Analysis of blood flow in deformable vessels via a lattice Boltzmann approach

被引：6
作者：
De Rosis, Alessandro [1 ]
机构：
[1] Univ Bologna, DICAM, I-40136 Bologna, Italy
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS C | 2014年 / 25卷 / 04期
关键词：
Lattice Boltzmann method; deformable vessel; pulsatile flow; fluid-structure interaction; FLUID-STRUCTURE INTERACTION; NAVIER-STOKES EQUATIONS; FINITE-ELEMENT; NUMERICAL-ANALYSIS; SIMULATION; RHEOLOGY; MODELS; TRANSPIRATION;
D O I：
10.1142/S0129183113501076
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In this paper, the lattice Boltzmann (LB) method is used in order to simulate non-Newtonian blood flows in deformable vessels. Casson's rheological model is adopted and a local correction to the relaxation time is implemented in order to modify the viscosity. The hyperelastic, hardening and anisotropic behavior of a flexible arterial wall is discussed and a closed-form solution is used to predict the deformed configuration of the vessel. A partitioned staggered-explicit strategy to couple the LB method and such analytical prediction is proposed.
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页数：18
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