## 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 159

ABSTRACT Initial results of an exploratory effort to recover first- and second-

order

TLP surge response are presented. The approach rests upon (1) the use of

higher ...

ABSTRACT Initial results of an exploratory effort to recover first- and second-

order

**wave**forces from time series records of**wave**-ampli tude**excitation**and theTLP surge response are presented. The approach rests upon (1) the use of

higher ...

Page 161

Sxx(n) is the wave input spectral moments matrix and Syx(n) is the wave- input/

TLP-response cross spectral moments ... Spectral moments up to fourth order are

required to properly describe the statistics of the

Sxx(n) is the wave input spectral moments matrix and Syx(n) is the wave- input/

TLP-response cross spectral moments ... Spectral moments up to fourth order are

required to properly describe the statistics of the

**wave excitation**and response.Page 199

The simulations include various slow motion hydro- dynamic forces such as a

drag coefficient depending on Kc number, a time varying wave drift damping, an

added mass change due to waves etc. as well as second order

The simulations include various slow motion hydro- dynamic forces such as a

drag coefficient depending on Kc number, a time varying wave drift damping, an

added mass change due to waves etc. as well as second order

**wave excitation**.### What people are saying - Write a review

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### Common terms and phrases

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