• J. Rojek, O. Zienkiewicz, E. Oñate, E. Postek
    Journal of Materials Processing Technology (2001). Vol. 119, pp. 41-47

    This paper presents some advances of finite element explicit formulation for simulation of metal forming processes. Because of their computational efficiency, finite element [...]

  • E. Oñate, H. Tschöpe, P. Wriggers
    Engineering Computations (2001). Vol. 18 (3-4), pp. 642-662

    The paper describes the extension of the critical displacement method (CDM), presented by Oñate and Matias in 1996, to the instability analysis of structures with [...]

  • R. Scotta, R. Vitaliani, A. Saetta, E. Oñate, A. Hanganu
    Computers and Structures (2001). Vol. 79 (7), pp. 737-755

    A local isotropic single parameter scalar model that can simulate the mechanical behaviour of quasi-brittle materials, such as concrete, is described. [...]

  • Computers and Structures (2001). Vol. 79 (22-25), pp. 2151-2163

    The basis of the finite point method (FPM) for the fully meshless solution of elasticity problems in structural mechanics is described. A stabilization [...]

  • E. Oñate, F. Zárate
    Int. J. Numer. Meth. Engng. (2000). Vol. 47 (1-3), pp. 557-603

    The paper describes how the finite element method and the finite volume method can be successfully combined to derive two new families of thin plate and shell triangles with [...]

  • G. Chiandussi, G. Bugeda, E. Oñate
    Comput. Methods Appl. Mech. Engrg., (2000). Vol. 188, pp. 727-742

    The present paper proposes a new technique for the definition of the shape design variables in 2D and 3D optimisation problems. It can be applied to the discrete model of [...]

  • Comput. Methods Appl. Mech. Engrg., (2000). Vol. 185, pp. 245-277

    In this work a generalized anisotropic elastoplastic constitutive model in large deformation is presented. It is used for the analysis of fiber-reinforced composite materials [...]

  • Comput. Methods Appl. Mech. Engrg., (2000). Vol. 182 (3-4), pp. 355-370

    A stabilized finite element formulation for incompressible viscous flows is derived. The starting point are the modified Navier-Stokes equations incorporating naturally the [...]

  • Anales de Mecánica de Fractura (2000). Vol. 17, pp. 127-154

    El artículo es una panorámica de los aspectos teóricos y algunas aplicaciones prácticas de los modelos de fractura desarrollados por diversos grupos [...]

  • Computing and Visualization in Science (2000). Vol. 3 (1), pp. 67-75

    A stabilized finite point method (FPM) for the meshless analysis of incompressible fluid flow problems is presented. The stabilization approach is based in the finite increment [...]

  • R. Codina, C. Morton, E. Oñate, O. Soto
    Int. J. of Num. Meths. for Heat and Fluid Flow (2000). Vol. 10 (5-6), pp. 616-633

    Presents a numerical strategy for the aerodynamic analysis of large buildings, with an application to the simulation of the air flow within a telescope building. The finite [...]

  • G. Chiandussi, G. Bugeda, E. Oñate
    Commun. Numer. Meth. Engng (2000). Vol. 16 (1), pp. 1-19

    A simple method to automatically update the finite element mesh of the analysis domain is proposed. The method considers the mesh as a fictitious elastic body subjected to [...]

  • Int. J. Numer. Meth. Engng. (1999). Vol. 45 (5), pp. 503-528

    An unstructured finite element solver to evaluate the ship‐wave problem is presented. The scheme uses a non‐structured finite element algorithm for the Euler or Navier–Stokes [...]

  • S. Botello, J. Marroquín, E. Oñate
    Int. J. Numer. Meth. Engng. (1999). Vol. 45 (8), pp. 1069-1084

    In this paper we study the performance of two stochastic search methods: Genetic Algorithms and Simulated Annealing, applied to the optimization of pin‐jointed steel bar [...]

  • J. Lopez, S. Oller, E. Oñate, J. Lubliner
    Int. J. Numer. Meth. Engng. (1999). Vol. 46 (10), pp. 1651-1671

    Masonry has been a broadly used material since the beginning of human life. Despite its popularity, the analysis of masonry structures is a complex task due to the heterogeneity [...]

  • J. Ruberts, S. Oller, E. Casas, S. Proença, E. Oñate
    Int. J. Numer. Meth. Engng. (1999). Vol. 46 (10), pp. 1595-1607

    A geometrically non‐linear formulation for composites and the resulting explicit dynamic finite element algorithm are presented. The proposed formulation assumes that small [...]

  • Comput. Methods Appl. Mech. Engrg., (1999). Vol. 173, pp. 241-255

    In the present work a generalized streamline finite element formulation able to deal with incompressible flow problems is presented. In the finite element framework, this [...]

  • S. Botello, J. Marroquín, E. Oñate
    Rev. int. métodos numér. cálc. diseño ing. (1999). Vol. 15, (4)

    Se presenta de forma general una familia de algoritmos de busqueda estocastica en forma parametrizada que puede ser utilizada para resolver problemas de optimizacion combinatoria. [...]

  • Structural Optimization (1999). Vol. 17 (2-3), pp. 162-171

    This paper describes some considerations around the analytical structural shape sensitivity analysis when the structural behaviour is computed using the finite element method [...]

  • E. Oñate, M. Manzán
    Int. J. Numer. Meth. Fluids (1999). Vol. 31 (1), pp. 203-221

    A procedure to derive stabilized space–time finite element methods for advective–diffusive problems is presented. The starting point is the stabilized balance [...]


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