NavTEL: Open-Source Decision Support Tool for Ship Routing and Underkeel Clearance Management in Estuarine Channels

Abstract NavTEL is a new decision support tool for the short-term (36 h) planning of ship routes and the management of underkeel clearance in estuarine navigation channels. NavTEL uses a deterministic method and is coupled with the TELEMAC-MASCARET system for numerical modeling of hydrodynamic and s...

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Bibliographic Details
Published in:Journal of waterway, port, coastal, and ocean engineering port, coastal, and ocean engineering, 2021-03, Vol.147 (2)
Main Authors: Orseau, Sylvain, Huybrechts, Nicolas, Tassi, Pablo, Kaidi, Sami, Klein, Fabrice
Format: Article
Language:English
Subjects:
Bed roughness
Brackishwater environment
Cargo ships
Channels
Clearances
Coefficient of friction
Coefficients
Container ships
Decision support systems
Engineering Sciences
Estuaries
Estuarine dynamics
Hydrodynamics
Mathematical models
Modular structures
Navigation
Numerical prediction
Numerical simulations
Open source software
River discharge
Routing
Sediment transport
Ship routeing
Ship routing
Ships
Simulation
Storm forecasting
Storm surge prediction
Storm surges
Storms
Technical Papers
Water levels
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Summary:Abstract NavTEL is a new decision support tool for the short-term (36 h) planning of ship routes and the management of underkeel clearance in estuarine navigation channels. NavTEL uses a deterministic method and is coupled with the TELEMAC-MASCARET system for numerical modeling of hydrodynamic and sediment transport in the estuary with a two-dimensional approach. In its present version, NavTEL allows (i) daily simulations to be automatically prepared and launched; and (ii) simulation outputs to be postprocessed to find the safest ship route and to predict underkeel clearances at specified locations. As the reliability of the results relies on the accuracy of water-level predictions, numerical simulations were performed with measured river discharges, storm surge forecasts, and time-varying friction coefficients for bed roughness. Even though NavTEL was initially developed for the Atlantic Port of Bordeaux located in the Gironde Estuary, its kernel has a modular structure allowing the tool to be adjusted to different port configurations and types of water bodies. Finally, examples of graphical outputs and reports generated by NavTEL are shown for an application of a container ship coming into the port of Bordeaux.
ISSN:0733-950X
1943-5460
DOI:10.1061/(ASCE)WW.1943-5460.0000610