A theoretical and computational study of the interaction between biomembranes and curved proteins 

    Tozzi, Caterina (Date of defense: 2021-04-30)

    Organelles are the smallest functional parts of eukaryotic cells. Among them, some are membrane-bound such as the nucleus, the endoplasmic reticulum, or the Golgi apparatus, each of them with essential biological functions. ...

    Aspectos geométricos del control disipativo de sistemas mecànicos y sistemas no holónomos 

    Yániz Fernández, Francisco Javier (Date of defense: 2002-11-29)

    El tratamiento intrínseco de cuestiones relacionadas con la Teoría de Control no lineal a través de la aplicación de técnicas propias de la geometría diferencial ha sido en los últimos años un tema de interés para muy ...

    Development of a Large-Eddy simulation framework for engineering applications using the finite element method 

    Chrysokentis, Georgios (Date of defense: 2019-04-03)

    This thesis develops a large eddy simulation framework for engineering applications using the finite element method. It focuses on the numerical formulation, the wall modelling approach as well as the generation of turbulent ...

    Engineering patterns of wrinkles and bubbles in supported graphene through modeling and simulation 

    Zhang, Kuang (Date of defense: 2015-06-10)

    Graphene deposited on a substrate often exhibits out-of-plane deformations with different features and origins. Networks of localized wrinkles have been observed in graphene synthesized through CVD, as a result of compressive ...

    Geometrical structures of higher-order dynamical systems and field theories 

    Prieto Martínez, Pere Daniel (Date of defense: 2014-10-02)

    Geometrical physics is a relatively young branch of applied mathematics that was initiated by the 60's and the 70's when A. Lichnerowicz, W.M. Tulczyjew and J.M. Souriau, among many others, began to study various topics ...

    Hybrid cell-centred/vertex model for multicellular systems 

    Mosaffa, Payman (Date of defense: 2017-11-11)

    This thesis presents a hybrid vertex/cell-centred approach to mechanically simulate planar cellular monolayers undergoing cell reorganisation. Cell centres are represented by a triangular nodal network, while the cell ...

    Locally adaptive phase-field models and transition to fracture 

    Muixí Ballonga, Alba (Date of defense: 2020-11-30)

    This thesis proposes a new computational model for the efficient simulation of crack propagation, through the combination of a phase-field model in small subdomains around crack tips and a discontinuous model in the rest ...

    Low and high-order hybridised methods for compressible flows 

    Vila Pérez, Jordi (Date of defense: 2021-02-10)

    The aerospace community is challenged as of today for being able to manage accurate overnight computational fluid dynamics (CFD) simulations of compressible flow problems. Well-established CFD solvers based on second-order ...

    Mathematical and computational modeling of flexoelectricity at mesoscopic and atomistic scales 

    Codony, David (Date of defense: 2021-03-01)

    This PhD thesis focuses on the development of mathematical and computational models for flexoelectricity, a relatively new electromechanical coupling that is present in any dielectric at the micron and sub-micron scales. ...

    A multisymplectic approach to gravitational theories 

    Gaset Rifà, Jordi (Date of defense: 2018-07-25)

    The theories of gravity are one of the most important topics in theoretical physics and mathematical physics nowadays. The classical formulation of gravity uses the Hilbert-Einstein Lagrangian, which is a singular ...

    Parallel Lagrangian particle transport : application to respiratory system airways 

    Olivares Mañas, Edgar (Date of defense: 2018-11-09)

    This thesis is focused on particle transport in the context of high computing performance (HPC) in its widest range, from the numerical modeling to the physics involved, including its parallelization and post-process. The ...

    Rheological models for tissue relaxation and fluidisation 

    Asadipour, Nina (Date of defense: 2016-03-04)

    We present a cell-centred model for the simulation of multicellular soft tissues that takes into account the underlying active process at the cytoskeletal level, and allows for active and passive cell-cell reorganisation ...

    Shock capturing for discontinuous Galerkin methods 

    Casoni Rero, Eva (Date of defense: 2011-10-14)

    Aquesta tesi doctoral proposa formulacions de Galerkin Discontinu (DG) d’alt ordre per la captura de shocks, obtenint alhora solucions altament precises per problemes de flux compressible. En les últimes dècades, la ...

    The variational approach to brittle fracture in materials with anisotropic surface energy and in thin sheets 

    Li, Bin (Date of defense: 2016-03-08)

    Fracture mechanics of brittle materials has focused on bulk materials with isotropic surface energy. In this situation different physical principles for crack path selection are very similar or even equivalent. The situation ...

    A theoretical and computational study of the mechanics of biomembranes at multiple scales 

    Torres-Sánchez, Alejandro (Date of defense: 2017-07-11)

    Lipid membranes are thin objects that form the main separation structure in cells. They have remarkable mechanical properties; while behaving as a solid shell against bending, they exhibit in-plane fluidity. These two ...