| Lattice BGK Simulations of the Blood Flow in Elastic Vessels |
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| 作者姓名： | 吕晓阳 伊厚会 陈暨耀 方海平 |
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| 作者单位： | [1]Surface Laboratory and Department of Physics, Fudan University, Shanghai 200433 [2]Guangdong Institute of Public Adminstration, G uangzhou 510631 [3]Shanghai Institute of Applied Physics, Chinese Academy of Sciences, PO Box 800-204, Shanghai 201800 [4]Graduate School of the Chinese Academy of Sciences, Beijing 100080 |
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| 基金项目： | Supported by the 100 Persons Project of the Chinese Academy of sciences, the National Natural Science Foundation of China under Grant No 10474109, the Foundation of the Ministry of Personnel of China. |
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| 摘 要： |
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| 关 键 词： | 晶格 血流 弹性导管 Boltzmann方法 血管 |
| 收稿时间： | 2005-11-16 |
| 修稿时间： | 2005-11-16 |
Lattice BGK Simulations of the Blood Flow in Elastic Vessels |
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| LU Xiao-Yang, YI Hou-Hui, CHEN Ji-Yao, FANG Hai-Ping.Lattice BGK Simulations of the Blood Flow in Elastic Vessels[J].Chinese Physics Letters,2006,23(3):738-741. |
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| Authors: | LU Xiao-Yang YI Hou-Hui CHEN Ji-Yao FANG Hai-Ping |
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| Abstract: | The lattice Boltzmann method is applied to study the flow in elastic blood vessels. The volume-flow rate increases considerably when the compliance constant of the blood vessel is below a critical value. There is a region of the compliance constant in which the average volume-flow rate is dramatically enhanced. A harmonic perturbation of the pressure does not change the behaviour of the average volume-flow rate while the harmonic wave attenuates very quickly along the tube when the resonant period is close to that of the input wave. The model, together with the simulation results, is expected to be helpful to understand the mechanism of the blood volume-flow rate related to the compliance constant of the blood vessel, especially on the dependence of the flux of human blood vessel under weather changes, which has medical significance. |
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