All Outputs (28)

Numerical modelling of tsunami propagation in idealised converging water body geometries (2024)
Journal Article

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

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

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

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

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

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

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

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

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.

Numerical modelling of intra-wave sediment transport on sandy beaches using a non-hydrostatic, wave-resolving model (2020)
Journal Article

The mutual feedback between the swash zone and the surf zone is known to affect large-scale morphodynamic processes such as breaker bar migration on sandy beaches. To fully resolve this feedback in a process-based manner, the morphodynamics in the sw... Read More about Numerical modelling of intra-wave sediment transport on sandy beaches using a non-hydrostatic, wave-resolving model.

Modeling swash zone hydrodynamics using discontinuous galerkin finite-element method (2020)
Journal Article

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

© 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.

Detection and quantification of trends in time series of significant wave heights: An application in the Mediterranean Sea (2020)
Journal Article

Numerical Simulation of Tsunamis Generated by Iceberg Calving (2019)
Conference Proceeding

Numerical Investigation of Landslide-tsunami Propagation and Transformation in a Wide Spectrum of Water Body Geometries (2019)
Conference Proceeding

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

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

© 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.

Surface-groundwater flow numerical model for barrier beach with exfiltration incorporated bottom boundary layer model (2018)
Journal Article

A surface-groundwater flow model is developed for the swash flow on a barrier beach. The non-linear shallow water equations are used to simulate the surface flow. Laplace's equation is used to describe the groundwater flow and is solved using the Bou... Read More about Surface-groundwater flow numerical model for barrier beach with exfiltration incorporated bottom boundary layer model.

Numerical modelling of the flow and bed evolution of a single bore-driven swash event on a coarse sand beach (2018)
Journal Article

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.

Numerical investigation of landslide-tsunami propagation in idealised water body geometries (2018)
Presentation / Conference