A5001317210- Coastal and Marine Dynamics
- Tropical and Extratropical Cyclones Research
- Ocean Waves and Remote Sensing
- Coastal wetland ecosystem dynamics
- Oceanographic and Atmospheric Processes
- Meteorological Phenomena and Simulations
- Earthquake and Tsunami Effects
- Aeolian processes and effects
- Climate variability and models
Ghent University
2018-2024
National Technical University of Athens
2012-2020
Ghent University Hospital
2018
This paper presents a recently developed Operational Forecast Platform (OFP) for prevailing sea conditions at very important ports worldwide (Accu-Waves). The OFP produces reliable high-resolution predictions of wave characteristics in and around ocean ports. Its goal is to support safer navigation, predict possible port downtime, assist vessel approaching, enhance management towing services, bolster secure ship maneuvering busy the globe. Accu-Waves based on integrated, modelling over...
A two-dimensional high-order Boussinesq-type model was derived to simulate wave propagation and relevant processes in the nearshore zone. Because of its enhanced nonlinear character, can describe more accurately amplitude dispersion compared weakly counterpart. Extension surf zone accomplished using eddy-viscosity concept for simulating breaking waves. Swash-zone dynamics were simulated by applying a modified narrow-slot technique. Bottom friction subgrid turbulent mixing also incorporated....
A two horizontal dimensional compound model is developed to simulate coastal sediment transport and bed morphology evolution due wave action. The module a higher-order Boussinesq-type model. load in the surf zone computed from an advanced semi-empirical formula while suspended can be calculated through solution of advection-diffusion equation for or alternatively simplified formula. estimation swash based on ballistic theory. unified valid under combined waves currents including asymmetry...
Three enhanced versions of two existing nonlinear Boussinesq-type models are herein derived. These models, along with other similar solvers, were investigated respect to their and dispersive characteristics. In particular, this study comprises Fourier analysis at first-order, second-order, third-order harmonics; an investigation linear dispersion; shoaling analysis; estimation transfer functions for subharmonics superharmonics. The also validated against demanding experimental tests wave...
The North Sea is a shallow sea that forms complex physical system. nonlinear interaction of the astronomical tides, varying wind fields and pressure systems requires appropriate approaches to be described accurately. An application based on advanced numerical model Regional Ocean Modeling System (ROMS) was newly developed by authors, tailored simulate these hydrodynamic processes in Belgian Continental Shelf, which area particular interest present study. purpose this work develop validate...
A recently developed compound 1DH numerical model for simulating coastal sediment transport and bed morphology evolution is extended validated in two horizontal dimensions. The wave module a higher-order Boussinesq-type model. load the surf zone computed from an advanced semi-empirical formula while suspended can be calculated through solution of advection-diffusion equation or alternatively simplified formula. estimation swash based on ballistic theory. Extended simulation time achieved...
The ability to reliably forecast sea states (most importantly level, wind and wave conditions) within or close the entrance of ports is a critical tool for all involved stakeholders. In this paper we present our work on prototype decision support system capable providing accurate state forecasts based three high-resolution hydrodynamic models, i.e. spectral model (model A), mild-slope equation B) barotropic circulation H). We an end novel data processing pipeline, handling challenges posed...
This paper presents the analysis of spectral wind-wave modelling (using SWAN) North Sea focusing on modelled wave parameters along Belgian coast. Two wind databases were used to drive model: ECMWF-ERA5 reanalysis and Dutch Offshore Wind Atlas. The models calibrated with measured data at various stations coastline. accuracy in terms parameter statistics was compared for uncalibrated models. It found that a SWAN model does, general, produce more accurate results when coastline even though not...
Forecast of wave agitation inside port basins and consequent downtime berth positions are utmost importance to make a “smarter” by efficiently managing its infrastructure. Within Accu-Waves project (http://accuwaves.eu), decision-making tool is being developed provide forecast data on prevailing sea states in the vicinity entrances harbour basins. The said will be based cooperating hydrodynamic models that derive from global scale, open forecasts. implementation includes development...