Exploració per autor "Pouplana Sarda, Ignasi de"
Ara es mostren els items 1-19 de 19
-
A FIC-based stabilized mixed finite element method with equal order interpolation for solid–pore fluid interaction problems
Pouplana Sarda, Ignasi de; Oñate Ibáñez de Navarra, Eugenio (2017-01)
Article
Accés obertA new mixed displacement-pressure element for solving solid–pore fluid interaction problems is presented. In the resulting coupled system of equations, the balance of momentum equation remains unaltered, while the mass ... -
A Lagrangian–Eulerian procedure for the coupled solution of the Navier–Stokes and shallow water equations for landslide-generated waves
Maso Sotomayor, Miguel; Franci, Alessandro; Pouplana Sarda, Ignasi de; Cornejo Velázquez, Alejandro; Oñate Ibáñez de Navarra, Eugenio (Springer, 2022-07-30)
Article
Accés obertThis work presents a partitioned method for landslide-generated wave events. The proposed strategy combines a Lagrangian Navier Stokes multi-fluid solver with an Eulerian method based on the Boussinesq shallow water ... -
A prototype of a micro-scale model for the distribution of NO2 in urban areas
Pouplana Sarda, Ignasi de; Latorre, Salvador; Maso Sotomayor, Miguel; Guinart, Xavier; Oñate Ibáñez de Navarra, Eugenio; Perez Gabucio, Eva; Hernández Cardona, Isabel; Baulies Bochaca, Xavier (2023-02)
Article
Accés restringit per política de l'editorialWe present a new 2.5D model for predicting the concentration of nitrogen dioxide (NO2) at street level in an urban area. This work develops the first prototype of a tool that should provide fast quantitative answers ... -
A review on thermo-mechanical modelling of arch dams during construction and operation: effect of the reference temperature on the stress field
Salazar González, Fernando; Vicente González, David Jesús; Irazábal González, Joaquín; Pouplana Sarda, Ignasi de; San Mauro Saiz, Javier (2020-11)
Article
Accés restringit per política de l'editorialDouble-curvature dams are unique structures for several reasons. Their behaviour changes significantly after joint grouting, when they turn from a set of independent cantilevers into a monolithic structure with arch effect. ... -
An isotropic damage model for geomaterials in the Kratos framework
Pouplana Sarda, Ignasi de; Oñate Ibáñez de Navarra, Eugenio (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2015)
Llibre
Accés obertProgressive fracture in quasi-brittle materials such as concrete, rocks, soils, is often treated as strain softening in continuum damage mechanics. Such constitutive relations favour spurious strain localization and ... -
An isotropic damage model for geomaterials in the KRATOS framework
Pouplana Sarda, Ignasi de (Universitat Politècnica de Catalunya, 2015-02)
Projecte Final de Màster Oficial
Accés obertL’evolució de la fractura en materials quasi-fràgils com el formigó, les roques, o els sòls, sovint és tractada amb estovament de deformacions dins el marc de la mecànica del dany continu. Aquestes relacions constitutives ... -
Application of the Particle Finite Element Method (PFEM) to the numerical simulation of landslides
Franci, Alessandro; Pouplana Sarda, Ignasi de; Celigueta Jordana, Miguel Ángel; Casas González, Guillermo; Oñate Ibáñez de Navarra, Eugenio; Cremonesi, Massimiliano (Innovation Center on Natural Hazards and Infrastructure (ICONHIC), 2019)
Text en actes de congrés
Accés restringit per política de l'editorialThis work explores the application of the Particle Finite Element Method (PFEM) to the simulation of landslides. The PFEM uses a Lagrangian description of the motion and an efficient remeshing algorithm to track accurately ... -
Combination of a non-local damage model for quasi-brittle materials with a mesh-adaptive finite element technique
Pouplana Sarda, Ignasi de; Oñate Ibáñez de Navarra, Eugenio (2016-05)
Article
Accés obertProgressive fracture in quasi-brittle materials is often treated via strain softening models in continuum damage mechanics. Such constitutive relations favour spurious strain localization and ill-posedness of boundary value ... -
Development of new computational methods for fluid-structure interaction analysis of multi-fractured media
Pouplana Sarda, Ignasi de (Universitat Politècnica de Catalunya, 2018-01-25)
Tesi
Accés obertThe objective of this thesis is the derivation and implementation of a robust Finite Element formulation for the solution of solid-pore fluid coupled problems in multi-fractured porous media. A coupled displacement-pore ... -
Explicit time integration scheme with large time steps for first order transient problems using finite increment calculus
Oñate Ibáñez de Navarra, Eugenio; Pouplana Sarda, Ignasi de; Zárate Araiza, José Francisco (2022-12)
Article
Accés restringit per política de l'editorialWe present an explicit integration scheme for solving the transient heat conduction equation that allows larger time steps than the standard forward Euler scheme. The derivation starts from a higher order form of the ... -
FIC–FEM formulation for the multidimensional transient advection–diffusion–absorption equation
Puigferrat Pérez, Albert; Pouplana Sarda, Ignasi de; Oñate Ibáñez de Navarra, Eugenio (2020-06)
Article
Accés obertIn this paper we present a stabilized FIC–FEM formulation for the multidimensional transient advection–diffusion–absorption equation. The starting point is the non-local form of the governing equations for the multidimensional ... -
Finite element modelling of fracture propagation in saturated media using quasi-zero-thickness interface elements
Pouplana Sarda, Ignasi de; Oñate Ibáñez de Navarra, Eugenio (Elsevier, 2018-04)
Article
Accés obertA new computational technique for the simulation of 2D and 3D fracture propagation processes in saturated porous media is presented. A non-local damage model is conveniently used in conjunction with interface elements to ... -
Numerical prediction of the distribution of black carbon in a street canyon using a semi-Lagrangian finite element formulation
Puigferrat Pérez, Albert; Pouplana Sarda, Ignasi de; Amato, Fulvio; Oñate Ibáñez de Navarra, Eugenio (Elsevier, 2021-07)
Article
Accés obertWe present a procedure for coupling the fluid and transport equations to model the distribution of a pollutant in a street canyon, in this case, black carbon (BC). The fluid flow is calculated with a stabilized finite ... -
Numerical simulation of particle impact drilling (PID) systems: a one-way coupled approach
Casas González, Guillermo; Pouplana Sarda, Ignasi de; Gandikota, Varadaraju; Oñate Ibáñez de Navarra, Eugenio (Springer, 2022-07)
Article
Accés obertA numerical technique based on a CFD-DEM method is presented for the analysis of particle impact drilling (PID) systems. The method is built from a preexisting finite element Navier–Stokes solver for the fluid phase and a ... -
PFEM–DEM for particle-laden flows with free surface
Franci, Alessandro; Pouplana Sarda, Ignasi de; Casas González, Guillermo; Celigueta Jordana, Miguel Ángel; González Usúa, Joaquín; Oñate Ibáñez de Navarra, Eugenio (Springer, 2020-01)
Article
Accés obertThis work proposes a fully Lagrangian formulation for the numerical modeling of free-surface particle-laden flows. The fluid phase is solved using the particle finite element method (PFEM), while the solid particles embedded ... -
Semi-Lagrangian formulation for the advection–diffusion–absorption equation
Puigferrat Pérez, Albert; Maso Sotomayor, Miguel; Pouplana Sarda, Ignasi de; Casas González, Guillermo; Oñate Ibáñez de Navarra, Eugenio (2021-07)
Article
Accés obertWe present a numerical method for solving advective–diffusive–absorptive problems with high values of advection and absorption. A Lagrangian approach based on the updated version of the classical Particle Finite Element ... -
Use of sensors, mobiles and computer vision in experimental structural dynamics
Chacón Flores, Rolando Antonio; Rivas, Jose; González Lopez, Jose Manuel; Pouplana Sarda, Ignasi de (Aristotle Univertity of Thessaloniki, 2021)
Text en actes de congrés
Accés restringit per política de l'editorialIn Civil Engineering, traditional approaches for teaching concepts of structural mechanics include dense yet sequential theoretical development of proofs and exercises. Often, in the specific case of structural dynamics, ... -
Validation study of a new implementation of the Discrete Element Method for an open source multiphysics code
Pouplana Sarda, Ignasi de (Universitat Politècnica de Catalunya, 2013-07-15)
Tesina
Accés obertEl Mètode dels Elements Discrets (MED) és una tècnica numèrica que discretitza un material per simular discontinu o continu mitjançant la interacció de grans quantitats d’elements rígids.L’Aplicació del MED és un codi ... -
Variant de la carretera BV-5207 al terme municipal de l'Esquirol-Santa Maria de Corcó
Pouplana Sarda, Ignasi de (Universitat Politècnica de Catalunya, 2014-02-17)
Projecte/Treball Final de Carrera
Accés obert