## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1990 - Offshore structures |

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Page 208

The magnitude of £2p results from the uncertainty in the fatigue behavior of the

resulting from simulations includes not only the variation in material properties cp

, but ...

The magnitude of £2p results from the uncertainty in the fatigue behavior of the

**notch**-root material (oj). The uncertainty of the material property factor (£2p)resulting from simulations includes not only the variation in material properties cp

, but ...

Page 227

3 Variation of crack opening stress within the

1988). Kop ~ I1 " (□/apz)]Kmln for a < apz - 0 for a > apz (7) where apz is the

weld

3 Variation of crack opening stress within the

**notch**plastic zone, Akiniwa et al. (1988). Kop ~ I1 " (□/apz)]Kmln for a < apz - 0 for a > apz (7) where apz is the

weld

**notch**plastic zone size. An effective stress intensity factor ratio U has been ...Page 267

NOMENCLATURE Symbol Term St A measure of the proximity to failure by

plastic collapse (ratio between net section and flow stress) p Plasticity correction

factor v Distance between centre of

of ...

NOMENCLATURE Symbol Term St A measure of the proximity to failure by

plastic collapse (ratio between net section and flow stress) p Plasticity correction

factor v Distance between centre of

**notch**tip zone and centre of LBZ, mm w Widthof ...

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added mass amplitude analysis array calculated circular cylinder component crest damping coefficient direction displacement distribution domain drag coefficient drag force drillship dynamic effect element equation estimated flexible riser floating flow fluid force coefficients forces acting foroe forward speed free surface heave horizontal hydrodynamic hydrodynamic forces incident wave integral irregular Kc number lift force linear load low-frequency low-frequency oscillation matrix maximum measured method mooring line motion nonlinear obtained Offshore Mechanics Offshore Structures Offshore Technology Conference oscillation oscillatory parameters pile plate prediction pressure problem ratio Rayleigh distribution regular waves response Reynolds number Sarpkaya seastates second-order semisubmersible ship shown in Figure simulation solution spectra spectrum surge tension transfer function transverse vector velocity potential vertical viscous vortex vortex shedding vortices water depth wave amplitude wave excitation wave force wave frequency wave height wave number wave period wave power