## 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 136

An example of

Figure 15. The

are in ovei —

An example of

**estimated**wave forces in the manner described above is shown inFigure 15. The

**estimated**wave forces without a circulation shown in Figure 16are in ovei —

**estimated**at the moment of large wave amplitude. The**estimated**...Page 168

The set {fii, • • • , anA, b0, □ • • , b„B] contains the parameters of the process

vessel response to the random sea waves, is generated by a predictor in Fig.

The set {fii, • • • , anA, b0, □ • • , b„B] contains the parameters of the process

**estimated**by the RLS algorithm at time ndt. yr(n + p), the p- step-ahead predictedvessel response to the random sea waves, is generated by a predictor in Fig.

Page 244

RESULTS Systematic Deviation Between Fatigue Damage

and Nonlinear Methods Fatigue damage is first

for the scatter diagram in Table 1 with a Jonswap type of model spectrum.

RESULTS Systematic Deviation Between Fatigue Damage

**Estimated**bv Linearand Nonlinear Methods Fatigue damage is first

**estimated**by the linear methodfor the scatter diagram in Table 1 with a Jonswap type of model spectrum.

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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