Next Article in Journal
Combination of Assessment Indicators for Policy Support on Water Scarcity and Pollution Mitigation
Previous Article in Journal
Open, Sharable, and Extensible Data Management for the Korea National Aquatic Ecological Monitoring and Assessment Program: A RESTful API-Based Approach
Article Menu

Export Article

Open AccessArticle
Water 2016, 8(5), 200; doi:10.3390/w8050200

The FLO Diffusive 1D-2D Model for Simulation of River Flooding

1
Dipartimento di Ingegneria Civile, Ambientale, Aerospaziale, dei Materiali (DICAM), Università di Palermo, viale delle Scienze, 90128 Palermo, Italy
2
Dipartimento di Ingegneria Civile, dell’ Energia, dell’Ambiente e dei Materiali, Università Mediterranea di Reggio Calabria, Via Graziella Loc. Feo di Vito, 89122 Reggio Calabria, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Athanasios Loukas
Received: 12 April 2016 / Revised: 7 May 2016 / Accepted: 9 May 2016 / Published: 13 May 2016

Abstract

An integrated 1D-2D model for the solution of the diffusive approximation of the shallow water equations, named FLO, is proposed in the present paper. Governing equations are solved using the MArching in Space and Time (MAST) approach. The 2D floodplain domain is discretized using a triangular mesh, and standard river sections are used for modeling 1D flow inside the section width occurring with low or standard discharges. 1D elements, inside the 1D domain, are quadrilaterals bounded by the trace of two consecutive sections and by the sides connecting their extreme points. The water level is assumed to vary linearly inside each quadrilateral along the flow direction, but to remain constant along the direction normal to the flow. The computational cell can share zero, one or two nodes with triangles of the 2D domain when lateral coupling occurs and more than two nodes in the case of frontal coupling, if the corresponding section is at one end of the 1D channel. No boundary condition at the transition between the 1D-2D domain has to be solved, and no additional variable has to be introduced. Discontinuities arising between 1D and 2D domains at 1D sections with a top width smaller than the trace of the section are properly solved without any special restriction on the time step. View Full-Text
Keywords: 1D-2D coupling; floodplains; main channel; numerical method; shallow water equations 1D-2D coupling; floodplains; main channel; numerical method; shallow water equations
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Scifeed alert for new publications

Never miss any articles matching your research from any publisher
  • Get alerts for new papers matching your research
  • Find out the new papers from selected authors
  • Updated daily for 49'000+ journals and 6000+ publishers
  • Define your Scifeed now

SciFeed Share & Cite This Article

MDPI and ACS Style

Aricò, C.; Filianoti, P.; Sinagra, M.; Tucciarelli, T. The FLO Diffusive 1D-2D Model for Simulation of River Flooding. Water 2016, 8, 200.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Water EISSN 2073-4441 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top