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http://dx.doi.org/10.6112/kscfe.2017.22.1.051

DISPOSAL OF FAR-FIELD VORTEX PARTICLES FOR LONG-TERM SIMULATIONS IN PENALIZED VICMETHOD  

Jo, E.B. (Department of Naval Architecture and Ocean Engineering, Seoul National University)
Lee, S.-J. (Research Institute of Marine Systems Engineering, Seoul National University)
Suh, J.-C. (Department of Naval Architecture and Ocean Engineering, Seoul National University)
Publication Information
Journal of computational fluids engineering / v.22, no.1, 2017 , pp. 51-58 More about this Journal
Abstract
A penalized VIC method offers an efficient hybrid particle-mesh algorithm to simulate an incompressible viscous flow passing a solid body in an infinite domain. In this manner, the computational domain needs to be restricted to a relatively small region to reduce computational cost which would be very high in case of using a large domain. In this paper, we present how to dispose of far-field particles to avoid an unnecessarily large computational domain. The present approach constraints expansion of the domain and thus prevents the incremental computational cost. To validate the numerical approach, a flow around an impulsively started sphere was simulated for Reynolds numbers of 100 and 1000.
Keywords
Vortex particle disposal; Vortex-in-cell method; Penalization method; Long-term simulation;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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