期刊论文

A REGULARIZED PHASE-FIELD LATTICE BOLTZMANN MODEL FOR TWO-PHASE FLOWS

中文

力学学报

Chinese Journal of Theoretical and Applied Mechanics

2024

8

2259-2270

湖南省自然科学基金(2020JJ5014) 湖南省教育厅重点项目(21A0498)资助。

本校为第一机构

目前,基于相场理论的格子玻尔兹曼(lattice Boltzmann,LB)模型已经被广泛应用于气-液两相流流动问题中.为了提高已有相场LB模型的数值稳定性,提出了一种新型的正则化相场格子玻尔兹曼模型(regulariz...展开更多 目前,基于相场理论的格子玻尔兹曼(lattice Boltzmann,LB)模型已经被广泛应用于气-液两相流流动问题中.为了提高已有相场LB模型的数值稳定性,提出了一种新型的正则化相场格子玻尔兹曼模型(regularized lattice Boltzmann model,RLBM)用于模拟大密度比和大黏度比的气液两相流动.该模型由界面追踪和流场求解两个核心模块构成,其中界面变化采用守恒型Allen-Cahn (A-C)相场方程控制,流场演化...

At present,the lattice Boltzmann(LB) model based on the phase field theory has been widely applied in gasliquid two-phase flow problems.In order to improve the numerical stability of the existing phase field LB models,a new regularized phase-field lattice Boltzmann mode...MORE At present,the lattice Boltzmann(LB) model based on the phase field theory has been widely applied in gasliquid two-phase flow problems.In order to improve the numerical stability of the existing phase field LB models,a new regularized phase-field lattice Boltzmann model(...