Browsing by Author "Larese De Tetto, Antonia"
Now showing items 1-20 of 47
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A coupled Eulerian-PFEM model for the simulation of overtopping in rockfill dams
(Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2012)
Book
Open Access -
A discontinuous Nitsche-based finite element formulation for the imposition of the Navier-slip condition over embedded volumeless geometries
(2021-09)
Article
Open AccessThis work describes a novel formulation for the simulation of incompressible Navier–Stokes problems involving nonconforming discretizations of membrane-like bodies. The new proposal relies on the use of a modified finite ... -
A Lagrangian PFEM approach for non-Newtonian viscoplastic materials
(Universitat Politècnica de Catalunya. CIMNE, 2017-07)
Article
Open AccessThis 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
(CIMNE (Centro Internacional de Métodos Numéricos en Ingeniería), 2009)
Conference report
Open AccessThe 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 ... -
A modified Finite Element formulation for the imposition of the slip boundary condition over embedded volumeless geometries
(2019-08)
Article
Open AccessThis work describes a novel formulation for the simulation of Navier–Stokes problems including embedded objects. The new proposal is based on the use of a modified finite element space, which replaces the standard one ... -
A stabilized mixed implicit Material Point Method for non-linear incompressible solid mechanics
(Springer, 2019-06)
Article
Open AccessIn 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 ... -
An efficient edge-based level set finite element method for free surface flow problems
(2013-02)
Article
Restricted access - publisher's policyWe 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
(Elsevier, 2017)
Conference lecture
Open AccessThe 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 ... -
Analysis of fluid soil-structure interaction problems with the particle finite element method (PFEM)
(2012)
Research report
Open AccessWe present some developments in the Particle Finite Element Method (PFEM) for analysis of coupled problems in mechanics involving fluid-soil-structure interaction (FSSI). The PFEM uses an updated Lagrangian description to ... -
Analysis of stability of earth dams in overtopping scenarios with the particle finite element method
(CIMNE (Centro Internacional de Métodos Numéricos en Ingeniería), 2009)
Conference report
Open AccessThe 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. ... -
Análisis experimental y numérico del oleaje producido por la inestabilidad de laderas de embalses
(2015)
Conference report
Open AccessEl 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
(2009-11)
Research report
Open AccessLas 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 ... -
Applications of numerical methods in design and evaluation of overtopping protection systems
(Colorado State University, 2016)
Conference lecture
Restricted access - publisher's policyThe 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 ... -
Assessment of simplified momentum equations for free surface flows through rigid porous media
(Springer Nature, 2023-06)
Article
Open AccessIn many applications, free surface flow through rigid porous media has to be modeled. Examples refer to coastal engineering applications as well as geotechnical or biomedical applications. Albeit the frequent applications, ... -
CIMNE Verification of the validation analisis of Xfinas elements database
(2009-01)
Research report
Open AccessIn 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
(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
(2017-09)
Article
Open AccessThe 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 ... -
Coupled soil-structure interaction modeling and simulation of landslide protective structures
(CIMNE, 2019)
Conference report
Open AccessWithin the past two decades, mass movements hazards involving fast and large soil deformation have increased significantly in frequency and magnitude due to their strong relation to climate changes and global warming. These ... -
Coupling eulerian and lagrangian models to simulate seepage and evolution of failure in prototype rockfill dams
(2011)
Conference report
Restricted access - publisher's policyThis 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
(Red de Laboratorios de Hidráulica de España (RLHE), 2013)
Conference report
Open AccessEl 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 ...
