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Keywords: sea state
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Proceedings Papers

Paper presented at the The First ISOPE European Offshore Mechanics Symposium, August 20–22, 1990
Paper Number: ISOPE-E-90-026
... the time domain approach. The ocean environment is represented by a number of sea states, and the line tension response statistics in each sea states is studied. The study addresses the non-Gaussian response characteristics. It is shown that, due to the nonlinearity, the line tension response is non...
Proceedings Papers

Paper presented at the The First ISOPE European Offshore Mechanics Symposium, August 20–22, 1990
Paper Number: ISOPE-E-90-017
... process, which is also homogeneous in the horizontal space parameters. displacement cross-spectral density equivalent linear expansion equation sea state mean square procedure expansion coefficient offshore structure coefficient drag term cylinder variance expansion equivalent cubic...
Proceedings Papers

Paper presented at the The First ISOPE European Offshore Mechanics Symposium, August 20–22, 1990
Paper Number: ISOPE-E-90-027
...) is used with a multi-linear SoN fatigue model. This model can also be used for a nonlinear fatigue model applying a piecewise linear approximation. Formulation of the mean damages in short-term and long-term sea states are presented in general. For a linear SoN model the customarily known damage...
Proceedings Papers

Paper presented at the The First ISOPE European Offshore Mechanics Symposium, August 20–22, 1990
Paper Number: ISOPE-E-90-003
... and fatigue life can be estimated along the lines reviewed into some detail in Haver and Natvig (1990). frequency maximum value response calculation short crested sea 100-year value sea state crested sea fatigue life spectra independent exponent long crested sea exponent main wave...
Proceedings Papers

Paper presented at the The First ISOPE European Offshore Mechanics Symposium, August 20–22, 1990
Paper Number: ISOPE-E-90-034
... as a weighted sum of the short term distributions for all possible sea states. Thus the probabilities of exceedance from the various sea states are properly accounted for and the problem of selecting a consistent set of design storms is avoided. From the marginal distribution function, the fatigue life...
Proceedings Papers

Paper presented at the The First ISOPE European Offshore Mechanics Symposium, August 20–22, 1990
Paper Number: ISOPE-E-90-014
... oil & gas bearman deep-draught floater drag coefficient calculation transfer function flow separation sea state procedure wave diffraction theory low-frequency motion assumption sarpkaya cylinder Ploceedzngs afthe Fllst (1990) EUiopean OffshOie MeLharn(s Symposium TlOndhe,m, NOI...
Proceedings Papers

Paper presented at the The First ISOPE European Offshore Mechanics Symposium, August 20–22, 1990
Paper Number: ISOPE-E-90-049
... & gas sea state water depth failure mode uncertalnty loadlng load effect load factor variability table 15 procedure displacement pipeline dlstrlbutlon limit state method 1 sotberg glven PU)( eedmg' of Ihe FII sl (1990) Ew opean Offshm e MechanIC' SymposIUm TJOndhelm,NOIway, 20·22...
Proceedings Papers

Paper presented at the The First ISOPE European Offshore Mechanics Symposium, August 20–22, 1990
Paper Number: ISOPE-E-90-040
... of this method is given in the following. For a description of reliability methods m general see [7,8,23) spectrum reserves evaluation sea state statistics norway platform design simulation extreme value distribution seastate probability axial force upstream oil & gas jack-up platform...

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