Ara es mostren els items 1-20 de 38

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

    Frau, Lorenzoi; Marzeddu, Andrea; Dini, Enrico; Gracia Garcia, Vicente; Gironella Cobos, Xavier; Eriolo, Alessio; Zomparelli, Alessandro; Sánchez-Arcilla Conejo, Agustín (2016-03)
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    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 ...
  • 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
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    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)
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    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)
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    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 ...
  • Experimental set-up and calibration errors for mapping wave-breaking pressures on marine structures 

    Marzeddu, Andrea; Stagonas, Dimitris; Gironella Cobos, Xavier; Sánchez-Arcilla Conejo, Agustín (2018-03)
    Article
    Accés restringit per política de l'editorial
    Capturing the detailed spatial variation of pressures induced by breaking waves on physical model structures has become possible using a high resolution mapping system. It can provide data with 4 measuring points/cm2, ...
  • Experiments on a scale model of a monolithic concrete spar for floating wind turbines 

    Campos Hortigüela, Alexis; Molins i Borrell, Climent; Gironella Cobos, Xavier; Trubat Casal, Pau; Alarcón Fernández, Daniel (2015)
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    Preliminary studies of a concept consisting of a monolithic concrete SPAR platform were presented in 2014. The studies were performed in the framework of the AFOSP KIC-InnoEnergy project (Alternative Floating Platform ...
  • GILABVIR: Virtual laboratories and remote laboratories in engineering. A teaching innovation group of interest 

    Cabrera-Bean, Margarita; Bragós Bardia, Ramon; Pérez, Marimar; Mariño Acebal, José Bernardo; Rius Casals, Juan Manuel; Gomis Bellmunt, Oriol; Casany Guerrero, María José; Gironella Cobos, Xavier (Universidad Politécnica de Madrid (UPM), 2010)
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    GILABVIR (Grup d’Interès en Laboratoris Virtuals i Remots) is a recently created Virtual and Remote Laboratory Group of Interest of UPC (Universitat Politècnica de Catalunya) and it is integrated in a more general teaching ...
  • Hybrid tool to prevent ship propeller erosion 

    Llull Marroig, Antoni Ignaci; Mujal Colilles, Anna; Castells Sanabra, Marcel·la; Gironella Cobos, Xavier; Martínez de Osés, Francesc Xavier; Martín Mallofré, Agustí; Sánchez-Arcilla Conejo, Agustín (American Society of Mechanical Engineers (ASME), 2018)
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    The present contribution aims to implement a new methodology to prevent Roll on-Roll off vessels (RO-RO) from causing severe scouring actions. The methodology combines field, experimental, theoretical and numerical tools ...
  • Improved accuracy in modelling armoured breakwaters with SPH 

    Altomare, Corrado; Gironella Cobos, Xavier; Crespo, Alejandro J.C.; Domínguez, Jose M.; Gómez-Gesteira, Moncho; Rogers, Benedict D. (2012)
    Comunicació de congrés
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    The present paper reports the added-value of using SPH in the fluid-structure interaction occurring in the run-up and overtopping phenomena for a the rubble mound breakwater, where the seaward layer is made of grooved cubic ...
  • Impulsive wave loads on rigid structure, an experimental approach 

    Marzeddu, Andrea; Gironella Cobos, Xavier; Sánchez-Arcilla Conejo, Agustín (2013)
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    Within the European project ‘Hydralab IV’, HyRes we aim to improve the characterization of wave loads on rigid structures and the associated response by carrying out some laboratory experiments. Wave loads on rigid structures ...
  • Investigació + enginyeria per a una zona costanera més sostenible 

    Sánchez-Arcilla Conejo, Agustín; Espino Infantes, Manuel; Jiménez Quintana, José Antonio; Gracia Garcia, Vicente; Mestres Ridge, Marc; Sierra Pedrico, Juan Pablo; Mösso Aranda, César; Gironella Cobos, Xavier (Universitat Politècnica de Catalunya. Escola Tècnica Superior d'Enginyers de Camins Canals i Ports de Barcelona, 2011-11-16)
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    Aquest article presenta tres projectes que han contribuït a desenvolupar noves eines per a millorar el projecte d’estructures i actuacions d’enginyeria civil a la zona costanera. L’objectiu és plantejar com es poden fer ...
  • Mapas de olas y vientos sobre la mar 

    González Marco, Daniel; Sospedra Iglesias, Joaquim; Gironella Cobos, Xavier; Sánchez-Arcilla Conejo, Agustín (Ed. Cabildo de Lanzarote, 2012)
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  • Measuring wave impact induced pressures with a pressure mapping system 

    Stagonas, Dimitris; Marzeddu, Andrea; Gironella Cobos, Xavier; Sánchez-Arcilla Conejo, Agustín; Muller, Gerald (2016-06)
    Article
    Accés obert
    The use of a pressuremapping system formeasuring wave impact induced pressures is evaluated in this paper. A set-up and a calibrationmethodology are suggested and employed for thiswork. The system is validated against ...
  • Nonlinear regular wave generation in numerical and physical flumes 

    Castro Alves Oliveira, Tiago; Gironella Cobos, Xavier; Sánchez-Arcilla Conejo, Agustín; Sierra Pedrico, Juan Pablo; Celigueta Jordana, Miguel Ángel (2010)
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  • Numerical modelling of coastal defences using the smoothed particle hydrodynamic method 

    Crespo, Alejandro; Altomare, Corrado; Rogers, Benedict D.; Dominguez, Jose; Gironella Cobos, Xavier (2013)
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    The present paper reports the results of the application of the Smoothed Particle Hydrodynamics (SPH) method to model the wave run-up over an armour breakwater. The units that form the outer layer of the structure have ...