FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS)
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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
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
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.
收稿日期: 2012-02-16
出版日期: 2012-05-31
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2012, Vol. 29 
