Exploració per autor "Oñate Ibáñez de Navarra, Eugenio"
Ara es mostren els items 41-60 de 390
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A meshless finite point method for three dimensional analysis of compressible flow problems involving moving boundaries and adaptivity
Ortega, Enrique; Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo; Flores Le Roux, Roberto Maurice (2013-10)
Article
Accés restringit per política de l'editorialA finite point method for solving compressible flow problems involving moving boundaries and adaptivity is presented. The numerical methodology is based on an upwind-biased discretization of the Euler equations, written ... -
A meshless finite point method for three-dimensional analysis of compressible flow problems involving moving boundaries and adaptivity
Ortega, Enrique; Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo; Flores Le Roux, Roberto Maurice (2013-10)
Article
Accés obertA finite point method for solving compressible flow problems involving moving boundaries and adaptivity is presented. The numerical methodology is based on an upwind-biased discretization of the Euler equations, written ... -
A methodology for adaptive mesh refinement in optimum shape design problems
Bugeda Castelltort, Gabriel; Oñate Ibáñez de Navarra, Eugenio (1993-03)
Report de recerca
Accés obert -
A mixed Lagrangian and Eulerian FSI approach for simulation of overtopping on embankment dams
Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio (CIMNE (Centro Internacional de Métodos Numéricos en Ingeniería), 2009)
Text en actes de congrés
Accés obertThe present work is concerned with some recent advances in FSI simulations with particular emphasis on the simulation of rockfill dams during extreme phenomena. The final objective is the study of the consequences of an ... -
A modified fractional step approach
Ryzhakov, Pavel; Oñate Ibáñez de Navarra, Eugenio; Rossi, Riccardo (2011)
Text en actes de congrés
Accés obertWe propose here a methodology for improving mass-conservation features of the fractional-step schemes on moving grids applied to viscous incompressible flows containing free surfaces. The idea is to find a better approximation ... -
A modular, partitioned, discrete element framework for industrial grain distribution systems with rotation machinery
Casas, Guillermo; Mukherjee, Debanjan; Celigueta Jordana, Miguel Ángel; Zohdi, T.; Oñate Ibáñez de Navarra, Eugenio (Springer, 2017-04)
Article
Accés obertA modular discrete element framework is presented for large-scale simulations of industrial grain-handling systems. Our framework enables us to simulate a markedly larger number of particles than previous studies, thereby ... -
A monolithic Lagrangian approach for fluid-structure interaction problems
Ryzhakov, Pavel; Rossi, Riccardo; Idelsohn Barg, Sergio Rodolfo; Oñate Ibáñez de Navarra, Eugenio (2010-11)
Article
Accés restringit per política de l'editorialCurrent work presents a monolithic method for the solution of fluid–structure interaction problems involving flexible structures and free-surface flows. The technique presented is based upon the utilization of a Lagrangian ... -
A multi-method approach towards understanding the pathophysiology of aortic dissections – the complementary role of in-silico, in-vitro and in-vivo information
Rudenick, Paula; Bordoné, Maurizio; Bijnens, Bart; Soudah Prieto, Eduardo; Oñate Ibáñez de Navarra, Eugenio; Garcia Dorado, Antonio David; Evangelista, A. (Springer, 2010)
Capítol de llibre
Accés restringit per política de l'editorialManagement and follow-up of chronic aortic dissections continues to be a clinical challenge due to progressive aortic dilatation. To predict dilatation, guidelines suggest follow-up of the aortic diameter. However, dilatation ... -
A neural networks approach to aerofoil noise prediction
Lau, Kevin; López, Roberto; Oñate Ibáñez de Navarra, Eugenio (2009)
Report de recerca
Accés obertA neural network noise prediction model for a turbulent boundary layer noise mechanism has been created using a feed forward multilayer perceptron and a noise spectrum database collected from a family of NACA 0012 areofoils. ... -
A numerical approach to simulate the behavior of fiber reinforced composite materials
Car, Eduardo J.; Oller Martínez, Sergio Horacio; Oñate Ibáñez de Navarra, Eugenio (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2000)
Text en actes de congrés
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A numerical framework for modelling tire mechanics accounting for composite materials, large strains and frictional contact
Cornejo Velázquez, Alejandro; Mataix Ferrándiz, Vicente; Wriggers, Peter; Barbu, Lucia Gratiela; Oñate Ibáñez de Navarra, Eugenio (Springer, 2024-01)
Article
Accés obertWe present a general framework for the analysis and modelling of frictional contact involving composite materials. The study has focused on composite materials formed by a matrix of rubber and synthetic or metallic fibres, ... -
A numerical investigation of wind tunnel model deformations caused by the twin-sting support system
Flores Le Roux, Roberto Maurice; Ortega, Enrique; Oñate Ibáñez de Navarra, Eugenio (2009)
Report de recerca
Accés obertThis work presents a wing deformation analysis of a twin-sting-mounted commercial aircraft model. Twin-sting arrangements minimize flow disturbances around the model fuselage and tail; on the other hand, they cause important ... -
A numerical investigation of wind tunnel model deformations caused by the twin-sting support system
Flores Le Roux, Roberto Maurice; Ortega, Enrique; Oñate Ibáñez de Navarra, Eugenio (2010-03)
Article
Accés restringit per política de l'editorialThe present work is part of a broader investigation aimed at improving the understanding of the aerodynamics of the rear aircraft section. Complex flow phenomena (e.g., the thick fuselage boundary layer at the rear end) ... -
A numerical model of delamination in composite laminated beams using the LRZ beam element based on the refined zigzag theory
Eijo, Ariel; Oñate Ibáñez de Navarra, Eugenio; Oller Martínez, Sergio Horacio (2013-10)
Article
Accés restringit per política de l'editorialA method based on the Refined Zigzag Theory (RZT) to model delamination in composite laminated beam structures is presented. The novelty of this method is the use of one-dimensional finite elements to discretize the geometry ... -
A particle finite element method (PFEM) for coupled thermal analysis of quasi and fully incompressible flows and fluid-structure interaction problems
Oñate Ibáñez de Navarra, Eugenio; Franci, Alessandro; Carbonell Puigbó, Josep Maria (Springer, 2014)
Capítol de llibre
Accés restringit per política de l'editorialThis book presents and discusses mathematical models, numerical methods and computational techniques used for solving coupled problems in science and engineering. It takes a step forward in the formulation and solution of ... -
A particle method for the simulation of ground excavation processes
Carbonell Puigbó, Josep Maria; Suárez Arroyo, Benjamín; Oñate Ibáñez de Navarra, Eugenio (2009)
Comunicació de congrés
Accés obert -
A particle-based method for analysis of cuttings transport in wellbores
Celigueta Jordana, Miguel Ángel; Latorre Sánchez, Juan Salvador; Ubach de Fuentes, Pere-Andreu; Miquel Canet, Juan; Oñate Ibáñez de Navarra, Eugenio; Gandikota, Varadaraju; Deshpande, Kedar M. (2013)
Text en actes de congrés
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A perspective of recent development in the finite element simulation of metal forming processes
Oñate Ibáñez de Navarra, Eugenio (1992-07)
Report de recerca
Accés obert -
A plastic-damage model for concrete
Lubliner, Jacob; Oliver Olivella, Xavier; Oller Martínez, Sergio Horacio; Oñate Ibáñez de Navarra, Eugenio (1989)
Article
Accés restringit per política de l'editorialIn this paper a constitutive model based on an internal variable-formulation of plasticity theory for the non-linear analysis of concrete is presented. The model uses a new yield criterion which matches experimental data ... -
A prototype of a micro-scale model for the distribution of NO2 in urban areas
Pouplana Sarda, Ignasi de; Latorre, Salvador; Maso Sotomayor, Miguel; Guinart, Xavier; Oñate Ibáñez de Navarra, Eugenio; Perez Gabucio, Eva; Hernández Cardona, Isabel; Baulies Bochaca, Xavier (2023-02)
Article
Accés obertWe present a new 2.5D model for predicting the concentration of nitrogen dioxide (NO2) at street level in an urban area. This work develops the first prototype of a tool that should provide fast quantitative answers ...