Exploració per autor "Martínez García, Javier"
Ara es mostren els items 21-40 de 58
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Fatigue analysis of a naval composite structure
Jurado Granados, Joel; Martínez García, Javier; Barbu, Lucia Gratiela; Capua, Daniel di (CRC Press, 2020)
Text en actes de congrés
Accés restringit per política de l'editorialThe use of composite materials in marine industry has many potential benefits, such as lower weight. However, there are still some failure mechanisms, such as fatigue, that are not yet completely under- stood. This work ... -
Fatigue prediction of composite materials, based on serial/parallel mixing theory
Jurado Granados, Joel; Martínez García, Javier; Barbu, Lucia Gratiela; Capua, Daniel di (2022-03-31)
Article
Accés restringit per política de l'editorialIn this work, a numerical procedure to obtain the fatigue performance of composite laminates is proposed. The formulation used is based on the Serial/Parallel Mixing Theory (SP-RoM) and a fatigue damage model. The SP-RoM ... -
FIBRESHIP: A great step forward in the design and construction of lightweight large-length vessels
Martínez García, Javier; Jurado Granados, Joel; Jurado, Alfonso; García Espinosa, Julio (2021)
Text en actes de congrés
Accés restringit per política de l'editorialThe application of composite materials in large-length shipbuilding is attracting considerable attention thanks to their significant expected structural weight reduction, resulting in advantages such as bunkering savings, ... -
Guidelines for seismic vulnerability reduction in the urban environment: LESSLOSS report no. 2007/04
Oller Martínez, Sergio Horacio; Barbat Barbat, Horia Alejandro; Mata Almonacid, Pablo; Martínez García, Javier (IUSS Press, 2007-07)
Llibre
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High cycle fatigue simulation: a new stepwise load-advancing strategy
Barbu, Lucia Gratiela; Oller Martínez, Sergio Horacio; Martínez García, Javier; Barbat Barbat, Horia Alejandro (2015-08)
Article
Accés obertA stepwise load-advancing strategy for cyclic loading will be presented in this paper that yields convergence in reasonable computational time for highly nonlinear behaviour occurring past the S–N curve. The algorithm is ... -
High-cycle fatigue constitutive model and a load-advance strategy for the analysis of unidirectional fiber reinforced composites subjected to longitudinal loads
Barbu, Lucia Gratiela; Oller Martínez, Sergio Horacio; Martínez García, Javier; Barbat Barbat, Horia Alejandro (2019-07)
Article
Accés obertA fatigue constitutive model valid for the composite constituent will be presented in this paper. The composite behaviour will be obtained by means of the serial/parallel mixing theory that is also used as a constitutive ... -
High-quality crystalline optical nanoantennas
Martínez García, Javier (Universitat Politècnica de Catalunya, 2012-09-10)
Projecte Final de Màster Oficial
Accés obert[ANGLÈS] Nowadays there is an increasing interest in high resolution nanopatterning of plasmonic structures. Several approaches mainly based on thermal evaporation of poly-crystalline metallic films are limited by the ... -
Impact damage prediction in carbon fiber-reinforced laminated composite using the matrix-reinforced mixing theory
Pérez Martínez, Marco Antonio; Martínez García, Javier; Oller Martínez, Sergio Horacio; Gil Espert, Lluís; Rastellini, Fernando G.; Flores, Fernando (2013-10-01)
Article
Accés obertThe impact damage tolerance of fiber-reinforced laminated composite materials is a source of concern, mainly due to internal induced damage which causes large reductions on the strength and stability of the structure. This ... -
Large scale validation of a new isotropic hardening law for the barcelona plastic damage model under ultra low cycle fatigue conditions
Barbu, Lucia Gratiela; Martínez García, Javier; Oller Martínez, Sergio Horacio; Barbat Barbat, Horia Alejandro (CIMNE, 2015)
Text en actes de congrés
Accés obertThis paper presents the results of finite element simulations made on a bent pipe subjected to an in-plane variable cyclic displacement combined with internal pressure. The results of the numerical analyses will be compared ... -
Methodology for the analysis of post-tensioned structures using a constitutive serial-parallel rule of mixtures
Cornejo, Alejandro; Barbu, Lucia Gratiela; Escudero Torres, Cuauhtemoc; Martínez García, Javier; Oller Martínez, Sergio Horacio; Barbat Barbat, Horia Alejandro (2018-09)
Article
Accés obertThe main purpose of this paper is to develop a reliable method based on a three-dimensional (3D) finite-element (FE) model to simulate the constitutive behaviour of reinforced concrete structures strengthened with ... -
Methodology for the analysis of post-tensioned structures using a constitutive serial-parallel rule of mixtures: large scale non-linear analysis
Barbu, Lucia Gratiela; Cornejo Velázquez, Alejandro; Martínez García, Javier; Oller Martínez, Sergio Horacio; Barbat Barbat, Horia Alejandro (2019-05)
Article
Accés obertThe main purpose of this paper is to develop a reliable method based on a three-dimensional (3D) finite-element (FE) model to simulate the constitutive behaviour of reinforced concrete structures strengthened with ... -
Model-wise algorithm for the resolution of fatigue problems
Barbu, Lucia Gratiela; Oller Martínez, Sergio Horacio; Martínez García, Javier; Barbat Barbat, Horia Alejandro (CIMNE, 2015)
Text en actes de congrés
Accés obertThe present work presents a general constitutive model formulation and a numerical algorithm for automatically selecting the appropriate coupling of damage and plasticity as a function of the number of cycles the material ... -
Modelling the elastic behaviour of carbon nanotube-reinforced composites
Otero-Gruer, Fermín; Oller Martínez, Sergio Horacio; Martínez García, Javier; Salomón, Ramón Omar (2011)
Text en actes de congrés
Accés restringit per política de l'editorialCarbon nanotubes (CNTs), since their discovery by Lij ima in 1991 [1], are considered a new generation of reinforcement [2]. Their "nano" size structure makes them potentially free of defects, which provides them with ... -
Modelling viscoelastic behaviour of carbón nanotube-reinforced thermo-plastics
Otero Gruer, Fermín Enrique; Oller Martínez, Sergio Horacio; Martínez García, Javier; Salomón, Ramón Omar (Asociación Argentina de Mecánica Computacional, 2012)
Text en actes de congrés
Accés obertCarbon nanotubes (CNTs), since their discovery by Lijima (S. Lijima, Nature, 354:56-58 (1991)), are considered a new generation of reinforcement. Their "nano" size structure makes them potentially free of defects, which ... -
Multi-objective multi-scale optimization of composite structures, application to an aircraft overhead locker made with bio-composites
Martínez García, Javier; Pons Prats, Jordi; Turon Pujol, Francesc; Coma Company, Martí; Barbu, Lucia Gratiela; Bugeda Castelltort, Gabriel (Multidisciplinary Digital Publishing Institute (MDPI), 2022-12-28)
Article
Accés obertThe use of composite materials has grown exponentially in transport structures due to their weight reduction advantages, added to their capability to adapt the material properties and internal micro-structure to the ... -
Multi-scale procedure for the mechanical analysis of composite laminate structures considering mixed boundary conditions
Turon Pujol, Francesc; Otero Gruer, Fermín Enrique; Martínez García, Javier (2023-10)
Article
Accés obertThis paper presents a multi-scale procedure for the study of flat composite structures with discontinuities. In this procedure, the structure is solved using shell elements while the laminate performance and the structural ... -
Multiscale computational homogenization
Otero Gruer, Fermín Enrique; Oller Martínez, Sergio Horacio; Martínez García, Javier (Centro de Investigación en Matemáticas, 2017)
Capítol de llibre
Accés restringit per política de l'editorial -
Multiscale computational homogenization: review and proposal of a new enhanced-first-order method
Otero Gruer, Fermín Enrique; Oller Martínez, Sergio Horacio; Martínez García, Javier (2018-04)
Article
Accés obertThe continuous increase of computational capacity has encouraged the extensive use of multiscale techniques to simulate the material behaviour on several fields of knowledge. In solid mechanics, the multiscale approaches ... -
Multiscale numerical modelling of microstructured reinforced composites
Otero Gruer, Fermín Enrique; Oller Martínez, Sergio Horacio; Martínez García, Javier (International Centre for Numerical Methods in Engineering (CIMNE), 2016)
Llibre
Accés obertMost of the existing materials around us can be considered composite materials, since they are composed by several phases or components at certain spatial scale. The physical and chemical properties of composites, as occurs ... -
Multiscale thermo-mechanical analysis of multi-layered coatings in solar thermal applications
Montero-Chacón, Francisco; Zaghi, Stefano; Rossi, Riccardo; García-Pérez, Elena; Heras Pérez, Irene; Martínez García, Javier; Oller Martínez, Sergio Horacio; Doblaré, Manuel (2017-05)
Article
Accés obertSolar selective coatings can be multi-layered materials that optimize the solar absorption while reducing thermal radiation losses, granting the material long-term stability. These layers are deposited on structural materials ...