• J. Cante, X. X.Oliver, S. Oller
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 1

    Abstract
    En la primera parte de este trabajo se describió el modelo numérico propuesto para la simuación del proceso de compactación de pulvimateriales. En esta segunda parte se [...]

  • J. Cante, X. Oliver, S. Oller
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 1

    Abstract
    A numerical model, based on large strain plasticity, to simulate the uniaxial compaction of powder materials is presented. The elastic response is obtained from a hyperelastic [...]

  • E. E.Sainz, J. Maetzu
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 1

    Abstract
    Invariant quadrature rules for the 4-dimensional simplex T4 are known for degrees of precission up to d = 5 as shown inl. In this paper we present two new invariant quadrature [...]

  • S. Masuelli, C. Scavuzzo, G. Caranti
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 1

    Abstract
    The collision efficiency of droplets by larger drops is obtained calculating trajectories of the small droplets in the perturbed flow as a function of mechanical and electrical [...]

  • A. Novotny, E. Fancello
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 1

    Abstract
    In this work, the Finite Element Method is used through its h, p and hp adaptive version to solve the Reissner-Mindlin plate elastic bending problem. The object oriented programming [...]

  • M. Bittecourt, R. Feijóo
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 1

    Abstract
    In this paper, multigrid methods applied to linear elastic problems are presented, taking two and three dimensional examples modelled by non-structured and no-nested meshes. [...]

  • A. Barbat, U. Mena, F. Yépez
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 2

    Abstract
    A methodology to evaluate the vulnerability and seismic risk of existing building structures in an urban area developed within a probabilistic scheme. It uses numerical procedures [...]

  • A. Rodríguez, M. M.Mestres, A. Sánchez-Arcilla, F. Collado
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 2

    Abstract
    Two-diineiisional numerical models have been extensively used the far field to solve hydrodynamics and the associated pollutant transport; however the obtained from these [...]

  • G. Ajuria, R. Avilés, A. Bilbao, S. Navalpotro
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 2

    Abstract
    This paper presents different approaches for the solution of non-linelai equilibrium problems in multibody systems. These systems can include rigid and elastic elements. The [...]

  • H. Díez
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 2

    Abstract
    El sistema "bueno" de Boussinesq es un sistema de ecuaciones en derivadas parciales con estructura hamiltoniana. Al discretizarlo es de interés no perder tal estructura y [...]

  • J. Murilo, N. Favilla
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 2

    Abstract
    This text presents a study of the use of neural networks for solving the classic structural reliability problem to obtain the probability of failure of collapse of a certain [...]

  • C. Dias, A. Coutinho
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 2

    Abstract
    This worlk presents a technique to control thee spurious oscillations that may appear when the integrals arising from the discretization of scalar steady-state advective-diffusive [...]

  • A. Recuero, M. Álvarez, M. Calderón, J. Moreno
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 2

    Abstract
    Petri nets is a very important tool for the analysis of dynamic systeins. It should be known by all experts in Computational Science. Their most important applications in [...]

  • L. Gil, G. Bugeda, E. Oñate
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 3

    Abstract
    This work describes the difficulties and considerations around sensitivity analysis when the material of the structure behaves non linearly. It is proposed a direct methodology [...]

  • E. Quintana, V. Hernández, G. Quintana
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 3

    Abstract
    The linear-qaudratic optimal control problem arises in the analysis and design of dynamic linear systems. The solution to this problems can be computed in the state space [...]

  • J. Pérez, A. López, A. Hidalgo, C. C.Conde
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 3

    Abstract
    This work is focused on the comparison of two numerical schemes for the resolution of the transport general equation. A Finite lrolume linear scheme, coupled with a time O-discretization [...]

  • F. Chirino, R. Abascal
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 3

    Abstract
    The Mixed Boundary Element Method, a combination of the equations corresponding to the integral representations of displacements and tractions: is used to propose and evaluate [...]

  • J. D'Elía, M. Storti, S. Idelsohn
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 3

    Abstract
    In ref. we presented a numerical algorithm based on centered Finite Elements with absorbing boundary conditions (which we call DKL, for Discrete Non-Local) for the ship wave [...]

  • V. Cortínez, R. Rossi
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 3

    Abstract
    A general theory for the dynamic analysis of thin walled open beams taking into account shear deformability, variable cross-sectional properties and initial stresses is presented. [...]

  • P. Inglessis, G. Gómez, G. Quinteiro, J. Flórez
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 3

    Abstract
    The purpose of this paper is to propose a model of damage for steel frame members based on the methods of Continuum Damage Mechanics and the concept of plastic hinge. A set [...]

  • P. Díez, J. Egozcue, A. Huerta
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 4

    Abstract
    Residual-type error estimators are based on solving the error equation. This paper presents an error estimator which solves local error problems using elementary submeshes. [...]

  • A. Ugalde, L. Pujades, J. Canas
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 4

    Abstract
    Coda waves constitute a powerful tool for the estimation of the seismic wave attenuation in the Earth s lithosphere. Total attenuation includes two effects: intrinsic absorption [...]

  • M. Gil
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 4

    Abstract
    This paper presents the methodology for obtaining equations which describe the secondary treatment of urban wastewater treatment plants. The kinetics of the biodegradation [...]

  • P. Vila
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 4

    Abstract
    A weighted residual formulation of a finite element with coincident nodes has been done to model the heat transfer at the contact interface between two distinct mediums. The [...]

  • R. Bonet, N. Nigro, M. Storti, S. Idelsohn
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 4

    Abstract
    The finite difference method is used to approximate the solutions of Berkhoff s equation for water radiation and scattering in an unbounded domain. To incorporate the exact [...]

  • J. Paolo
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 4

    Abstract
    A one dimensional model of the thermo-elastohydrodynamic line contact problem is numerically solved using the finite element method. The resulting highly nonlinear system [...]

  • R. Prado, S. Idelsohn, M. Storti
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 4

    Abstract
    This work describes the formulation of a computational model to detemine, under inviscid conditions, the tri-dimensional flow field around the blade of an horizontal-axis [...]

  • J. Estupiñan, E. Oñate, B. Suárez
    Rev. int. métodos numér. cálc. diseño ing. (1998). Vol. 14, 4

    Abstract
    The paper presents the application of several evolution methods applied to topology optimization of structures. This investigation is based on the search of a distribution [...]