The S-N method of fatigue life assessment is stress based, and
is only fully applicable to cyclic
stresses in the elastic range. However, in offshore installations
the presence of stress
concentrations at nodes and other connections can, in some
circumstances, lead to cyclic
stresses that exceed the yield stress of the material locally. This
study is aimed at reviewing the
current status of design advice and more recent experimental data
with the objective of
evaluating the treatment of high stress ranges.
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