SIMULATION OF SELF-ASSEMBLIES OF COLLOIDAL PARTICLES WITH DIFFERENT SIZES BY USING A LATTICE BOLTZMANN PSEUDO-SOLID MODEL

SIMULATION OF SELF-ASSEMBLIES OF COLLOIDAL PARTICLES WITH DIFFERENT SIZES BY USING A LATTICE BOLTZMANN PSEUDO-SOLID MODEL
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格子玻尔兹曼拟固体模型模拟不同尺寸胶体颗粒的自组装

DOI:
10.1142/s0129183113400020
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发表时间:
2013-11
影响因子:
1.9
通讯作者:
Chen, Shiyi
Chen, Shiyi
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
Zeng, Zhong;Chen, Yu;Ohashi, Hirotada;Chen, Shiyi

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格子Boltzmann拟固体模型是一种新提出的有效模拟胶体颗粒在单相或多相流体中运动的方法。在这项研究中,它被应用于研究两种不同大小的胶体粒子的自组装,这些胶体粒子部分地浸没在衬底上的流体层中。模拟结果表明,随着颗粒半径比的增大,不同颗粒之间会出现分离现象。研究了流体层厚度对组装过程和组装结构的影响。
Lattice Boltzmann pseudo-solid model (LB-PSM) is a newly proposed method for the efficient simulation of colloidal particles' motion in single or multiphase fluids. In this study, it is applied to the study of self-assemblies of colloidal particles with two different sizes, partially immersed in a fluid layer on a substrate. Simulation results show that the separation of different particles can emerge as the ratio of particles radii increases. Also, the influence of the thickness of fluid layer on both the assembling process and the assembled structures is investigated.
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