Exploració per autor "Idelsohn Barg, Sergio Rodolfo"
Ara es mostren els items 61-80 de 81
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Parallel adaptive mesh refinement for incompressible flow problems
Rossi, Riccardo; Cotela Dalmau, Jordi; Lafontaine, Nelson Maireni; Dadvand, Pooyan; Idelsohn Barg, Sergio Rodolfo (Elsevier, 2013-07)
Article
Accés obertThe present article describes a simple element-driven strategy for the conforming refinement of simplicial finite element meshes in a distributed environment. The proposed algorithm is effective both for local adaptive ... -
Parallel adaptive mesh refinement for incompressible flow problems
Cotela Dalmau, Jordi; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio; Lafontaine, Nelson Maireni; Idelsohn Barg, Sergio Rodolfo (2011)
Text en actes de congrés
Accés obertWe present an algorithm for the solution of the incompressible Navier- Stokes equations combined with local refinement of the mesh based on an error estimation. Our solution strategy is based on well-established CFD ... -
Petrov-Galerkin methods for the transient advective-diffusive equation with sharp gradients
Idelsohn Barg, Sergio Rodolfo; Oñate Ibáñez de Navarra, Eugenio (1994-05)
Report de recerca
Accés obertA Petrov–Galerkin formulation based on two different perturbations to the weighting functions is presented. These perturbations stabilize the oscillations that are normally exhibited by the numerical solution of the transient ... -
Possibilities of the particle finite element method in computational mechanics
Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo; Celigueta Jordana, Miguel Ángel; Rossi, Riccardo; Latorre, Salvador (2010)
Report de recerca
Accés obertWe present some developments in the formulation of the Particle Finite Element Method (PFEM) for analysis of complex coupled problems in fluid and solid mechanics accounting for fluid-structure interaction and coupled ... -
Reduced order models for thermally coupled low Mach flows
Reyes, Ricardo; Codina, Ramon; Baiges Aznar, Joan; Idelsohn Barg, Sergio Rodolfo (Springer, 2018-12)
Article
Accés obertIn this paper we present a collection of techniques used to formulate a projection-based reduced order model (ROM) for zero Mach limit thermally coupled Navier–Stokes equations. The formulation derives from a standard ... -
Reduced-order subscales for POD models
Baiges Aznar, Joan; Codina, Ramon; Idelsohn Barg, Sergio Rodolfo (2015-07-01)
Article
Accés obertIn this work the Reduced-Order Subscales for Proper Orthogonal Decomposition models are presented. The basic idea consists in splitting the full-order solution into the part which can be captured by the reduced-order model ... -
Refinamiento adaptativo sobre SUPG. Un elemento de interfase
Nigro, Norberto; Idelsohn Barg, Sergio Rodolfo (Centro Internacional de Métodos Numéricos en Ingeniería, 1992)
Article
Accés obertEn este trabajo presentamos una nueva forma de implementar la técnica SUPG usando una estrategia de refinamiento adaptativo. Nos hemos abocado al tratamiento de los nodos irregulares sobre mallas no uniformes. Presentamos ... -
Safety analysis of rockfill dams during overspill phenomena
Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo (Bulgarian Committee on Large Dams, 2008)
Text en actes de congrés
Accés restringit per política de l'editorialAn increasing interest is rising on the study of rockfill embankment dams during overspilling. Design criteria of earth dams are being reviewed in many countries to guarantee an increasing safety level in front of an ... -
Ship hydrodynamics
Oñate Ibáñez de Navarra, Eugenio; García Espinosa, Julio; Idelsohn Barg, Sergio Rodolfo (2003-03)
Report de recerca
Accés obertThis chapter presents an overview of some computational methods for analysis of ship hydrodynamics problems. Attention is focused on the description of a stabilized finite element formulation derived via a finite calculus ... -
Simulating complex problems in civil engineering: the particle finite element method and beyond
Rossi, Riccardo; Larese De Tetto, Antonia; Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo (2011)
Text en actes de congrés
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Solución numérica del problema de transmisión de calor con cambio de fase
Crivelli, Luis A.; Idelsohn Barg, Sergio Rodolfo (1985)
Article
Accés obertEste trabajo resume el estado del arte de la solución numérica de los problemas de transmisión de calor con cambio de fase. Su objetivo consiste en presentar algoritmos en función de su capacidad de encarar problemas ... -
Surface tension problems solved with the particle finite element method using large time-steps
Gimenez, Juan M.; Nigro, Norberto; Idelsohn Barg, Sergio Rodolfo; Oñate Ibáñez de Navarra, Eugenio (Elsevier, 2016-12)
Article
Accés obertIn previous works [S. R. Idelsohn, J. Marti, P. Becker, E. Oñate, Analysis of multifluid flows with large time steps using the particle finite element method, International Journal for Numerical Methods in Fluids 75 (9) ... -
The Particle Finite Element Method (PFEM): an effective numerical technique for solving coastal engineering problems
Oñate Ibáñez de Navarra, Eugenio; Celigueta Jordana, Miguel Ángel; Idelsohn Barg, Sergio Rodolfo (2013)
Text en actes de congrés
Accés restringit per política de l'editorialWe present some developments in the Particle Finite Element Method (PFEM) for the solution of complex coupled problems in coastal engineering involving fluid-soil-structure interaction (FSSI) such as the stability of ... -
The particle finite element method (PFEM): an effective numerical technique for solving marine, naval and harbour engineering problems
Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo; Celigueta Jordana, Miguel Ángel; Suárez Arroyo, Benjamín (Springer, 2013-05-02)
Capítol de llibre
Accés restringit per política de l'editorialWe present some developments in the Particle Finite Element Method (PFEM) for the solution of complex coupled problems in marine, naval and harbour engineering involving fluid-soil-structure interaction (FSSI). The PFEM ... -
The particle finite element method for multi-fluid flows
Idelsohn Barg, Sergio Rodolfo; Mier Torrecilla, Mónica de; Martí, Julio Marcelo; Oñate Ibáñez de Navarra, Eugenio (Springer, 2011)
Capítol de llibre
Accés restringit per política de l'editorialThis paper presents the Particle Finite Element Method (PFEM) and its application to multi-fluid flows. Key features of the method are the use of a Lagrangian description to model the motion of the fluid particles (nodes) ... -
The particle finite element method: an effective numerical technique for solving fluid-soil-structure interaction problems
Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo; Celigueta Jordana, Miguel Ángel; Salazar, F.; Suárez Arroyo, Benjamín (Universidad Politécnica de Madrid (UPM), 2012)
Capítol de llibre
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Trabajo realizado por CIMNE en relacción con la rotura del muelle del Prat del puerto de Barcelona
Oñate Ibáñez de Navarra, Eugenio; Suárez Arroyo, Benjamín; Idelsohn Barg, Sergio Rodolfo; Rossi, Riccardo; Celigueta Jordana, Miguel Ángel; Larese De Tetto, Antonia (2007-07)
Report de recerca
Accés obertLa Autoridad Portuaria de Barcelona (APB) está interesada en conocer las causas que originaron la avería del Muelle de Prat el día 1 de Enero de 2007. El Centro Internacional de Métodos Numéricos en Ingeniería (CIMNE), ... -
Validación del empleo de aleaciones superelásticas en distracción mandibular
Idelsohn Barg, Sergio Rodolfo; Peña, J.; Arcas, A.; Gil Mur, Francisco Javier; Casals, J.; García Arnas, F.; Planell Estany, Josep Anton (Sociedad Ibérica de Biomecánica y Biomateriales, 2002-12)
Article
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Validación experimental del Particle Finite Element Method (PFEM)
Oñate Ibáñez de Navarra, Eugenio; Larese De Tetto, Antonia; Idelsohn Barg, Sergio Rodolfo; Celigueta Jordana, Miguel Ángel; Rossi, Riccardo (2008-04)
Report de recerca
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Validation of the particle finite element method (PFEM) for simulation of free surface flows
Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo (2008-07)
Article
Accés restringit per política de l'editorialPurpose – The purpose of this paper is to evaluate the possibilities of the particle finite element method for simulation of free surface flows. Design/methodology/approach – A numerical simulation of a number of examples ...