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Heritage Science

Table 8 Sobol’s sensitivity analysis for the cupping angle value obtained after 3, 6 and 9 days after the humidity step change (Do -Diffusion coeff., Ec1Back side emissivity, Ep Rigidity of paint layers, X and Y corrective coeff.s.)

From: Modelling of hygro-mechanical behaviour of wooden panel paintings: model calibration and artworks characterisation

Index

3 days

6 days

9 days

First order index

Total index

First order index

Total index

First order index

Total index

Do

0.25

0.27

0.28

0.37

0.39

0.45

Ec1

0.2

0.2

0.31

0.42

0.22

0.24

Ep

0.43

0.44

0.12

0.14

0.12

0.13

X

0.01

0.02

0.12

0.27

0.2

0.25

Y

0.11

0.12

0.17

0.19

0.07

0.09

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