Nano Science and Technology Institute
Nanotech 2002 Vol. 2
Nanotech 2002 Vol. 2
Technical Proceedings of the 2002 International Conference on Computational Nanoscience and Nanotechnology
Chapter 6: Micro and Nano Fluidic Systems

Direct Numerical Simulation of Moving Charged, Flexible Bodies with Thermal Fluctuations

Authors:N.A. Patankar
Affilation:Northwestern University, US
Pages:93 - 96
Keywords:numerical simulation, Brownian motion, hydrodynamic fluctuations, electrophoresis, flexible macromolecules
Abstract:The interaction of sub-micron scale objects with fluids is an important problem encountered in miniaturized systems. Various physical phenomena should be modeled simultaneously for a fundamental investigation of these systems. Our objective is to develop a direct numerical simulation tool to better understand the motion of sub-micron objects in complex geometries. We report: (a) A novel methodology to simulate the Brownian motion of objects in fluids, (b) A technique to simulate the motion of electrically charged bodies with thin Debye layers & (c) An innovative approach to simulate the motion of flexible bodies. The goal is to develop numerical techniques for each of these problems such that they can be unified or interfaced to allow simultaneous description of complex physical phenomena. Preliminary work has been accomplished.
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