Research Article

Effects of Reynolds and Womersley Numbers on the Hemodynamics of Intracranial Aneurysms

Table 1

Specifications of simulations. H, high; L, low; , diameter; , heart beat period; Re, Reynolds number; Wo, Womersley number; , the average bulk inlet velocity; An, aneurysm number; , the nondimensional time-step.

Simulation IA type (m) Heart beats per minute (s) Wo (m/s) Re An

ReLWoL Simplified sidewall 0.005 75 0.8 7.71 0.1 151.51 1.43 0.002
ReHWoL Simplified sidewall 0.005 75 0.8 7.71 0.25 378.79 1.43 0.005
ReHWoH Simplified sidewall 0.005 125 0.48 9.96 0.25 378.79 1.43 0.003
ReLWoL Simplified bifurcation 0.005 75 0.8 7.71 0.1 151.51 2.86 0.002
ReHWoL Simplified bifurcation 0.005 75 0.8 7.71 0.25 378.79 2.86 0.005
ReHWoH Simplified bifurcation 0.005 125 0.48 9.96 0.25 378.79 2.86 0.003
ReLWoL Patient-specific 0.0048 75 0.8 7.4 0.1 145.45 2.4 0.002
ReHWoL Patient-specific 0.0048 75 0.8 7.4 0.25 363.64 2.4 0.005
ReHWoH Patient-specific 0.0048 125 0.48 9.56 0.25 363.64 2.4 0.003