Now showing items 21-40 of 44

    • Finite element modeling of free surface flow in variable porosity media 

      Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio (2015-11)
      Article
      Open Access
      The aim of the present work is to present an overview of some numerical procedures for the simulation of free surface flows within a porous structure. A particular algorithm developed by the authors for solving this type ...
    • Hydraulic and stability analysis of the supporting layer of wedge-shaped blocks 

      San Mauro Saiz, Javier; Larese De Tetto, Antonia; Salazar González, Fernando; Irazábal González, Joaquín; Morán Moya, Rafael; Toledo Municio, Miguel Ángel (Colorado State University, 2016)
      Conference lecture
      Restricted access - publisher's policy
      Wedge shaped blocks (WSB) are attracting increasing attention as protection against overtopping for earth and rock-fill dams. However, there are limited examples of application and some aspects of the technology merit ...
    • Introduction to the finite element method 

      Oñate Ibáñez de Navarra, Eugenio; Díez, Pedro; Zárate Araiza, José Francisco; Larese De Tetto, Antonia (Universitat Politècnica de Catalunya, 2008-10)
      Lecture notes
      Open Access
    • Metodología de análisis de comportamiento de presas de escollera frente a un sobrevertido 

      Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio; Toledo Municio, Miguel Ángel (2010)
      Conference report
      Restricted access - publisher's policy
      Con el objetivo de llegar a un mejor conocimiento del principio del proceso de rotura de las presas de material suelto y obtener una herramienta que permita un análisis más riguroso de este fenómeno, se está desarrollando ...
    • Modelling of Bingham and Herschel-Bulkley flows with mixed P1/P1 finite elements stabilized with Orthogonal Subgrid Scale 

      Moreno, Elvira; Larese De Tetto, Antonia; Cervera Ruiz, Miguel (2016-02)
      Article
      Open Access
      This paper presents the application of a stabilized mixed pressure/velocity finite element formulation to the solution of viscoplastic non-Newtonian flows. Both Bingham and Herschel–Bulkley models are considered. The detail ...
    • Numerical and experimental study of overtopping and failure of rockfill dams 

      Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio; Toledo Municio, Miguel Ángel; Morán Moya, Rafael; Campos, Hibber (2015-08)
      Article
      Restricted access - publisher's policy
      This paper aims to present and validate a numerical technique for the simulation of the overtopping and onset of failure in rockfill dams due to mass sliding. This goal is achieved by coupling a fluid dynamic model for the ...
    • Numerical modeling of the hydraulic performance of Oliana dam spillway using Kratos 

      Salazar, Fernando; Morán Moya, Rafael; Rossi, Riccardo; Larese De Tetto, Antonia (2011)
      Conference report
      Restricted access - publisher's policy
      Head-discharge curves in gated spillways are commonly obtained by means of the application of empirical formulations. The most popular one, recommended by SPANCOLD [1], was developed by the U.S. Army Corps of Engineers ...
    • Numerical modelling of landslide-generated waves with the particle finite element method (PFEM) and a non-Newtonian flow model 

      Salazar González, Fernando; Irazábal González, Joaquín; Larese De Tetto, Antonia; Oñate Ibáñez de Navarra, Eugenio (2015)
      Article
      Open Access
      Landslide-generated impulse waves may have catastrophic consequences. The physical phenomenon is difficult to model because of the uncertainties in the kinematics of the mobilised material and to the intrinsic complexity ...
    • On the validation of the particle finite element method (PFEM) for complex engineering fluid flow problems 

      Larese De Tetto, Antonia; Rossi, Riccardo; Idelsohn Barg, Sergio Rodolfo; Oñate Ibáñez de Navarra, Eugenio (TU Delft, 2006)
      Conference report
      Restricted access - publisher's policy
      Several comparisons between experiments and computational models are presented in the following pages. The objective is to verify the ability of Particle Finite Elements Methods (PFEM) [1] [2] to reproduce hydraulic phenomena ...
    • PFEM application in fluid structure interaction problems 

      Celigueta Jordana, Miguel Ángel; Larese De Tetto, Antonia; Latorre, Salvador (CIMNE (Centro Internacional de Métodos Numéricos en Ingeniería), 2008)
      Conference report
      Open Access
      In the current paper the Particle Finite Element Method (PFEM), an innovative numerical method for solving a wide spectrum of problems involving the interaction of fluid and structures, is briefly presented. Many examples ...
    • Physical and numerical modelization of the behavior of rockfi ll dams during overtopping scenarios 

      Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio; Toledo Municio, Miguel Ángel (CRC Press, 2011)
      Conference report
      Restricted access - publisher's policy
      In recent years the technology on embankments dams has developed sensibly due to the advances in soil mechanic, and in all related sciences. Nevertheless their vulnerability to overtopping is still an open theme of discussion. ...
    • Physical and numerical modelization of the behaviour of rockfill dams during overtopping scenarios 

      Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio; Toledo Municio, Miguel Ángel (CRC Press. Taylor & Francis Group, 2010)
      Part of book or chapter of book
      Restricted access - publisher's policy
    • Procedimiento de diseño de protecciones tipo repié para evitar la rotura por deslizamiento en masa de presas de escollera sometidas a percolaciones extremas 

      Morán, Rafael; Alves, Ricardo; Toledo, Miguel Ángel; Larese De Tetto, Antonia; Salazar, Fernando; Rossi, Riccardo (Marcombo, 2013)
      Conference report
      Restricted access - publisher's policy
      La demanda de seguridad en infraestructuras críticas ha aumentado en los últimos años, especialmente en los países con mayor nivel de desarrollo económico y social. En estos países, el control del estado de la seguridad ...
    • Protecciones de presas mediante repiés de escollera y bloques en forma de cuña 

      Moran, Rafael; Alves, Ricardo; Toledo, Miguel Ángel; Salazar, Fernando; Larese De Tetto, Antonia; San Mauro, Javier (Red de Laboratorios de Hidráulica de España (RLHE), 2013)
      Conference report
      Open Access
      La tecnología de protecciones de presas de materiales sueltos ha experimentado un gran avance en las últimas décadas. El estado del arte de protecciones incluye tipologías muy diferentes en función del origen del daño al ...
    • Safety analysis of rockfill dams during overspill phenomena 

      Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo (Bulgarian Committee on Large Dams, 2008)
      Conference report
      Restricted access - publisher's policy
      An increasing interest is rising on the study of rockfill embankment dams during overspilling. Design criteria of earth dams are being reviewed in many countries to guarantee an increasing safety level in front of an ...
    • Simulating complex problems in civil engineering: the particle finite element method and beyond 

      Rossi, Riccardo; Larese De Tetto, Antonia; Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo (2011)
      Conference report
      Restricted access - publisher's policy
    • Simulation of the beginning of failure in rockfill dams caused by overtopping 

      Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio (CRC Press Taylor & Francis Group, 2015)
      Part of book or chapter of book
      Restricted access - publisher's policy
      In the last decades, the technology of dam protection has undergone major advancements. The increasing demand for safety in modern society has created the need for cost-effective measures to protect critical infrastructure ...
    • Simulation of two- and three-dimensional viscoplastic flows using adaptive mesh refinement 

      Cotela Dalmau, Jordi; Rossi, Riccardo; Larese De Tetto, Antonia (John Wiley & Sons, 2017-05-26)
      Article
      Open Access
      This paper presents a finite element solver for the simulation of steady non-Newtonian flow problems, using a regularized Bingham model, with adaptive mesh refinement capabilities. The solver is based on a stabilized ...
    • Theme B: simulation of the behavior of prototypes of rockfill dams during overtopping scenarios: seepage evolution and beginning of failure 

      Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio; Toledo Muñicio, Miguel Ángel; Morán Moya, Rafael; Campos, Hibber; Lara, Ángel; Viña Gómez, Mª del Pilar (2011)
      Conference report
      Restricted access - publisher's policy
      In recent years the technology on embankments dams has developed sensibly due to the advances in soil mechanic, and in all related sciences. Nevertheless their vulnerability to overtopping still remains their weakest point ...
    • Towards the virtual wind tunnel 

      Larese De Tetto, Antonia; Rossi, Riccardo; Zorrilla Martínez, Rubén; Wüchner, Roland; Oñate Ibáñez de Navarra, Eugenio (2017)
      Conference report
      Restricted access - publisher's policy
      The maturity of numerical techniques both in Computational Structural and Fluid Dynamics, accompanied by the availability of affordable high-performance hardware, allows the use of virtual rapid-prototyping facilities as ...