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Table 6 Mean of the total reconstruction RMSRE (\(\cdot 10^{-2}\)) using a full basis (\(K=79\)) over 5 training sets

From: Evaluation of POD based surrogate models of fields resulting from nonlinear FEM simulations

 

Displacement (\(\mathrm {u}\))

Equivalent plastic

Stress (\(\upsigma \))

  

strain (\(\upvarepsilon _\mathrm {p}^\mathrm {eq}\))

 

Zero centered

6.71 (3.73\(-\) 9.55)

8.01 (6.93\(-\) 8.95)

12.00 (11.24\(-\) 13.10)

Zero centered, scaled

2.67 (2.27\(-\) 3.19)

6.82 (6.38\(-\) 7.25)

11.95 (11.05\(-\) 12.76)

Zero centered, separate

2.78 (2.49\(-\) 3.23)

6.75 (6.53\(-\) 7.05)

12.28 (11.24\(-\) 13.16)

Zero centered, assembly from \(\upvarepsilon _{p}^{eq}\)

5.72 (4.58\(-\) 6.66)

6.75 (6.53\(-\) 7.05)

14.32 (13.39\(-\) 14.81)

  1. Best performances are in italics, between brackets the minimum and maximum values over the five training sets are given