased mesh refinement nor decreased computational time step.
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Authors
- D. J. E. Harvie
- Dept. Chemical & Biomolecular Engineering, University of Melbourne, Australia. mailto:daltonh@unimelb.edu.au
- M. R. Davidson
- Dept. Chemical & Biomolecular Engineering, University of Melbourne, Australia.
- M. Rudman
- CSIRO, Manufacturing & Infrastructure Technology, Melbourne, Australia.
Published April 19, 2005. ISSN 1446-8735
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