报告时间：2015年10月13日，星期二，15:00-16:00

报告地点：B区二综合楼415

A level-set method for two-phase flows with moving contact line and insoluble surfactant

报告摘要: A level-set method for two-phase flows with moving contact line and insoluble surfactant is presented. The mathematical model consists of the Navier-Stokes equation for the flow field, a convection-diffusion equation for the surfactant concentration, together with the Navier boundary condition and a condition for the dynamic contact angle. The numerical method consists of three components: a flow solver for the velocity field, a solver for the surfactant concentration, and a solver for the level-set function. In the flow solver, the surface force is dealt with using the continuum surface force model. The unbalanced Young stress at the moving contact line is incorporated into the Navier boundary condition. A convergence study of the numerical method and a parametric study are presented. The capability of the level-set method to handle complex geometries is demonstrated by simulating a pendant drop detaching from a wall under gravity. The influence of surfactant on the dynamics of the moving contact line is illustrated using examples. Some recent progress on adaptive mesh method will also be reported.

报告人简介：徐建军博士,中科院重庆绿色智能技术研究院副研究员。主要从事并行计算的研究和国内石油工业并行软件开发、有表面活性剂的多相流和相关的生物数学的数值计算模拟的研究。在包括权威期刊J. Comput. Phys., J. Sci. Computing, Commun. Comp. Phys.等国际国内杂志及学术会议上发表论文20篇。

受教育经历：

2001.06—2003.06，美国加州大学Irvine分校，数学系，博士后

1996.09—2001.05，美国天普大学，数学系，博士

1986.09—1989.05，国防科技大学，应用数学系，硕士

1982.09—1986.05，四川大学，数学系，本科

研究工作经历：

2015.01—中科院重庆绿色智能技术研究院，副研究员

2009.09—2015.01湘潭大学，数学与计算科学学院，副教授

2005.09—2009.06，美国加州大学Irvine分校，数学系，访问学者

2003.09—2005.08，加拿大西蒙菲莎大学数学系和太平洋数学研究所，访问学者

1989.09—1996.06,华中科技大学，数学系，助教（89-91），讲师（92-96）