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  • Improved dynamical particle swarm optimization method for structural dynamics 

    Annicchiarico, W. C.; Cerrolaza Rivas, Miguel Enrique (2019-06)
    Artículo
    Acceso abierto
    A methodology to the multiobjective structural design of buildings based on an improved particle swarm optimization algorithm is presented, which has proved to be very efficient and robust in nonlinear problems and when ...

  • Lagrangian analysis of multiscale particulate flows with the particle finite element method 

    Oñate Ibáñez de Navarra, Eugenio; Celigueta Jordana, Miguel Ángel; Latorre Sánchez, Juan Salvador; Casas González, Guillermo; Rossi, Riccardo; Rojek, Jerzy (Springer, 2014-05)
    Artículo
    Acceso abierto
    We present a Lagrangian numerical technique for the analysis of flows incorporating physical particles of different sizes. The numerical approach is based on the particle finite element method (PFEM) which blends concepts ...

  • Advances in particle packing algorithms for generating the medium in the Discrete Element Method 

    Recarey Morfa, Carlos Alexander; Pérez, Irvin; Roselló, Roberto; Muniz de Farias, Márcio; Hernández Zubeldia, Elizabeth; Giraldo, Robinson; Oñate Ibáñez de Navarra, Eugenio (2019-03)
    Artículo
    Acceso restringido por política de la editorial
    Several theoretical contributions in order to establish a particle packing methodology are presented. In this respect, a generic formulation of a new method for packing particles based on a constructive advancing front ...

  • A cut finite element method for the solution of the full-potential equation with an embedded wake 

    Davari, Masud; Rossi, Riccardo; Dadvand, Pooyan; Lopez, Iñigo; Wüchner, Roland (Springer, 2019-05)
    Artículo
    Acceso restringido por política de la editorial
    Potential flow solvers represent an appealing alternative for the simulation of non-viscous subsonic flows. In order to deliver accurate results, such techniques require prescribing explicitly the so called Kutta condition, ...

  • A stabilized mixed implicit Material Point Method for non-linear incompressible solid mechanics 

    Iaconeta, Ilaria; Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio (Springer, 2019-06)
    Artículo
    Acceso restringido por política de la editorial
    In this work a stabilized mixed formulation for the solution of non-linear solid mechanics problems in nearly-incompressible conditions is presented. In order to deal with high material deformation, an implicit Material ...

  • Comparative study on sheet metal forming processes by numerical modelling and experiment 

    Sosnowski, Wlodzimierz; Oñate Ibáñez de Navarra, Eugenio; Agelet de Saracibar Bosch, Carlos (1992-09)
    Artículo
    Acceso abierto
    In this paper some results of a wide experimental program are presented and compared with some finite element solution of sheet metal forming problems using a viscous shell formulation.

  • The intrinsic time for the streamline upwind/Petrov-Galerkin formulation using quadratic elements 

    Codina, Ramon; Oñate Ibáñez de Navarra, Eugenio; Cervera Ruiz, Miguel (1992-01)
    Artículo
    Acceso abierto
    In this paper the functions of the Péclet number that appear in the intrinsic time of the streamline upwind/Petrov-Galerkin (SUPG) formulation are analyzed for quadratic elements. Some related issues such as the computation ...

  • A non-linear finite element method on unstructured meshes for added resistance in waves 

    García Espinosa, Julio; Serván Camas, Borja (2018-06-15)
    Artículo
    Acceso abierto
    In this work a finite element method is proposed to solve the problem of estimating the added resistance of a ship in waves in the time domain and using unstructured meshes. Two different schemes are used to integrate the ...

  • Modeling polycrystalline materials with elongated grains 

    Pérez, Irvin; Muniz de Farias, Márcio; Castro, Manuel; Roselló, Roberto; Recarey Morfa, Carlos Alexander; Medina, Liosber; Oñate Ibáñez de Navarra, Eugenio (John Wiley & sons, 2019-04)
    Artículo
    Acceso restringido por política de la editorial
    A novel algorithm to reproduce the arrangement of grains in polycrystalline materials was recently published by the authors. In this original approach, a dense package of circles (or spheres) with the same distribution as ...

  • Propuesta para la futura norma de aislamiento sísmico de edificaciones en Colombia 

    Piscal Arévalo, Carlos Mario; López Almansa, Francisco (2018-10-01)
    Artículo
    Acceso abierto
    En Colombia no existe una normativa propia para el diseño de edificaciones con aislamiento sísmico de base; el limitado número de edificios aislados existentes en el país han sido diseñados según alguno de los documentos ...

  • Predicción de fracturas en estructuras de hormigón combinando los métodos de elementos finitos y de elementos discretos 

    Zárate Araiza, José Francisco; Oñate Ibáñez de Navarra, Eugenio (2018-12)
    Artículo
    Acceso restringido por política de la editorial
    El presente trabajo plantea los conceptos básicos y de aplicación de la estrategia que combina los métodos de elementos finitos y de elementos discretos para el estudio de la propagación de fracturas en estructuras de ...

  • Análisis no lineal de tanques criogénicos bajo cargas térmicas 

    Oliver Olivella, Xavier; Oñate Ibáñez de Navarra, Eugenio; Peraire Guitart, Jaume; Chueca Castedo, Rosa Mariana (1985-04)
    Artículo
    Acceso abierto

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