Orcaflex:
(half the pipe diameter) / (radius of curvature)
Abaqus thin pipe:
(pipeline MR) / Radius_of_curvature
pipeline MR = (half the pipe diameter - t/2)
Abaqus thick pipe:
inner fibre/mean/outer fibre has 3 level of strains:
(half the pipe diameter - t) / Radius_of_curvature
(pipeline MR) / Radius_of_curvature
(half the pipe diameter) / Radius_of_curvature
A sample case of rotate and then release looks like this:
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