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Advances in Aerodynamics

Table 2 Results for the multiscale simulations with different threshold σt

From: A Gaussian process regression accelerated multiscale model for conduction-radiation heat transfer in periodic composite materials with temperature-dependent thermal properties

σt

Number of data points for GP model

CPU time

Relative error of T0

Relative error of Tε

10–2

6

4.20 h

1.356%

1.104%

10–3

8

4.84 h

1.290%

1.020%

10–4

11

6.64 h

1.274%

1.000%

10–5

14

8.51 h

1.274%

1.000%

10–6

24

11.47 h

1.274%

1.000%

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