Now showing items 1-20 of 41

    • A hybrid numerical model for coastal engineering problems 

      Altomare, Corrado; Suzuki, T.; Domínguez Alonso, José Manuel; Crespo, Alejandro J.C.; Gómez Gesteira, Moncho; Cáceres Rabionet, Iván (2014)
      Conference report
      Open Access
      The implementation and first validation of a hybridization technique between a NLSWE model and a meshless fully Navier-Stokes equation-based model are presented. The scope is to overcome the limitations of each numerical ...
    • An analysis of nearshore profile and bar development under large scale erosive and accretive waves 

      Sánchez-Arcilla Conejo, Agustín; Cáceres Rabionet, Iván (2018-04)
      Article
      Open Access
      Typical morphodynamic laboratory tests have been carried out at small scales and without sufficient coverage or resolution. These limitations, applying particularly to accretive tests, have obstructed reliable observations ...
    • Barriers and enablers for upscaling coastal restoration 

      Sánchez Arcilla, Agustín; Cáceres Rabionet, Iván; Le Roux, Xavier; Hinkel, Jochen; Schuerch, Mark; Nicholls, Robert J.; Otero, Maria del Mar; Staneva, Joanna; de Vries, Mindert; Pernice, Umberto; Briere, Christophe; Caiola, Nuno; Gracia Garcia, Vicente; Ibañez, Carles; Torresan, Silvia (Elsevier, 2022-12)
      Article
      Open Access
      Coastal restoration is often distrusted and, at best, implemented at small scales, which hampers its potential for coastal adaptation. Present technical, economic and management barriers stem from sectoral and poorly ...
    • Beach profile changes induced by surrogate Posidonia Oceanica: laboratory experiments 

      Astudillo Gutiérrez, Carlos Salvador; Gracia Garcia, Vicente; Cáceres Rabionet, Iván; Sierra Pedrico, Juan Pablo; Sánchez-Arcilla Conejo, Agustín (2022-08)
      Article
      Restricted access - publisher's policy
      New flume experiments with surrogate seagrass meadows are presented. The experiments included the creation of a full-scale and realistic Posidonia Oceanica model to evaluate the effect over wave attenuation, sediment ...
    • Beach profile evolution towards equilibrium from varying initial morphologies 

      Eichentopf, Sonja; Van der Zanden, Joep; Cáceres Rabionet, Iván; Alsina Torrent, José María (2019-11)
      Article
      Open Access
      The evolution of different initial beach profiles towards the same final beach configuration is investigated based on large-scale experimental data. The same wave condition was performed three times, each time starting ...
    • Breaker bar morphodynamics under erosive and accretive wave conditions in large-scale experiments 

      Eichentopf, Sonja; Cáceres Rabionet, Iván; Alsina Torrent, José María (2018)
      Article
      Open Access
      Differences between breaker bar evolution under high energy (erosive) and subsequent mild energy (accretive) wave conditions are studied based on three data sets from large-scale morphodynamic experiments. Under erosive ...
    • Coastal adaptation and uncertainties: the need of ethics for a shared coastal future 

      Sánchez-Arcilla Conejo, Agustín; Gracia Garcia, Vicente; Mösso Aranda, César; Cáceres Rabionet, Iván; González Marco, Daniel; Gómez Aguar, Jesús Javier (Frontiers Media, 2021-09)
      Article
      Open Access
      Coastal hydro-morphodynamics present significant uncertainties, one order of magnitude larger for sediment transport than for the driving hydrodynamics. Met-ocean factors (waves, currents and levels essentially) are normally ...
    • Developments in acoustics for studying wave-driven boundary layer flow and sediment dynamics over rippled sand-beds 

      Thorne, Peter D.; Hurther, David; Cooke, Richard D.; Cáceres Rabionet, Iván; Barraud, P.A.; Sánchez-Arcilla Conejo, Agustín (2018-08)
      Article
      Open Access
      The processes of sediment entrainment, transport, and deposition over bedforms are highly dynamic and temporally and spatially variable. Obtaining measurements to understand these processes has led to ongoing developments ...
    • Effectiveness of dune reconstruction and beach nourishment to mitigate coastal erosion of the Ebro Delta (Spain) 

      Costa, Giuseppe Pio; Marino, Massimiliano; Cáceres Rabionet, Iván; Musumeci, Rosaria Ester (Multidisciplinary Digital Publishing Institute (MDPI), 2023-10)
      Article
      Open Access
      Coastal areas facing increasing erosion are resorting to sand displacement strategies to mitigate the erosive impact, which is exacerbated by climate change. In the face of climate change, coastal managers are more frequently ...
    • Erosive and accretive mobile bed experiments in large scale tests 

      Cáceres Rabionet, Iván; Sánchez-Arcilla Conejo, Agustín (World Scientific Publishing, 2015)
      Conference report
      Restricted access - publisher's policy
      Traditionally data and analysis for erosive or Accretive wave conditions have been carried out at relatively small scales and without enough spatial coverage or resolution. This limits the in depth analysis and does not ...
    • Extremes in hydraulic modelling: combined capabilities in the spanish network MARHIS 

      Sánchez-Arcilla Conejo, Agustín; Losada, Iñigo; Alvarez, Alvaro; González Marco, Daniel; Cáceres Rabionet, Iván; Lara, Javier L. (2016)
      Conference lecture
      Open Access
      This abstract provides an overview of the experimental work carried out at the MARHIS network formed by the Barcelona and the Santander research laboratories. The emphasis is on the role played by extremes as hydraulic ...
    • Influence of beach slope on morphological changes and dediment transport under irregular waves 

      Dionisio António, Sara; van der Werf, Jebbe; Horstman, Erik; Cáceres Rabionet, Iván; Alsina Torrent, José María; van der Zanden, Joep; Hulscher, Suzanne J.M.H. (Multidisciplinary Digital Publishing Institute (MDPI), 2023-11-27)
      Article
      Open Access
      This paper presents new data from large-scale wave flume experiments. It shows the beach profile evolution and sediment transport for two different bed slopes (1:15 and 1:25), and three irregular high-energy erosive wave ...
    • Influence of seagrass meadow length on beach morphodynamics: an experimental study 

      Astudillo Gutiérrez, Carlos Salvador; Gracia Garcia, Vicente; Cáceres Rabionet, Iván; Sierra Pedrico, Juan Pablo; Sánchez-Arcilla Conejo, Agustín (Elsevier, 2024-04)
      Article
      Open Access
      A novel flume experiment was conducted to compare the sheltering effect of surrogate seagrass meadows of two different lengths against a bare beach (benchmark). The analyses focused on assessing the impact of meadow ...
    • Influence of storm sequencing on breaker bar and shoreline evolution in large-scale experiments 

      Eichentopf, Sonja; Van der Zanden, Joep; Cáceres Rabionet, Iván; Baldock, Tom E.; Alsina Torrent, José María (2020-04)
      Article
      Open Access
      New large-scale experiments on the influence of storm sequencing on beach profile evolution are presented. The experiments comprised three sequences that commenced from the same initial beach profile. Each sequence consisted ...
    • Lagrangian simulation of suspended sediment in the swash zone 

      Alsina Torrent, José María; Cáceres Rabionet, Iván; Sospedra Iglesias, Joaquim; Baldock, Tom E. (2009-01-01)
      Article
      Restricted access - publisher's policy
      A numerical model is presented to simulate the sediment transport and beach morphology in the swash zone. The model resolves the non-linear shallow water equations in an Eulerian framework and then solves the advection-diffusion ...
    • Large-scale laboratory study of breaking wave hydrodynamics over a fixed bar 

      Van Der A, Dominic; Van der Zanden, Joep; O'Donoghue, Tom; Hurther, David; Cáceres Rabionet, Iván; McLelland, Stuart J.; Ribberink, Jan (2017-04-01)
      Article
      Open Access
      A large-scale wave flume experiment has been carried out involving a T¿=¿4 s regular wave with H¿=¿0.85 m wave height plunging over a fixed barred beach profile. Velocity profiles were measured at 12 locations along the ...
    • Large-scale wave breaking over a barred beach: SPH numerical simulation and comparison with experiments 

      Altomare, Corrado; Scandura, Pietro; Cáceres Rabionet, Iván; Van Der A, Dominic; Viccione, Giacomo (Elsevier, 2023-10)
      Article
      Open Access
      Wave breaking plays a crucial role in several areas of interest in coastal engineering, such as flooding, wave loading on structures and coastal morphodynamics. In the present study, Smoothed Particle Hydrodynamics (SPH) ...
    • Measuring free surface elevation of shoaling waves with pressure transducers 

      Marino, Massimiliano; Cáceres Rabionet, Iván; Musumeci, Rosaria Ester (Elsevier, 2022-08)
      Article
      Restricted access - publisher's policy
      An assessment of formulas to recover wave surface elevation from pressure measurements was carried out in the present study. The investigation focused on the formulas’ performance in the shoaling region, i.e. where the ...
    • Natural accretion mechanisms: the role in future coastal sustainability 

      Sánchez-Arcilla Conejo, Agustín; Gracia Garcia, Vicente; García León, Manuel; Jiménez Quintana, José Antonio; Cáceres Rabionet, Iván; Valdemoro Garcia, Herminia (World Scientific Publishing, 2015)
      Conference report
      Restricted access - publisher's policy
      Although recent research has focused on erosive processes, natural accretion mechanisms have been known for many years, and they can provide an efficient solution to deal with sediment starved coasts. In this paper we shall ...
    • Nature based solutions for sediment starved deltas: the Ebro case in the Spanish Mediterranean coast 

      Sánchez-Arcilla Conejo, Agustín; Ibañez, Carles; Gracia Garcia, Vicente; Garrote De marcos, Luis Maria; Cáceres Rabionet, Iván; López Gómez, David; de la Peña Olivas, José Manuel; Caiola, Nuno; Munne, Antoni; Espanya Forcadell, Antoni; Iglesias Picazo, Ana; Rovira, Albert; González Marco, Daniel; Grassa Garrido, José María (World Scientific, 2023)
      Conference report
      Restricted access - publisher's policy
      Deltas in river regulated basins have become coastal vulnerability hotspots, for which traditional coastal engineering does not provide acceptable risk reductions. This is well illustrated by the Ebro delta (W Mediterranean) ...