Application of Lattice BOLTZMANN Method to Simulate Blood Flow in Carotid Artery

چکیده مقاله

The LBM can be used to study many of the flow properties that are important in hemodynamic modeling and has been used to blood flow simulation applications. In the clinical context, blood flow behavior plays a crucial role in the understanding, diagnosis and treatment of many conditions. The lattice-Boltzmann method can be viewed as a special discretization of the continuous Boltzmann equation and is thus a kinetic approach that, unlike conventional numerical schemes, does not discretize the macroscopic continuum equations with the attendant need to solve the Poisson equation. Therefore, the lattice-Boltzmann (LBM) method offers an attractive alternative, so our fluid solver is based on this modelling and simulation approach. Due to its simple implementation, straightforward parallelization, and easy grid generation, it might be considered a more suitable approach of blood flow simulations. These characteristics make LBM model be used as a promising tool for biomedical modeling with more easily augmented to include non-Newtonian rheology or biological processes. Recently, the interest in Lattice Boltzmann methods by the computational fluid dynamics community has notoriously increased as a way of addressing the problem of modeling complex flows. In this work, we implement a Lattice-Boltzmann model with the aim of simulating blood flows in the carotid artery. The selected model, based on a single-relaxation-time approach, is briefly described for both velocity and pressure profiles and proper equilibrium distributions that take care of the incompressible behavior of the fluid