Journal
COMMUNICATIONS IN NUMERICAL METHODS IN ENGINEERING
Volume 25, Issue 10, Pages 1009-1018Publisher
JOHN WILEY & SONS LTD
DOI: 10.1002/cnm.1135
Keywords
moment of fluid (MOF); volume of fluid (VOF); volume tracking; interface reconstruction; multiphase flow; stabilized finite element
Funding
- U.S. Department of Energy at Los Alamos National Laboratory [DE-AC52-06NA25396]
- DOE Office of Science Advanced Scientific Computing Research (ASCR)
- Los Alamos National Laboratory
- Publishing Arts Research Council [98-1846389]
- The National Nuclear Security Administration of the U.S. Department of Energy [DE-AC52-06NA25396]
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The moment-of-fluid (MOF) method is a new volume-tracking method that accurately treats evolving material interfaces. The MOF method uses moment data, namely the material volume fraction, as well as the centroid, for a more accurate representation of the material configuration, interfaces and concomitant volume advection. In contrast, the volume-of-fluid method uses only volume fraction data for interface reconstruction and advection. Based on the moment data for each material, the material inter-faces are reconstructed with second-order spatial accuracy in a strictly conservative manner. The MOF method is Coupled with a stabilized finite element incompressible Navier-Stokes solver for two materials. The effectiveness of the MOF method is demonstrated with a free-surface dam-break and a two-material Rayleigh-Taylor problem. Copyright (C) 2008 John Wiley & Sons, Ltd.
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