Is HEC-RAS 2D accurate enough for storm-event hazard assessment? Lessons learnt from a benchmarking study based on rain-on-grid modelling

P Costabile, C Costanzo, D Ferraro, P Barca - Journal of Hydrology, 2021 - Elsevier
Abstract Rain-on-Grid (RoG) modelling is an increasingly popular approach within the storm
risk management, in which the hydrological and hydrodynamic flood processes are …

Cellular automata and finite volume solvers converge for 2D shallow flow modelling for hydrological modelling

D Caviedes-Voullième, J Fernández-Pato, C Hinz - Journal of hydrology, 2018 - Elsevier
Surface flows of hydrological interest, including overland flow, runoff, river and channel flow
and flooding have received significant attention from modellers in the past 30 years. A …

A 2D-SWEs framework for efficient catchment-scale simulations: Hydrodynamic scaling properties of river networks and implications for non-uniform grids generation

P Costabile, C Costanzo - Journal of Hydrology, 2021 - Elsevier
The application of two-dimensional shallow-water equations models (2D-SWEs) for the
description of hydrodynamic-based surface runoff computations is becoming a reference …

SERGHEI (SERGHEI-SWE) v1. 0: a performance-portable high-performance parallel-computing shallow-water solver for hydrology and environmental hydraulics

D Caviedes-Voullième… - Geoscientific Model …, 2023 - gmd.copernicus.org
The Simulation EnviRonment for Geomorphology, Hydrodynamics, and Ecohydrology in
Integrated form (SERGHEI) is a multi-dimensional, multi-domain, and multi-physics model …

A hybrid model for fast and probabilistic urban pluvial flood prediction

X Li, P Willems - Water Resources Research, 2020 - Wiley Online Library
Urban flooding is highly uncertain, so the use of probabilistic approaches in early flood
warning is encouraged. While well‐established 1‐D/2‐D hydrodynamic sewer models do …

Performance assessment of 2D Zero-Inertia and Shallow Water models for simulating rainfall-runoff processes

D Caviedes-Voullième, J Fernández-Pato, C Hinz - Journal of hydrology, 2020 - Elsevier
Rainfall-runoff simulations are increasingly being performed with physically-based and
spatially distributed solvers. The current computational and numerical technology enables …

Effects of DEM depression filling on river drainage patterns and surface runoff generated by 2D rain-on-grid scenarios

P Costabile, C Costanzo, C Gandolfi, F Gangi… - Water, 2022 - mdpi.com
Topographic depressions in Digital Elevation Models (DEMs) have been traditionally seen
as a feature to be removed as no outward flow direction is available to route and accumulate …

A spectral analysis approach for the a priori generation of computational grids in the 2-D hydrodynamic-based runoff simulations at a basin scale

D Ferraro, P Costabile, C Costanzo, G Petaccia… - Journal of …, 2020 - Elsevier
The increasing availability of high-resolution terrain data fostered the development of two-
dimensional hydrodynamic-based surface runoff models at basin scale, for flood hazard …

A comparison of three dual drainage models: shallow water vs local inertial vs diffusive wave

R Martins, J Leandro, AS Chen… - Journal of …, 2017 - iwaponline.com
In this study we compared three overland flow models, a full dynamic model (shallow water
equation), a local inertial equations model (gravity wave model), and a diffusive wave model …

Effects of erosion-induced changes to topography on runoff dynamics

SKB Ghomash, D Caviedes-Voullieme, C Hinz - Journal of Hydrology, 2019 - Elsevier
Runoff generation from rainfall events is a complex, spatial and temporally dependent
process strongly governed, among other factors, by catchment surface topography. Although …