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Table 5 Steady-state analysis of mesh dependency for 3D model of cerebral artery by aiming at WSS and CBF with constant pressure boundary conditions

From: Hemodynamic effects of enhanced external counterpulsation on cerebral arteries: a multiscale study

Size

Boundary conditions

CBF

Differences percentage

Area-averaged WSS

Differences percentage

Nodes

Elements

Inlet pressure

Outlet pressure

316,652

394,380

90.2

85.2

18.053

 

1.699

 

590,411

798,195

90.2

85.2

17.425

0.0348

1.608

0.0536

919,703

1,186,933

90.2

85.2

17.290

0.0077

1.596

0.0075

  1. Pressure unit: mmHg, flow rate unit: mL/s, WSS unit: Pa
  2. CBF cerebral blood flow, WSS wall shear stress