Table 1. Parameters employed for computational modeling.

Material Properties
Symbol	Description	Value
Ew,1	Young’s modulus of the straight vessel	1×105 Pa
Ew,2	Young’s modulus of the boundary model	2×105 Pa
h	Wall thickness of the elastic boundary tube	0.1 cm
L2	Length of the elastic boundary tube	10 cm
L1	Length of the straight vessel	20 cm
r3	Internal radius of the straight vessel	1 cm
γ	Contraction ratio of the rigid boundary tube	0.5
υ	Poisson ratio of straight vessel and elastic boundary	0.45
ρs	Density of straight vessel and elastic boundary	1 g/cm3
μ	Viscosity of the fluid	0.0051 Pa·s
ρf	Density of the fluid	1050 kg/m3
η	Viscosity of the aorta wall	1000–12000 Pa·s
Aneurysm
L3	Length of the bulge for aneurysm case	4 cm
r4	Internal radius of the bulge for aneurysm case	1.865 cm
Stenosis
L4	Length of the bulge for stenosis case	2 cm
r5	Internal radius of the bulge for stenosis case	1.55 cm