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Simulation of blood flow using extended Boltzmann kinetic approach

Author

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

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.

Suggested Citation

  • Chen, Caixia & Chen, Hudong & Freed, David & Shock, Richard & Staroselsky, Ilya & Zhang, Raoyang & Ümit Coşkun, A. & Stone, Peter H. & Feldman, Charles L., 2006. "Simulation of blood flow using extended Boltzmann kinetic approach," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 362(1), pages 174-181.
    • Handle: RePEc:eee:phsmap:v:362:y:2006:i:1:p:174-181
    DOI: 10.1016/j.physa.2005.09.009
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    References listed on IDEAS

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    1. Hudong Chen & Chris Teixeira & Kim Molvig, 1997. "Digital Physics Approach to Computational Fluid Dynamics: Some Basic Theoretical Features," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 8(04), pages 675-684.
    2. Hudong Chen & Chris Teixeira & Kim Molvig, 1998. "Realization of Fluid Boundary Conditions via Discrete Boltzmann Dynamics," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 9(08), pages 1281-1292.
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