WSEAS Transactions on Fluid Mechanics
Print ISSN: 1790-5087, E-ISSN: 2224-347X
Volume 13, 2018
Modeling of Internal Wave Impact on Hypothetical Pillars of Hydraulic Engineering Constructions in the Conditions of the Sakhalin Island Shelf
Authors: , , ,
Abstract: The velocity field induced by nonlinear internal waves generated by multicomponent barotropic tidal flow over topography for the conditions of the Sea of Okhotsk (South-East shelf of Sakhalin Island) is used to estimate dynamical loads on underwater vertical cylindrical parts of marine engineering structures. The intensity of lateral surface pressure and the rate inertia moment are expressed according to Morison’s formula for a cylidrical pile of 2.5 m diameter and 100 m height and computed as functions of time. They can reach values of 1.9·105 N and 10 MN∙m, respectively, during the flood phase of the tide.
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Keywords: Internal waves, drag force, inertial force, shear force, torque, load, Morison equation, near-bottom velocity, barotropic tide
Pages: 101-107
WSEAS Transactions on Fluid Mechanics, ISSN / E-ISSN: 1790-5087 / 2224-347X, Volume 13, 2018, Art. #13