Rapid spatio-temporal flood modelling via hydraulics-based graph neural networks

R Bentivoglio, E Isufi, SN Jonkman… - Hydrology and Earth …, 2023 - hess.copernicus.org
Numerical modelling is a reliable tool for flood simulations, but accurate solutions are
computationally expensive. In recent years, researchers have explored data-driven …

2D numerical simulation of unsteady flows for large scale floods prediction in real time

I Echeverribar, M Morales-Hernández, P Brufau… - Advances in water …, 2019 - Elsevier
The challenge of finding a compromise between computational time and level of accuracy
and robustness has traditionally expanded the use simplified models rather than full two …

Flood mapping using LIDAR DEM. Limitations of the 1-D modeling highlighted by the 2-D approach

P Costabile, F Macchione, L Natale, G Petaccia - Natural Hazards, 2015 - Springer
Nowadays, the use of 2-D fully dynamic models represents the most reliable approach for
flood inundation and flood hazard studies, especially in complex applications. However, 1-D …

[HTML][HTML] Conservative 1D–2D coupled numerical strategies applied to river flooding: The Tiber (Rome)

M Morales-Hernández, G Petaccia, P Brufau… - Applied Mathematical …, 2016 - Elsevier
Coupled 1D–2D numerical strategies are presented in this work for their application to fast
computation of large rivers flooding. Both 1D and 2D models are built using explicit upwind …

OpenMP and CUDA simulations of Sella Zerbino Dam break on unstructured grids

G Petaccia, F Leporati, E Torti - Computational Geosciences, 2016 - Springer
This paper presents two 2D dam break parallelized models based on shallow water
equations (SWE) written in conservative form. The models were implemented exploiting …

[HTML][HTML] Shallow water equations with depth-dependent anisotropic porosity for subgrid-scale topography

I Özgen, D Liang, R Hinkelmann - Applied Mathematical Modelling, 2016 - Elsevier
This paper derives a novel formulation of the depth-averaged shallow water equations with
anisotropic porosity for computational efficiency reasons. The aim is to run simulations on …

[PDF][PDF] Comparison of scenarios with and without bridges and analysis of backwater effect in 1-D and 2-D river flood modeling

P Costabile, F Macchione, L Natale… - Comput. Model. Eng …, 2015 - researchgate.net
In this paper the impact induced by bridges on the river flow is studied applying 1-D and 2-D
unsteady flow models. Both the models are based on the Shallow Water Equations written in …

A 1D numerical model for the simulation of unsteady and highly erosive flows in rivers

S Martínez-Aranda, J Murillo, P García-Navarro - Computers & Fluids, 2019 - Elsevier
This work is focused on a numerical finite volume scheme for the coupled shallow water-
Exner system in 1D applications with arbitrary geometry. The mathematical expressions …

An efficient GPU implementation for a faster simulation of unsteady bed-load transport

C Juez, A Lacasta, J Murillo… - Journal of Hydraulic …, 2016 - Taylor & Francis
Computational tools may help engineers in the assessment of sediment transport during the
decision-making processes. The main requirements are that the numerical results have to …

1935 Sella Zerbino dam-break case revisited: A new hydrologic and hydraulic analysis

G Petaccia, L Natale - Journal of Hydraulic Engineering, 2020 - ascelibrary.org
Abstract The Bric Zerbino and Sella Zerbino barrages dammed two branches of the Orba
Valley in Italy to create the Ortiglieto reservoir and supply the Molare hydropower plant. The …