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Table 2 Stent design optimization results

From: Design optimization of stent and its dilatation balloon using kriging surrogate model

Stents

Variables (mm)

σ m (MPa)

σ m (MPa)

D shortest (reduced by)

w 1

w 2

t 1

Diamond stent

Original

0.28

0.249

0.12

304.62

2.02

22.39%

Optimal

0.2685

0.2128

0.1047

238.49

3.51

Stents

Variables (mm)

σ m (MPa)

σ m (MPa)

D shortest (reduced by)

w 1

R

t 2

Sv stent

Original

0.1

0.09

0.1

328.05

3.09

15.91%

Optimal

0.1111

0.0922

0.0838

283.48

4.78

  1. The shortest distance from the data point of diamond-shaped stent to the failure line was increased by 22.39%. While the shortest distance from the data point of sv-shaped stent to the failure line was increased by 22.32%