Simulating blood rheology across scales: A hybrid LB-particle approach

Giacomo Falcucci (), Marco Lauricella (), Paolo Decuzzi (), Simone Melchionna () and Sauro Succi
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Giacomo Falcucci: Department of Enterprise Engineering, “Mario Lucertini” - University of Rome “Tor Vergata”, John A. Paulson School of Engineering and Applied Sciences - Harvard University, 33 Oxford Street, 02138 Cambridge, USA
Marco Lauricella: Istituto per le Applicazioni del Calcolo - National Research Council, Via dei Taurini 19, 00185 Roma, Italy
Paolo Decuzzi: Laboratory of Nanotechnology for Precision, Medicine - Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
Simone Melchionna: Istituto Sistemi Complessi - National Research Council, c/o Department of Physics - University of Rome “Sapienza”, Piazzale Aldo Moro 00100, Rome, Italy
Sauro Succi: Center for Life Nanoscience at La, Sapienza - Istituto Italiano di Tecnologia, Viale Regina Margherita 291, 00161, Roma, Italy6John A. Paulson School of Engineering and Applied Sciences - Harvard University, 33 Oxford Street, 02138 Cambridge, USA

International Journal of Modern Physics C (IJMPC), 2019, vol. 30, issue 10, 1-16

Abstract: In this paper, we deploy the hybrid Lattice Boltzmann - Particle Dynamics (LBPD) method to investigate the transport properties of blood flow within arterioles and venules. The numerical approach is applied to study the transport of Red Blood Cells (RBC) through plasma, highlighting significant agreement with the experimental data in the seminal work by Fåhræus and Lindqvist. Moreover, the results provide evidence of an interesting hand-shaking between the range of validity of the proposed hybrid approach and the domain of viability of particle methods. A joint inspection of accuracy and computational cost, indicate that LBPD offers an appealing multiscale strategy for the study of blood transport across scales of motion, from macroscopic vessels, down to arterioles and venules, where particle methods can eventually take over.

Keywords: Red blood cells; hemodynamics; lattice boltzmann; multi-scale simulation (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (1)

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DOI: 10.1142/S0129183119410031

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