Aproximación del transporte de contaminantes en aguas someras mediante elementos finitos de alto orden 

    Villota Cadena, Angel Patricio (Date of defense: 2020-07-09)

    The objective of the doctoral thesis is to perform the numerical approximation of the transient convection-diffusion-reaction (CDR) vector equation in 2D with high order finite elements, quadratic, cubic and fourth order, ...

    Computational multiscale analysis of masonry structures 

    Petracca, Massimo (Date of defense: 2016-04-13)

    Masonry is an ancient building material that has been used throughout the history, and it is still used nowadays. Masonry constitutes the main building technique adopted in historical constructions, and a deep understanding ...

    Computational multiscale modeling of fracture and its model order reduction 

    Caicedo Silva, Manuel Alejandro (Date of defense: 2017-02-24)

    This thesis focuses on the numerical modeling of fracture and its propagation in heterogeneous materials by means of hierarchical multiscale models based on the FE2 method, addressing at the same time, the problem of the ...

    Discrete volume method : a variational approach for brittle fracture 

    Cardoso Nungaray, Víctor Eduardo (Date of defense: 2018-04-27)

    This thesis presents a proposal to simulate mechanics and dynamics of brittle fracture. A variational formulation is used to describe Lagrangian mechanics, by minimizing the difference between potential and kinetic energy ...

    Fluid structure interaction by means of reduced order models 

    Tello Guerra, Alexis (Date of defense: 2020-07-10)

    The standard Fluid Structure Interaction coupling (velocity--pressure/displacement) is compared against two novel types of coupling, a Two Field coupling (velocity--pressure/displacement--pressure) and a Three Field coupling ...

    A machine learning based methodology for anomaly detection in dam behaviour 

    Salazar González, Fernando (Date of defense: 2017-02-23)

    Dam behaviour is difficult to predict with high accuracy. Numerical models for structural calculation solve the equations of continuum mechanics, but are subject to considerable uncertainty as to the characterisation of ...

    Mejora del diagnóstico y de la hemodinámica en la revascularización carotídea : aplicación de la dinámica de fluidos computacional mediante el OpenFOAM® y otras herramientas de libre distribución 

    Arias Araluce, Fausto Arturo (Date of defense: 2017-05-19)

    Stroke is a major cause of death and disability in Spain and in the Western world. It is often caused by an accumulation of atherosclerotic plaques on the walls of carotid arteries. Carotid revascularization may be the ...

    Modeling of the mixed form of wave problems with correcting terms based on training artificial neural networks: application to acoustic black holes 

    Fabra Ruiz, Arnau (Date of defense: 2023-10-16)

    (English) This thesis presents novel approaches and computational methods for solving wave propagation problems in acoustics and linear elasticity. Stabilized finite element methods in the context of the variational ...

    Multiscale numerical modelling of microstructured reinforced composites 

    Otero Gruer, Fermin (Date of defense: 2016-02-09)

    Most of the existing materials around us can be considered composite materials, since they are composed by several phases or components at certain spatial scale. The physical and chemical properties of composites, as occurs ...

    Numerical analysis of railway ballast behaviour using the Discrete Element Method. 

    Irazábal González, Joaquín (Date of defense: 2017-10-06)

    The development of high-speed train lines has increased significantly during the last twenty-five years, leading to more demanding loads in railway infrastructures. Most of these infrastructures were constructed using ...

    Numerical modelling of the growth and remodelling phenomena in biological tissues 

    Comellas Sanfeliu, Ester (Date of defense: 2016-02-05)

    Living biological tissues are complex structures that have the capacity of evolving in response to external loads and environmental stimuli. The adequate modelling of soft biological tissue behaviour is a key issue in ...

    Numerical modelling of viscoelastic flows based on a log-conformation formulation 

    Moreno Martínez, Laura (Date of defense: 2021-09-22)

    Viscoelastic fluids are a type of non-Newtonian fluids which are formed by complex internal structures and high-molecular-weight, whose typical examples are the polymer solutions and molten polymers. Also, the viscoleastic ...

    Numerical simulation of aeroacoustics using the variational multiscale method : application to the problem of human phonation 

    Pont Ribas, Arnau (Date of defense: 2018-02-23)

    The 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 ...

    Numerical simulation of fatigue processes : application to steel and composite structures 

    Barbu, L. G. (Lucia Gratiela) (Date of defense: 2016-02-01)

    The present thesis aims at advancing an innovative computational methodology that simulates steel and composite material fracture under cyclic loading following a phenomenological approach, with calibration from both small ...

    Numerical techniques for non-linear analysis of structures combining discrete element and finite element methods 

    Santasusana Isach, Miquel (Date of defense: 2016-12-01)

    This works encompasses a broad review of the basic aspects of the Discrete Element Method for its application to general granular material handling problems with special emphasis on the topics of particle-structure interaction ...

    A particle finite element method for fluid-related problems in civil engineering 

    Celigueta Jordana, Miguel Ángel (Date of defense: 2019-11-14)

    The work presented in this Thesis is a set of developments focused on the Particle Finite Element Method (PFEM) and its applicability in several fields in Civil Engineering. The PFEM had already been proven to be a powerful ...