Hygromechanical behaviour of wooden panel paintings: classification of their deformation tendencies based on numerical modelling and experimental results

Heritage Science

Table 5 Sensitivity study, with indication of paint layer rigidity and emissivity for the 50 cases analysed

Model id	Paint layers rigidity [MPa]	Paint layers emissivity [mm s⁻¹]	Model id	Paint layers rigidity [MPa]	Paint layers emissivity [mm s⁻¹]
1	No rigidity	Bare wood	26	5000	1.00E − 05
2	No rigidity	1.00E − 04	27	5000	7.50E − 06
3	No rigidity	7.50E − 05	28	5000	5.00E − 06
4	No rigidity	5.00E − 05	29	5000	2.50E − 06
5	No rigidity	2.50E − 05	30	5000	insulated
6	No rigidity	1.00E − 05	31	7500	bare wood
7	No rigidity	7.50E − 06	32	7500	1.00E − 04
8	No rigidity	5.00E − 06	33	7500	7.50E − 05
9	No rigidity	2.50E − 06	34	7500	5.00E − 05
10	No rigidity	Insulated	35	7500	2.50E − 05
11	2500	Bare wood	36	7500	1.00E − 05
12	2500	1.00E − 04	37	7500	7.50E − 06
13	2500	7.50E − 05	38	7500	5.00E − 06
14	2500	5.00E − 05	39	7500	2.50E − 06
15	2500	2.50E − 05	40	7500	Insulated
16	2500	1.00E − 05	41	10,000	Bare wood
17	2500	7.50E − 06	42	10,000	1.00E − 04
18	2500	5.00E − 06	43	10,000	7.50E − 05
19	2500	2.50E − 06	44	10,000	5.00E − 05
20	2500	Insulated	45	10,000	2.50E − 05
21	5000	Bare wood	46	10,000	1.00E − 05
22	5000	1.00E − 04	47	10,000	7.50E − 06
23	5000	7.50E − 05	48	10,000	5.00E − 06
24	5000	5.00E − 05	49	10,000	2.50E − 06
25	5000	2.50E − 05	50	10,000	Insulated