Now showing items 2678-2697 of 5508

    High power, high intensity few-cycle pulses in the mid-IR for strong-field experiments 

    Baudisch, Matthias (Date of defense: 2017-07-12)

    High-energy, few-cycle, mid-lR radiation sources featuring high pulse repetition rates are of tremendous interest for a variety of strong-field physics and attoscience applications. Such systems could be used in combination ...

    High rate algal ponds for post-treating sewage from UASB reactors : treatment efficiency, anaerobic co-digestion and sustainability 

    Castro, Lucas Vassalle de (Date of defense: 2021-07-05)

    This PhD thesis aimed at evaluating the performance of high rate algal ponds (HRAP) to post-treat the anaerobic effluent from an upflow anaerobic sludge blanket (UASB) reactor fed with sewage. The work analysed the system ...

    High-fidelity numerical simulations of reacting flows with tabulated chemistry 

    Both, Ambrus (Date of defense: 2023-06-29)

    (English) In the transition to net-zero carbon emission technologies, turbulent combustion is expected to retain an important role in various applications. In particular, the aviation industry is projected to widely adapt ...

    High-fidelity surrogate models for parametric shape design in microfluidics 

    Borchini, Luca (Date of defense: 2020-12-17)

    Nowadays, the main computational bottleneck in computer-assisted industrial design procedures is the necessity of testing multiple parameter settings for the same problem. Material properties, boundary conditions or ...

    High-level compiler analysis for OpenMP 

    Royuela Alcázar, Sara (Date of defense: 2018-06-11)

    Nowadays, applications from dissimilar domains, such as high-performance computing and high-integrity systems, require levels of performance that can only be achieved by means of sophisticated heterogeneous architectures. ...

    High-order discontinuous Galerkin methods for incompressible flows 

    Villardi de Montlaur, Adeline de (Date of defense: 2009-09-22)

    Aquesta tesi doctoral proposa formulacions de Galerkin discontinu (DG) d'alt ordre per fluxos viscosos incompressibles. <br/>Es desenvolupa un nou mètode de DG amb penalti interior (IPM-DG), que condueix a una forma feble ...

    High-order finite volume method for solid dynamics in fluid-structure interaction applications 

    Castrillo Green, Pablo (Date of defense: 2023-02-24)

    (English) This thesis aims at developing a high-order finite volume method for solid dynamics on unstructured three-dimensional meshes. The adoption of high-order interpolation methods has a key importance in the efficient ...

    High-order hybridizable discontinuous Galerkin formulation and implicit Runge-Kutta schemes for multiphase flow through porous media 

    Costa Solé, Albert (Date of defense: 2020-07-17)

    This dissertation presents high-order hybridisable discontinuous Galerkin (HDG) formulations coupled with implicit Runge-Kutta (RK) methods for the simulation of one-phase flow and two-phase flow problems. High-order-methods ...

    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 ...

    High-peak-power mid-infrared OPCPAs for extreme nonlinear photonics 

    Elu Etxano, Ugaitz (Date of defense: 2022-05-03)

    In the last decades, intense carrier-envelope-phase-stable (CEP-stable) and near-single-cycle, coherent mid-infrared sources have become charming for a variety of applications in physics, chemistry and biology. In particular, ...

    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 ...

    High-performance and energy-efficient irregular graph processing on GPU architectures 

    Segura Salvador, Albert (Date of defense: 2021-02-18)

    Graph processing is an established and prominent domain that is the foundation of new emerging applications in areas such as Data Analytics and Machine Learning, empowering applications such as road navigation, social ...

    High-performance computing fluid-structure interaction model of bioprosthetic aortic valve replacements 

    Oks, David (Date of defense: 2023-07-17)

    (English) Computational modeling and simulation (CM&S) provides a powerful cost- and time-efficient tool to access detailed mechanistic information of biomedical problems, which is not accessible in either clinical imaging ...

    High-power fiber-laser-pumped picosecond nonlinear optical sources from the near- to mid-infrared 

    Parsa, Shahrzad (Date of defense: 2018-07-24)

    Ultrafast picosecond coherent sources in the near-to-mid-infrared (IR) spectral range are of great interest for a variety of applications such as pump-probe spectroscopy, remote sensing, photobiology and novel upconversion ...

    High-power, continuous-wave optical parametric oscillators from visible to near-infrared 

    Samanta, Goutam Kumar (Date of defense: 2009-07-01)

    This thesis presents the development of a new class of high-power, continuous-wave (cw) optical parametric oscillators (OPOs) with extended tunability from visible to near-infrared (near-IR). While lasers have been in use ...

    High-power, fiber-laser-pumped frequency conversion sources for the ultraviolet 

    Sánchez Bautista, Enrique (Date of defense: 2015-11-26)

    High-power, stable, high-repetition-rate, picosecond ultraviolet (UV) sources are of crucial importance for a variety of applications, such as atmospheric sensing, spectroscopy or optical data storage. Further, precise ...

    High-power, fiber-laser-pumped optical parametric oscillators from the visible to mid-infrared 

    Chaitanya Kumar, Suddapalli (Date of defense: 2012-01-18)

    High-power, continuous-wave (cw), mid-infrared (mid-IR) laser sources are of interest for variety of applications such as trace gas detection and remote sensing, which require broad spectral coverage to address the most ...

    High-precision computation of uniform asymptotic expansions for special functions 

    Navas Palencia, Guillermo (Date of defense: 2019-07-22)

    In this dissertation, we investigate new methods to obtain uniform asymptotic expansions for the numerical evaluation of special functions to high-precision. We shall first present the theoretical and computational fundamental ...

    High-resolution deformation measurement using "Persistent Scatterer Interferometry" 

    Devanthéry Arasa, Núria (Date of defense: 2014-10-31)

    Persistent Scatterer Interferometry (PSI) is a group of advanced differential interferometric SAR techniques that are used to measure and monitor terrain deformation. Different PSI techniques have been proposed in the last ...

    High-resolution space-borne and ground-based SAR persistent scatterer interferometry for landslide monitoring 

    Iglesias González, Rubén (Date of defense: 2015-12-04)

    Every year, with the onset of spring rains and snow melting, landslides represent one of the major threats to human life and infrastructures in natural environments. In this context, different surveying techniques, such ...