An interface tracking method based on volume tracking in micro cells embedded in regular cells is proposed. The volume tracking is based on a CIP scheme, which yields extremely sharp and jaggy interface in micro cells. However, in regular cells, the jagged interface is smoothed and the interface thickness becomes comparable to a regular cell size Δx. Single air bubbles in stagnant water and single large air bubbles in stagnant water filled in a vertical pipe are simulated with the proposed method. As a result, it is confirmed that (1) the proposed method conserves bubble volumes, (2) the interface thickness around a bubble is kept within 2Δx, and thereby the surface tension force is well evaluated by the CSF model, and (3) the method can give good predictions for bubbles in a high density-ratio system.
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ASME 2002 Joint U.S.-European Fluids Engineering Division Conference
July 14–18, 2002
Montreal, Quebec, Canada
Conference Sponsors:
- Fluids Engineering Division
ISBN:
0-7918-3615-0
PROCEEDINGS PAPER
An Interface Tracking Method Based on Volume Tracking in Embedded Micro Cells
Yusuke Nakahara,
Yusuke Nakahara
Kobe University, Kobe, Japan
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Satoru Abe
Satoru Abe
Kobe University, Kobe, Japan
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Akio Tomiyama
Kobe University, Kobe, Japan
Yusuke Nakahara
Kobe University, Kobe, Japan
Satoru Abe
Kobe University, Kobe, Japan
Paper No:
FEDSM2002-31147, pp. 849-854; 6 pages
Published Online:
February 24, 2009
Citation
Tomiyama, A, Nakahara, Y, & Abe, S. "An Interface Tracking Method Based on Volume Tracking in Embedded Micro Cells." Proceedings of the ASME 2002 Joint U.S.-European Fluids Engineering Division Conference. Volume 1: Fora, Parts A and B. Montreal, Quebec, Canada. July 14–18, 2002. pp. 849-854. ASME. https://doi.org/10.1115/FEDSM2002-31147
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