PSI - Issue 60

9

Balaji Srinivasan et al. / Procedia Structural Integrity 60 (2024) 418–432 Balaji Srinivasan et al. / Structural Integrity Procedia 00 (2019) 000 – 000

426

Table 7: Comparison of STP, FEA and Predicted Stresses – Membrane plus bending Stresses

DĂdžŝŵƵŵ ^ƵƌĨĂĐĞ ^ƚƌĞƐƐ͕ W>нWď нWY ;DWĂͿ

/ŶƐŝĚĞ ^ƵƌĨĂĐĞ

KƵƚƐŝĚĞ ^ƵƌĨĂĐĞ

ĂƐĞ EŽ͘

,ĞĂĚĞƌ

ƌĂŶĐŚ

,ĞĂĚĞƌ

ƌĂŶĐŚ

^dW & WƌĞĚ

^dW & WƌĞĚ ^dW & WƌĞĚ ^dW & WƌĞĚ ϲϲϯ ϰϴϮ ϲϴϵ ϰϬϵ ϯϭϲ ϯϴϳ ϳϱϱ ϰϭϲ ϲϮϳ ϰϬϭ Ϯϲϴ ϰϮϱ Ϯϯϲ ϭϴϭ Ϯϰϳ ϯϵϰ Ϯϯϵ ϰϭϮ ϯϮϳ Ϯϭϰ ϯϮϴ ϭϵϵ ϭϰϴ ϭϵϴ ϯϮϵ Ϯϭϰ ϯϯϮ

ϭ Ϯ ϯ

ϰϰϲ ϯϯϱ Ϯϲϯ ϭϵϱ ϮϮϱ ϭϲϰ

ϰϬϯ Ϯϲϭ Ϯϭϱ

ϰ ϱϬϮ ϯϰϱ ϰϮϬ͘ ϲ ϵϯϲ ϲϰϮ ϳϱϭ ϰϱϬ ϯϱϵ ϰϭϬ ϵϳϲ ϱϴϮ ϲϵϭ ϱ ϰϮϲ ϯϭϴ ϰϬϭ ϱϲϯ ϯϵϱ ϰϵϴ ϯϵϭ ϮϵϮ ϯϳϲ ϲϮϳ ϯϯϭ ϰϯϲ ϲ ϰϭ ϭϰϯ ϭϳϮ ϰϭ ϭϳϴ ϮϮϱ ϰϭ ϭϮϰ ϭϰϲ ϰϭ ϮϮϴ Ϯϯϱ ϳ ϭϳ ϮϮ Ϯϳ ϭϳ ϲϲ ϰϭ ϭϳ ϭϯ ϭϵ ϭϳ ϰϲ ϯϱ ϴ ϯϱϯ Ϯϲϴ ϯϳϯ ϰϯϬ Ϯϲϭ ϯϲϭ Ϯϵϱ Ϯϰϱ ϯϱϰ ϯϬϱ ϮϬϮ Ϯϵϯ ϵ ϯϭϬ ϮϬϮ ϯϮϮ ϯϮϲ ϭϴϱ Ϯϵϯ ϮϳϬ ϭϵϱ ϯϭϴ ϭϵϭ ϭϯϮ ϮϮϳ ϭϬ ϯϳϴ ϯϭϬ ϯϲϬ ϭϬϰ ϯϴ ϭϬϯ Ϯϯϱ ϭϯϰ Ϯϭϯ ϭϬϯ ϭϯ ϭϱ ϭϭ ϭϬϮ ϯϬϬ ϯϲϲ ϭϬϮ ϯϲ ϰϱ ϭϬϮ ϭϭϵ ϮϮϭ ϭϬϮ ϭϮ ϭϲ

Local Membrane Stress (MPa) - HEADER

Local Membrane Stress (MPa) - HEADER

100 150 200 250 300 350

100 150 200 250 300 350 400 450

0 50

0 50

1 2 3 4 5 8 9 10

6

7

11

STP FEA Pred

FEA Pred

Fig. 6. STP vs FEA vs Predicted Membrane Stress - Header (Within STP Limits) and FEA vs Predicted Membrane Stresses (Beyond STP Limits)

Local Membrane Stress (MPa) - BRANCH

Local Membrane Stress (MPa) - BRANCH

100 150 200 250 300 350

100 150 200 250 300 350 400

0 50

0 50

6

7

11

1 2 3 4 5 8 9 10

STP FEA Pred

FEA Pred

Fig. 7. STP vs FEA vs Predicted Membrane Stress – Branch (Within STP Limits) and FEA vs Predicted Membrane Stress (Beyond STP Limits)