Now showing items 1-20 of 39

  • A coupled Eulerian-PFEM model for the simulation of overtopping in rockfill dams 

    Larese De Tetto, Antonia; Oñate Ibáñez de Navarra, Eugenio; Rossi, Riccardo (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2012)
    Book
    Open Access
  • A Lagrangian PFEM approach for non-Newtonian viscoplastic materials 

    Larese De Tetto, Antonia (Universitat Politècnica de Catalunya. CIMNE, 2017-07)
    Article
    Open Access
    This paper presents the application of a stabilized mixed Particle Finite Element Method (PFEM) to the solution of viscoplastic non-Newtonian flows. The application of the proposed model to the deformation of granular ...
  • A mixed Lagrangian and Eulerian FSI approach for simulation of overtopping on embankment dams 

    Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio (CIMNE (Centro Internacional de Métodos Numéricos en Ingeniería), 2009)
    Conference report
    Open Access
    The present work is concerned with some recent advances in FSI simulations with particular emphasis on the simulation of rockfill dams during extreme phenomena. The final objective is the study of the consequences of an ...
  • Análisis experimental y numérico del oleaje producido por la inestabilidad de laderas de embalses 

    Alves, Ricardo; Morán, Rafael; Toledo Municio, Miguel Ángel; Irazábal González, Joaquín; Salazar González, Fernando; Larese De Tetto, Antonia (2015)
    Conference report
    Open Access
    El fenómeno del oleaje causado por deslizamientos de laderas de embalse un escenario formado por dos procesos, uno de tipo geomecánico y otro, hidrodinámico. El primero está relacionado con el origen de la inestabilidad ...
  • Análisis numérico del proceso de filtración en presas de escollera 

    Tapia Navarro, Cristian; Oñate Ibáñez de Navarra, Eugenio; Larese De Tetto, Antonia (2009-11)
    External research report
    Open Access
    Las presas de materiales sueltos funcionan como presas de gravedad, el peso propio de los materiales que la componen aportan la resistencia necesaria para soportar el empuje horizontal y la flexión que producen las aguas ...
  • Analysis of stability of earth dams in overtopping scenarios with the particle finite element method 

    Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio (CIMNE (Centro Internacional de Métodos Numéricos en Ingeniería), 2009)
    Conference report
    Open Access
    The aim of this work is to study the consequences of an overtopping on the stability of earth dams and its possible failure mode. Rehabilitation and safety analysis of existing dams is nowadays an open field of research. ...
  • An efficient edge-based level set finite element method for free surface flow problems 

    Rossi, Riccardo; Larese De Tetto, Antonia; Dadvand, Pooyan; Oñate Ibáñez de Navarra, Eugenio (2013-02)
    Article
    Restricted access - publisher's policy
    We present an efficient technique for the solution of free surface flow problems using level set and a parallel edge-based finite elementmethod. An unstructured semi-explicit solution scheme is proposed. A custom data ...
  • An implicit Material Point Method applied to granular flows 

    Iaconeta, Ilaria; Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio (Elsevier, 2017)
    Conference lecture
    Open Access
    The main objective of this work lies in the development of a variational implicit Material Point Method (MPM), implemented in the open source Kratos Multiphysics framework. The ability of the MPM technique to solve large ...
  • Applications of numerical methods in design and evaluation of overtopping protection systems 

    Salazar González, Fernando; San Mauro Saiz, Javier; Larese De Tetto, Antonia; Irazábal González, Joaquín; Morán Moya, Rafael; Oñate Ibáñez de Navarra, Eugenio; Toledo Municio, Miguel Ángel (Colorado State University, 2016)
    Conference lecture
    Restricted access - publisher's policy
    The development of overtopping protection systems often requires detailed analyses of complex physical phenomena. This hinders the comprehensive knowledge of their behavior, and therefore the development of suitable design ...
  • A stabilized mixed implicit Material Point Method for non-linear incompressible solid mechanics 

    Iaconeta, Ilaria; Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio (Springer, 2019-06)
    Article
    Restricted access - publisher's policy
    In this work a stabilized mixed formulation for the solution of non-linear solid mechanics problems in nearly-incompressible conditions is presented. In order to deal with high material deformation, an implicit Material ...
  • CIMNE Verification of the validation analisis of Xfinas elements database 

    Larese De Tetto, Antonia; Oñate Ibáñez de Navarra, Eugenio (2009-01)
    External research report
    Open Access
    In order to validate the Xfinas code a very comprehensive series of test examples were solved by Prof Ki-Du Kim and his co-workers. A collection of the more representative benchmarks were chosen at CIMNE for testing the ...
  • Combinación de métodos lagrangianos de elementos finitos y partículas (PFEM) con métodos eulerianos para el análisis del comportamiento de presas de escollera durante un sobrevertido 

    Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio (Sociedad Española de Métodos Numéricos en Ingeniería (SEMNI), 2009)
    Conference report
    Open Access
  • Comparison of a Material Point Method and a Galerkin meshfree method for the simulation of cohesive-frictional materials 

    Iaconeta, Ilaria; Larese De Tetto, Antonia; Rossi, Riccardo; Guo, Zhiming (2017-09)
    Article
    Open Access
    The simulation of large deformation problems, involving complex history-dependent constitutive laws, is of paramount importance in several engineering fields. Particular attention has to be paid to the choice of a suitable ...
  • Coupling eulerian and lagrangian models to simulate seepage and evolution of failure in prototype rockfill dams 

    Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio (2011)
    Conference report
    Restricted access - publisher's policy
    This work presents a model which allows considering the interaction between rockfill dams and the water. The fluid behaviour is analyzed on an Eulerian fixed mesh. A level set technique is employed to tack the evolution ...
  • El papel de los modelos numéricos en la investigación y el diseño de aliviaderos de presas 

    Salazar, Fernando; San Mauro, Javier; Irazábal, Joaquín; Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio; Moran, Rafael; Toledo, Miguel Ángel (Red de Laboratorios de Hidráulica de España (RLHE), 2013)
    Conference report
    Open Access
    El Centro Internacional de Métodos Numéricos en Ingeniería (CIMNE) es un centro de investigación dependiente del Gobierno de Cataluña y de la Universidad Politécnica de Cataluña creado en 1987. Su principal actividad es ...
  • Estudio de la capacidad de desagüe de aliviaderos con compuertas mediante modelación numérica: aplicación a la presa de Oliana 

    Salazar, Fernando; Rossi, Riccardo; Morán Moya, Rafael; Larese De Tetto, Antonia (Mcharly.com, 2011)
    Conference lecture
    Restricted access - publisher's policy
    Las curvas de desagüe de aliviaderos con compuertas, que permiten conocer el caudal que se está vertiendo en unas condiciones (nivel de embalse, apertura de compuerta) determinadas, suelen calcularse en base a formulaciones ...
  • Estudios sobre el comportamiento de presas de escollera ante vertidos por coronación 

    Larese De Tetto, Antonia; Lechuga García, Cristina; Lara Dominguez, Ángel; Berga Cano, Mª Isabel; Viña Gómez, Mª del Pilar; Toledo Municio, Miguel Ángel; Morán Moya, Rafael; Campos, Hibber; García Palacio, Jaime (2010)
    Conference report
    Restricted access - publisher's policy
    Como consecuencia del desarrollo de un Proyecto de Investigación, el CEDEX, la Universidad Politécnica de Madrid y el CIMNE han trabajado conjuntamente en el desarrollo de un método para el estudio del proceso de rotura ...
  • 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 ...
  • 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 ...