• B. Movahedian, B. Boroomand
    (2011). PI364

    In this research we present a method based on using Exponential Basis Functions (EBFs) to solve a class of time dependent engineering problems. The solution is first approximated [...]

  • S. Zandi, B. Boroomand, S. Soghrati
    (2011). PI363

    In this report, a new simple meshless method is presented for the solution of incompressible inviscid fluid flow problems with moving boundaries. A Lagrangian formulation [...]

  • W. Castelló, F. Flores
    (2011). PI362

    El objetivo principal del presente informe es mostrar las mejoras en la performance del código Stampack, cuando se lo emplea en conjunto con OpenMP en máquinas [...]

  • M. Pasenau, C. Andújar
    (2011). PI361

    El objetivo principal del proyecto de fin de carrera es el análisis, diseño, implementación y prueba de un algoritmo que permita simplificar rápidamente [...]

  • (2011). PI357

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

  • E. Oñate
    (2011). PI354

    Cuando se habla de la investigación, el desarrollo tecnológico y la innovación (I+D+I en siglas, que yo escribo todas en mayúsculas [1]) es frecuente [...]

  • M. Shahbazi, B. Boroomand, S. Soghrati
    (2011). PI353

    In this report, we introduce a meshfree approach for static analysis of isotropic/orthotropic crossply laminated plates with symmetric/non-symmetric layers. Classical, first [...]

  • R. Flores, E. Ortega, R. López
    (2012). PI375

    This work, conducted at CIMNE under ALEF project task 1.2.3, presents an investigation about the potential capabilities of neural networks to assist simulation campaigns. [...]

  • A. Eijo, E. Oñate, S. Oller
    (2012). PI378

    A new bilinear 4-noded quadrilateral element (called QLRZ) for the analysis of composite laminated and sandwich plates/shells based on the refined zigzag theory (RZT) proposed [...]

  • C. Estruch, B. Suárez, J. Marcipar
    (2012). PI380

    Actualmente el espacio formado por el “Parc Mediterrani de la Tecnologia” y el Campus Universitario de la Universitat Politècnica de Catalunya (PMT-UPC) [...]

  • M. Santasusana, E. Oñate
    (2012). PI381

    The Discrete Element Method is a relatively new technique that has nowadays and intense research in the field of numerical methods. In its first conception, the method was [...]

  • D. Modesto, S. Zlotnik, A. Huerta
    (2013). PI401

    Solving the Helmholtz equation for a large number of input data in an heterogeneous media and unbounded domain still represents a challenge. This is due to the particular [...]

  • A. Llanos, E. Oñate, F. Zárate
    (2013). PI398

    Actualmente existen programas de MAT-fem para calcular vigas de material homogéneo, según la teoría de Euler-Bernoulli o de Timoshenko. El objetivo de [...]

  • P. Nadukandi
    (2014). PI408

    We present numerically stable formulas for the analytical solution in the closed form of the so-called X-IVAS scheme in 3D. The X-IVAS scheme is a material point based [...]

  • E. Ortega, R. Flores
    (2016). PI415

    PARACHUTES is a computer program developed at the International Center for Numerical Methods in Engineering (CIMNE) for the simulation of ram-air (gliding) parachute systems. The [...]

  • (2011). PI359

    Se presentan unas reflexiones sobre el ciclo que las ideas recorren desde que surgen en un entorno universitario hasta que se transforman en un producto industrial. Se concretan [...]

  • B. Boroomand, B. Khalilian
    (2004). PI248

    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 [...]

  • B. Boroomand, M. Ghaffarian, O. Zienkiewicz
    (2004). PI247

    In this paper a study is performed on application of two recovery methods, i.e. Superconvergent Patch Recovery (SPR) and the Recovery by Equilibrium of Patches (REP), to plate [...]

  • B. Boroomand, A. Tabatabaie, E. Oñate
    (2004). PI249

    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, F. Mossaiby
    (2004). PI250

    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 [...]

  • J. Valdés
    (2004). PI266

    Avances en el análisis mediante elementos finitos de membranas curvas con ''wrinkling''  sujetas a grandes desplazamientos son presentados. Este [...]

  • E. Ortega, R. Flores, E. Oñate, C. Sacco, E. González
    (2010). PI341

    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, B. Suárez, F. Salazar, R. Morán, M. Celigueta, S. Latorre
    (2011). PI365

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

  • E. Ortega, E. Oñate, S. Idelsohn
    (2011). PI368

    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, S. Idelsohn, F. Pin, R. Aubry
    Int. J. Computational Meths. (2004). Vol. 1 (2), pp. 267-307

    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, J. Marcipar, J. Piazzese
    Research Reports of the International Centre for Numerical Methods in Engineering (CIMNE) (2019). 30

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

  • H. Koszur
    (2015). PI412

    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 [...]

  • E. Oñate, F. Flores
    (2003). PI241

    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 [...]

  • E. Oñate, J. Carbonell
    (2013). PI393

    We present a mixed velocity-pressure finite element formulation for solving the updated Lagrangian equations for quasi and fully incompressible fluids. Details of the governing [...]

  • E. Oñate, J. Miquel, F. Zárate
    Computers and Fluids (2007). Vol. 36 (1), pp. 92-112, 2007

    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, M. Celigueta, S. Latorre, G. Casas, R. Rossi, J. Rojek
    Comp. Part. Mech (2014). (prepint) Vol. 1 pp. 85-102

    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 [...]

  • M. Font, E. Oñate, J. Carbonell
    (2011). PI366

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

  • J. Mora, R. Otín, P. Dadvand, E. Escolano, M. Pasenau, E. Oñate
    (2005). PI273

    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, A. Franci, J. Carbonell
    (2014). PI406

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

  • E. Oñate, M. Celigueta, S. Idelsohn, F. Salazar, A. Larese, R. Rossi, B. Suárez, R. Morán
    (2012). PI374

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

  • B. Llacay, G. Peffer
    (2004). PI260

    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 [...]

  • E. González, C. Sacco, E. Ortega, R. Flores
    (2011). PI356

    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 [...]

  • R. Flores, E. Ortega, E. Oñate
    (2011). PI351

    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. Oñate, A. Franci, J. Carbonell
    (2014). PI403

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

  • F. Salazar, J. Mauro, J. Irazábal, A. Larese, . R. Rossi, E. Oñate, R. Morán, M. Toledo
    (2013). PI396

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

  • E. Oñate
    Revista de Obras Públicas (2004). Vol. 151 (3449), pp. 41-48

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

  • A. Franci, E. Oñate, J. Carbonell
    (2014). PI407

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

  • E. Oñate
    (2011). PI360

    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 [...]

  • (2011). PI358

    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, S. Idelsohn, M. Celigueta, R. Rossi, S. Latorre
    (2010). PI345

    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). PI344

    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 [...]

  • J. Irazábal, F. Salazar, E. Oñate
    (2012). PI390

    The analysis of landslides in reservoirs is particularly interesting because the oscillation of the water surface elevation (especially rapid drawdowns) can foster their occurrence. [...]

  • N. Lafontaine, X. Wang, K. Huang, M. Yuan, E. Oñate
    (2013). PI399

    In this work we introduced and implemented the AL method in NOLM program. Basically the actual implementation in NOLM is based in the work proposed by Lam and Morley (1992) [...]

  • M. Mier-Torrecilla, S. Idelsohn, E. Oñate
    Int. J. Numer. Meth. Fluids (2010). Vol. 67 (11), pp. 1516-1539

    In this work we extend the Particle Finite Element Method (PFEM) to multi-fluid flow problems with the aim of exploiting the fact that Lagrangian methods are specially well [...]

  • E. Oñate, F. Zarate, M. Celigueta, J. Gonzalez, J. Miquel, J. Carbonell, F. Garcia, S. Latorre, M. Santasusana
    (2017). PI416

    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. Oñate
    (2012). PI386

    En este trabajo se analizan algunas de las razones que dificultan y favorecen la transferencia de los resultados de la investigación que se desarrolla en entornos científicos [...]

  • E. Oñate, J. Marti, P. Ryzhakov, R. Rossi, S. Idelsohn
    (2013). PI395

    A computational procedure for analysis of the melting, burning and flame spread of polymers under fire conditions is presented. The method, termed Particle Finite Element [...]

  • Research Reports of the International Centre for Numerical Methods in Engineering (CIMNE) (2019).

    A stabilized semi-implicit fractional step finite element method for solving coupled fluid-structure interaction problems involving free surface waves is presented. The stabilized [...]

  • E. Oñate, C. Labra, F. Zárate, J. Rojek
    (2012). PI373

    We present a new computational model for predicting the effect of blast loading on structures. The model is based in the adaptive coupling of the finite element method (FEM) [...]


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Engineering, Marine

Engineering, Mechanical