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 journalArticle

7 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 languageEnglish
Pages (from-to)892-899
Number of pages8
JournalUrban Water Journal
Volume14
Issue number9
Early online date20 Feb 2017
DOIs
Publication statusPublished - 21 Oct 2017
Externally publishedYes

Fingerprint

natural disaster
floodplain
shallow-water equation
inflow
calibration
water
interaction
modeling
evidence

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

Cite this

Martins, R., Kesserwani, G., Rubinato, M., Lee, S., Leandro, J., Djordjević, S., & Shucksmith, J. D. (2017). Validation of 2D shock capturing flood models around a surcharging manhole. Urban Water Journal, 14(9), 892-899. https://doi.org/10.1080/1573062X.2017.1279193

Validation of 2D shock capturing flood models around a surcharging manhole. / Martins, Ricardo; Kesserwani, G.; Rubinato, M.; Lee, Seungsoo; Leandro, Jorge; Djordjević, Slobodan; Shucksmith, J. D.

In: Urban Water Journal, Vol. 14, No. 9, 21.10.2017, p. 892-899.

Research output: Contribution to journalArticle

Martins, R, Kesserwani, G, Rubinato, M, Lee, S, Leandro, J, Djordjević, S & Shucksmith, JD 2017, 'Validation of 2D shock capturing flood models around a surcharging manhole' Urban Water Journal, vol. 14, no. 9, pp. 892-899. https://doi.org/10.1080/1573062X.2017.1279193
Martins, Ricardo ; Kesserwani, G. ; Rubinato, M. ; Lee, Seungsoo ; Leandro, Jorge ; Djordjević, Slobodan ; Shucksmith, J. D. / Validation of 2D shock capturing flood models around a surcharging manhole. In: Urban Water Journal. 2017 ; Vol. 14, No. 9. pp. 892-899.
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