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. Author manuscript; available in PMC: 2022 Apr 1.
Published in final edited form as: Ann Biomed Eng. 2020 Oct 16;49(4):1151–1168. doi: 10.1007/s10439-020-02631-9

Table 2.

list of hemodynamic factors calculated in this study, their meaning and equations that define them.

Eq # Term Meaning Equation
2 τw Blood velocity gradient at vessel wall τw=μunwall
3 TAESS¯seg Area averaged TAESS TAESS¯seg=n=1NsurfaceTAESSNsurface
4 TAESS¯Arc 45° arc averaged TAESS TAESS¯Arc=n=1NarcTAESSNarc
5 OSI Oscillatory shear index OSI=0.51-0Tτwdt0Tτwdt
6 OSI¯seg Area averaged oscillatory shear index OSI¯seg=n=1NsurfaceOSINsurface
7 P¯seg Time-averaged area-averaged pressure P¯seg=n=1NareaPNarea

μ: dynamic viscosity, u: blood velocity, n: directional vector normal to the wall, Nsurface : total number of surface mesh points at the wall, Narc: total number of surface mesh points at the wall in each 45o arc, Narea: total number of mesh points at the cross-sectional area