Exploració per autor "Gironella Cobos, Xavier"
Ara es mostren els items 5-24 de 64
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Composite methodology to prevent ship propeller erosion
Llull Marroig, Antoni Ignaci; Mujal Colilles, Anna; Castells Sanabra, Marcel·la; Gironella Cobos, Xavier (2020-01)
Article
Accés obertThe 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)
Text en actes de congrés
Accés restringit per política de l'editorialOn 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
Accés obertOne 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)
Text en actes de congrés
Accés restringit per política de l'editorialOne 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
Accés obertThe 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)
Text en actes de congrés
Accés obertDigital 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)
Conjunt de dades
Accés obertData 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)
Conjunt de dades
Accés obertThe 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
Accés obertThe 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)
Text en actes de congrés
Accés restringit per política de l'editorialThe 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
Accés obertIn 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 Garcia, Vicente; Gironella Cobos, Xavier; Eriolo, Alessio; Zomparelli, Alessandro; Sánchez-Arcilla Conejo, Agustín (2016-03)
Comunicació de congrés
Accés restringit per política de l'editorialPresent 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
Accés obertLos 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
Accés obertField 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)
Text en actes de congrés
Accés restringit per política de l'editorialNeste 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)
Text en actes de congrés
Accés restringit per política de l'editorialNowadays 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 obertCapturing 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)
Text en actes de congrés
Accés obertPreliminary 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)
Text en actes de congrés
Accés obertGILABVIR (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)
Text en actes de congrés
Accés obertThe 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 ...