Loading on a fixed vertical slender cylinder in an oblique wave current field

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Conference23rd International Conference on Offshore Mechanics and Arctic Engineering, 20-25 June 2004, Vancouver, BC
SubjectWave-current interaction; Wave-current loading; Nonlinear 3D flow field; Vertical fixed slender cylinder
AbstractA study of the loading of an oblique wave-current field on a slender cylinder in a 3D flow frame is reported in this paper. The three dimensional expressions describing the characteristics of the combined wave-current field in terms of mass, momentum and energy flux conservation equations are formulated. The parameters before the interaction of the oblique wave-free uniform current and current-free waves are used to formulate the kinematics of the flow field. These expressions are also employed to formulate and calculate the loads imparted by the wave-current fluid flow on a bottom mounted slender vertical cylinder. A comparison of the obtained results due to the present model to those obtained using three other models being used in the offshore industry is shown for a range of the normalized current parameters. One of these three models is proposed by the American Petroleum Institute (API), which is based on a superposition principle. Morison et al equation is deployed for the load computations in all cases. Comparisons among the obtained results in a normalized manner are shown and discussed.
Publication date
AffiliationNRC Institute for Ocean Technology; National Research Council Canada
Peer reviewedNo
NRC number6067
NPARC number8895818
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Record identifierc986f223-7d5c-4850-a399-e5de535acd47
Record created2009-04-22
Record modified2016-05-09
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