Verification of a Three-Dimensional Numerical Hydrodynamic Model of the C&D Canal and Adjacent Estuaries

by B. B. Hsieh, US Army Engineer, Waterways Experiment Station, Vicksburg, United States,
B. H. Johnson, US Army Engineer, Waterways Experiment Station, Vicksburg, United States,
D. R. Richards, US Army Engineer, Waterways Experiment Station, Vicksburg, United States,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract:

A 3D hydrodynamic model of the C&D Canal and adjacent estuaries was developed by using the WES-CH3D code. CH3D uses a simplified second order vertical turbulence model based on the assumption of local equilibrium of turbulence. Computations are made on a boundary-fitted grid in the horizontal plane. The tidal elevations, tidal currents, and salinities are well-verified during a month long simulation of highly fluctuating flows. A number of sensitivity tests were conducted to improve the verification that was limited due to the uncertainty of tidal datums and salinity values at open boundaries.

Subject Headings: Three-dimensional models | Numerical models | Mathematical models | Tides | Hydrologic models | Canals | Verification | Delaware | United States

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