Exploració per autor "Cervera Ruiz, Miguel"
Ara es mostren els items 36-55 de 137
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Buildability modeling of 3D-printed concrete including printing deviation: a stochastic analysis
Zhu, Jinggao; Ren, Xiaodan; Cervera Ruiz, Miguel (2023-11)
Article
Accés restringit per política de l'editorialOwing to the formwork-free construction, 3D concrete printing shows great prospects in construction industry. However, this manner also results in non-verified geometric precision, which is prone to generate uncontrolled ... -
Challenges, tools and applications of tracking algorithms in the numerical modelling of cracks in concrete and masonry structures
Saloustros, Savvas; Cervera Ruiz, Miguel; Pelà, Luca (2019-09)
Article
Accés obertThe importance of crack propagation in the structural behaviour of concrete and masonry structures has led to the development of a wide range of finite element methods for crack simulation. A common standpoint in many of ... -
Comparison of a fluid and a solid approach for the numerical simulation of friction stir welding with a non-cylindrical Pin
Bussetta, P.; Dialamishabankareh, Narges; Boman, Romain; Chiumenti, Michele; Agelet de Saracibar Bosch, Carlos; Cervera Ruiz, Miguel; Ponthot, J-P. (CIMNE, 2013)
Text en actes de congrés
Accés obertFriction stir welding (FSW) process is a solid-state joining process during which materials to be joined are not melted. As a consequence, the heat-affected zone is smaller and the quality of the weld is better with respect ... -
Comparison of a fluid and a solid approach for the numerical simulation of friction stir welding with a non-cylindrical pin
Bussetta, Philippe; Dialamishabankareh, Narges; Boman, Romain; Chiumenti, Michele; Agelet de Saracibar Bosch, Carlos; Cervera Ruiz, Miguel; Ponthot, Jean Philippe (2013)
Text en actes de congrés
Accés obert -
Computational characterization of polymeric materials 3D-printed via fused filament fabrication
Dialamishabankareh, Narges; Rivet Fernández, Iván; Cervera Ruiz, Miguel; Chiumenti, Michele (Taylor & Francis Group, 2022-02)
Article
Accés obertThis work develops a novel homogenization-based computational strategy for predicting the mechanical properties of fused filament fabricated parts by characterizing the component according to the different printing patterns ... -
Computational modeling of multi-pass welding and metal deposition processes
Chiumenti, Michele; Cervera Ruiz, Miguel; Dialami, Narges; Agelet de Saracibar Bosch, Carlos (European Scientific Association For Material Forming (ESAFORM), 2009)
Text en actes de congrés
Accés restringit per política de l'editorialIn this work a computational model for the numerical simulation of multi-pass welding and metal deposition processes is presented. A fully coupled thermo-mechanical solution, including phase-change phenomena and shrinkage ... -
Construction process numerical simulation and seismic assessment of Mallorca Cathedral
Roca Fabregat, Pedro; Pelà, Luca; Cervera Ruiz, Miguel; Clemente, Roberto (IB2MaC, 2012)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents a numerical study of Mallorca Cathedral carried out by means of a FE approach devised for the study of this complex historical construction. Previous studies, including inspection and historical research, ... -
Continuum FE models for the analysis of Mallorca Cathedral
Roca Fabregat, Pedro; Cervera Ruiz, Miguel; Pelà, Luca; Clemente, Roberto; Chiumenti, Michele (2013)
Article
Accés restringit per política de l'editorialFrom the theoretical point of view, systems composed by masonry arches or vaults would require, during construction, the simultaneous activation of all structural elements in order to reach the optimum balance of thrusts. ... -
Continuum model for inelastic behaviour of masonry
Pelà, Luca; Cervera Ruiz, Miguel; Roca Fabregat, Pedro (2011)
Text en actes de congrés
Accés obertA continuum model capable of modelling the inelastic behaviour of masonry is presented. The model includes the description of viscoelasticity, orthotropic damage and tensile crack localization. The theoretical framework ... -
Coupled thermo-mechanical analysis for the numerical simulation of welding processes
Chiumenti, Michele; Cervera Ruiz, Miguel; Agelet de Saracibar Bosch, Carlos (Centro Internacional de Métodos Numéricos en Ingeniería (CIMNE), 2009)
Text en actes de congrés
Accés restringit per política de l'editorialThe aim of this paper consists of both the description of the formulation adopted for the numerical simulation of the Metal Deposition process (MD) and the experimental work carried out at ITP Industry (Industria de Turbo ... -
Crack-free laser powder bed fusion by substrate design
Lu, Xufei; Zhang, Wenyou; Chiumenti, Michele; Cervera Ruiz, Miguel (Elsevier, 2022-11)
Article
Accés obertAdditively manufactured components by laser powder bed fusion (LPBF) often suffer from stress-induced cracks (e.g. delamination), especially at the build-substrate interfaces where stiff mechanical constraints and large ... -
Cracking of quasi-brittle structures under monotonic and cyclic loadings: a d+/d- damage model with stiffness recovery in shear
Cervera Ruiz, Miguel; Tesei, Claudia; Ventura, Giulio (2018-03)
Article
Accés obertIn the present paper, a new d+/d- damage model apt for quasi-brittle materials is described and its validation is carried out considering unreinforced concrete, reinforced concrete and masonry elements.Two independent ... -
Defect formation and material flow in Friction Stir Welding
Dialamishabankareh, Narges; Cervera Ruiz, Miguel; Chiumenti, Michele (2020-03)
Article
Accés obertThis work addresses the issue of the simulation and prediction of defect formation through the analysis of the material mixing during Friction Stir Welding (FSW). A coupled thermomechanical model is used for the FSW ... -
Desarrollo de herramientas de autoaprendizaje multimedia para cálculo de estructuras por ordenador en ingeniería
García Espinosa, Julio; Martínez, Javier; Yebra, Daniel; Cervera Ruiz, Miguel; Oñate Ibáñez de Navarra, Eugenio; Oller, Sergio; Suárez, Benjamín (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2013-02-08)
Text en actes de congrés / Comunicació de congrés
Accés obertEn este proyecto se han desarrollado herramientas multimedia de autoaprendizaje para cálculo de estructuras por el método de los elementos finitos (MEF). Estas herramientas permitirán mejorar la formación de los ... -
Effect of pier-spandrel geometry on the in-plane response of masonry structures
Saloustros, Savvas; Pelà, Luca; Cervera Ruiz, Miguel; Roca Fabregat, Pedro; D'Ayala, Dina (Taylor & Francis, 2016)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents a numerical study on the effect of the relative geometry between piers and spandrels in the structural response of regular masonry frames against horizontal loading. A sensitivity analysis is carried ... -
Effect of the tool tilt angle on the heat generation and the material flow in friction stir welding
Dialamishabankareh, Narges; Cervera Ruiz, Miguel; Chiumenti, Michele (Multidisciplinary Digital Publishing Institute (MDPI), 2019-01)
Article
Accés obertThis work studies the effect of the tool tilt angle on the generated heat and the material flow in the work pieces joint by Friction Stir Welding (FSW). An apropos kinematic framework together with a two-stage speed-up ... -
Effect of the tool tilt angle on the heat generation and the material flow in Friction Stir Welding
Dialamishabankareh, Narges; Cervera Ruiz, Miguel; Chiumenti, Michele (Multidisciplinary Digital Publishing Institute (MDPI), 2019)
Capítol de llibre
Accés obertThis work studies the effect of the tool tilt angle on the generated heat and the material flow in the work pieces joint by Friction Stir Welding (FSW). An apropos kinematic framework together with a two-stage speed-up ... -
Elementos finitos mixtos estabilizados para flujos confinados de Bingham y de Herschel-Bulkley Parte II: soluciones numéricas
Moreno, Elvira; Cervera Ruiz, Miguel (Universitat Politècnica de Catalunya. CIMNE, 2016)
Article
Accés obertEste trabajo trata el modelado numérico de los fluidos viscoplásticos de Bingham y de Herschel-Bulkley por medio del método de los elementos finitos mixtos estabilizados velocidad/presión. Se usa el modelo viscoplásticos ... -
Elementos finitos mixtos estabilizados para flujos confinados de Bingham y de Herschel-Bulkley. Parte I: Formulación
Moreno, Elvira; Cervera Ruiz, Miguel (Universitat Politècnica de Catalunya. CIMNE, 2016-04)
Article
Accés obertThis work presents a methodology for the solution of the Navier-Stokes equations for Bingham and Herschel-Bulkley viscoplastic fluids using stabilized mixed velocity/pressure finite elements. The theoretical formulation ... -
Enhanced friction model for Friction Stir Welding (FSW) analysis: simulation and experimental validation
Dialami, Narges; Chiumenti, Michele; Cervera Ruiz, Miguel; Segatori, A.; Osikowicz, W. (2017-11)
Article
Accés obertFriction is one of the main heat generation mechanisms in Friction Stir Welding (FSW). This phenomenon occurs between the pin and the workpiece as the rotating tool moves along the weld line. An accurate friction model is ...