Now showing items 1-14 of 14

    • 3D FEM model of ground deformation in Deception Island (Antarctica) 

      Garrido Ballart, Sònia (Universitat Politècnica de Catalunya, 2017-06-16)
      Master thesis
      Open Access
      Covenantee:   Institut de Ciències de la Terra Jaume Almera
      Ground deformation has been demonstrated to be one of the most common signals of volcanic unrest. A variety of processes can cause ground deformation in active volcanic areas (e.g. magmatic processes, pore pressure ...
    • 3D simulation of magneto-mechanical coupling in MRI scanners using high order FEM and POD 

      Seoane Chouciño, Marcos (Universitat Politècnica de Catalunya, 2020-07-15)
      Doctoral thesis
      Open Access
      Magnetic Resonance Imaging (MRI) scanners have become an essential tool in the medical industry due to their ability to produce high resolution images of the human body. To generate an image of the body, MRI scanners combine ...
    • Advanced numerical techniques for inverse problems in geophysics 

      Ortega Gelabert, Olga (Universitat Politècnica de Catalunya, 2020-12-18)
      Doctoral thesis
      Open Access
      This thesis presents an efficient methodology to couple Model Order Reduction techniques within the framework of geophysical probabilistic inversion problems. Accurate models of the interaction between Earth inner processes ...
    • An improved X-FEM solution to ensure normal stress continuity for two-phase flow problems 

      Bozkus, Hayrullah Kerim (Universitat Politècnica de Catalunya, 2012-07-29)
      Master thesis
      Open Access
      In this thesis, starting from the foundations of the Theory of Classical Finite Elements Method, The basic principles of Extended Finite Elements Method (X-FEM) are Explained. Why X-FEM takes place in many applications in ...
    • Anàlisi de sensibilitat per un model geofísic 

      Veas Sotorra, Carlota (Universitat Politècnica de Catalunya, 2016-09-22)
      Bachelor thesis
      Restricted access - author's decision
      Les mesures geològiques per identificar paràmetres geofísics es comparen amb el resultat de models numèrics. En particular, per identificar estructures geològiques en escales de l'ordre dels 1000 km, es fan servir models ...
    • Efficient parallel solvers for large-scale saddle-point problems 

      Lustman, Arthur (Universitat Politècnica de Catalunya, 2019-06-14)
      Bachelor thesis
      Restricted access - author's decision
    • Error estimation and adaptivity for PGD solutions 

      Reis, Jonatha Oliveira de Matos (Universitat Politècnica de Catalunya, 2020-12-29)
      Doctoral thesis
      Open Access
      A significant part of the current research efforts in computational mechanics is focused on analyzing and handling large amounts of data, exploring high dimensional parametric spaces and providing answers to increasingly ...
    • Model order reduction for hydraulic fracturing problems 

      Burcet Rodríguez, Martí (Universitat Politècnica de Catalunya, 2017-09-22)
      Master thesis
      Open Access
      Hydraulic Fracturing is a technology in petroleum engineering aiming at improving the production of oil and gas wells. Recently, with the technological success of horizontal well drilling and completion, hydraulic fracturing ...
    • Numerical estimation of the dynamic topography in large scale geophysical models 

      Valls Brusco, Arnau (Universitat Politècnica de Catalunya, 2015-07-03)
      Master thesis
      Restricted access - author's decision
    • Optimization of thermal energy storage systems for data centres 

      Codina Gessé, Marta (Universitat Politècnica de Catalunya, 2016-06-22)
      Master thesis
      Restricted access - author's decision
      Data centres are facilities used to house computer systems and associated components which aim for performance. The increment of these facilities is translated into a huge increment on energy consumption representing a ...
    • Petrov-Galerkin Proper Generalized Decomposition strategies for convection-diffusion problems 

      Perelló i Ribas, Rafel (Universitat Politècnica de Catalunya, 2020-06-22)
      Master thesis
      Open Access
      The present thesis explores the capabilities of a dual based Petrov-Galerkin Proper Generalised Decom-position (PGD) method to solve non self-adjoint parametric partial differential equations (PDE). The(consistent) Galerkin ...
    • Proper generalized decomposition solutions for composite laminates parameterized with fibre orientations for fast computations 

      El-Ghamrawy, Karim (Universitat Politècnica de Catalunya, 2021-04-23)
      Doctoral thesis
      Open Access
      Composite materials are gaining popularity as an alternative to classical materials in many different applications. Moreover, their design is even more flexible due to the potential of additive ...
    • Reduced order modelling of water flow in embankment dams. A parametric study 

      Astals Buck, Enric William (Universitat Politècnica de Catalunya, 2020-06-30)
      Bachelor thesis
      Open Access
      Las presas de relaves son enormes estructuras construidas para almacenar los desechos mineros. En contraposición a las presas de retención de agua, este tipo de estructura es elevada progresivamente a lo largo de su vida ...
    • Surrogate data-driven models for parametric analysis of vehicle structural dynamics for NVH assessment 

      Riera Roig, Toni (Universitat Politècnica de Catalunya, 2020-06-26)
      Master thesis
      Open Access
      The limitations of numerical simulations by a lack of computational resources has favoured the development of approaches that aim at reducing the computational cost of these simulations, while retaining a high degree of ...