Exploració per autor "Oñate Ibáñez de Navarra, Eugenio"
Ara es mostren els items 207-226 de 390
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Factors influencing Safety on Construction Projects (fSCPs): types and categories
Muñoz La Rivera, Felipe; Mora Serrano, Javier; Oñate Ibáñez de Navarra, Eugenio (2021-10)
Article
Accés obertDue to the fact of activity, environment and work dynamics, the construction industry is characterised by high accident rates. Different initiatives have emerged to reduce these figures, which focus on using new methodologies ... -
Fast fluid–structure interaction simulations using a displacement-based finite element model equipped with an explicit streamline integration prediction
Ryzhakov, Pavel; Martí, Julio Marcelo; Idelsohn Barg, Sergio Rodolfo; Oñate Ibáñez de Navarra, Eugenio (2017-03)
Article
Accés obertWe propose here a displacement-based updated Lagrangian fluid model developed to facilitate a monolithic coupling with a wide range of structural elements described in terms of displacements. The novelty of the model ... -
FIC/FEM formulation with matrix stabilizing terms for incompressible flows at low and high Reynolds numbers
Oñate Ibáñez de Navarra, Eugenio; Valls, A.; García Espinosa, Julio (2006-09)
Article
Accés obertWe present a general formulation for incompressible fluid flow analysis using the finite element method. The necessary stabilization for dealing with convective effects and the incompressibility condition are introduced ... -
FIC–FEM formulation for the multidimensional transient advection–diffusion–absorption equation
Puigferrat Pérez, Albert; Pouplana Sarda, Ignasi de; Oñate Ibáñez de Navarra, Eugenio (2020-06)
Article
Accés obertIn this paper we present a stabilized FIC–FEM formulation for the multidimensional transient advection–diffusion–absorption equation. The starting point is the non-local form of the governing equations for the multidimensional ... -
Finite element analysis of hot rolling processes
Oñate Ibáñez de Navarra, Eugenio; Codina, Ramon (1993-10)
Report de recerca
Accés obert -
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 ... -
Finite element modeling of free surface flow in variable porosity media
Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio (2015-11)
Article
Accés obertThe aim of the present work is to present an overview of some numerical procedures for the simulation of free surface flows within a porous structure. A particular algorithm developed by the authors for solving this type ... -
Finite element modelling of fracture propagation in saturated media using quasi-zero-thickness interface elements
Pouplana Sarda, Ignasi de; Oñate Ibáñez de Navarra, Eugenio (Elsevier, 2018-04)
Article
Accés obertA new computational technique for the simulation of 2D and 3D fracture propagation processes in saturated porous media is presented. A non-local damage model is conveniently used in conjunction with interface elements to ... -
Finite element procedures for incompressible and compressible flows
Oñate Ibáñez de Navarra, Eugenio; Quintana Domínguez, Francisca; Codina, Ramon; Miguel López, José María (1991-10)
Report de recerca
Accés obert -
Finite point method to solve shallow water equations
Ortega, Enrique; Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo; Buachart, Chinapat (John Wiley & Sons, 2011-10)
Article
Accés restringit per política de l'editorialAn adaptive Finite Point Method (FPM) for solving shallow water problems is presented. The numerical methodology we propose, which is based on weighted-least squares approximations on clouds of points, adopts an upwind-biased ... -
Finite point methods in computational mechanics
Oñate Ibáñez de Navarra, Eugenio; Idelshon, Sergio Rodolfo; Zienkiewicz, Olgierd Cecil (1995-07)
Report de recerca
Accés obert -
Finite volume for stress analysis upon polygonal, unstructured and non conforming meshes
Cardoso Nungaray, Víctor; Botello Rionda, Salvador; Zárate Araiza, José Francisco; Oñate Ibáñez de Navarra, Eugenio (2019-01)
Article
Accés obertWithin this paper we discuss a numerical strategy to solve the elasticity problem upon unstructured and non conforming meshes, allowing all kinds of flat-faced elements (polygons in 2D and polyhedra in 3D). The core of the ... -
Finite Volume vs Finite Element: is there really a choice?
Zienkiewicz, Olgierd Cecil; Oñate Ibáñez de Navarra, Eugenio (1990-11)
Report de recerca
Accés obert -
Flow behaviour of negatively buoyant jets in immiscible ambient fluid
Geyer Traver, Adelina; Phillips, Jeremy C.; Mier Torrecilla, Mónica de; Idelsohn Barg, Sergio Rodolfo; Oñate Ibáñez de Navarra, Eugenio (2012-01)
Article
Accés restringit per política de l'editorialIn this paper we investigate experimentally the injection of a negatively buoyant jet into a homogenous immiscible ambient fluid. Experiments are carried out by injecting a jet of dyed fresh water through a nozzle in the ... -
Fluid dynamic analysis of America's cup boats including dynamic sinkage and trim effects
García Espinosa, Julio; Oñate Ibáñez de Navarra, Eugenio (2003)
Text en actes de congrés
Accés obertThis paper shows a step forward in the development of a stabilized method for solving the Reynolds equations (RANSE) including free surface effects. The starting point of this method is the modified governing differential ... -
Fluid-soil-structure interaction analysis with the particle finite element method
Oñate Ibáñez de Navarra, Eugenio; Celigueta Jordana, Miguel Ángel; Idelsohn Barg, Sergio Rodolfo; Salazar González, Fernando; Suárez Arroyo, Benjamín (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2012)
Capítol de llibre
Accés restringit per política de l'editorialWe present some developments and applications of the Particle Finite Element Method (PFEM) for analysis of complex coupled problems in mechanics involving fluid-soil-structure interaction. -
Fluid-structure interaction problems with strong added-mass effect
Idelsohn Barg, Sergio Rodolfo; Pin, Facundo del; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio (2009-12)
Article
Accés restringit per política de l'editorialIn this paper, the so-called added-mass effect is investigated from a different point of view of previous publications. The monolithic fluid–structure problem is partitioned using a static condensation of the velocity ... -
Formulaciones tangente y secante en análisis no lineal de vigas Cosserat
Morán Moya, Rafael; Oñate Ibáñez de Navarra, Eugenio; Miquel Canet, Juan (International Centre for Numerical Methods in Engineering (CIMNE), 2007)
Llibre
Accés obertEn el desarrollo de este trabajo se ha estudiado en detalle el modelo clásico de viga Cosserat, su formulación tangente y las teorías de alto orden que se puede establecer con el. El análisis se ha realizado adoptando un ... -
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 ... -
Global search methods for nonlinear optimisation: a new probabilistic-stochastic approach
Bugeda Castelltort, Gabriel; Balsa-Canto, E; Thamotheram, C; Oñate Ibáñez de Navarra, Eugenio; Zárate Araiza, José Francisco (International Centre for Numerical Methods in Engineering (CIMNE), 2003)
Text en actes de congrés
Accés obertIn this work the problem of overcoming local minima in the solution of nonlinear optimisation problems is addressed. As a first step, the existing nonlinear local and global optimisation methods are reviewed so as to ...