A decoupled and stabilized lattice Boltzmann method for multiphase flow with large density ratio at high Reynolds and Weber numbers

Yongyong Wu,Nan Gui,Xingtuan Yang,Jiyuan Tu,Shengyao Jiang

Journal of Computational Physics（2021）

引用 8|浏览11

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摘要

•Decoupled MRT is developed to remove dependency between relaxation times and viscosity.•Second-order u3 numerical error is eliminated in Decoupled MRT (DMRT).•Stabilization scheme is proposed to achieve large-density-ratio multiphase flow at high Re and We.•All collision regimes are reproduced by DMRT for droplet collision, splashing and impact.

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关键词

Lattice Boltzmann method,Multiphase-relaxation-time (MRT),Multiphase flow,High Reynolds and Weber numbers,Pseudopotential model

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