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Table 2 Computational time for FE solution and RB online phase, with the speed-up and the relative error

From: Assessment of self-adapting local projection-based solvers for laminar and turbulent industrial flows

Data

μ = 1620

μ = 2142

μ = 3693

μ = 4745

\(T_{\text{FE}}\)

1486.4 s

1972.1 s

3089.3 s

3777.51 s

\(T_{\text{online}}\)

0.51 s

0.52 s

0.52 s

0.52 s

speed-up

2869

3773

5935

7264

\(\|\mathbf{u}_{h}-\mathbf{u}_{N}\|_{{\mathbf {X}}_{h}}\)

1.910−6

1.5810−6

2.6210−6

4.9910−6

\(\|p_{h}-p_{N}\|_{{\mathbb {M}}_{h}}\)

2.9410−7

1.7910−7

1.1110−7

1.2510−7