PSI - Issue 28

Romanin Luca et al. / Procedia Structural Integrity 28 (2020) 171–179 Author name / Structural Int grity Procedia 00 (2019) 000–0 0

177

7

0 0,5 1 1,5 2 2,5 3 3,5 4 4,5 5

Specimen 1 Specimen 2

‐250 ‐200 ‐150 ‐100 ‐50 Out of Plane Deformation [mm]

0

50 100 150 200 250

X [mm]

Fig. 9. Comparison of the flange out of plane displacements between 2D numerical cases and the first two specimen

250

200

150

Specimen 1 Specimen 2

100

Y [mm]

50

0

‐4

‐3

‐2

‐1

0

Out of Plane Deformation [mm]

Fig. 10. Comparison of the web out of plane displacements between 2D numerical cases and the first two specimen The inverse analysis was performed assuming an auxiliary element with a thickness of 1/5t, a bilinear material behaviour with an hardening of E/100.

Table 1. Equivalent loads from inverse analysis. Flange Left

Flange Right

Web

ϵ

ΔT [°C/mm]

ϵ

ΔT [°C/mm]

ϵ

ΔT [°C/mm]

Test 1 Test 2

0,011507 0,011502

‐90558,6 ‐90550,2

0,011507 0,011502

‐90150,8 ‐90561,5

0,011495 0,011495

113148,6 112360,9