Three-Dimensional Circulation Modeling of the Coastal and Ocean Environments

by Keh-Han Wang, Univ of Houston, Houston, United States,

Document Type: Proceeding Paper

Part of: Civil Engineering in the Oceans V


Incursion of the loop current, a meandering feature of Gulf of Mexico large-scale circulation, may produce large hydrodynamic forces on the offshore structures. The present study is to develop a curvilinear three-dimensional multi-layered hydrodynamic model to predict the overall circulation process and movement of the loop current. The interactions between loop current and other ocean environmental factors are also studied. This model solves full Navier-Stokes equations in a curvilinear-grid system, where the nonlinear, diffusion, baroclinic and coriolis terms are included. The influences of wind stresses, tides, stratification, bathymetry and the existing offshore structures are considered in this model. The model is calibrated by comparing with the field measurements at several water bodies.

Subject Headings: Three-dimensional models | Water circulation | Ocean engineering | Structural models | Hydrologic models | Offshore structures | Ocean currents | Hydrodynamics | Gulf of Mexico | Mexico

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