... system orientation order element coefficient friction stress amplitude cpu time upstream oil & gas stress coefficient controls and umbilicals mechanical stress global analysis order stress hysteresis stress range local analysis curvature fatigue damage st order helix fatigue life...

... by a factor of 10 if internal friction is considered in the calculations. The significance of internal friction and its negative impact on fatigue performance can also increase with water depth. friction stress amplitude cross-section subsea system artificial intelligence fatigue damage upstream...