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Keywords: irregular sea
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 1989
Paper Number: OTC-6134-MS
...aTe 6134 Spectral Decomposition of Nonlinear TLP Sway Response to Non-Gaussian Irregular Seas by S.B. Kim, E.J. Powers, and R.W. Miksad, U. of Texas; F.J. Fischer, Shell Development Co.; and J.Y. Hong, Intelligent Signal Processing Copyright 1989, Offshore Technology Conference This paper...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 1983
Paper Number: OTC-4489-MS
... low-frequency nonlinear drift force application wave envelope nonlinear drift force spectrum frequency complex demodulation technique digital complex demodulation technique spectral density sea wave input demodulation linear transfer function drift force sway response irregular sea...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 1982
Paper Number: OTC-4230-MS
.... The model scale was 1:65 and the model was moored with eight catenary mooring lines. culated for a number of regular waves. The motions in irregular seas, in a wave spectrum are then predicted using the superposition technique introduced by St Denis and Pierson [2] assuming that the motions are linearly...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 1981
Paper Number: OTC-4074-MS
... described. The results of the calculations are presented for a tension leg platform operating in a water depth of 450 m. Also model tests were conducted both in regular and irregular seas. The results of the model tests were used to judge the applicability of the computation method. irregular sea...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 1980
Paper Number: OTC-3778-MS
... investigated employ either linearized, frequency domain solution, or time integration techni- ques with varying degrees of non-linearities included and for either regular waves or irregular sea. The methods to be used for the comparison with measured data are discussed in connection with test runs...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 1979
Paper Number: OTC-3626-MS
... and a second order force. The latter component, often cal- led the wave drift force, is when no hydrodynamic interaction with other structures are present, treat- ed as a constant force in regular waves and as a slowly varying force in irregular seas. The first order wave forces are of such magni- tUdes...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–7, 1974
Paper Number: OTC-2040-MS
... structures very often the study of motions and forces is made on the basis of one single regular wave whose properties are believed to be equivalent to those of an irregular sea irregular wave concept). To investigate the merits of the regular wave concept, the motions of a semi submersible and two supply...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 2, 1972
Paper Number: OTC-1627-MS
... are small, except in the region of resonance. Heave, or vertical motion, response has a hump in important short-period waves, which contain most energy when irregular seas are considered. Therefore, minimization of this hump will directly improve performance', a fact which can be substantiated...

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