Issue 59
M. Seguini et al, Frattura ed Integrità Strutturale, 59 (2022) 18-34; DOI: 10.3221/IGF-ESIS.59.02
25
Data Fit Y = T
Data Fit Y = T
35
20
30
25
15
20
10
15
10
5
R=0.99907
R=0.91256
5
5
10
15
20
25
5 10 15 20 25 30 35 Target
Target
HLS =8
HLS =10
HLS =12
Figure 16: Regression with different Hidden layer sizes (HLS). Beam I
Data Fit Y = T
Data Fit Y = T
5 10 15 20 25 30 35
5 10 15 20 25 30 35
R=0.99805
R=0.99982
10
20
30
10
20
30
Target
Target
HLS =8
HLS =10
HLS =12
Figure 17: Regression with different Hidden layer sizes (HLS). Beam II
Based on the results in Figs. 16-17 the best regression can be found when HLS is 8 for beam I. And 10 for beam II. The estimated results can be summarized in Tab. 11.
ACTUAL CRACK LENGTH
B EAM
N HLS =8
N HLS =10
N HLS =12
C ASE 1: 4-4
3.80911 9.54634 19.86071 7.807456 15.32850 24.90070
3.614833 9.710795 19.53756 8.18362 15.22022 25.19147
3.84674 9.66756
C ASE 2: 10-10 C ASE 3: 20-20
1
19.848808 8.93587 15.47560 25.11821
C ASE 4: 8 C ASE 5: 15 C ASE 6: 25
2
Table 11: Exact and estimated results using different HLS for a beam I and II.
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