Browsing by Author "Gironella Cobos, Xavier"Més informacióMés informació

Now showing items 1-20 of 66

    • Absorption of water waves in a two-dimensional numerical flume 

      Castro Alves Oliveira, Tiago; Celigueta Jordana, Miguel Ángel; Gironella Cobos, Xavier; Oñate Ibáñez de Navarra, Eugenio; Sánchez-Arcilla Conejo, Agustín (Centro Internacional de Métodos Numéricos en Ingeniería (CIMNE), 2009)
      Conference report
      Open Access
      In this work the absorption of water waves in a numerical wave flume is discussed in terms of performance and robustness. A general formulation for the analysis of fluidstructure interaction problems using the Particle ...

    • Alternative manoeuvres to reduce ship scour 

      Castells Sanabra, Marcel·la; Mujal Colilles, Anna; Llull Marroig, Antoni Ignaci; Moncunill Marimon, Jorge; Gironella Cobos, Xavier; Martínez de Osés, Francesc Xavier (Cambridge University Press, 2020-08-03)
      Article
      Open Access
      Scouring and sedimentation effects on the seabed induced by ship propellers during ship manoeuvring near harbour structures affect both structure stability and ship manoeuvring capabilities. This contribution proposes ...

    • Analysis of vessel induced erosion through manoeuvre simulation and AIS data 

      Llull Marroig, Antoni Ignaci; Moncunill Marimon, Jorge; Castells Sanabra, Marcel·la; Mujal Colilles, Anna; Gironella Cobos, Xavier (Universitat Politècnica de Catalunya. Iniciativa Digital Politècnica, 2022-06-21)
      Conference lecture
      Open Access
      This manuscript presents an erosion induced by manoeuvring ships assessment methodology in harbour basins with low bed clearance conditions. From the evolution of the bottom morphology, obtained from bathymetric surveys ...

    • Assessing the impact of sea level rise on port operability using LiDAR-derived digital elevation models 

      Gracia García, Vicente; Sierra Pedrico, Juan Pablo; Gómez, Marta; Pedrol, Mònica; Sampé, Sara; García León, Manuel; Gironella Cobos, Xavier (2019-10)
      Article
      Open Access
      One of the main consequences of climate change is the sea level rise (SLR), which impacts coastal areas affecting many infrastructures, particularly seaports, whose operations may be jeopardized. In this paper, a methodological ...

    • Composite methodology to prevent ship propeller erosion 

      Llull Marroig, Antoni Ignaci; Mujal Colilles, Anna; Castells Sanabra, Marcel·la; Gironella Cobos, Xavier (2020-01)
      Article
      Open Access
      The jet flow generated by manoeuvring ships nearby vertical structures is known to erode the seabed sediment but is still difficult to predict the effects of a particular ship operating in a harbour basin. This paper ...

    • Composite modelling of the Pont del Petroli pier failure due to extreme sea waves during the winter storm Gloria 

      Altomare, Corrado; Gironella Cobos, Xavier; Sospedra Iglesias, Joaquim; Domínguez, Jose; Tafuni, Angelantonio; Cabrera Crespo, Alejandro (2022)
      Conference report
      Restricted access - publisher's policy
      On January 20th, 2020, the storm Gloria causedthe collapse of the final part of the walkway that connected the seaward platform of the Pont del Petroli pier to the beach of Badalona (Spain). A stretch of about 15 meters ...

    • Design optimization for a truncated catenary mooring system for scale model test 

      Molins i Borrell, Climent; Trubat Casal, Pau; Gironella Cobos, Xavier; Campos Hortigüela, Alexis (2015)
      Article
      Open Access
      One of the main aspects when testing floating offshore platforms is the scaled mooring system, particularly with the increased depths where such platforms are intended. The paper proposes the use of truncated mooring systems ...

    • Design optimization for a truncated catenary mooring system for scale model tests 

      Molins i Borrell, Climent; Trubat Casal, Pau; Gironella Cobos, Xavier; Campos Hortigüela, Alexis (2014)
      Conference report
      Restricted access - publisher's policy
      One of the main aspects when testing floating offshore platforms is the scaled mooring system, particularly with the increased depths where such platforms are intended. When the existing testing facilities do not have ...

    • Determination of semi-empirical models for mean wave overtopping using an evolutionary polynomial paradigm 

      Altomare, Corrado; Laucelli, Daniele; Mase, Hajime; Gironella Cobos, Xavier (MDPI, 2020-08)
      Article
      Open Access
      The present work employs the so-called Evolutionary Polynomial Regression (EPR) algorithm to build up a formula for the assessment of mean wave overtopping discharge for smooth sea dikes and vertical walls. EPR is a ...

    • Digital twins in civil and environmental engineering classrooms 

      Chacón Flores, Rolando Antonio; Sánchez Juny, Martí; Real Saladrigas, Esther; Gironella Cobos, Xavier; Puigagut Juárez, Jaume; Ledesma Villalba, Alberto (International Centre for Numerical Methods in Engineering (CIMNE), 2018)
      Conference report
      Open Access
      Digital twins are understood as digital replica of physical models whose behavior can be observed simultaneously (digitally and physically) in real time. These tools are increasingly used in advanced industries for several ...

    • DURCWAVE - CIEM 

      Altomare, Corrado; Gironella Cobos, Xavier; Sospedra Iglesias, Joaquim (Universitat Politècnica de Catalunya, 2021-03)
      Dataset
      Open Access
      Data include measurements of water surface elevation along the wave flume and wave loading (forces + pressures) on elements of the pier. Both raw and post-processed data are provided.

    • DURCWAVE - CIEMito 

      Altomare, Corrado; Gironella Cobos, Xavier; Sospedra Iglesias, Joaquim (Universitat Politècnica de Catalunya, 2021-03)
      Dataset
      Open Access
      The experimental data refer to physical model tests carried out in 2019 from May to December at the wave flume CIEMito of the Maritime Engineering Laboratory (LIM) of the Universitat Politècnica de Catalunya – BarcelonaTech ...

    • DURCWAVE ‘amending the Design criteria of URban defences in LECZs through Composite-modelling of WAVE overtopping under climate change scenarios’ 

      Gironella Cobos, Xavier; Altomare, Corrado (2020-01)
      Article
      Open Access
      The main scientific objective of DURCWAVE project is to define new design criteria for wave action by modelling wave overtopping and post-overtopping processes of these urban defences.

    • Educating XXIst century civil engineers in Barcelona 

      Turmo Coderque, José; Estela Carbonell, M. Rosa; Chacón Flores, Rolando Antonio; Gironella Cobos, Xavier; Lloberas Valls, Oriol; Oliver Olivella, Xavier; Poblet-Puig, Jordi; Puigví Burniol, Maria Àngels; Valls del Barrio, Susanna; Díez, Pedro (2017)
      Conference report
      Restricted access - publisher's policy
      The educational programs of Civil Engineering schools have evolved to adapt to changes in society demands and regulations. Specifically, Civil Engineering curricula in Spain was highly impacted by the Bolonia Declaration ...

    • Effect of wave storm representation on damage measurements of breakwaters 

      Marzeddu, Andrea; Oliveira, Tiago C.A.; Sánchez-Arcilla Conejo, Agustín; Gironella Cobos, Xavier (2020-03)
      Article
      Open Access
      In this work, the effects of storm representation on damage measurements of a breakwater are studied in a small-scale physical wave flume. In particular, a two-layer breakwater with cubic armor units randomly placed is ...

    • Effects of ultra-porous 3D printed reefs on wave kinematics 

      Frau, Lorenzoi; Marzeddu, Andrea; Dini, Enrico; Gracia García, Vicente; Gironella Cobos, Xavier; Eriolo, Alessio; Zomparelli, Alessandro; Sánchez-Arcilla Conejo, Agustín (2016-03)
      Conference lecture
      Restricted access - publisher's policy
      Present 3D printing technology allows the efficient design and construction of structures with complex shapes and high porosity satisfying biological and coastal protection demands. In this case, an array of ultra-porous ...

    • El canal de ensayos CIEM del Laboratorio de Ingeniería Marítima (LIM) de la Escuela Técnica Superior de Ingenieros de Caminos, Canales y Puertos de Barcelona 

      Sánchez-Arcilla Conejo, Agustín; Gómez Aguar, Jesús Javier; Gironella Cobos, Xavier (1994-05)
      Article
      Open Access
      Los ensayos en canal permiten optimizar el diseño estructural y evaluar el impacto asociado a actuaciones en la costa. Un subproducto adicional es la calibración y validación de modelos numéricos. La reducción de costes ...

    • Erosion caused by propeller jets in a low energy harbour basin 

      Mujal Colilles, Anna; Gironella Cobos, Xavier; Sánchez-Arcilla Conejo, Agustín; Puig i Polo, Càrol; García León, Manuel (2017-01)
      Article
      Open Access
      Field data of a harbour basin are compared with analytical formulations for predicting maximum scouring depth due to propeller jets. Spatial data analysis of seven-year biannual bathymetries quantifies the evolution of the ...

    • Estudo do comportamento hidráulico de estruturas marítimas com ondas longas: parte I 

      Oliveira, Tiago Castro Alves; Sánchez-Arcilla Conejo, Agustín; Gironella Cobos, Xavier (2011)
      Conference report
      Restricted access - publisher's policy
      Neste trabalho é implementado e validado a geração de ondas longas num canal numérico de ondas. Funções de transferências utilizadas em canais físicos para gerar ondas longas de forma constante são aplicadas com sucesso ...

    • Experimental RAO’s analysis of a monolithic concrete spar structure for offshore floating wind turbines 

      Campos Hortigüela, Alexis; Molins i Borrell, Climent; Gironella Cobos, Xavier; Trubat Casal, Pau; Alarcón Fernández, Daniel (2015)
      Conference report
      Restricted access - publisher's policy
      Nowadays the offshore wind energy market is clearly oriented to be extended around the world. Bottom fixed solutions for supporting offshore wind turbines are useful in shallow waters which are available in ...