大规模血流模拟中的红细胞模型
A model for red blood cells in simulations of large-scale blood flows
摘要：
红细胞（RBC）是血液的重要组成部分。本文介绍了一种包含血液颗粒特性的方法，其目的是研究大规模真实血管中的循环。该方法使用的组合的格子玻尔兹曼方法（LBM）占等离子体运动，和一个修改后的分子动力学计划的细胞运动。数值结果说明了质量的模型在再现已知的血液流变学特性，揭示了红细胞结构的壁剪切应力的影响，与心血管疾病的发展的后果。
英文摘要：
Red blood cells (RBCs) are an essential component of blood. A method to include the particulate nature of blood is introduced here with the goal of studying circulation in large-scale realistic vessels. The method uses a combination of the Lattice Boltzmann method (LBM) to account for the plasma motion, and a modified Molecular Dynamics scheme for the cellular motion. Numerical results illustrate the quality of the model in reproducing known rheological properties of blood as much as revealing the effect of RBC structuring on the wall shear stress, with consequences on the development of cardiovascular diseases.
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