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Table 2 Optimization results

From: Multi-objective optimization of coronary stent using Kriging surrogate model

Stents

W 1 (mm)

W 2 (mm)

W 3 (mm)

W 4 (mm)

W 5 (mm)

T (mm)

L (mm)

P (MPa)

DR (t = 32 ms)

DR (t = 42 ms)

RER

Original stent

0.28

0.28

0.28

0.28

0.249

0.12

5.8

1.8654

0.0622

0.0634

0.0178

Optimal stent

0.235

0.22

0.22

0.22

0.3

0.1

5.63

1.9077

0.0036

0.0067

0.0151

  1. The absolute value of the dogboning ratio at 32 ms, when stent was fully expanded, was reduced by 94.21%. The absolute value of dogboning ratio at 42 ms, after stent recoil, was reduced by 89.43%. The average of radial elastic recoil was reduced by 15.17%