Validation of 2D shock capturing flood models around a surcharging manhole

Ricardo Martins; G. Kesserwani; M. Rubinato; Seungsoo Lee; Jorge Leandro; Slobodan Djordjević; J. D. Shucksmith

doi:10.1080/1573062X.2017.1279193

Validation of 2D shock capturing flood models around a surcharging manhole

Ricardo Martins, G. Kesserwani, M. Rubinato, Seungsoo Lee, Jorge Leandro, Slobodan Djordjević, J. D. Shucksmith

Research output: Contribution to journal › Article › peer-review

28 Citations (Scopus)

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Abstract

This work offers a detailed validation of finite volume (FV) flood models in the case where horizontal floodplain flow is affected by sewer surcharge flow via a manhole. The FV numerical solution of the 2D shallow water equations is considered based on two approximate Riemann solvers, HLLC and Roe, on both quadrilateral structured and triangular unstructured mesh-types. The models are validated against a high resolution experimental data-set obtained using a physical model of a sewer system linked to a floodplain via a manhole. It was verified that the sensitivity of the models is inversely proportional to the surcharged flow/surface inflow ratio, and therefore requires more calibration from the user especially when concerned with localised modelling of sewer-to-floodplain flow. Our findings provide novel evidence that shock capturing FV-based flood models are applicable to simulate localised sewer-to-floodplain flow interaction.

Original language	English
Pages (from-to)	892-899
Number of pages	8
Journal	Urban Water Journal
Volume	14
Issue number	9
Early online date	20 Feb 2017
DOIs	https://doi.org/10.1080/1573062X.2017.1279193
Publication status	Published - 21 Oct 2017
Externally published	Yes

Bibliographical note

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution,
and reproduction in any medium, provided the original work is properly cited.

Keywords

Floodplain flow
approximate Riemann solvers
dual drainage experiments
quadrilateral vs triangular meshes
sewer overflow
shallow water equations

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10.1080/1573062X.2017.1279193Licence: CC BY

PublishedFinal published version, 2.33 MBLicence: CC BY
Validation of 2D shock capturing flood models around a surcharging manhole URBAN WATER JOURNALFinal published version, 2.08 MBLicence: CC BY

Cite this

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title = "Validation of 2D shock capturing flood models around a surcharging manhole",

abstract = "This work offers a detailed validation of finite volume (FV) flood models in the case where horizontal floodplain flow is affected by sewer surcharge flow via a manhole. The FV numerical solution of the 2D shallow water equations is considered based on two approximate Riemann solvers, HLLC and Roe, on both quadrilateral structured and triangular unstructured mesh-types. The models are validated against a high resolution experimental data-set obtained using a physical model of a sewer system linked to a floodplain via a manhole. It was verified that the sensitivity of the models is inversely proportional to the surcharged flow/surface inflow ratio, and therefore requires more calibration from the user especially when concerned with localised modelling of sewer-to-floodplain flow. Our findings provide novel evidence that shock capturing FV-based flood models are applicable to simulate localised sewer-to-floodplain flow interaction.",

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author = "Ricardo Martins and G. Kesserwani and M. Rubinato and Seungsoo Lee and Jorge Leandro and Slobodan Djordjevi{\'c} and Shucksmith, {J. D.}",

note = "This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. ",

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doi = "10.1080/1573062X.2017.1279193",

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AU - Martins, Ricardo

AU - Kesserwani, G.

AU - Rubinato, M.

AU - Lee, Seungsoo

AU - Leandro, Jorge

AU - Djordjević, Slobodan

AU - Shucksmith, J. D.

N1 - This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

PY - 2017/10/21

Y1 - 2017/10/21

N2 - This work offers a detailed validation of finite volume (FV) flood models in the case where horizontal floodplain flow is affected by sewer surcharge flow via a manhole. The FV numerical solution of the 2D shallow water equations is considered based on two approximate Riemann solvers, HLLC and Roe, on both quadrilateral structured and triangular unstructured mesh-types. The models are validated against a high resolution experimental data-set obtained using a physical model of a sewer system linked to a floodplain via a manhole. It was verified that the sensitivity of the models is inversely proportional to the surcharged flow/surface inflow ratio, and therefore requires more calibration from the user especially when concerned with localised modelling of sewer-to-floodplain flow. Our findings provide novel evidence that shock capturing FV-based flood models are applicable to simulate localised sewer-to-floodplain flow interaction.

AB - This work offers a detailed validation of finite volume (FV) flood models in the case where horizontal floodplain flow is affected by sewer surcharge flow via a manhole. The FV numerical solution of the 2D shallow water equations is considered based on two approximate Riemann solvers, HLLC and Roe, on both quadrilateral structured and triangular unstructured mesh-types. The models are validated against a high resolution experimental data-set obtained using a physical model of a sewer system linked to a floodplain via a manhole. It was verified that the sensitivity of the models is inversely proportional to the surcharged flow/surface inflow ratio, and therefore requires more calibration from the user especially when concerned with localised modelling of sewer-to-floodplain flow. Our findings provide novel evidence that shock capturing FV-based flood models are applicable to simulate localised sewer-to-floodplain flow interaction.

KW - Floodplain flow

KW - approximate Riemann solvers

KW - dual drainage experiments

KW - quadrilateral vs triangular meshes

KW - sewer overflow

KW - shallow water equations

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DO - 10.1080/1573062X.2017.1279193

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EP - 899

JO - Urban Water Journal

JF - Urban Water Journal

IS - 9

ER -

Validation of 2D shock capturing flood models around a surcharging manhole

Abstract

Bibliographical note

Keywords

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