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首页> 外文期刊>Journal of Computational Physics >Multiscale simulation of water flow past a C _(540) fullerene
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Multiscale simulation of water flow past a C _(540) fullerene

机译:通过C _(540)富勒烯的水流的多尺度模拟

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摘要

We present a novel, three-dimensional, multiscale algorithm for simulations of water flow past a fullerene. We employ the Schwarz alternating overlapping domain method to couple molecular dynamics (MD) of liquid water around the C _(540) buckyball with a Lattice-Boltzmann (LB) description for the Navier-Stokes equations. The proposed method links the MD and LB domains using a fully three-dimensional interface and coupling of velocity gradients. The present overlapping domain method implicitly preserves the flux of mass and momentum and bridges flux-based and Schwarz domain decomposition algorithms. We use this method to determine the slip length and hydrodynamic radius for water flow past a buckyball.
机译:我们提出了一种新颖的三维多尺度算法,用于模拟流经富勒烯的水流。我们采用Schwarz交替重叠域方法,用Navier-Stokes方程的C_(540)布基球周围的液态水分子动力学(MD)与Lattice-Boltzmann(LB)描述耦合。所提出的方法使用完整的三维界面和速度梯度耦合来链接MD域和LB域。当前的重叠域方法隐式地保留了质量和动量的通量,并桥接了基于通量和Schwarz域分解算法。我们使用这种方法来确定流过布基球的滑移长度和流体动力学半径。

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