A comparison study of one-and two-dimensional hydraulic models for river environments : technical summary.

Deal, Evan C.; Parr, A. David; Young, C. Bryan; University of Kansas

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A comparison study of one-and two-dimensional hydraulic models for river environments : technical summary.

2017-05-01
By Deal, Evan C. ; Parr, A. David ; Young, C. Bryan

[PDF-121.46 KB]

English

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Creators:

Deal, Evan C. ; Parr, A. David ; Young, C. Bryan

Deal, Evan C. ; Parr, A. David ; Young, C. Bryan Less -
Corporate Creators:

University of Kansas
Corporate Contributors:

Kansas. Dept. of Transportation. Bureau of Research
Subject/TRT Terms:

[+]

Bridges Flow Hydrologic Phenomena Mathematical Models Rivers Simulation Streamflow Two Dimensional Flow
Publication/ Report Number:

Report Number: KS-17-02
Resource Type:

Tech Report
Geographical Coverage:

Kansas
Corporate Publisher:

Kansas. Dept. of Transportation. Bureau of Research
Abstract:

Findings in this report include: differences in the flow divisions for multiple opening bridges for all

three models, less subjectivity in the construction of the 2D models than for the 1D, differences in the

sensitivity of each 2D model to the Manning’s roughness coefficient, great similarity in the expansion

and contraction rates at bridges for the 2D models when using the full momentum equations with HECRAS

2D, differences in the response of the two-dimensional models at steady state conditions to vortex

shedding through bridge openings with cylindrical piers, shorter computation times for HEC-RAS 2D

than SRH-2D using highly comparable model setups, and in general, higher depths predicted by SRH-

2D than HEC-RAS 1D but the highest depths overall predicted by the HEC-RAS 2D full momentum

model.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:a0c41e577894ebc82b34cae11a203588aa500a0f113ee47f82b6e2d44dbe643a
Download URL:

https://rosap.ntl.bts.gov/view/dot/32363/dot_32363_DS1.pdf
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A comparison study of one-and two-dimensional hydraulic models for river environments : technical summary.

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