Simulation of blood flow using extended Boltzmann kinetic approach

Caixia Chen, Hudong Chen, David Freed, Richard Shock, Ilya Staroselsky, Raoyang Zhang, A. Ümit Coşkun, Peter H. Stone and Charles L. Feldman

Physica A: Statistical Mechanics and its Applications, 2006, vol. 362, issue 1, 174-181

Abstract: Lattice Boltzmann (LB) simulations are conducted to obtain the detailed hydrodynamics in a variety of blood vessel setups, including a prototype stented channel and four human coronary artery geometries based on the images obtained from real patients. For a model of stented flow involving an S-shape stent, a pulsatile flow rate is applied as the inlet boundary condition, and the time- and space-dependent flow field is computed. The LB simulation is found to reproduce the analytical solutions for the velocity profiles and wall shear stress distributions for the pulsatile channel flow. For the coronary arteries, the distributions of wall shear stress, which is important for clinical diagnostic purposes, are in good agreement with the conventional CFD predictions.

Keywords: Lattice Boltzmann method; Blood flow; Wall shear stress; Coronary artery; Pulsatile channel flow (search for similar items in EconPapers)
Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:362:y:2006:i:1:p:174-181

DOI: 10.1016/j.physa.2005.09.009

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