• A. Plans, D. Alamillo, M. Ferrer, F. Marimon
    Rev. int. métodos numér. cálc. diseño ing. (2018). Vol. 34, (1), 22

    Abstract
    This study focuses on the improvement of composite slabs characterization throughout the use of advanced finite elements models. The accurate three-dimensional modelling of [...]

  • S. Qiao, H. Gao, L. Hua, F. Wang
    Rev. int. métodos numér. cálc. diseño ing. (2018). Vol. 34, (1), 12

    Abstract
    The finite formulation of the 4-node thin shell element based on Co-rotational (CR) and Timoshenko`s theory was presented for the analysis of laminated composite structures. [...]

  • Rev. int. métodos numér. cálc. diseño ing. (2018). Vol. 34, (1), 1

    Abstract
    The design of reliable structures requires robust tools that allow the analysis of the behavior of the system subject to variability in its resistance and applied loads. For [...]

  • Rev. int. métodos numér. cálc. diseño ing. (2018). Vol. 34, (1), 15

    Abstract
    The overall stability of hydraulic tainter steel gate decrease seriously, and they are caused by improper structure layout of the two-way eccentric compression of struts. [...]

  • M. Carreño, N. Lantada, N. Jaramillo
    Rev. int. métodos numér. cálc. diseño ing. (2018). Vol. 34, (1), 13

    Abstract
    The urban areas may be exposed to different natural hazards; in order to jointly evaluate the potential risk, this article proposes a methodology for the qualitative assessment [...]

  • C. Mendoza, J. Ruge, B. Caicedo
    Rev. int. métodos numér. cálc. diseño ing. (2018). Vol. 34, (1), 11

    Abstract
    This work shows the variability of the friction angle based on the geological history, over the bearing capacity of shallow foundations. This study was developed through the [...]

  • L. Pellegrini, R. Ribó, J. Jordan, J. Sobrino
    [ramsan] (2017). 1

    Abstract
    Fiber-reinforced polymer pedestrian bridges are becoming a competitive alternative to conventional concrete or steel pedestrian bridges in the span range from 5 to 30 m. In [...]

  • V. Galina, J. Cargnelutti, E. Kaviski, L. Gramani, A. Lobeiro
    Rev. int. métodos numér. cálc. diseño ing. (2018). Vol. 34, (1), 10

    Abstract
    Derived from simplifications of the Saint-Venant equations, the kinematic wave model has the ability to describe the behavior of surface runoff in watersheds. This paper aims [...]

  • W. Matias Silva, S. Silva, M. Gutiérrez
    Rev. int. métodos numér. cálc. diseño ing. (2018). Vol. 34, (1), 17

    Abstract
    The present work uses a co-rotating approach for obtain the internal forces and tangent stiness matrices for three plane beam elements. All of them are based on the same co-rotational [...]

  • J. Medina, C. Acosta, M. Flota-Bañuelos, R. Peón-Escalante
    Rev. int. métodos numér. cálc. diseño ing. (2018). Vol. 34, (1), 16

    Abstract
    In this paper we propose a numerical solution (software simulation) of the "problem of n bodies" that interact gravitationally based on the formulation of Verlet. [...]

  • S. Durazo-Acevedo, A. Aguilar-Bustos, E. Bugarin
    Rev. int. métodos numér. cálc. diseño ing. (2018). Vol. 34, (1), 7

    Abstract
    This article describes a control proposal for a formation objective of a robot network in collaborative work with static diffusive coupling using tools derived from graph [...]

  • E. Oñate, F. Zarate, M. Celigueta, J. Gonzalez, J. Miquel, J. Carbonell, F. Garcia, S. Latorre, M. Santasusana
    (2017). Research Report, Nº PI416

    Abstract
    In this chapter we present recent advances in the Discrete Element Method (DEM) and in the coupling of the DEM with the Finite Element Method (FEM) for solving a variety of [...]

  • E. Vega-Alvarado, E. Portilla-Flores, G. Munoz-Hernandez, E. Mezura-Montes, G. Sepúlveda-Cervantes, P. Bautista-Camino
    Rev. int. métodos numér. cálc. diseño ing. (2018). Vol. 34, (1), 3

    Abstract
    In this paper a novel proposal of a modular hybrid algorithm as a tool for solving real-world engineering problems is presented. A memetic algorithm, MemMABC, is implemented [...]

  • A. Cordero, P. Martí, M. Victoria
    Rev. int. métodos numér. cálc. diseño ing. (2018). Vol. 34, (1), 5

    Abstract
    The aim of this paper is to introduce an efficient and accurate new approach called Monte Carlo and Kriging (MCK) to robust topology optimization. The objective is to minimize [...]

  • C. Escrig, L. Gil
    Monograph CIMNE (2017). M171

    Abstract
    Actualmente, existen en el mercado numerosas opciones que permiten aplicar refuerzos de matriz cementítica en estructuras en servicio. A pesar de ello, el conocimiento [...]

  • F. Salazar, E. Oñate, M. Toledo
    Monograph CIMNE (2017). M170

    Abstract
    Dam behaviour is difficult to predict with high accuracy. Numerical models for structural calculation solve the equations of continuum mechanics, but are subject to considerable [...]

  • M. Santasusana, E. Oñate
    Monograph CIMNE (2016). M168

    Abstract
    This works encompasses a broad review of the basic aspects of the Discrete Element Method for its application to general granular material handling problems with special emphasis [...]

  • . Informe
    Technical Reports of the International Centre for Numerical Methods in Engineering (CIMNE) (2013). 1

  • Technical Reports of the International Centre for Numerical Methods in Engineering (CIMNE) (2012). 2

  • F. Muñoz, J. Meza, F. Peña
    Technical Reports of the International Centre for Numerical Methods in Engineering (CIMNE) (2012). 8

    Abstract
    Este documento se ha diseñado a partir de la interfaz GiD-Sap90 y lo que pretende es hacer una actualización de esta metodología aplicada a las últimas [...]

  • C. Labra, F. Zárate
    Technical Reports of the International Centre for Numerical Methods in Engineering (CIMNE) (2012). 10

    Abstract
    Se presenta la formulación básica para la modelación de voladura en macizos rocosos mediante el MED. El modelo presentado muestra las características [...]

  • A. Férriz, O. Fruitos, M. Coma, S. Oller
    (2010). IT603

  • M. Coma, A. Férriz, O. Fruitos Bickham, X. Martínez
    Technical Reports of the International Centre for Numerical Methods in Engineering (CIMNE) (2010). 4

    Abstract
    Simulación realizada con FEMCOM 1.0. Modelos con elementos hexaedros. Proyecto “DIPH2”

  • K. Butler, E. Oñate, R. Rossi, J. Marti, S. Idelsohn
    (2010). Research Report, Nº PI349

    Abstract
    The effects of the thermal properties of three flooring materials on the spread rate of polymer melt over the surface were studied using a model based on the Particle Finite [...]

  • R. Méndez, R. Isanta, R. Otín, O. Fruitos
    Technical Reports of the International Centre for Numerical Methods in Engineering (CIMNE) (2009). 3

  • R. Otín
    Technical Reports of the International Centre for Numerical Methods in Engineering (CIMNE) (2009). 5

    Abstract
    SIMPACT is a finite element computer system developed at the International Center for Numerical Methods in Engineering (CIMNE) in Barcelona, Spain, for analysis of structures [...]

  • F. Mossaiby
    Technical Reports of the International Centre for Numerical Methods in Engineering (CIMNE) (2009). 11

    Abstract
    The steady and careful checking process of the test examples is almost impossible for developers and users of Kratos, and needs to be automated. This has been the inspiration [...]

  • S. Díaz, . L.G.Pujades, A. Barbat, D. Hidalgo, Y. Vargas
    Rev. int. métodos numér. cálc. diseño ing. (2018). Vol. 34, (1), 6

    Abstract
    The probabilistic analysis of the seismic performance of a structure requires quantifying the uncertainties of the involved variables and parameters, including the seismic [...]

  • J. Estrazulas, R. Oliveski
    Rev. int. métodos numér. cálc. diseño ing. (2018). Vol. 34, (1), 2

    Abstract
    Several residential, commercial and industrial applications have their efficiency increased when a thermal energy storage system is incorporated. The PCMs (Phase Change Materials), [...]

  • A. Hermosillo-Arteaga, M. Romo, R. Magaña, J. Carrera
    Rev. int. métodos numér. cálc. diseño ing. (2018). Vol. 34, (1), 4

    Abstract
    In this paper an automatic remeshing algorithm of triangular finite elements is presented. It is well known that the element sizes of the mesh play an important role in modeling [...]

  • G. Valdebenito, A. Aparicio
    Monograph Series in Earthquake Engineering, editor A. H. Barbat (2005). MIS55

    Abstract
    Las siguientes páginas corresponden a la presentación de los últimos avances y novedades en materia de comportamiento sísmico de puentes de tirantes [...]

  • M. Salgado-Gálvez, O. Cardona, M. Carreño, A. Barbat
    Monograph Series in Earthquake Engineering, editor A. H. Barbat (2015). MIS69, ISBN: 978-84-943307-7-3

    Abstract
    This work attempts to explain how probabilistic seismic risk assessments can be performed at different resolution levels, using, strictly speaking, the same methodology (or [...]

  • C. Escrig, L. Gil
    Monograph CIMNE (2016). M161

    Abstract
    El principal objetivo de la presente investigación es realizar un estudio comparativo sobre la capacidad de diversos tipos de TRM actuando como refuerzo a cortante [...]

  • A. Coll, P. Dadvand, E. Oñate
    Monographs of the International Centre for Numerical Methods in Engineering (CIMNE) (2019). 17

    Abstract
    Nowadays large part of the time needed to perform a numerical simulation is spent in preprocessing, especially in the geometry cleaning operations and mesh generation. Furthermore, [...]

  • M. Pasenau, C. Andújar
    Monograph CIMNE (2014). M145

    Abstract
    Mesh simplification is an important problem in computer graphics. Given a polygonal mesh, the goal is to generate another mesh which approximates the underlying shape but [...]

  • E. Ortega, R. Flores, E. Oñate, C. Sacco, E. González
    (2010). Research Report, Nº PI341

    Abstract
    The design and evaluation of parachute-payload systems is an important field of applications in which numerical analysis tools can make very important contributions. This [...]

  • E. Oñate, S. Idelsohn, M. Celigueta, R. Rossi, S. Latorre
    (2010). Research Report, Nº PI345

    Abstract
    We 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 [...]

  • F. Muñoz, J. Maristany, J. López-Rey
    (2010). Research Report, Nº PI344

    Abstract
    The numerical modeling of historic buildings is an essential tool for understanding the structural behavior, even more whit the aim is to assume an analysis for conservation [...]

  • R. Flores, E. Ortega, E. Oñate
    (2011). Research Report, Nº PI351

    Abstract
    An explicit dynamic structural solver developed at CIMNE for the analysis of parachutes is presented. The canopy fabric has a negligible out-of-plane stiffness, therefore [...]

  • E. González, C. Sacco, E. Ortega, R. Flores
    (2011). Research Report, Nº PI356

    Abstract
    The role parachutes have in many civil, humanitarian and military applications call for new and improved computational tools aimed at tackling the current lack of software [...]

  • (2011). Research Report, Nº PI358

    Abstract
    When people talks about research, development and technology transfer (RTD in short) and commercial industrial activities, it is quite usual to mix up objectives, resources [...]

  • E. Oñate
    (2011). Research Report, Nº PI360

    Abstract
    The paper presents an overview of the advances in recent years on the finite element method (FEM) and on particle-based methods for the simulation of industrial metal forming [...]

  • E. Oñate, B. Suárez, F. Salazar, R. Morán, M. Celigueta, S. Latorre
    (2011). Research Report, Nº PI365

    Abstract
    Se describen los conceptos básicos del método de partículas y elementos finitos (PFEM) para análisis de flujos de fluidos en lámina libre [...]

  • M. Font, E. Oñate, J. Carbonell
    (2011). Research Report, Nº PI366

    Abstract
    El deflectòmetre d’impacte segurament és l’aparell més utilitzat per realitzar assaigs no destructius dels ferms. Els enginyers utilitzen [...]

  • E. Ortega, E. Oñate, S. Idelsohn
    (2011). Research Report, Nº PI368

    Abstract
    An adaptive Finite Point Method (FPM) for solving aeroelastic compressible flow problems is presented. The numerical methodology is based on a meshless upwind-biased discretization [...]

  • E. Oñate, M. Celigueta, S. Idelsohn, F. Salazar, A. Larese, R. Rossi, B. Suárez, R. Morán
    (2012). Research Report, Nº PI374

    Abstract
    We present some developments in the Particle Finite Element Method (PFEM) for analysis of coupled problems in mechanics involving fluid-soil-structure interaction (FSSI). [...]

  • A. Franci, E. Oñate, J. Carbonell
    (2014). Research Report, Nº PI407

    Abstract
    In this work, a unified updated Lagrangian formulation for solving fluid-structure interaction (FSI) problems is derived. The mixed velocity-pressure formulation for hypoelastic [...]

  • F. Salazar, J. Mauro, J. Irazábal, A. Larese, . R. Rossi, E. Oñate, R. Morán, M. Toledo
    (2013). Research Report, Nº PI396

    Abstract
    El Centro Internacional de Métodos Numéricos en Ingeniería (CIMNE) es un centro de investigación dependiente del Gobierno de Cataluña y [...]

  • E. Oñate, A. Franci, J. Carbonell
    (2014). Research Report, Nº PI403

    Abstract
    We present a Lagrangian formulation for coupled thermal analysis of quasi and fully incompressible flows and fluid-structure interaction (FSI) problems that has excellent [...]

  • E. Oñate, M. Celigueta, S. Latorre, G. Casas, R. Rossi, J. Rojek
    (2014). Research Report, Nº PI405

    Abstract
    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 [...]

  • H. Koszur
    (2015). Research Report, Nº PI412

    Abstract
    The main objective of this document is to present an idea of calibration tests used to improve an input material model in the DEM simulations in the D-DEMPack package programme [...]

  • J. Mora, R. Otín, P. Dadvand, E. Escolano, M. Pasenau, E. Oñate
    (2005). Research Report, Nº PI273

    Abstract
    Computational electromagnetism requires a wide range of numerical methods depending on the application, the topology of the geometry, the frequency and the quality of the [...]

  • E. Oñate, J. Miquel, F. Zárate
    (2005). Research Report, Nº PI269

    Abstract
    A stabilized finite element method (FEM) for the multidimensional steady state advection-diffusion-absorption equation is presented. The stabilized formulation is based on [...]

  • E. Oñate
    (2004). Research Report, Nº PI264

    Abstract
    El artículo revindica el valor de los métodos de cálculo que se enseñan en las Escuelas de Ingeniería, como herramientas indispensables [...]

  • G. Peffer, B. Llacay
    Technical Reports of the International Centre for Numerical Methods in Engineering (CIMNE) (2004). 12

    Abstract
    The trading and investment decision processes in financial markets becomes ever more dependent on the use of valuation and risk models. In certain, cases such as risk management, [...]

  • B. Llacay, G. Peffer
    (2004). Research Report, Nº PI260

    Abstract
    Recently, some authors have warned of the increasingly widespread use of risk management techniques by financial institutions, arguing that this can cause the market to become [...]

  • B. Boroomand, F. Mossaiby
    (2004). Research Report, Nº PI250

    Abstract
    In this part of the paper we shall use the formulation given in the first part to assess the quality of recovery based error estimators using two recovery methods, i.e. Superconvergent [...]

  • B. Boroomand, A. Tabatabaie, E. Oñate
    (2004). Research Report, Nº PI249

    Abstract
    A stabilized version of the Finite Point Method (FPM) is presented. A source of instability due to the evaluation of the base function using a least square procedure is discussed. [...]

  • B. Boroomand, B. Khalilian
    (2004). Research Report, Nº PI248

    Abstract
    In this paper a simple iterative method is presented for finite element solution of incompressible plane strain problems using linear elements. Instead of using a mixed formulation [...]

  • E. Oñate, S. Idelsohn, F. Pin, R. Aubry
    (2004). Research Report, Nº PI243

    Abstract
    We present a general formulation for analysis of fluid-structure interaction problems using the particle finite element method (PFEM). The key feature of the PFEM is the use [...]

  • E. Oñate, F. Flores
    (2003). Research Report, Nº PI241

    Abstract
    A family of rotation-free three node triangular shell elements is presented. The simplest element of the family is based on an assumed constant curvature field expressed in [...]

  • G. Bernal, O. Cardona
    Monograph Series in Earthquake Engineering, editor A. H. Barbat (2015). MIS71, ISBN: 978-84-944244-2-7

    Abstract
    En esta monografía se propone el desarrollo de una metodología numérica para la calibración de un modelo de espectro de fuente a partir de información [...]

  • E. Oñate, J. Marcipar, J. Piazzese
    (2003). Research Report, Nº PI238

    Abstract
    La eclosión de las Tecnologías de la Información y las Comunicaciones (TIC), y en particular de Internet, ha facilitado el desarrollo de sistemas que, [...]

  • N. Dialami, M. Chiumenti, M. Cervera, C. Saracibar
    Monograph CIMNE (2016). M157

    Abstract
    This paper deals with the numerical simulation of Friction Stir Welding (FSW) processes. FSW techniques are used in many industrial applications and particularly in the aeronautic [...]

  • L. Barbu, S. Oller, X. Martínez, A. Barbat
    Monograph CIMNE (2016). M160

    Abstract
    The present work aims at advancing an innovative computational methodology that simulates steel and composite material fracture under cyclic loading following a phenomenological [...]

  • G. Valdebenito, A. Aparicio
    Monograph Series in Earthquake Engineering, editor A. H. Barbat (2010). MIS62, ISBN: 978-84-96736-84-9

    Abstract
    Earthquakes can be really destructive. There is no doubt. Recent seismic events have demonstrated the important effects on structures, and especially on bridges. In this sense, [...]

  • R. Aguiar
    Monograph Series in Earthquake Engineering, editor A. H. Barbat (2006). MIS57, ISBN: 84-95999-91-9

    Abstract
    En la última década se han desarrollado importantes investigaciones en los Estados Unidos de Norte América, para evaluar en forma rápida la vulnerabilidad [...]

  • R. Aguiar
    Monograph Series in Earthquake Engineering, editor A. H. Barbat (2007). IS58, ISBN: 978-84-96736-40-7

    Abstract
    En los Países Desarrollados existen comités de normas que se encuentran trabajando en forma continua, esto se debe a que día a día existen nuevos [...]

  • C. Estruch, E. Oñate, B. Suárez, J. Marcipar
    Monograph CIMNE (2016). M164

    Abstract
    En la presente tesis doctoral se propone desarrollar, construir y validar experimentalmente un nuevo Concepto de Puente de Vigas Hinchables Ligero, Modular y Portátil [...]

  • F. Perazzo, E. Oñate, J. Miquel
    Monograph CIMNE (2003). M81

    Abstract
    Las principales aportaciones de la tesis se pueden circunscribir a los siguientes ámbitos: Por un lado explicar y desarrollar la formulación del MPF [...]

  • E. Oñate, A. Franci, J. Carbonell
    (2014). Research Report, Nº PI406

    Abstract
    We present a generalized Lagrangian formulation for analysis of industrial forming processes involving thermally coupled interactions between deformable continua. The governing [...]