Loading due to interaction of waves with colinear and oblique currents

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DOIResolve DOI: http://doi.org/10.1016/j.oceaneng.2014.02.005
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Journal titleOcean Engineering
Pages111; # of pages: 11
Subject3D wave-current field; Superposition model; Wave–current loading; Moments
AbstractA study on the loading of an oblique surface wave and a surface current field on a fixed vertical slender cylinder in a 3D flow frame is illustrated in the present 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 wave 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 combined flow on a bottom mounted slender vertical cylinder. In the present study two different situations are assumed where current is uniform over depth and also acting over a layer of fluid that extends from the free surface to a specified finite depth. In this paper we extend the approach considered in Zaman and Baddour (2004) for the wave-current analysis. Morison et al. (1950) equation is deployed for the load computations in all cases. The above models are utilized to compute the loads and moments on a slender cylinder for a wave with varying range of incidence current field.
Publication date
AffiliationOcean, Coastal and River Engineering; National Research Council Canada
Peer reviewedYes
NRC numberOCRE-PR-2014-003
NPARC number21272743
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Record identifier6983cda3-0601-4456-a145-4e26917faa74
Record created2014-12-03
Record modified2016-05-09
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