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Single-phase Multi-component Simulation of RBCs Biconcave Shape Using 2-D Lattice Boltzmann Method

机译:使用2-D格子Boltzmann方法的RBCS双旋转形状的单相多分量模拟

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The dependence of the theological properties of blood, on RBCs shape, aggregation and deformability has been investigated using hybrid systems which couple fluid with solid models [1-4] We are presenting a simplistic approach for simulating blood as a multi-component fluid, in which RBCs are modeled as droplets of acquired biconcave shape. We use LBM, owing to its excellent numerical stability as a simulation tool. The model enables good control of the droplet shape by imposing variable surface tension on the interface between the two fluids. The use of variable surface tension is justified by Norris hypotheses, which was supported by recent experiments. This hypotheses states that the shape of the erythrocytes is due to a difference in surface tension caused by the unbalanced distribution of lipid molecules on the surface [5] .
机译:使用杂种系统研究了血液的神学性质的依赖性,对RBCS形状,聚集和可变形性进行了研究,该混合系统将流体与固体模型进行液体[1-4],我们呈现了一种简单化的方法,用于将血液模拟为多组分流体,其中RBC被建模为获取的Biconcave形状的液滴。我们使用LBM,由于其优异的数值稳定性作为仿真工具。该模型通过在两个流体之间的界面上施加可变表面张力,可以良好地控制液滴形状。可变表面张力的使用是由Norris假设的合理的,其由最近的实验支持。该假设指出红细胞的形状是由于表面张力差异引起的表面张力引起的表面上的脂质分子的不平衡分布[5]。

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