PSI - Issue 57

Inge Lotsberg et al. / Procedia Structural Integrity 57 (2024) 569–580 Author name / Structural Integrity Procedia 00 (2019) 000 – 000

576

8

1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0

Analysis no 1 Analysis no 2 Analysis no 3 Analysis no 4

Stress (MPa)

0

10

20

30

40

50

Distance from hot spot (mm)

Fig. 7. Calculated stresses at the hot spot area.

Table 3. Calculated stress through the plate thickness at hot spot Distance from surface (mm) Analysis no 1 (MPa) Analysis no 2 (MPa)

Analysis no 3 (MPa)

0.0 2.5 5.0 7.5

1.488

1.883 1.294 1.006 0.996 0.987 0.973 0.960 0.933 0.905

1.927 1.306 0.967 0.972 0.982 0.972 0.962 0.938 0.913

10.0 12.5 15.0 17.5 20.0

1.031

0.860

1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0

FE analysis Quad extrapolation 3 P Quad extrapolation 4 P Quad extrapolation 5 P

Stress (MPa)

0

5

10 15 20 25 30 35 40 45 50

Distance from hot spot (mm)

Fig. 8. Calculated hot spot stress by quadratic extrapolation.