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Table 4 Comparison of design results between MF-ROM and Bi-ROM (after 200 iterations)

From: Stress-constrained topology optimization using approximate reanalysis with on-the-fly reduced order modeling

Method

\(\varvec{N_{b}}\)

\(\varvec{\hat{e}_{rb}}\)

Calls to ROM

CPU running time \(\varvec{(/s)}\)

Optimal compliance \(\varvec{(c^{*})}\)

Relative error of \(\varvec{c^{*}(\%)}\)

Reference

0/200

1884.26

291.48

MF-ROM

4

0.1

129/200

1541.80

294.19

0.93

Bi-ROM

4

0.1

132/200

1338.92

293.88

0.82

 

6

0.05

148/200

1338.92

293.88

0.82