Ara es mostren els items 1-20 de 71

    • A computational framework for micromechanical modelling of WC-Co composites 

      Sousa Machado, Pedro Vinicius; Caner, Ferhun Cem; Llanes Pitarch, Luis Miguel; Jiménez Piqué, Emilio (Elsevier, 2023-02)
      Article
      Accés obert
      In this study, the mechanical behavior under monotonic loads of tungsten carbide-cobalt (WC-Co) composites is investigated extensively by analyzing (1) nanoindentation tests on WC particles and Co matrix, (2) nanowires ...
    • A high order finite element formulation for the simulation of 3D Magneto-Mechanical problems with application to MRI scanners 

      Seoane, Marcos; Ledger, Paul D.; Gil Ruiz, Antonio Javier; Zlotnik, Sergio; Mallett, Mike (2019)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Transient magnetic fields generated by the gradient coils in MRI scanners induce eddy currents in their conducting components, which lead to vibrations, imaging artefacts, noise and the dissipation of heat. Heat dissipation ...
    • A high-performance electromagnetic code to simulate high-temperature superconductors 

      Soba, Alejandro; Fernandez Serracanta, Oriol; Lorenzo, Jose; Garcin, Diego; Houzeaux, Guillaume; Lamas, Neil; Granados, Xavier; Mantsinen, Mervi M. (Elsevier, 2024-04)
      Article
      Accés restringit per política de l'editorial
      Superconductivity is a physical phenomenon of some materials that allow them to conduct electrical current without resistance. This property has a wide range of applications. In particular, type-II high-temperature ...
    • A low-power-consumption out-of-Plane electrothermal actuator 

      Girbau Sala, David; Llamas Morote, Marco Antonio; Casals Terré, Jasmina; Simó Selvas, Francisco Javier; Pradell i Cara, Lluís; Lázaro Guillén, Antoni (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2007-06-30)
      Article
      Accés obert
      This paper proposes a new vertical electrothermal actuator. It can be considered as a hybrid between the traditional in-plane buckle-beam actuator and the vertical hot-cold actuator. It is here referred to as vertical ...
    • A numerical study of curved steel I-girders subjected to shear 

      Mirambell Arrizabalaga, Enrique; Rodríguez, Ezequiel; Rodríguez, Ángel Alberto (2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The use of steel I-girders that are curved in plan is common in civil engineering, being used in structures such as roads and footbridges. The current European design provisions for steel I-girders are covered by Eurocode ...
    • A simple and effective 1D-element discrete-based method for computational bone remodeling 

      Quexada Rodríguez, Diego; Márquez Flórez, Kalenia; Cerrolaza Rivas, Miguel Enrique; Duque Daza, Carlos; Trabelsi, Olfa; Velasco, M. A.; Ramtani, Salah; Ho-Ba-Tho, Marie Christine; Garzon Alvarado, D. A. (Gordon and Breach Science Publishers, 2022-02)
      Article
      Accés obert
      In-silico models applied to bone remodeling are widely used to investigate bone mechanics, bone diseases, bone-implant interactions, and also the effect of treatments of bone pathologies. This paper proposes a new methodology ...
    • Accounting for differences in element size and homogeneity when comparing Finite Element models: Armadillos as a case study 

      Marcé Nogué, Jordi; de Esteban-Trivigno, Soledad; Escrig Pérez, Christian; Gil Espert, Lluís (2016-08)
      Article
      Accés obert
      Computing the average Von Mises stress of Finite Element Models to obtain a single measurement that represents the relative strength of vertebrate structures has been used recently in different works in palaeobiology. ...
    • Alto desempenho: o concreto armado do século XXI? 

      Lorrain, Michel S.; Pinto Barbosa, Mônica; Arnaud, Maurice; Gamino, André Luis (Universitat Politècnica de Catalunya, 2007)
      Article
      Accés obert
      This work is about the 21st century reinforced concrete analysis under the point of view of its constituent materials. First of all it is described the theoretical approach of the bending elements calculated based on the ...
    • Analysis and mitigation of stray capacitance effects in resistive high-voltage dividers 

      Riba Ruiz, Jordi-Roger; Capelli, Francesca; Moreno Eguilaz, Juan Manuel (Multidisciplinary Digital Publishing Institute (MDPI), 2019-06-14)
      Article
      Accés obert
      This work analyzes the effects of the parasitic or stray distributed capacitance to ground in high-voltage environments and assesses the effectiveness of different corrective actions to minimize such effects. To this ...
    • Analysis of border ring modes on SMR-BAW resonators 

      Udaondo Guerrero, Carlos; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; Aigner, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      An equivalent circuit model is proposed in order to model the Border Ring (BR) spurious modes on Type I Solidly Mounted Resonators (SMR) BAW resonators and the cancellation of the in-band lateral modes that the BR frame ...
    • Analysis of inhomogeneous and anisotropic waveguides by the finite element method 

      Ferrando Bataller, Miquel (IEEE Press, 1993)
      Text en actes de congrés
      Accés obert
      Two numerically efficient procedures for the analysis of arbitrarily-shaped inhomogeneous and anisotropic waveguides showing no spurious modes are considered. The first is based on a transverse magnetic-field formulation, ...
    • Analytical and simplified numerical approaches of FRCM pipes 

      Bernat Masó, Ernest; Mercedes Cedeño, Luis Enrique; Gil Espert, Lluís (Elsevier, 2020-06-30)
      Article
      Accés obert
      Despite the well-known advantages of fabric-reinforced cementitious matrix (FRCM), few applications of this composite material have been proposed apart from structural strengthening. To exploit material corrosion resistance, ...
    • Analytical derivation of seismic fragility curves for historical masonry structures based on stochastic analysis of uncertain material parameters 

      Saloustros, Savvas; Pelà, Luca; Contrafatto, Francesca Romana; Roca Fabregat, Pedro; Petromichelakis, Yiannis (Taylor & Francis, 2019-10)
      Article
      Accés obert
      This work presents a probabilistic method to assess the seismic vulnerability of historical masonry structures, such as churches or cathedrals, including uncertainty analysis of the material parameters. The proposed approach ...
    • Análisis de las condiciones definidas por el usuario en la modelización de vigas armadas sometidas a flexión -cortante según EN1993-1-5 

      Montelongo Jr., Jaime (Universitat Politècnica de Catalunya, 2014-02-27)
      Projecte Final de Màster Oficial
      Accés obert
    • Application of the measured equation of invariance to transmission. 

      Prouty, M.D.; Pous Andrés, Rafael; Mei, K.K. (Sociedad Española de Mineralogía, 1993)
      Text en actes de congrés
      Accés obert
      The MEI (measured equation of invariance) method can easily be applied to static analyses of uniform transmission lines, such as single and coupled microstrip lines. Laplace's equation is solved for the static electric ...
    • Application of the partial Dirichlet–Neumann contact algorithm to simulate low-velocity impact events on composite structures 

      Guillamet, Gerard; Quintanas Corominas, Adrià; Rivero, Matías; Houzeaux, Guillaume; Vázquez, Mariano; Turon, Albert (Elsevier, 2023)
      Article
      Accés restringit per política de l'editorial
      Impact simulations for damage resistance analysis are computationally intensive due to contact algorithms and advanced damage models. Both methods, which are the main ingredients in an impact event, require refined meshes ...
    • Assessment of the energy consumption and drivability performance of an IPMSM-driven electric vehicle using different buried magnet arrangements 

      Asef, Pedram; Bargalló Perpiñá, Ramón; Lapthorn, Andrew; Sorniotti, Aldo (2021-03-04)
      Article
      Accés obert
      This study investigates the influence of the buried magnet arrangement on the efficiency and drivability performance provided by an on-board interior permanent magnet synchronous machine for a four-wheel-drive electric car ...
    • Computational and experimental approach of the phenomenology in the impact of a hen eggshell 

      Marcé Nogué, Jordi; Pérez Martínez, Marco Antonio; Gil Espert, Lluís; Vila, Bernat; Fortuny, Josep; Sellés, Albert G.; Galobart, Àngel (2013)
      Text en actes de congrés
      Accés obert
      An impact test of the crash of a hen egg and a computational simulation using Finite Element Analysis (FEA) have been implemented to determine the different types of failure occurred correlating with the values and the ...
    • Constrained-size torque maximization in SynRM machines by means of genetic algorithms 

      López Torres, Carlos; Sala Cardoso, Enric; García Espinosa, Antonio; Romeral Martínez, José Luis (2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Synchronous Reluctance Motors have always been an alternative to more mainstream machines such as the Permanent Magnet Synchronous Motor, but until recently they have not found their right place in industrial applications. ...
    • Cylindrical microplane model for fiber reinforced polymer composites 

      Sabounchi, Saeed (Universitat Politècnica de Catalunya, 2023-04-13)
      Tesi
      Accés obert
      (English) Fiber-reinforced polymers (FRPs) are the most used composite materials in many applications, from broom handle to the main structure of advanced aircraft. Despite the enormous research done on these materials, ...