Developing Guidelines for Two-Dimensional Model Review and Acceptance: Final Report

Homan, Joel; Toniolo, Horacio; University of Alaska Fairbanks. Water and Environmental Research Center

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Developing Guidelines for Two-Dimensional Model Review and Acceptance: Final Report

2018-01-01
By Homan, Joel ; Toniolo, Horacio

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English

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Details:

Creators:

Homan, Joel ; Toniolo, Horacio

Homan, Joel ; Toniolo, Horacio Less -
Corporate Creators:

University of Alaska Fairbanks. Water and Environmental Research Center
Corporate Contributors:

Alaska. Department of Transportation and Public Facilities. Research, Development, and Technology Transfer ; University of Alaska Fairbanks. Center for Environmentally Sustainable Transportation in Cold Climates ; United States. Federal Highway Administration

Alaska. Department of Transportation and Public Facilities. Research, Development, and Technology Transfer ; University of Alaska Fairbanks. Center for Environmentally Sustainable Transportation in Cold Climates ; United States. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

2D Hydraulic Modeling Computer Models Engineering Guidelines Hydraulics Model Review Guidelines Rivers Training Programs
Publication/ Report Number:

Report INE/AUTC 18.01 ; CESTiCC Project #1506

Report INE/AUTC 18.01 ; CESTiCC Project #1506 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States ; Alaska

United States ; Alaska Less -
TRIS Online Accession Number:

01661699
Edition:

Final Report
Corporate Publisher:

University of Alaska Fairbanks. Center for Environmentally Sustainable Transportation in Cold Climates
Abstract:

Two independent modelers ran two hydraulic models, SRH-2D and HEC-RAS 2D. The models were applied to the Lakina River (MP 44 McCarthy Road) and to Quartz Creek (MP 0.7 Quartz Creek Road), which approximately represent straight and bend flow conditions, respectively. We compared the results, including water depth, depth averaged velocity, and bed shear stress, from the two models for both modelers. We found that the extent and density of survey data were insufficient for Quartz Creek. Neither model was calibrated due to the lack of basic field data (i.e., discharge, water surface elevation, and sediment characteristics). Consequently, we were unable to draw any conclusion about the accuracy of the models. Concerning the time step and the equations used (simplified or full) to solve the momentum equation in the HEC-RAS 2D model, we found that the minimum time step allowed by the model must be used if the diffusion wave equation is used in the simulations. A greater time step can be used if the full momentum equation is used in the simulations. We developed a set of guidelines for reviewing model results, and developed and provided a two-day training workshop on the two models for ADOT&PF hydraulic engineers.
Format:

PDF
Collection(s):

University Transportation Centers US Transportation Collection
Main Document Checksum:

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urn:sha256:6051dd0c45dff918633be45e638b220f23a0beafa08f1939f7fdc15ff8857fef
Download URL:

https://rosap.ntl.bts.gov/view/dot/36333/dot_36333_DS1.pdf
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Developing Guidelines for Two-Dimensional Model Review and Acceptance: Final Report

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