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Ice spheres in snow mechanics: microstructural analyses, experiments, and simulations
(2021)Doctoral Thesis -
Statistical Solutions for the Incompressible Euler Equations with Finite Volume Methods
(2021)The theoretical understanding of the fundamental equations of fluid dynamics, the Navier-Stokes and Euler equations, is currently limited, and results of existence and uniqueness of their solutions are not known in a general setting. Statistical solutions have been recently proposed as a suitable framework for the formal treatment of turbulence. These are defined as a probability measure in a space of integrable functions, which verify ...Doctoral Thesis -
Practical data-centric optimization of C/C++ applications
(2022)C is a programming language used everywhere and in a big part of scientific codes. With the increase of highly parallel computing machines the code needs to be adapted to be able to use the full power available. In my thesis I will expand a compiler frontend to be able to transform C code into a data centric representation that will intern be able to identify data dependencies automatically and hence produce highly parallel code. ...Bachelor Thesis -
Experimental quantification of deadwood influence on rockfall dynamics and its incorporation into regional-scale rockfall models
(2022)Mountain forests provide an essential protective function against natural hazards. Various studies predict higher tree mortality and susceptibility to natural disturbances such as windthrow, bark beetle infestation, and forest fires as a result of future climate and legacies of land-use history. Therefore the fundamental research question of this thesis arises: Can disturbed mountain forests with lying deadwood still protect against ...Doctoral Thesis -
Reliability-based code calibration for timber in fire
(2021)For the design of structures, codes such as the Eurocode guarantee the required structural safety, both for the permanent and the fire design. In timber construction, the fire resistance is usually verified with the standard fire curve, since Eurocode provides simple and accurate design models for this exposure. The current Eurocode for timber in fire (EN 1995-1-2:2004) has evolved historically and uses the 20% fractile value for the ...Doctoral Thesis -
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Exploring Ferroelectric Quantum Criticality and Superconductivity in KTaO3
(2018)Electron-doped cubic perovskite KTaO3 has recently been shown to become superconducting at temperatures below 50 mK [1]. In the closely related material SrTiO3, a ferroelectric quantum critical point was proposed to be the origin of superconductivity [2]. In this work, using first-principles calculations, we show that a ferroelectric quantum critical point emerges with electron doping in KTaO3, lying at doping values close to the emergence ...Master Thesis