Ara es mostren els items 42-61 de 64

    • 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)
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    • 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
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      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
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    • 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
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      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)
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      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 ...
    • Study of the efflux velocity induced by two propellers 

      Mujal Colilles, Anna; Gironella Cobos, Xavier; Jaquet, A.; Gómez Gesteira, Moncho; Sánchez-Arcilla Conejo, Agustín (EdiBios, 2015)
      Text en actes de congrés
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      Present analysis is related with seabed erosion caused during docking and undocking maneuvering. Twin propellers without rudder were studied using a physical model with a fixed clearance distance and three different rotating ...
    • The MARHIS network: an application to composite modelling for overtopping 

      Sánchez-Arcilla Conejo, Agustín; López Lara, Javier; Marzeddu, Andrea; Alvarez, Alvaro; Gironella Cobos, Xavier; Mujal Colilles, Anna; Losada, Iñigo (2018)
      Text en actes de congrés
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      This paper presents the MARHIS network, an added value aggregation of hydraulic facilities and numerical modelling tools plus field equipment from the Catalonia University of Technology and IH Cantabria. The paper presents ...
    • Tools for evaluation quay toe scouring induced by vessel propellers in harbour basins during the docking and undocking manoeuvring 

      Castells Sanabra, Marcel·la; Martínez de Osés, Francesc Xavier; Martín Mallofré, Agustí; Mujal Colilles, Anna; Gironella Cobos, Xavier (CRC Press, 2017)
      Text en actes de congrés
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      The evolution of the shipping industry (increased capacity and size of ships, power and self-propulsion), the increased productivity and rearrangement of spaces (port calls increased in number and frequency, changes in use ...
    • Tsunami hazards in the Catalan Coast, a low-intensity seismic activity area 

      Barranco, Ignasio; Gracia Garcia, Vicente; Sierra Pedrico, Juan Pablo; Perea, Hector; Gironella Cobos, Xavier (2017-09)
      Article
      Accés obert
      The potential impacts of tsunamis along the Catalan Coast (NW Mediterranean) are analysed using numerical modelling. The region is characterized by moderate to low seismic activity and by moderate- to low-magnitude ...
    • Twin propeller time-dependent scouring processes: physical experiments 

      Llull Marroig, Antoni Ignaci; Mujal Colilles, Anna; Gironella Cobos, Xavier (2021-09)
      Article
      Accés obert
      We present a new set of experiments in local scour due to confined twin propeller jets aiming to include propeller driving characteristics to the analysis of the scouring action during in-port manoeuvres. The maximum scour ...
    • Variability of wave impact measurements on vertical breakwaters 

      Marzeddu, Andrea; Oliveira, Tiago; Gironella Cobos, Xavier; Sánchez-Arcilla Conejo, Agustín (2017-11)
      Article
      Accés obert
      The measurement of wave-induced impacts on structures involves significant scientific and engineering challenges. Regular nearly breaking pgbgand broken waves generated following cnoidal and first-order Stokes wavemaker ...
    • Wave hydrodynamic forces over mooring lines on floating offshore wind turbines 

      Trubat Casal, Pau; Molins i Borrell, Climent; Gironella Cobos, Xavier (2020-01)
      Article
      Accés obert
      The mooring loading of floating offshore wind turbines are mainly induced by the platform motions through the fairleads. The dynamic analysis usually only considers the hydrodynamic forces over the mooring by the motion ...
    • Wave overtopping assessment in DualSPHysics for real sea states of 1000 random waves 

      Altomare, Corrado; Gironella Cobos, Xavier; Robustelli, Maria Luigia; Viccione, Giacomo (New Jersey Institute of Technology, 2021)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this work the numerical model DualSPHysics has been applied to study the complex phenomenon of wave overtopping characterising dike-promenade coastal defence layout. The model has been first validated, by comparing the ...