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Inflow and outflow boundary conditions for 2D suspension simulations with the immersed boundary lattice Boltzmann method

机译：用浸没边界格子Boltzmann方法的2D悬架模拟的流入和流出边界条件

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摘要

In- and outflow boundary conditions for 2D immersed boundary lattice Boltzmann suspension simulations, applied to cell based blood flow models, are presented. The inlet is constructed with an one-way coupling to a periodic domain containing a correct distribution of suspended particles. This provides an inflow of particles that has a correct distribution and is decoupled from any phenomena in the flow domain. An outflow boundary for the particles that does not influence the distribution of particles in the flow domain is also constructed. With this a method to run long ( 1 s) cell based blood flow simulations within any type of domain is provided. These boundary conditions are then used for a simulation of blood flow in a curved vessel with an aneurysm. (C) 2018 The Authors. Published by Elsevier Ltd.
机译：呈现给施加到基于电池的血流模型的2D浸没边界格子Boltzmann悬浮模拟的和流出边界条件。 入口以单向耦合构成，与含有正确分布的悬浮颗粒的周期性结构域。 这提供了具有正确分布的颗粒的流入，并且与流动域中的任何现象分离。 还构造了不影响流动域中颗粒分布的颗粒的流出边界。 通过这种方法，提供了一种在任何类型的域内运行长（＆ 1 s）电池基的血流模拟的方法。 然后将这些边界条件用于用动脉瘤的弯曲容器中的血流模拟。 （c）2018作者。 elsevier有限公司出版

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