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Review of Historical Dam-Break Events and Laboratory Tests on Real Topography for the Validation of Numerical Models

Water (Basel), 2021-07, Vol.13 (14), p.1968 [Peer Reviewed Journal]

2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 2073-4441 ;EISSN: 2073-4441 ;DOI: 10.3390/w13141968

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  • Title:
    Review of Historical Dam-Break Events and Laboratory Tests on Real Topography for the Validation of Numerical Models
  • Author: Aureli, Francesca ; Maranzoni, Andrea ; Petaccia, Gabriella
  • Subjects: Catastrophic events ; Computer applications ; Dam failure ; dam-break modelling ; Dams ; Data ; Datasets ; Field tests ; Flood hazards ; Flood predictions ; Flood waves ; Flooded areas ; Flooding ; Floods ; historical dam-break events ; Laboratories ; Laboratory tests ; Mathematical models ; Mitigation ; Model accuracy ; Numerical models ; real topography ; real-field test cases ; Risk management ; Robustness (mathematics) ; validation of numerical models ; Water depth
  • Is Part Of: Water (Basel), 2021-07, Vol.13 (14), p.1968
  • Description: Dam break inundation mapping is essential for risk management and mitigation, emergency action planning, and potential consequences assessment. To quantify flood hazard associated with dam failures, flooding variables must be predicted by efficient and robust numerical models capable to effectively cope with the computational difficulties posed by complex flows on real topographies. Validation against real-field data of historical dam-breaks is extremely useful to verify models’ capabilities and accuracy. However, such catastrophic events are rather infrequent, and available data on the breaching mechanism and downstream flooding are usually inaccurate and incomplete. Nevertheless, in some cases, real-field data collected after the event (mainly breach size, maximum water depths and flood wave arrival times at selected locations, water marks, and extent of flooded areas) are adequate to set up valuable and significant test cases, provided that all other data required to perform numerical simulations are available (mainly topographic data of the floodable area and input parameters defining the dam-break scenario). This paper provides a review of the historical dam-break events for which real-field datasets useful for validation purposes can be retrieved in the literature. The resulting real-field test cases are divided into well-documented test cases, for which extensive and complete data are already available, and cases with partial or inaccurate datasets. Type and quality of the available data are specified for each case. Finally, validation data provided by dam-break studies on physical models reproducing real topographies are presented and discussed. This review aims at helping dam-break modelers: (a) to select the most suitable real-field test cases for validating their numerical models, (b) to facilitate data access by indicating relevant bibliographic references, and (c) to identify test cases of potential interest worthy of further research.
  • Publisher: Basel: MDPI AG
  • Language: English
  • Identifier: ISSN: 2073-4441
    EISSN: 2073-4441
    DOI: 10.3390/w13141968
  • Source: GFMER Free Medical Journals
    ROAD: Directory of Open Access Scholarly Resources
    ProQuest Central
    DOAJ Directory of Open Access Journals
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