Stress increase factor and flexibility factor for large-diameter elbows with D/t>100
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For the calculation of the stress increase factor and flexibility factor for elbows in B31.3, the pipeline is required to meet the criterion of D/t ≥ 100). What standards or specifications should be used to calculate the stress increase factor and flexibility factor for elbows?
It is best to obtain the results using 3D finite element software.
Can FE/PIPE be used? Ask the boss
The calculation of the stress increase factor and flexibility factor for elbows in B31 is intended for thick-walled pipes; B31 does not support calculations for thin-walled pipes. I hope someone experienced can provide an answer.