Now showing items 1-12 of 12

    • A parallel finite-element framework for the thermal analysis of metal additive manufacturing with powder methods 

      Miranda Neiva, Eric (Universitat Politècnica de Catalunya, 2016-10-21)
      Master thesis
      Restricted access - author's decision
      Virtual design process and validation of products built with metal additive manufacturing technologies with powder methods is not possible without a coupled thermomechanical numerical analysis tool that is capable of ...
    • Approximation of the inductionless MHD system with finite element techniques 

      Planas Badenas, Ramon (Universitat Politècnica de Catalunya, 2010-06-01)
      Master thesis
      Open Access
      In this work, a stabilized formulation to solve the inductionless magnetohydrodynamic (MHD) problem using the finite element method is presented. The important feature of this formulation resides in the design of the ...
    • Aproximation of the Aeroacoustics sources with finite element techniques 

      Jazarevic, Vladimir (Universitat Politècnica de Catalunya, 2010-05-05)
      Master thesis
      Open Access
      In this work a stabilized formulation of the nite element method for solving the incompressible Navier-Stokes equation and Lighthill's tensor for calculation of acoustic sources are presented. The important feature of ...
    • Finite element solvers for hyperbolic problems 

      Hierro Fabregat, Alba (Universitat Politècnica de Catalunya, 2012-11)
      Master thesis
      Open Access
      In this work we analyse and develop shock capturing (SC) techniques to improve the behaviour of one dimensional Finite Element methods for nonsmooth solutions. After investigating the state-of-the-art of the current SC ...
    • Large scale finite element solvers for the large eddy simulation of incompressible turbulent flows 

      Colomés Gené, Oriol (Universitat Politècnica de Catalunya, 2016-03-31)
      Doctoral thesis
      Open Access
      In this thesis we have developed a path towards large scale Finite Element simulations of turbulent incompressible flows. We have assessed the performance of residual-based variational multiscale (VMS) methods for the ...
    • Large-scale tree-based unfitted finite elements for metal additive manufacturing 

      Miranda Neiva, Eric (Universitat Politècnica de Catalunya, 2020-10-07)
      Doctoral thesis
      Open Access
      This thesis addresses large-scale numerical simulations of partial differential equations posed on evolving geometries. Our target application is the simulation of metal additive manufacturing (or 3D printing) with powder-bed ...
    • Monotonicity preserving shock capturing techniques for finite elements 

      Hierro Fabregat, Alba (Universitat Politècnica de Catalunya, 2016-11-28)
      Doctoral thesis
      Open Access
      The main object of study of this thesis is the development of artificial diffusion shock capturing techniques for continuous and discontinuous Galerkin (cG and dG) approximations of the convection-diffusion problem. Special ...
    • Monotonicity-preserving finite element methods for hyperbolic problems 

      Bonilla de Toro, Jesús (Universitat Politècnica de Catalunya, 2019-12-17)
      Doctoral thesis
      Open Access
      This thesis covers the development of monotonicity preserving finite element methods for hyperbolic problems. In particular, scalar convection-diffusion and Euler equations are used as model problems for the discussion in ...
    • Scalable domain decomposition methods for finite element approximations of transient and electromagnetic problems 

      Olm Serra, Marc (Universitat Politècnica de Catalunya, 2019-02-18)
      Doctoral thesis
      Open Access
      The main object of study of this thesis is the development of scalable and robust solvers based on domain decomposition (DD) methods for the linear systems arising from the finite element (FE) discretization of transient ...
    • Stabilized finite element formulations for solving incompressible magnetohydrodynamics 

      Planas Badenas, Ramon (Universitat Politècnica de Catalunya, 2013-11-25)
      Doctoral thesis
      Open Access
      Magnetohydrodynamics (MHD) is the physics branch that studies electrically conducting fluids under external magnetic fields. This thesis deals with the numerical approximation using stabilized finite element methods of two ...
    • Unfittted finite element methods for explicit boundary representations 

      Martorell Pol, Pere Antoni (Universitat Politècnica de Catalunya, 2024-02-21)
      Doctoral thesis
      Open Access
      (English) This thesis covers the development of large-scale numerical methods for the simulations of partial differential equations on arbitrarily complex geometries. The target application of this thesis is the structural ...
    • Wave propagation problems with aeroacoustic applications 

      Espinoza Román, Héctor Gabriel (Universitat Politècnica de Catalunya, 2015-05-08)
      Doctoral thesis
      Open Access
      The present work is a compilation of the research produced in the field of wave propagation modeling. It contains in-depth analysis of stability, convergence, dispersion and dissipation of spatial, temporal and spatial-temporal ...