Exploració per autor "Oller Martínez, Sergio Horacio"
Ara es mostren els items 67-86 de 166
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Factores de reducción de respuesta en la norma NCSE-02 y el EC-8
Vielma, J C; Barbat Barbat, Horia Alejandro; Oller Martínez, Sergio Horacio (2007-05-31)
Text en actes de congrés
Accés restringit per política de l'editorialEn los procedimientos de análisis y diseño sismorresistentes de estructuras se hace necesario introducir simplificaciones o aproximaciones que permitan estudiar la equivalencia entre el análisis elástico a partir del cual ... -
Factores de reducción de respuesta: estado del arte y estudio comparativo entre códigos
Vielma, Juan Carlos; Barbat Barbat, Horia Alejandro; Oller Martínez, Sergio Horacio (2006-05-15)
Article
Accés restringit per política de l'editorial -
Failure pressure analysis of a nuclear reactor prestressed concrete containment building
Jiménez Reyes, Sergio; Cornejo Velázquez, Alejandro; Barbu, Lucia Gratiela; Barbat Barbat, Horia Alejandro; Oller Martínez, Sergio Horacio (Elsevier, 2021-06)
Article
Accés obertThe failure analysis of an existing and operational nuclear power plant reactor containment building subjected to an accident internal pressure is studied in this paper. The computation is based on the Finite Element Method ... -
Finite element modeling of delamination in advanced composite beams and plates using one and two dimensional finite elements based on the refined zigzag theory
Eijo, Ariel; Oñate Ibáñez de Navarra, Eugenio; Oller Martínez, Sergio Horacio (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2014)
Llibre
Accés obertAlthough laminated materials have been used for decades, their employment has increased nowadays in the last years as a result of the gained confidence of the industry on these materials. This has provided the scientific ... -
Fluid dynamic design of an axial rotor for hydrokinetic riverbed turbine-improvement introduced by a high lift foil profile
Oller Aramayo, Sergio A.; Nallim, Liz G.; Oller Martínez, Sergio Horacio (2016-07)
Article
Accés obertThe main objective of this article is to achieve a very high lift rotor to take the maximum advantage of the kinetic energy of a slow velocity water flow, which belongs to a lowland river type. Low speed flux and lack of ... -
Formulación de elementos finitos para vigas de sección abierta formadas por laminados compuestos incluyendo las deformaciones tangenciales por cortante y torsión
Vargas, P.E.; Oñate Ibáñez de Navarra, Eugenio; Oller Martínez, Sergio Horacio (Universitat Politècnica de Catalunya. CIMNE, 2014)
Article
Accés obertEn esta investigación se obtiene el campo de desplazamientos y deformaciones para una viga de sección abierta y pared delgada formada por laminados compuestos incluyendo en su cinemática las deformaciones tangenciales por ... -
Formulation of solid-shell finite elements with large displacements considering different transverse shear strains approximations
Flores, Fernando G; Nallim, Liz G.; Oller Martínez, Sergio Horacio (2017-08)
Article
Accés obertThis work presents a general formulation and implementation in solid-shell elements of the refined zigzag theory and the trigonometric shear deformation theory in an unified way. The model thus conceived is aimed for use ... -
Green design and multidisciplinary optimization of carbon nanotube composite structures
Morillo, Carlos; Bugeda Castelltort, Gabriel; Lee, D.S.; Oller Martínez, Sergio Horacio (Universidad de las Palmas de Gran Canaria, 2013)
Text en actes de congrés
Accés obertThis work develops a multi-objective design optimisation method for Carbon Nanotube Composite Structures (CNTCSs) using Genetic Algorithm and Finite Element Analysis (FEA). Two design problems are considered: the first is ... -
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
Accés restringit per política de l'editorial -
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 ... -
Impact damage identification in composite laminates using vibration testing
Pérez Martínez, Marco Antonio; Gil Espert, Lluís; Oller Martínez, Sergio Horacio (2014-02)
Article
Accés restringit per política de l'editorialDue to the problems arising from impact damage in composite laminates, there is a need to develop fast, accurate, cost-effective and non-destructive testing methods to identify this type of damage at an early stage and ... -
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 ... -
Importance of non-simulated failure modes in incremental dynamic analysis (IDA) of non-ductile RC frames
López Almansa, Francisco; Alfarah, Bashar; Oller Martínez, Sergio Horacio (International Association for Earthquake Engineering, 2017)
Text en actes de congrés
Accés restringit per política de l'editorialNonlinear dynamic analysis of reinforced concrete structures requires a thorough understanding of behavior of structural elements for all levels of performance, especially collapse. Main reason is that reinforced concrete ... -
Inelastic analysis of geometrically exact rods
Mata Almonacid, Pablo; Barbat Barbat, Horia Alejandro; Oller Martínez, Sergio Horacio; Boroschek Krauskopf, Rubén Luis (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2008)
Llibre
Accés obert -
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 ... -
Una Metodología para la simulación de mezclas asfálticas recicladas
González Lopez, Jose Manuel; Oller Martínez, Sergio Horacio; Miquel Canet, Juan; Miró Recasens, José Rodrigo (Universitat Politècnica de Catalunya. CIMNE, 2011)
Article
Accés obertEn el presente artículo se presenta una nueva metodología para la caracterización mecánica de mezclas asfálticas con particular interés en las mezclas recicladas, lo que se traduce en la definición de ensayos de laboratorio ... -
Micro-mechanical approach for the vibration analysis of CFRP laminates under impact-induced damage
Pérez Martínez, Marco Antonio; Oller Martínez, Sergio Horacio; Felippa, Carlos; Gil Espert, Lluís (Elsevier, 2015-12-15)
Article
Accés obertThis paper deals with modelling the effect of low-velocity impact damage upon the vibration response of CFRP laminates through a micro-mechanical description of the induced internal damage. The serial-parallel (SP) continuum ...