Droplet based digital microfluidics and its related studies are contemplated for many useful applications including lab-on-chip. The dynamics of such multiphase, multiphysics studies can be analyzed by lattice Boltzmann method (LBM). In this work, a pseudopotential based LBM framework for implementing EWOD actuation of droplet is explored by coupling the droplet and electrohydrodynamics.The effect of viscosity over the droplet spreading, merging, splitting is reported. The presented result can be useful in designing transportation, merging and splitting of the droplets. The results presented here shows that the modified pseudopotential-LBM can be used effectively for modeling EWOD and lab-on-chip applications.

基于液滴的数字微流控技术及其相关研究可用于包括芯片实验室在内的许多有用应用。此类多相，多物理场研究的动力学可以通过格子Boltzmann方法（LBM）进行分析。在这项工作中，通过耦合液滴和电动流体动力学，探索了基于伪势的LBM框架来实现液滴的EWOD致动。报道了粘度对液滴扩散，合并，分裂的影响。提出的结果可用于设计液滴的运输，合并和分裂。此处显示的结果表明，改进的伪电势LBM可有效地用于对EWOD和芯片实验室应用进行建模。