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Numerical modelling of tsunami propagation in idealised converging water body geometries (2024)
Journal Article
Chen, Z., Heller, V., & Briganti, R. (2024). Numerical modelling of tsunami propagation in idealised converging water body geometries. Coastal Engineering, 189, Article 104482. https://doi.org/10.1016/j.coastaleng.2024.104482

Tsunamis have caused many severe natural disasters in human history, such as in 2018 at Palu City located in a narrow bay resulting in over 4340 fatalities. The tsunami propagation characteristics are greatly affected by the water body geometry. For... Read More about Numerical modelling of tsunami propagation in idealised converging water body geometries.

Numerical validation of novel scaling laws for air–water flows including compressibility and heat transfer (2023)
Journal Article
Catucci, D., Briganti, R., & Heller, V. (2023). Numerical validation of novel scaling laws for air–water flows including compressibility and heat transfer. Journal of Hydraulic Research, 61(4), 517-531. https://doi.org/10.1080/00221686.2023.2225462

Air–water flows are among the most important flow types in hydraulic engineering. Their experimental modelling at reduced size using Froude scaling laws introduces scale effects. This study introduces novel scaling laws for compressible air–water flo... Read More about Numerical validation of novel scaling laws for air–water flows including compressibility and heat transfer.

Analytical and Numerical Study of Novel Scaling Laws for Air-Water Flows (2022)
Conference Proceeding
Catucci, D., Briganti, R., & Heller, V. (2022). Analytical and Numerical Study of Novel Scaling Laws for Air-Water Flows. In Proceedings of the 39th IAHR World Congress (Granada, 2022) (4551-4560). https://doi.org/10.3850/IAHR-39WC252171192022202

Physical modelling in the laboratory is widely used for hydraulic investigations. Froude similarity results in significant scale effects in small models for flows involving air-entrainment. Such air-water flows are essential for many hydraulic applic... Read More about Analytical and Numerical Study of Novel Scaling Laws for Air-Water Flows.

MESH-IN: A MESHed INlet offline coupling method for 3-D extreme hydrodynamic events in DualSPHysics (2022)
Journal Article
Ruffini, G., Domínguez, J. M., Briganti, R., Altomare, C., Stolle, J., Crespo, A. J., …De Girolamo, P. (2023). MESH-IN: A MESHed INlet offline coupling method for 3-D extreme hydrodynamic events in DualSPHysics. Ocean Engineering, 268, Article 113400. https://doi.org/10.1016/j.oceaneng.2022.113400

Extreme hydrodynamic events, such as those driven by tsunamis, have a significant impact on coastal environments. The Smoothed Particle Hydrodynamics computational method gained popularity in modelling these phenomena. However, high resolution is nee... Read More about MESH-IN: A MESHed INlet offline coupling method for 3-D extreme hydrodynamic events in DualSPHysics.

Wave overtopping at near-vertical seawalls: Influence of foreshore evolution during storms (2022)
Journal Article
Briganti, R., Musumeci, R. E., van der Meerc, J., Romanoe, A., Stancanelli, L. M., Kudella, M., …Schimmels, S. (2022). Wave overtopping at near-vertical seawalls: Influence of foreshore evolution during storms. Ocean Engineering, 261, Article 112024. https://doi.org/10.1016/j.oceaneng.2022.112024

This work presents the results of an investigation on how wave overtopping at a near-vertical seawall at the back of a sandy foreshore is influenced by sequences of erosive storms. The experiments were carried out in the Large Wave Flume (GWK) at Lei... Read More about Wave overtopping at near-vertical seawalls: Influence of foreshore evolution during storms.

A logarithmic bottom boundary layer model for the unsteady and non-uniform swash flow (2021)
Journal Article
Zhu, F., Dodd, N., Briganti, R., & Larson, M. (2022). A logarithmic bottom boundary layer model for the unsteady and non-uniform swash flow. Coastal Engineering, 172, Article 104048. https://doi.org/10.1016/j.coastaleng.2021.104048

This paper presents a bottom boundary layer model for the unsteady and non-uniform flow in the swash zone, by extending the momentum integral method so as to include spatial gradients. The developed model is further incorporated into a hydrodynamic m... Read More about A logarithmic bottom boundary layer model for the unsteady and non-uniform swash flow.

Numerical validation of novel scaling laws for air entrainment in water (2021)
Journal Article
Catucci, D., Briganti, R., & Heller, V. (2021). Numerical validation of novel scaling laws for air entrainment in water. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 477(2255), Article 20210339. https://doi.org/10.1098/rspa.2021.0339

The Froude scaling laws have been used to model a wide range of water flows at reduced size for almost a century. In such Froude scale models, significant scale effects for air-water flows (e.g. hydraulic jumps or wave breaking) are typically observe... Read More about Numerical validation of novel scaling laws for air entrainment in water.

Non-stationary extreme value analysis of sea states based on linear trends. Analysis of annual maxima series of significant wave height and peak period in the Mediterranean Sea (2021)
Journal Article
De Leo, F., Besio, G., Briganti, R., & Vanem, E. (2021). Non-stationary extreme value analysis of sea states based on linear trends. Analysis of annual maxima series of significant wave height and peak period in the Mediterranean Sea. Coastal Engineering, 167, Article 103896. https://doi.org/10.1016/j.coastaleng.2021.103896

Non-stationary Extreme Value Analysis (NEVA) allows to determine the probability of exceedance of extreme sea states taking into account trends in the time series of data at hand. In this work, we analyse the reliability of NEVA of significant wave h... Read More about Non-stationary extreme value analysis of sea states based on linear trends. Analysis of annual maxima series of significant wave height and peak period in the Mediterranean Sea.

Numerical characterisation and efficient prediction of landslide-tsunami propagation over a wide range of idealised bathymetries (2021)
Journal Article
Ruffini, G., Heller, V., & Briganti, R. (2021). Numerical characterisation and efficient prediction of landslide-tsunami propagation over a wide range of idealised bathymetries. Coastal Engineering, 167, Article 103854. https://doi.org/10.1016/j.coastaleng.2021.103854

Landslide-tsunamis are generated by masses, such as landslides or icebergs, impacting into water bodies. Such tsunamis resulted in major catastrophes in the recent past. Generic research into landslide-tsunamis has widely been conducted in idealised... Read More about Numerical characterisation and efficient prediction of landslide-tsunami propagation over a wide range of idealised bathymetries.

Modeling swash zone hydrodynamics using discontinuous galerkin finite-element method (2020)
Journal Article
Aboulatta, W., Dodd, N., Briganti, R., Kasem, T. H. M. A., & Zaki, M. A. F. (2021). Modeling swash zone hydrodynamics using discontinuous galerkin finite-element method. Journal of Waterway, Port, Coastal, and Ocean Engineering, 147(2), Article 04020051. https://doi.org/10.1061/%28ASCE%29WW.1943-5460.0000618

A two-dimensional numerical model for the solution of the nonlinear shallow water equations (NSWEs) using the discontinuous Galerkin finite element method (DGFEM) is presented. A new adaptation of the thin-film approach is developed for the wetting/d... Read More about Modeling swash zone hydrodynamics using discontinuous galerkin finite-element method.

Numerical modelling of tsunamis generated by iceberg calving validated with large-scale laboratory experiments (2020)
Journal Article
Chen, F., Heller, V., & Briganti, R. (2020). Numerical modelling of tsunamis generated by iceberg calving validated with large-scale laboratory experiments. Advances in Water Resources, 142, https://doi.org/10.1016/j.advwatres.2020.103647

© 2020 Elsevier Ltd When calving icebergs interact with water, waves of tens of meters in height, so-called iceberg-tsunamis (IBTs), may be generated. Recent examples include an IBT which reached an amplitude of 45 to 50 m in Eqip Sermia, Greenland,... Read More about Numerical modelling of tsunamis generated by iceberg calving validated with large-scale laboratory experiments.

Experimental Analysis of Wave Overtopping: A New Small Scale Laboratory Dataset for the Assessment of Uncertainty for Smooth Sloped and Vertical Coastal Structures (2019)
Journal Article
Williams, H. E., Briganti, R., Romano, A., & Dodd, N. (2019). Experimental Analysis of Wave Overtopping: A New Small Scale Laboratory Dataset for the Assessment of Uncertainty for Smooth Sloped and Vertical Coastal Structures. Journal of Marine Science and Engineering, 7(7), Article 217. https://doi.org/10.3390/jmse7070217

Most physical model tests carried out to quantify wave overtopping are conducted using a wave energy spectrum, which is then used to generate a free surface wave time series at the wave paddle. This method means that an infinite number of time series... Read More about Experimental Analysis of Wave Overtopping: A New Small Scale Laboratory Dataset for the Assessment of Uncertainty for Smooth Sloped and Vertical Coastal Structures.

Numerical modelling of landslide-tsunami propagation in a wide range of idealised water body geometries (2019)
Journal Article
Ruffini, G., Heller, V., & Briganti, R. (2019). Numerical modelling of landslide-tsunami propagation in a wide range of idealised water body geometries. Coastal Engineering, 153, Article 103518. https://doi.org/10.1016/j.coastaleng.2019.103518

© 2019 Elsevier B.V. Large landslide-tsunamis are caused by mass movements such as landslides or rock falls impacting into a water body. Research of these phenomena is essentially based on the two idealised water body geometries (i) wave flume (2D, l... Read More about Numerical modelling of landslide-tsunami propagation in a wide range of idealised water body geometries.

Numerical modelling of the flow and bed evolution of a single bore-driven swash event on a coarse sand beach (2018)
Journal Article
Briganti, R., Dodd, N., Incelli, G., & Kikkert, G. (2018). Numerical modelling of the flow and bed evolution of a single bore-driven swash event on a coarse sand beach. Coastal Engineering, 142, 62-76. https://doi.org/10.1016/j.coastaleng.2018.09.006

This paper examines the numerical prediction of the sediment transport and bed evolution for a single swash event on a coarse sediment beach. In these conditions bed load is the dominant mode of sediment transport. Laboratory experiments of a single... Read More about Numerical modelling of the flow and bed evolution of a single bore-driven swash event on a coarse sand beach.

An assessment of the roller approach for wave breaking in a hybrid finite-volume finite-difference Boussinesq-type model for the surf-zone (2018)
Journal Article
Tatlock, B., Briganti, R., Musumeci, R. E., & Brocchini, M. (2018). An assessment of the roller approach for wave breaking in a hybrid finite-volume finite-difference Boussinesq-type model for the surf-zone. Applied Ocean Research, 73, 160-178. https://doi.org/10.1016/j.apor.2018.01.012

This paper investigates the application of the roller approach for breaking waves in a 1D hybrid finite-volume finite-difference weakly-nonlinear Boussinesq-type model. The vorticity transport equation is employed to model the movement of vorticity t... Read More about An assessment of the roller approach for wave breaking in a hybrid finite-volume finite-difference Boussinesq-type model for the surf-zone.

Advances in numerical modelling of swash zone dynamics (2016)
Journal Article
Briganti, R., Torres-Freyermuth, A., Baldock, T. E., Brocchini, M., Dodd, N., Hsu, T., …Postacchini, M. (2016). Advances in numerical modelling of swash zone dynamics. Coastal Engineering, 115, 26-41. https://doi.org/10.1016/j.coastaleng.2016.05.001

We present a comprehensive and critical review of work on the numerical modelling of swash zone processes between 2005 and 2015. A wide range of numerical models has been employed for the study of this region and, hence, only phase-resolving approach... Read More about Advances in numerical modelling of swash zone dynamics.

Uncertainties in the physical modelling of the wave overtopping over a rubble mound breakwater: The role of the seeding number and of the test duration (2015)
Journal Article
Romano, A., Belloti, G., Briganti, R., & Franco, L. (2015). Uncertainties in the physical modelling of the wave overtopping over a rubble mound breakwater: The role of the seeding number and of the test duration. Coastal Engineering, 103, 15-21. https://doi.org/10.1016/j.coastaleng.2015.05.005

This paper presents an experimental study on the variability in the wave overtopping discharge on a simple rubble mound breakwater caused by different random starting phases and different lengths of incident wave sequences sharing the same energy den... Read More about Uncertainties in the physical modelling of the wave overtopping over a rubble mound breakwater: The role of the seeding number and of the test duration.

Absorbing–generating seaward boundary conditions for fully-coupled hydro-morphodynamical solvers (2015)
Journal Article
Incelli, G., Briganti, R., & Dodd, N. (2015). Absorbing–generating seaward boundary conditions for fully-coupled hydro-morphodynamical solvers. Coastal Engineering, 99, https://doi.org/10.1016/j.coastaleng.2015.02.002

This paper presents a new technique to compute open boundary conditions for fully-coupled hydro-morphodynamical numerical solvers based on the Non-Linear Shallow Water and the Exner equations. These conditions allow the generation of incident signals... Read More about Absorbing–generating seaward boundary conditions for fully-coupled hydro-morphodynamical solvers.