Reducing Spurious Velocities at the Interfaces of Two-Phase Flows for Lattice Boltzmann Simulations

doi:10.1088/0256-307X/29/6/064705

Chin. Phys. Lett.

2012, Vol. 29

Issue (6): 064705 DOI: 10.1088/0256-307X/29/6/064705

FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS)

Reducing Spurious Velocities at the Interfaces of Two-Phase Flows for Lattice Boltzmann Simulations

WEI Yi-Kun, QIAN Yue-Hong^**

Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, 149 Yanchang Road, Shanghai 200072

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WEI Yi-Kun, QIAN Yue-Hong 2012 Chin. Phys. Lett. 29 064705

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Abstract Fractional propagation is used to reduce the spurious velocities for multiphase lattice Boltzmann models. The numerical results show that the maximum spurious velocity at the interfaces could be reduced effectively in comparison with some of the early models. Eight spurious eddies, which previously existed in the D2Q9 model at the interfaces of two-phase flows, are completely eliminated. Simulations are used to confirm these results using different parameters.

Received: 16 February 2012 Published: 31 May 2012

PACS:	47.11.-j	(Computational methods in fluid dynamics)
	02.70.-c	(Computational techniques; simulations)
	50.70.Ce

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https://cpl.iphy.ac.cn/10.1088/0256-307X/29/6/064705 OR https://cpl.iphy.ac.cn/Y2012/V29/I6/064705

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	WEI Yi-Kun
	QIAN Yue-Hong

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