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Visualization of Mechanical Processes: An International Online Journal

Publicou 4 edições por ano

ISSN On-line: 2152-209X

SIMULATION OF DROPS MOTION IN CHANNELS USING FAST MULTIPOLE METHOD /GRAPHICS PROCESSORS ACCELERATED BOUNDARY ELEMENT METHOD

Volume 3, Edição 3, 2013,
DOI: 10.1615/.2016016720
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RESUMO

Modeling of motion of two-phase liquids in microchannels of different shapes is needed for a variety of industrial applications, such as enhanced oil recovery, advanced material processing, and biotechnology. In the present study a three-dimensional flow of a mixture of two Newtonian liquids of a droplet structure in microchannels at low Reynolds numbers is considered. The computational approach is based on the boundary element method (BEM) accelerated using an advanced scalable algorithm (fast multipole method, FMM), and a heterogeneous computing architecture (multicore CPUs and graphics processors). To solve large-scale problems a flexible general minimal residual solver is developed. Example computations are conducted for dynamics of many deformable drops of different sizes in microchannels. The developed approach can be used for solution of a wide range of problems related to emulsion flows in micro- and nanoscales.

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