Key result
Computational modeling demonstrated that permeability in a double aneurysmatic artery significantly alters blood velocity, pressure, and wall shear stress, particularly in generalized Oldroyd-B models.
Computational modeling demonstrates that permeability in a double aneurysmatic artery significantly alters hemodynamic parameters like wall shear stress and pressure, particularly when using non-Newtonian fluid models.
Permeability effects merit inclusion in aneurysm hemodynamic models; hypothesis-generating for clinical rupture risk assessment.
Blood flow in a double aneurysmatic artery of the normal tissue is studied. A Finite Element method is used to analyze numerical simulation of blood flow through aneurysmatic arteries. The Newtonian, generalized Newtonian, Oldroyd-B and generalized Oldroyd-B models are considered due to the behavior of blood viscosity. In this paper, the effect of aneurysmatic artery on blood flow with permeability in human organ has been investigated. The non-Newtonian models have been applied to study the blood velocity, pressure, and wall shear stress in an aneurysmatic artery. A set of partial differential equations are transformed into dimensionless equations using non-dimensional variables and solved numerically. We have focused our consideration on the simulation of blood velocity and pressure in terms of blood flow rate for various Weissenberg numbers (Wi) and Peclet numbers (Pe). The important effects on blood flow of aneursymatic artery for blood velocity, pressure and wall stress profiles are presented graphically for Newtonian and non-Newtonian models.
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Uddin et al. (2021) studied Aneurysm. Permeability in double aneurysmatic artery (computational model) vs. Impermeable aneurysm was evaluated on Blood velocity, pressure, and wall shear stress. Computational modeling demonstrated that permeability in a double aneurysmatic artery significantly alters blood velocity, pressure, and wall shear stress, particularly in generalized Oldroyd-B models.
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