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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