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Numerical Modeling of Estuarine Training Structure Effects on Navigation Channel Performance

by David R. Richards, US Army Engineer Waterways, Experiment Station, Vicksburg, MS, USA,
Robert F. Athow, Jr., US Army Engineer Waterways, Experiment Station, Vicksburg, MS, USA,
Jerry L. Anderson, US Army Engineer Waterways, Experiment Station, Vicksburg, MS, USA,



Document Type: Proceeding Paper

Part of: Coastal Zone '87

Abstract:

A two-dimensional, vertically averaged, numerical modeling technique is presented to analyze estuarine training structure performance. The technique consists of using the US Army Corps of Engineers TABS-2 numerical modeling system with special emphasis on high-resolution grids and rigorous model verification procedures. Physical model experimental results are compared with the results obtained from the numerical model simulation for purposes of model verification. A typical estuarine reach of the Columbia River is simulated in the numerical model, modeling both impermeable and permeable dike fields. Excellent numerical simulation of the expected velocity fields was achieved. It is concluded that some secondary currents can be successfully simulated using the required resolution.

Subject Headings: Numerical models | Simulation models | Physical models | Structural models | Mathematical models | Estuaries | Verification | United States

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