Exploració per autor "Cervera Ruiz, Miguel"
Ara es mostren els items 73-92 de 137
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Material flow visualization in Friction Stir Welding via particle tracing
Dialami Shabandarech, Narges; Chiumenti, Michele; Cervera Ruiz, Miguel; Agelet de Saracibar Bosch, Carlos; Ponthot, Jean Philippe (2015-04)
Article
Accés obertThis work deals with the modeling of the material flow in Friction Stir Welding (FSW) processes using particle tracing method. For the computation of particle trajectories, three accurate and computationally efficient ... -
Mecánica avanzada de estructuras
Cervera Ruiz, Miguel; González Lopez, Jose Manuel (International Centre for Numerical Methods in Engineering (CIMNE), 2020)
Llibre
Accés restringit per política de l'editorial"Mecánica Avanzada de Estructuras" tiene el objetivo de proporcionar a los estudiantes de grado de ingeniería una visión y una comprensión extendida del análisis estructural y de sus aplicaciones, máas allá del comportamiento ... -
Mecánica de estructuras
Cervera Ruiz, Miguel; Blanco Díaz, Elena Irma (Edicions UPC, 2002)
Llibre
Accés restringit a la comunitat UPCConté: 1. Resistencia de materiales 2. Métodos de análisis -
Mechanical analysis and optimized performance of G-Code driven material extrusion components
Rivet Fernández, Iván; Dialamishabankareh, Narges; Cervera Ruiz, Miguel; Chiumenti, Michele; Valverde Guzmán, Quino Martín (Elsevier, 2023-01)
Article
Accés restringit per política de l'editorialIn this work an end-to-end optimization procedure to maximize the mechanical performance of Additive Manufacturing (AM) components is presented. Material Extrusion (ME) is the selected demonstrative AM technology, but the ... -
Mechanism-Based damage and failure of Fused Filament Fabrication components
Rivet Fernández, Iván; Dialamishabankareh, Narges; Cervera Ruiz, Miguel; Chiumenti, Michele (Elsevier, 2024-02)
Article
Accés restringit per política de l'editorialFused Filament Fabrication (FFF) is a polymer-based Additive Manufacturing (AM) technology that produces complex layered components. The characterization of the inherited orthotropic properties of FFF components and their ... -
Mitigation of residual stresses and microstructure homogenization in directed energy deposition processes
Lu, Xufei; Chiumenti, Michele; Cervera Ruiz, Miguel; Zhang, Guohao; Lin, Xin (2022-12)
Article
Accés obertIn additive manufacturing (AM), residual stresses and microstructural inhomogeneity are detrimental to the mechanical properties of as-built AM components. In previous studies, the reduction of the residual stresses and ... -
Mixed Stabilized Finite Element Methods in Nonlinear Solid Mechanics. Part I: Formulation
Cervera Ruiz, Miguel; Chiumenti, Michele; Codina, Ramon (2009-07-22)
Article
Accés obertThis paper exploits the concept of stabilized finite element methods to formulate stable mixed stress/displacement and strain/displacement finite elements for the solution of nonlinear solid mechanics problems. The different ... -
Mixed Stabilized Finite Element Methods in Nonlinear Solid Mechanics. Part II: Strain Localization
Cervera Ruiz, Miguel; Chiumenti, Michele; Codina, Ramon (2009-07-22)
Article
Accés obertThis paper deals with the question of strain localization associated with materials which exhibit softening due to tensile straining. A standard local isotropic Rankine damage model with strain-softening is used as exemplary ... -
Mixed stabilized finite element methods in nonlinear solid mechanics. Part III: compressible and incompressible plasticity
Cervera Ruiz, Miguel; Chiumenti, Michele; Benedetti, Lorenzo; Codina, Ramon (2015-03)
Article
Accés obertThis paper presents the application of a stabilized mixed strain/displacement finite element formulation for the solution of nonlinear solid mechanics problems involving compressible and incompressible plasticity. The ... -
Modeling material failure in concrete structures under cyclic actions
Faria, R; Oliver Olivella, Xavier; Cervera Ruiz, Miguel (2004-12)
Article
Accés obertA constitutive model devised for the analysis of concrete structures, and suitable for generic two- or three-dimensional applications, is presented and validated. For plain concrete a tension-compression distinguishing ... -
Modeling of microstructure evolution of Ti6Al4V for additive manufacturing
Salsi, Emilio; Chiumenti, Michele; Cervera Ruiz, Miguel (Multidisciplinary Digital Publishing Institute (MDPI), 2018-08)
Article
Accés obertAM processes are characterized by complex thermal cycles that have a deep influence on the microstructural transformations of the deposited alloy. In this work, a general model for the prediction of microstructure evolution ... -
Modeling of spillage and debris floods as Newtonian and Viscoplastic Bingham flows with free surface with mixed stabilized finite elements
Moreno, Elvira; Dialamishabankareh, Narges; Cervera Ruiz, Miguel (2021-04)
Article
Accés obertThis work deals with the numerical modeling of spillage and debris floods as Newtonian and viscoplastic Bingham flows with free surface using mixed stabilized finite elements. The main objective is the determination of the ... -
Modeling of the effect of the building strategy on the thermomechanical response of Ti-6Al-4V rectangular parts manufactured by laser directed energy deposition
Lu, Xufei; Cervera Ruiz, Miguel; Chiumenti, Michele; Li, Junjie; Ji, Xianglin; Zhang, Guohao; Lin, Xin (Multidisciplinary Digital Publishing Institute (MDPI), 2020-12)
Article
Accés obertPart warpage and residual stress are two of the main challenges for metal additive manufacturing (AM) as they result in lower geometric precision and poor mechanical properties of the products. This work investigates the ... -
Modelling of Bingham and Herschel-Bulkley flows with mixed P1/P1 finite elements stabilized with Orthogonal Subgrid Scale
Moreno, Elvira; Larese De Tetto, Antonia; Cervera Ruiz, Miguel (2016-02)
Article
Accés obertThis paper presents the application of a stabilized mixed pressure/velocity finite element formulation to the solution of viscoplastic non-Newtonian flows. Both Bingham and Herschel–Bulkley models are considered. The detail ... -
El modelo de daño localizado aplicado al análisis de estructuras de obra de fábrica
Clemente, Roberto; Cervera Ruiz, Miguel; Roca Fabregat, Pedro (Universitat Politècnica de Catalunya, 2008)
Article
Accés obertLa simulación de fisuras localizadas en materiales cuasifrágiles mediante la mecánica computacional es un tema de investigación que aún se encuentra abierto. En este trabajo se plantea un modelo continuo para estudiar la ... -
Numerical analysis of the manufacturing processes of a mock-up of the ITER NHF First Wall Panel
González Lopez, Jose Manuel; Chiumenti, Michele; Cervera Ruiz, Miguel; Agelet de Saracibar Bosch, Carlos (2018-10)
Article
Accés obertThe objective of ITER is to build a new Tokamak, with the goal of demonstrating the scientific and technical feasibility of fusion power. The First Wall Panels are the inner component of the reactor, built with different ... -
Numerical and experimental analysis of the structural performance of AM components built by fused filament fabrication
Dialamishabankareh, Narges; Chiumenti, Michele; Cervera Ruiz, Miguel; Rossi, Riccardo; Chasco, Uxue; Domingo, Miquel (Springer, 2021-03)
Article
Accés restringit per política de l'editorialThis work analyses the performance of parts built by Additive Manufacturing (AM) using Fused Filament Fabrication (FFF) demonstrating the correlation between the printing orientation and structural performance. FFF components ... -
Numerical methods
Agelet de Saracibar Bosch, Carlos; Boman, Romain; Bussetta, Philippe; Cajas García, Juan Carlos; Cervera Ruiz, Miguel; Chiumenti, Michele; Coll Sans, Abel; Dadvand, Pooyan; Hernández Ortega, Joaquín Alberto; Houzeaux, Guillaume; Pasenau de Riera, Miguel; Ponthot, Jean Philippe (Wiley, 2016)
Capítol de llibre
Accés restringit per política de l'editorialAs one of the results of an ambitious project, this handbook provides a well-structured directory of globally available software tools in the area of Integrated Computational Materials Engineering (ICME). The compilation ... -
Numerical modeling of the electron beam welding and its experimental validation
Chiumenti, Michele; Cervera Ruiz, Miguel; Dialami, Narges; Wu, Bin; Jinwei, L.; Agelet de Saracibar Bosch, Carlos (2016-11)
Article
Accés obertElectron Beam Welding (EBW) is a highly efficient and precise welding method increasingly used within the manufacturing chain and of growing importance in different industrial environments such as the aeronautical and ... -
Numerical modelling and experimental validation in Selective Laser Melting
Chiumenti, Michele; Miranda Neiva, Eric; Salsi, Emilio; Cervera Ruiz, Miguel; Badia, Santiago; Moya, Joan; Chen, Zhuoer; Lee, Caroline; Davies, Christopher (2017-12)
Article
Accés obertIn this work a finite-element framework for the numerical simulation of the heat transfer analysis of additive manufacturing processes by powder-bed technologies, such as Selective Laser Melting, is presented. These kind ...