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    • bROM: An extension of beam theory through model order reduction 

      Rubio Serrano, Raúl; Ferrer Ferré, Àlex; Hernández Ortega, Joaquín Alberto; Martínez García, Javier (Elsevier, 2024-07)
      Article
      Accés restringit per política de l'editorial
      Beam analysis played a crucial role in the design of structures throughout modern history. Classical beam theories rely on analytical derivations under certain a priori kinematic assumptions (and are accurate with low ...

    • Deep Learning and Image data-based surface cracks recognition of laser nitrided Titanium alloy 

      Rizwan Awan, Muhammad; Chan, Chi-Wai; Murphy, Adrian; Kumar, Dileep; Goel, Saurav; McClory, Caroline (Elsevier, 2024-06-21)
      Article
      Accés obert
      Laser nitriding, a high-precision surface modification process, enhances the hardness, wear resistance and corrosion resistance of the materials. However, laser nitriding process is prone to appearance of cracks when the ...

    • Qualitative study of the Selkov model 

      Llibre Saló, Jaume; Pantazi, Chara (Elsevier, 2024-06-05)
      Article
      Accés obert
      The Selkov oscillator was formulated in 1968 and now it is a classical model for studying the glycolysis. It is a differential system of two equations depending on two parameters in dimensionless variables. When the two ...

    • E-bike load demand estimation for transport using cartographic data 

      Ngendahayo, Aimable; Junyent Ferré, Adrià; Rodríguez Bernuz, Joan Marc; Ntagwirumugara, Etiene (2024-06-01)
      Article
      Accés obert
      In remote areas of Sub-Saharan Africa, as well as in Rwanda, communities face the problem of finding an affordable and suitable way of transport for their daily life. Currently, the short-range transportation of people and ...

    • Neural network. Game theory coupled approach for predicting flexural performance of fibre-reinforced concrete 

      López Carreño, Rubén-Daniel; Ikumi Montserrat, Tai; Fuente Antequera, Albert de la; Galeote Moreno, Eduardo; Pujadas Álvarez, Pablo (Elsevier, 2024-06-01)
      Article
      Accés restringit per política de l'editorial
      The addition of fibres to concrete is an effective solution for enhancing its post-cracking tensile strength (fctR). Currently, this property is characterized through high-cost and time-consuming experimental tests since ...

    • Enhancing char formation of flame retardant epoxy composites: Onigiri-like ZIF-67 modification with carboxymethyl ß-cyclodextrin crosslinking 

      Li, Qianlong; Han, Zhengde; Song, Xiaoning; Pan, Ye Tang; Geng, Zhishuai; Vahabi, Henri; Redondo Realinho, Vera Cristina de; Yang, Rongjie (Elsevier, 2024-06-01)
      Article
      Accés restringit per política de l'editorial
      To enhance char formation of flame retardant epoxy (EP) composites, carboxymethyl ß-cyclodextrin (CM-ß-CD) is employed as an etchant for or ZIF-67 derivatives. In the early stage, etching plays a dominant role. The mismatch ...

    • Flow regime analysis of high-pressure transcritical fluids in microducts 

      Bandarrinha Monteiro, Carlos Alexandre; Jofre Cruanyes, Lluís (2024-06)
      Article
      Accés obert
      Microduct flows are known for their inherent laminar regimes resulting from the characteristic small dimensions and low velocities. In this regard, direct numerical simulations are employed to investigate an innovative ...

    • Nonlinear observer for online concentration estimation in vanadium flow batteries based on half-cell voltage measurements 

      Puleston, Thomas Paul; Cecilia Piñol, Andreu; Costa Castelló, Ramon; Serra, Maria (Elsevier, 2024-06)
      Article
      Accés obert
      This paper presents a nonlinear observer to estimate the active species concentrations in vanadium flow batteries. To conduct the estimation, the observer relies only on current, flow rate and two half-cell voltage ...

    • Asymptotic motions converging to arbitrary dynamics for time-dependent Hamiltonians 

      Scarcella, Donato (Elsevier, 2024-06)
      Article
      Accés obert
      Dynamical systems subject to perturbations that decay over time are relevant in the description of many physical models, e.g. when considering the effect of a laser pulse on a molecule, in epidemiological studies, as well ...

    • Validation of the Spanish version of the IVI_C VRQoL in children from 8 to 18 years old 

      Fresno Cañada, Carlos; Gispets Parcerisas, Joan; Fresno Cañada, Nazaret; Salvador Hernandez, Hector; Llorca Cardeñosa, Ana; Martinez Roda, Alejandro; Prat Bartomeu, Joan (Elsevier, 2024-06)
      Article
      Accés obert
      Purpose: To validate the Spanish version of the Impact of Vision Impairment for Children (IVI_C), a vision-related quality of life (VRQoL) questionnaire, using Rasch Analysis. Methods: A translation and adaptation of the ...

    • Enhancing performance evaluation of low-cost inclinometers for the long-term monitoring of buildings 

      Lozano Galant, Fidel; Emadi, Seyyedbehrad; Komarizadehasl, Seyedmilad; González-Arteaga, Jesús; Xia, Ye (Elsevier, 2024-06)
      Article
      Accés restringit per política de l'editorial
      The development of low-cost structural and environmental sensors has revolutionized monitoring practices across numerous fields, enabling cost-effective solutions for infrastructure and building health assessment. However, ...

    • New characterizations and a concept of potential for each multinomial (probabilistic) value 

      Domènech Blázquez, Margarita; Giménez Pradales, José Miguel; Puente del Campo, María Albina (Elsevier, 2024-05-15)
      Article
      Accés obert
      In this paper we focus on multinomial probabilistic values and we consider two special classes of players: necessary and nullifying players. By introducing new properties related to this kind of players, we provide new ...

    • MEMS miniaturized low-noise magnetic field sensor for the observation of sub-millihertz magnetic fluctuations in space exploration 

      Manyosa i Vilardell, Xavier; Roma Dollase, David; Arqué, M.; Bonastre Majoral, Biel; Jiménez Serres, Vicente; Ramos Castro, Juan José; Pons Nin, Joan; Martín Hernández, Víctor; Salvans Tort, Josep; Gómez, Susan F.; Domínguez Pumar, Manuel (Elsevier, 2024-05-15)
      Article
      Accés obert
      The objective of this paper is to show that, using magnetic field modulation with a MEMS resonator, it is possible to reduce the noise floor of a commercial Tunneling Magnetic Resistance by one order of magnitude, in the ...

    • High-order cell-centered finite volume method for solid dynamics on unstructured meshes 

      Castrillo Green, Pablo; Schillaci, Eugenio; Rigola Serrano, Joaquim (Elsevier, 2024-05-01)
      Article
      Accés restringit per política de l'editorial
      This paper introduces a high-order finite volume method for solving solid dynamics problems on three-dimensional unstructured meshes. The method is based on truncated Taylor series constructed about each control volume ...

    • Bipartite secret sharing and staircases 

      Csirmaz, Laszlo; Matús, Frantisek; Padró Laimon, Carles (Elsevier, 2024-05-01)
      Article
      Accés obert
      Bipartite secret sharing schemes have a bipartite access structure in which the set of participants is divided into two parts and all participants in the same part play an equivalent role. Such a bipartite scheme can be ...

    • A systematic approach for the adequacy analysis of a set of experimental databases: application in the framework of the ATRIUM activity 

      Baccou, Jean; Glantz, Tony; Ghione, Alberto; Sargentini, Lucia; Fillion, Philippe; Damblin, Guillaume; Sueur, Roman; Iooss, Bertrand; Fang, Jun; Freixa Terradas, Jordi (2024-05-01)
      Article
      Accés restringit per política de l'editorial
      In the Best-Estimate Plus Uncertainty (BEPU) framework, the use of best-estimate code requires to go through a Verification, Validation and Uncertainty Quantification process (VVUQ). The relevance of the experimental data ...

    • Graphs with isolation number equal to one third of the order 

      Lemanska, Magdalena; Mora Giné, Mercè; Souto Salorio, María josé (Elsevier, 2024-05-01)
      Article
      Accés restringit per política de l'editorial
      A set D of vertices of a graph G is isolating if the set of vertices not in D and with no neighbor in D is independent. The isolation number of G, denoted by , is the minimum cardinality of an isolating set of G. It is ...

    • Homomorphisms between graphs embedded in surfaces 

      Garijo Royo, Delia; Goodall, Andrew; Vena Cros, Lluís (Elsevier, 2024-05)
      Article
      Accés obert
      We extend the notion of graph homomorphism to cellularly embedded graphs (maps) by designing operations on vertices and edges that respect the surface topology; we thus obtain the first definition of map homomorphism that ...

    • On the effect of the height distribution function in adhesion of non Gaussian random rough surfaces, and a simple analytical model (BAM) 

      Pérez Rafols, Francisco; Ciavarella, Michele (Elsevier, 2024-05)
      Article
      Accés obert
      Two apparently very different theories of adhesion of rough surfaces called BAM (bearing-area-model), and that of Persson-Tosatti lead to similar predictions concerning the stickiness of Gaussian surfaces: the role of ...

    • Numerical simulation of a flexible net in currents with the smoothed particle hydrodynamics method 

      González Ávalos, Raúl Alexis; Martinez Estevez, Ivan; Domínguez Alonso, José Manuel; Altomare, Corrado; Gironella Cobos, Xavier; Cabrera Crespo, Alejandro Jacobo (Elsevier, 2024-05)
      Article
      Accés obert
      The aim of this study is to evaluate the applicability and suitability of the Smoothed Particle Hydrodynamics (SPH) method in modelling a flexible flat net in currents. SPH is a meshless Lagrangian method that discretises ...