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Wave Kinematics and Environmental Forces

Papers presented at a conference organized by the Society for Underwater Technology and held in London, U.K., March 24–25, 1993

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Kurzbeschreibung

In determining the response of offshore structures, it is of utmost importance to determine, in the most correct manner, all factors which contribute to the total force acting on these structures. Applying the Morison formula (Morison et. al. , 1950) to calculate forces on offshore slender structures, uncertainties related to the understanding of the wave climate, the hydrodynamic force coefficients and the kinematics of ocean waves represent the most important contributions to the uncertainties in the prediction of the total forces on these structures (Haver and Gudmestad, 1992). Traditional calculation of forces on offshore structures involves the use of regular waves with the following non-linearities inco1porated use of regular wave theories inco1porating higher order terms use of Morison equation having a nonlinear drag term inclusion of the effect of the free surface by integrating all contributions to total forces and moments from the sea floor to the free surface of the waves In order to describe the sea more realistically, the ocean surface is to be described as an irregular sea surface represented by its energy spectrum. The associated decomposition of the sea surface is given as a linear sum of linear waves. The total force is found by integrating the contribution from all components in the wave spectrum to the free surface. The kinematics of each component must therefore be determined.

Details
Schlagworte

Titel: Wave Kinematics and Environmental Forces
Autoren/Herausgeber: Society for Underwater Technology (SUT) (Hrsg.)
Aus der Reihe: Advances in Underwater Technology, Ocean Science and Offshore Engineering
Ausgabe: 1993

ISBN/EAN: 9780792321842

Seitenzahl: 346
Format: 23,4 x 15,6 cm
Produktform: Hardcover/Gebunden
Gewicht: 1,500 g
Sprache: Englisch

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