Active flow control methods for aerodynamic applications 

    Sarwar, Wasim (Date of defense: 2020-07-17)

    The cylinder in cross flow has been the subject of many numerical and experimental studies since it provides a deep insight of the physical phenomena occurring in a wide range of flow regimes. Despite a number of investigations ...

    Contributions to ionospheric modeling with GNSS in mapping function, tomography and polar electron 

    Lyu, Haixia (Date of defense: 2020-11-17)

    This dissertation focuses on determining the vertical electron content distribution in low and high vertical resolution from ground-based and LEO on board GNSS data and improving the knowledge of ionosphere climatology in ...

    Data-driven neural mass modelling 

    Escuain i Poole, Lara Sofia (Date of defense: 2019-03-28)

    The brain is a complex organ whose activity spans multiple scales, both spatial and temporal. The computational unit of the brain is thought to be the neurone. At the microscopic level, neurones communicate via action ...

    Dinàmica orientacional i estructura local en liquids moleculars sobrerefredats 

    Ortiz de Urbina Viade, Jordi (Date of defense: 2021-09-30)

    The aim of this thesis is to study, by means of molecular dynamics simulations, the behaviour of two molecular models at different temperatures, approaching the glass transition. One of them mimics methanol molecules, ...

    Effects of vibrations applied to fluids at different gravity levels 

    Garcia Sabaté, Anna (Date of defense: 2016-06-20)

    Due to the increasing interest in space exploration, management of two-phase flows in the absence of gravity has become a key aspect in improving the efficiency of technological applications for space missions. Understanding ...

    Estimation of binding free energies with Monte Carlo atomistic simulations and enhanced sampling 

    Gilabert Navarro, Joan Francesc (Date of defense: 2020-07-22)

    The advances in computing power have motivated the hope that computational methods can accelerate the pace of drug discovery pipelines. For this, fast, reliable and user-friendly tools are required. One of the fields that ...

    Exact coherent structures in the transitional regime of shear and centrifugal flows 

    Ayats López, Roger (Date of defense: 2022-04-22)

    Turbulence is one of the major concerns for most technological problems involving fluid motion. Specially in aeronautics, a turbulent boundary layer results in structural stresses, vibrations and higher aircraft drag, ...

    High-order hybridizable discontinuous Galerkin method for viscous compressible flows 

    Javadzadeh Moghtader, Mostafa (Date of defense: 2016-11-04)

    Computational Fluid Dynamics (CFD) is an essential tool for engineering design and analysis, especially in applications like aerospace, automotive and energy industries. Nowadays most commercial codes are based on Finite ...

    A high-performace computing tool for partitioned multi-physics applications 

    Zavala-Aké, J. Miguel (Date of defense: 2018-09-13)

    The simulation and modelling of complex applications involving the interaction of processes governed by different physical principles is addressed in this thesis. The interaction of a fluid with a deformable body, or the ...

    Hilbert analysis of air temperature dynamics 

    Zappalà, Dario (Date of defense: 2019-04-04)

    The dynamics of the climate system plays a crucial role in the sustainability of life on Earth, and this motivates research to understand and characterise our climate and predict its evolution. In this thesis we focus on ...

    Hydrodynamic models of accretion onto rotating compact stars 

    Martín Rodríguez, José David (Date of defense: 2023-07-07)

    (English) Hydrodynamic models are essential for our understanding of the physics of stellar explosions, and specifically, for their potential contribution to the Galactic chemical abundances. In this Work, a one-dimensional ...

    Impulse maneuver design for a solar sail spacecraft in the restricted three-body problem framework 

    Duan, Xun (Date of defense: 2023-05-10)

    (English) A solar sail is a method of spacecraft propulsion that uses only the solar radiation pressure (SRP). The main research object of this thesis is a solar sail spacecraft in the artificially created libration point ...

    Large-scale CFD and micro-particles simulations in a large human airways under sniff condition and drug delivery application 

    Calmet, Hadrien (Date of defense: 2020-11-10)

    As we inhale, the air drawn through our nose undergoes successive accelerations and decelerations as it is turned, split, and recombined before splitting again at the end of the trachea as it enters the bronchi. Fully ...