A5046478598- Coastal and Marine Dynamics
- Coastal wetland ecosystem dynamics
- Tropical and Extratropical Cyclones Research
- Aeolian processes and effects
- Lattice Boltzmann Simulation Studies
- Underwater Acoustics Research
- Geological formations and processes
- Fluid Dynamics and Vibration Analysis
- Ship Hydrodynamics and Maneuverability
- Ocean Waves and Remote Sensing
- Hydrology and Sediment Transport Processes
- Wind and Air Flow Studies
University of Messina
2017-2019
University of Catania
2018
In this paper, the findings of an experimental analysis aimed at investigating flow generated by waves propagating over a fixed rippled bed within wave flume are reported. The bottom was constituted horizontal part followed 1:10 sloping beach. Bedforms were in previous campaign performed with loose sand, and then hardened means thin layers concrete. acquired through Vectrino Profiler along two different ripples, one located second It observed that, on bed, near bottom, ripple lee side...
This paper reports on an experimental campaign focused the generation and evolution of small scale bedforms over a sloping sandy beach. The wave propagation bed triggers flow asymmetry that reflects bedform characteristics. Morphodynamic analyses ripple migration led to observe at equilibrium ripples have larger offshore flanks are leant toward However velocity may be onshore or directed. characteristics seem well described by Nielsen (1981) predictor.
Multiphase CFD models recently have proved promising in modelling crossâ€shore sediment transport and morphodynamics (Jacobsen et al 2014). However, breaking wave turbulence remains a major challenge for these models, because it occurs at very different spatial temporal length scales involves the interaction between surface generated bottom boundary layer. To an extent challenges arise from lack of appropriate experimental data, since most previous studies involved waves small-scale, not...