Institute of Theoretical Physics, Technical University Berlin, Berlin, Germany.
J Phys Condens Matter. 2013 May 15;25(19):195104. doi: 10.1088/0953-8984/25/19/195104. Epub 2013 Apr 16.
We report computer simulation results on the cluster formation of dipolar colloidal particles driven by a rotating external field in a quasi-two-dimensional setup. We focus on the interplay between permanent dipolar and hydrodynamic interactions and its influence on the dynamic behavior of the particles. This includes their individual as well as their collective motion. To investigate these characteristics, we employ Brownian dynamics simulations of a finite system with and without hydrodynamic interactions. Our results indicate that hydrodynamic interactions have a profound impact on the dynamic behavior of the clusters and the dynamics of the clustering process.
我们报告了在准二维设置下，受旋转外场驱动的偶极胶体颗粒的聚团形成的计算机模拟结果。我们关注的是永久偶极和流体动力学相互作用之间的相互作用及其对颗粒的动态行为的影响。这包括它们的个体和集体运动。为了研究这些特性，我们使用了具有和不具有流体动力学相互作用的有限系统的布朗动力学模拟。我们的结果表明，流体动力学相互作用对聚团的动态行为和聚类过程的动力学有深远的影响。
