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    • Advanced composite material simulation 

      Oller Martínez, Sergio Horacio; Martínez, X; Barbat Barbat, Horia Alejandro; Rastellini, F (2008-01)
      Article
      Accés obert
      A computational methodology is presented for modeling the non-linear mechanical behavior of composite structures made of FRP (Fiber-Reinforced Polymers) laminates. The model is based on the appropriate combination of the ...

    • Advanced composite material simulation 

      Oller Martínez, Sergio Horacio; Martínez, X; Barbat Barbat, Horia Alejandro; Rastellini, F (2008)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A computational methodology is presented for modelling the material non-linear mechanical behaviour of composite structures made of FRP (Fibre-Reinforced Polymers) laminates. The model is based on the appropriate combination ...

    • An anisotropic elasto-plastic model based on an isotropic formulation 

      Oller Martínez, Sergio Horacio; Botello Rionda, Salvador; Miquel, Joan; Oñate Ibáñez de Navarra, Eugenio (1993-11)
      Report de recerca
      Accés obert

    • An efficient multi-scale method for non-linear analysis of composite structures 

      Otero Gruer, Fermín Enrique; Martínez García, Javier; Oller Martínez, Sergio Horacio; Salomon Rotlisbeger, Ramon Omar (2015-11-01)
      Article
      Accés obert
      The use of multi-scale procedures is encouraged by the continuous increase of computational capacity, but it is still a challenge performing a non-linear analysis of real composite structures without the aid of large ...

    • An enriched macro finite element for the static analysis of thick general quadrilateral laminated composite plates 

      Rango, Rita F.; Nallim, Liz G.; Oller Martínez, Sergio Horacio (2016-10)
      Article
      Accés restringit per política de l'editorial
      This article presents the formulation of an enriched macro finite element based on the trigonometric shear deformation theory for the static analysis of symmetrically laminated composite plates. Shear correction factor is ...

    • An integrated procedure for the structural design of a composite rotor-hydrofoil of a Water Current Turbine (WCT) 

      Oller Aramayo, Sergio A.; Nallim, Liz G.; Oller Martínez, Sergio Horacio (2013-12)
      Article
      Accés restringit per política de l'editorial
      This paper shows an integrated structural design optimization of a composite rotor-hydrofoil of a water current turbine by means the finite elements method (FEM), using a Serial/Parallel mixing theory (Rastellini et al. ...

    • An introduction to FE2 multi-scale methods and why HPC is so crucial 

      Giuntoli, Guido; Vázquez, Mariano; Oller Martínez, Sergio Horacio (Barcelona Supercomputing Center, 2018-04-24)
      Text en actes de congrés
      Accés obert

    • An inverse approach for the mechanical characterisation of vascular tissues via a generalised rule of mixtures 

      Bellomo, Facundo; Oller Martínez, Sergio Horacio; Nallim, Liz (Gordon and Breach Science Publishers, 2012-12)
      Article
      Accés restringit per política de l'editorial
      Mechanical factors such as stresses and strains play a major role in the growth and remodelling of soft biological tissues. The main constituents of tissue undergo different processes reacting to mechanical stimulus. ...

    • An objective seismic damage index for the evaluation of the performace of RC buildings 

      Vielma, Juan Carlos; Barbat Barbat, Horia Alejandro; Oller Martínez, Sergio Horacio (2008)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In modern earthquake-resistant design codes, structural elements have a non-linear behavior during an earthquake, similar to what is considered in the design process, which implies that elements are damaged and it is ...

    • Analysis of pre-tensioned structures by means of a constitutive serial-parallel rule of mixtures 

      Barbu, L. G.; Escudero, C.; Cornejo Velázquez, Alejandro; Martínez, X.; Oller Martínez, Sergio Horacio; Barbat Barbat, Horia Alejandro (CIMNE, 2017)
      Text en actes de congrés
      Accés obert
      The main purpose of this paper is to develop a reliable method based on a threedimensional (3D) finite-element (FE) model to simulate the constitutive behaviour of reinforced concrete structures strengthened with post-tensioned ...

    • Analysis of pre-tensioned structures by means of a constitutive Serial-Parallel rule of mixtures 

      Barbu, Lucia Gratiela; Escudero Torres, Cuauhtemoc; Cornejo Velázquez, Alejandro; Martínez García, Javier; Oller Martínez, Sergio Horacio; Barbat Barbat, Horia Alejandro (2017)
      Text en actes de congrés
      Accés obert
      The 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 ...

    • Analysis of the mock-up of a reactor containment building: comparison with experimental results 

      Jiménez Reyes, Sergio; Cornejo Velázquez, Alejandro; Barbu, Lucia Gratiela; Oller Martínez, Sergio Horacio; Barbat Barbat, Horia Alejandro (2020-04)
      Article
      Accés obert
      The results of a predictive analysis of the mock-up of a reactor containment building, based on computer numerical simulation, are presented in this paper and compared with the results obtained in the context of the VeRCoRs ...

    • Analysis of ultra low cycle fatigue problems with the Barcelona plastic damage model 

      Martínez García, Javier; Oller Martínez, Sergio Horacio; Barbu, Lucia Gratiela; Barbat Barbat, Horia Alejandro (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2013)
      Text en actes de congrés
      Accés obert
      This paper presents a plastic formulation based on the Barcelona plastic damage model capable of predicting the material failure due to Ultra Low Cycle Fatigue. This is achieved taking into account the fracture energy ...

    • Analysis of ultra low cycle fatigue problems with the barcelona plastic damage model 

      Martínez García, Javier; Oller Martínez, Sergio Horacio; Barbu, Lucia Gratiela; Barbat Barbat, Horia Alejandro (CIMNE, 2013)
      Text en actes de congrés
      Accés obert
      This paper presents a plastic formulation based on the Barcelona plastic damage model ([1], [2]) capable of predicting the material failure due to Ultra Low Cycle Fatigue. This is achieved taking into account the fracture ...

    • Analysis of Ultra Low Cycle Fatigue problems with the Barcelona plastic damage model and a new isotropic hardening law 

      Martínez García, Javier; Oller Martínez, Sergio Horacio; Barbu, Lucia Gratiela; Barbat Barbat, Horia Alejandro; de Jesus, A.M.P. (2015-04)
      Article
      Accés obert
      This paper presents a plastic-damage formulation and a new isotropic hardening law, based on the Barcelona plastic damage model initially proposed by Lubliner et al. (1989) [1], which is capable of predicting steel failure ...

    • Analytical and numerical analysis of human dental occlusal contact 

      Bastos de Souza, FLAVIA; Casas, Estevam; Oller Martínez, Sergio Horacio (Gordon and Breach Science Publishers, 2013)
      Article
      Accés restringit per política de l'editorial
      The knowledge of contact forces in teeth surfaces during mastication or para-functional movements can help to understand processes related to friction and wear of human dental enamel. The development of a numerical model ...

    • Análisis dinámico de placas laminadas mediante macro-elementos usando teoría trigonométrica de deformación por corte 

      Rango, Rita; Nallim, Liz; Oller Martínez, Sergio Horacio (Asociación Argentina de Mecánica Computacional, 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      En este trabajo se incorpora la cinemática correspondiente a una Teoría Trigonométrica de Deformación por Corte (TSDT) a macro-elementos enriquecidos, los cuales fueron formulados originalmente por los autores para el ...

    • Análisis no-lineal de materiales compuestos mediante la teoría de mezclas serie-paralelo 

      Martínez García, Javier; Oller Martínez, Sergio Horacio; Rastellini, Fernando G. (OmniaScience, 2014)
      Capítol de llibre
      Accés obert
      Este libro presenta una panorámica del estado actual de los materiales compuestos y sus aplicaciones más relevantes en la obra civil y la edificación.

    • Análisis numérico de Eco-composites con procedimientos de homogeneización 

      Barbu, Lucia Gratiela; Martínez García, Javier; Oller Martínez, Sergio Horacio (2020-01)
      Article
      Accés obert
      Los procedimientos de homogeneización han ido ganando cada vez más énfasis en el campo del análisis numérico de los materiales compuestos. Un procedimiento de homogenización se basa sobre la hipótesis de que existe un set ...

    • Análisis numérico de estructuras de hormigón reforzadas con FRP por medio de la teoría de mezclas serie/paralelo 

      Molina, Maritzabel; Oller Martínez, Sergio Horacio; Barbat Barbat, Horia Alejandro; Martínez García, Javier (Universitat Politècnica de Catalunya. CIMNE, 2010)
      Article
      Accés obert
      La simulación numérica del comportamiento de los materiales compuestos es un campo en desarrollo cuya aplicación a estructuras ha experimentado avances importantes que han conducido a mejoras en el refuerzo de las mismas. ...