Ara es mostren els items 34-53 de 64

    • On the generation of regular long waves in numerical wave flumes based on the particle finite element method 

      Castro Alves Oliveira, Tiago; Sánchez-Arcilla Conejo, Agustín; Gironella Cobos, Xavier; Madsen, Ole S. (2017-08)
      Article
      Accés obert
      Most of the coastal hydraulic studies in physical and numerical wave flumes (NWF) require the correct generation of nonlinear, long period waves at intermediate and shallow water conditions. In this paper, the ability to ...
    • Overtopping formula for vertical tiers-headed breakwaters 

      Altomare, Corrado; Damiani, Leonardo; Gironella Cobos, Xavier (2011)
      Text en actes de congrés
      Accés obert
      The semi-empirical methods are useful tools to understand the wave overtopping phenomena, but uncertainty remains on their applicability. It’s necessary to carry out campaign surveys or laboratory tests to support them. ...
    • Overtopping metrics and coastal safety: a case of study from the Catalan coast 

      Altomare, Corrado; Gironella Cobos, Xavier; Suzuki, T.; Viccione, Giacomo; Saponieri, Alessandra (MDPI, 2020-08)
      Article
      Accés obert
      Design criteria for coastal defenses exposed to wave overtopping are usually assessed by mean overtopping discharges and maximum individual overtopping volumes. However, it is often difficult to give clear and precise ...
    • Quasi-dynamic mooring line model 

      Trubat Casal, Pau; Molins i Borrell, Climent; Gironella Cobos, Xavier (2022-01-01)
      Article
      Accés obert
      The quasi-dynamic mooring line model is a new approach to assess the mooring line tension that considers the static solution of the catenary shape, but updates the distributed vertical force along the mooring line as a ...
    • Relationship between eroded volume and main scour hole dimensions near quay walls caused by internal counter-rotating twin-propellers 

      Curulli, Giuseppe; Llull Marroig, Antoni Ignaci; Penna, Nadia; Mujal Colilles, Anna; Gironella Cobos, Xavier; Sánchez Arcilla, Agustín; Gaudio, Roberto (2022-07-14)
      Article
      Accés obert
      The present study aims at computing and analysing the eroded sediment volumes induced by twin-propeller jets near a vertical quay wall from the main geometric characteristics of the scour hole. Two different scouring ...
    • Reliability analysis of beaches as defenses against storm impacts under a climate change scenario 

      Sánchez-Arcilla Conejo, Agustín; Gómez Martínez, Marta; Gracia Garcia, Vicente; Gironella Cobos, Xavier; García León, Manuel (2014)
      Comunicació de congrés
      Accés obert
      An analysis of the probability of failure of beaches along the Catalan coast (Northwestern Mediterranean) is presented. The failure condition is defined when waves are able to overtop the beach and reach the backshore. The ...
    • Restoring and rehabilitation of historical coastal asset with SPH 

      Altomare, Corrado; Gironella Cobos, Xavier; Cabrera Crespo, Alejandro; Domínguez Alonso, José Manuel; Tafuni, Angelantonio; Muñoz-Ramos, Gregori (Istituto Nazionale di Geofisica e Vulcanologia (INGV), 2022)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      On January 20th, 2020, the storm Gloria caused the failure of the seaward platform and part of the footbridge of the Pont del Petroli pier at the beach of Badalona (Spain). A beam of about 15 m fell into the sea due to ...
    • Riesgos costeros y técnicas ópticas de observación 

      Sánchez-Arcilla Rosanas, Agustín; García León, Manuel; Gracia Garcia, Vicente; Marzeddu, Andrea; Gironella Cobos, Xavier; Sánchez-Arcilla Conejo, Agustín (2018-03)
      Article
      Accés restringit per política de l'editorial
      La intensificación de la presión de uso sobre nuestro litoral está generando un incremento de los niveles de riesgo, entendido como la probabilidad de un suceso por el valor económico de sus consecuencias. El aumento del ...
    • Scouring processes in harbour basins during the docking and undocking manoeuvring: laboratory experiments 

      Mujal Colilles, Anna; Gironella Cobos, Xavier; Sánchez-Arcilla Conejo, Agustín (Universidad de Cantabria, 2017-07-25)
      Article
      Accés obert
    • Scouring processes in harbour basins during the docking and undocking manoeuvring: laboratory experiments 

      Mujal Colilles, Anna; Gironella Cobos, Xavier; Sánchez-Arcilla Conejo, Agustín (Iniciativa Digital Politècnica, 2016)
      Text en actes de congrés
      Accés obert
    • Ship manoeuvre analysis and simulation to obtain scouring related propeller variables 

      Llull Marroig, Antoni Ignaci; Mujal Colilles, Anna; Gironella Cobos, Xavier; Castells Sanabra, Marcel·la; Martínez de Osés, Francesc Xavier; Martín Mallofré, Agustí; Sánchez-Arcilla Conejo, Agustín (International Centre for Numerical Methods in Engineering (CIMNE), 2018)
      Comunicació de congrés
      Accés obert
      The evolution of shipping industry in terms of bigger and more powerful ships, is causing several issues in existing ports and marinas designed, initially, to host smaller vessels with smaller propulsion systems and lower ...
    • Ship manoeuvre patterns to prevent propeller scouring effects 

      Castells Sanabra, Marcel·la; Mujal Colilles, Anna; Llull Marroig, Antoni Ignaci; Gironella Cobos, Xavier; Martínez de Osés, Francesc Xavier; Martín Mallofré, Agustí; Sánchez-Arcilla Conejo, Agustín (World Association for Waterborne Transport Infrastructure (PIANC), 2018)
      Text en actes de congrés
      Accés obert
    • Ship manoeuvring effects on propeller induced erosion 

      Mujal Colilles, Anna; Llull Marroig, Antoni Ignaci; Castells Sanabra, Marcel·la; Gironella Cobos, Xavier; Martínez de Osés, Francesc Xavier; Sánchez-Arcilla Conejo, Agustín (2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The shipping industry evolution over the last decades has led to growing structural and operational problems, in particular, for old marinas with lower depths to hosts present ships and with higher drafts and power of ...
    • Ship propeller effects on harbours 

      Llull Marroig, Antoni Ignaci; Mujal Colilles, Anna; Castells Sanabra, Marcel·la; Gironella Cobos, Xavier (Texas Digital Library, 2020)
      Text en actes de congrés
      Accés obert
      The increase in marine traffic during the last decades has led to important changes in ship designs. These changes have been directly affecting harbor structures designed to host smaller and less powerful ships. One of the ...
    • Simulation of a flexible fish farming net in currents and waves with DualSPHysics: maritime and naval architecture applications 

      González Ávalos, Raúl; Altomare, Corrado; Gironella Cobos, Xavier; Cabrera Crespo, Alejandro; Martinez Estevez, Ivan (Istituto Nazionale di Geofisica e Vulcanologia (INGV), 2022)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In high-energy sea states, the deformation of fish farming nets is a limiting factor in the design, therefore it is necessary to have adequate models of flexible nets. However, the standard industrial modelling software ...
    • Simulation of random wave overtopping by a WCSPH model 

      Altomare, Corrado; Gironella Cobos, Xavier; Crespo, Alejandro J.C. (2021-11)
      Article
      Accés obert
      In this work the Weakly Compressible SPH-based (WCSPH) model DualSPHysics has been validated and applied to study the random wave overtopping of dike-promenade layout in shallow water conditions. Data from physical model ...
    • Spar concrete monolithic design for offshore wind turbines 

      Campos Hortigüela, Alexis; Molins i Borrell, Climent; Gironella Cobos, Xavier; Trubat Casal, Pau (2016-06)
      Article
      Accés restringit per política de l'editorial
      Significant research efforts are now being directed at floating offshore wind turbines. The main challenge posed by floating wind turbines is the high construction and installation costs of the substructure, which make it ...
    • SPH simulations of real sea waves impacting a large-scale structure 

      Altomare, Corrado; Tafuni, Angelantonio; Domínguez Alonso, José Manuel; Crespo, Alejandro J.C.; Gironella Cobos, Xavier; Sospedra Iglesias, Joaquim (MDPI, 2020-10)
      Article
      Accés obert
      The Pont del Petroli is a dismissed pier in the area of Badalona, Spain, with high historical and social value. This structure was heavily damaged in January 2020 during the storm Gloria that hit southeastern Spain with ...
    • Stern twin-propeller effects on harbor infrastructures. Experimental analysis 

      Mujal Colilles, Anna; Castells Sanabra, Marcel·la; Llull Marroig, Antoni Ignaci; Gironella Cobos, Xavier; Martínez de Osés, Francesc Xavier (2018-11-02)
      Article
      Accés obert
      The growth of marine traffic in harbors, and the subsequent increase in vessel and propulsion system sizes, produces three linked problems at the harbor basin area: (i) higher erosion rates damaging docking structures; ...
    • Study of the bed velocity induced by twin propellers 

      Mujal Colilles, Anna; Gironella Cobos, Xavier; Cabrera Crespo, Alejandro Jacobo; Sánchez-Arcilla Conejo, Agustín (2017-09)
      Article
      Accés obert
      Twin propellers without a rudder were studied using a physical model with a fixed clearance distance and three different rotating velocities. Experimental results were compared with results from theoretical expressions ...