Browsing by Contributor "Codina, Ramon"
Now showing items 21-34 of 34
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Numerical simulation of aeroacoustics using the variational multiscale method : application to the problem of human phonation
(Universitat Politècnica de Catalunya, 2018-02-23)
Doctoral thesis
Open AccessThe solution of the human phonation problem applying computational mechanics is covered by several research branches, such as Computational Fluid Dynamics (CFD), biomechanics or acoustics, among others. In the present ... -
Orthogonal subgrid-scale stabilization for nonlinear reaction-convection-diffusion equations
(Universitat Politècnica de Catalunya, 2016)
Master thesis
Open AccessNonlinear reaction-convection-diffusion equations are encountered in modeling of a variety of natural phenomena such as in chemical reactions, population dynamics and contaminant dispersal. When the scale of convective ... -
Proyecto constructivo de una nave industrial en el polígono "El Circuit" de Montmeló
(Universitat Politècnica de Catalunya, 2009-05)
Master thesis (pre-Bologna period)
Open AccessEl objetivo del presente proyecto es elaborar todos los documentos necesarios para la construcción de una nave industrial en un solar de la población de Montmeló (Vallés Oriental), ubicado en el polígono industrial “El ... -
Simulació de la qualitat de la visió al voltant d'un telescopi
(Universitat Politècnica de Catalunya, 2007-06)
Minor thesis
Open AccessEls telescopis astronòmics recullen els raigs de llum procedents dels objectes celests i els transformen en imatges el més nítides possible. No obstant, al travessar l’atmosfera, aquests raigs de llum pateixen tot un seguit ... -
Simulació numèrica de flux sanguini a través de la bifurcació principal d'una artèria caròtida humana amb estenosi
(Universitat Politècnica de Catalunya, 2001-03)
Master thesis (pre-Bologna period)
Restricted access - confidentiality agreement -
Simulation models for cranktrains of combustion engines
(Universitat Politècnica de Catalunya, 2012-03-01)
Master thesis
Open AccessThe avoidance of excessive free forces and torsional vibration at cranktrains is essential for a long lifetime and silent operation of internal combustion engines. Hence numerical simulations of these properties play an ... -
Stabilized finite element approximation of the incompressible MHD equations
(Universitat Politècnica de Catalunya, 2010-07-12)
Doctoral thesis
Open AccessNo es frecuente encontrar un campo donde dos ramas principales de la Física estén involucradas. La Magnetohidrodinámica es uno de tales campos debido a que involucra a la Mecánica de Fluidos y al Electromagnetismo. Aun ... -
Stabilized finite element formulations for solving incompressible magnetohydrodynamics
(Universitat Politècnica de Catalunya, 2013-11-25)
Doctoral thesis
Open AccessMagnetohydrodynamics (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 ... -
Stabilized finite element formulations for the three-field viscoelastic fluid flow problem
(Universitat Politècnica de Catalunya, 2016-03-15)
Doctoral thesis
Open AccessThe Finite Element Method (FEM) is a powerful numerical tool, that permits the resolution of problems defined by partial differential equations, very often employed to deal with the numerical simulation of multiphysics ... -
Stabilized reduced order models for low speed flows
(Universitat Politècnica de Catalunya, 2020-03-23)
Doctoral thesis
Open AccessThis thesis presents the a stabilized projection-based Reduced Order Model (ROM) formulation in low speed fluid flows using a Variational Multi-Scale (VMS) approach. To develop this formulation we use a Finite Element (FE) ... -
Subgrid scale stabilized finite elements for low speed flows
(Universitat Politècnica de Catalunya, 2008-04-21)
Doctoral thesis
Open AccessLa descripción del flujo de fluidos involucra la solución de las ecuaciones de Navier-Stokes compresible, un problema muy complejo cuya estructura matemática no es del todo comprendida. Por lo tanto, mediante análisis ... -
The Fixed-Mesh ALE method applied to multiphysics problems using stabilized formulations
(Universitat Politècnica de Catalunya, 2011-01-14)
Doctoral thesis
Open AccessThe finite element method is a tool very often employed to deal with the numerical simulation of multiphysics problems.Many times each of these problems can be attached to a subdomain in space which evolves in time. Fixed ... -
Topology optimization of incompressible structures for fluid-structure interaction problems
(Universitat Politècnica de Catalunya, 2023-07-24)
Doctoral thesis
Open Access(English) Topology optimization of incompressible structures, in which the loads on the structure come from the stresses exerted by a surrounding fluid, is a highly complex problem. This work presents a compilation of the ... -
Wave propagation problems with aeroacoustic applications
(Universitat Politècnica de Catalunya, 2015-05-08)
Doctoral thesis
Open AccessThe 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 ...
