Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 57
Because of its efficienoy , the frequency doma in approach is widely used in the
estimation of force coefficients for vertical cylinders . The frequency doma in
method includes both auto spootrum and cross spectrum methods .
INTRODUCTION ...
Because of its efficienoy , the frequency doma in approach is widely used in the
estimation of force coefficients for vertical cylinders . The frequency doma in
method includes both auto spootrum and cross spectrum methods .
INTRODUCTION ...
Page 40
The choice between the equivalent block loading approach and the equivalent
stress range approach should be based the number of stress spectra to be
analysed . If there are more than 20 spectra and the r.m.s values of these spectra
are ...
The choice between the equivalent block loading approach and the equivalent
stress range approach should be based the number of stress spectra to be
analysed . If there are more than 20 spectra and the r.m.s values of these spectra
are ...
Page 307
This approach brings technical requirements , economic constraints and social
considerations together in the decision making process . A lifetime cost model for
jacket structures is discussed , and it contains cost components incurred in initial
...
This approach brings technical requirements , economic constraints and social
considerations together in the decision making process . A lifetime cost model for
jacket structures is discussed , and it contains cost components incurred in initial
...
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Contents
Simulation of Hurricane Seas in a Multidirectional Wave Basin | 17 |
HYDRODYNAMIC FORCES | 47 |
The Force Coefficients on Inclined Cylinder in Random Wave and Current | 57 |
Copyright | |
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acting added mass amplitude analysis applied array assumed body boundary calculated circular coefficient compared comparison component considered constant corresponding crest cylinder damping defined dependent depth determined direction distribution domain drag drift dynamic effect element elevation Engineering equation estimated experimental experiments expressed Figure flow fluid forward speed frequency function given heave horizontal hydrodynamic increase integral irregular length lift force linear load maximum mean measured method mooring motion nonlinear obtained Offshore oscillation parameters period phase pile plate potential predicted present pressure problem radiation range ratio reference regular waves relative respectively response riser second-order ship shown shown in Fig simulation solution spectra spectrum structure surface surge Table theory velocity vertical vessel wave force wave height wind