Mostrando ítems 421-440 de 5601

    Visco-plasticity of zero-thickness interfaces with softening, and application to the study of fault reactivation 

    Jaqués Adell, Irene (Fecha de defensa: 2023-02-10)

    (English) In the current context of both energy and environmental needs, there has been an increase in activities related to extraction and injection of fluids in the underground. It is known that a possible consequence ...

    Analysis of the influence of false twist integrated into a high speed drafting system of an air jet spinning machine 

    Günther, Karoline (Fecha de defensa: 2023-02-24)

    (English) Air jet spinning is an emerging technology, already well established in the textile market. The commercial success increased over the last decades and intensified the research and innovation approach in the field ...

    Nonlinear modeling and characterization of SAW devices for communications systems 

    González Rodríguez, Marta (Fecha de defensa: 2023-02-10)

    (English) Nowadays, worldwide booming growth in mobile devices puts a lot of pressure on the mobile communications technologies since an enormous amount of requirements, mainly focused on delivering enhanced mobile broadband ...

    Metric-aware optimization of high-order meshes for curved adaptivity 

    Aparicio Estrems, Guillermo (Fecha de defensa: 2023-04-26)

    (English) To enhance the simulation accuracy when the solution presents sharp curved features, the community of high-order methods has started to curve not only the boundary but also the interior of unstructured high-order ...

    Nodal distributions on the high-dimensional simplex for high-order interpolation and integration 

    Jiménez Ramos, Albert (Fecha de defensa: 2023-06-28)

    (English) To simulate unsteady phenomena on complex moving geometry, computational scientists and engineers have been interested in unstructured space-time discretizations. These space-time discretizations aim to overcome ...

    Event based SLAM 

    Chamorro Hernández, William Oswaldo (Fecha de defensa: 2023-02-17)

    (English) Event-based cameras are novel sensors with a bio-inspired design that exhibit a high dynamic range and extremely low latency. They sensing principle is different than the one of conventional cameras. These novel ...

    Collective motion and collective decision-making in animal groups : from scholling fish to swarming robots 

    Múgica Gallart, Julia (Fecha de defensa: 2023-06-07)

    (English) Collective behavior in animals is ubiquitous in nature. It emerges from the self-organization of interacting individuals within a group. What makes collective behavior so interesting is that the behavior of the ...

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

    Castrillo Green, Pablo (Fecha de defensa: 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 ...

    Metodología para estimación del daño sísmico en edificios en base a modelos numéricos avanzados y monitorizaciones RAR 

    Cabrera Vélez, Esteban Marcelo (Fecha de defensa: 2023-02-16)

    (English) In post-seismic scenarios, the rapid and safe evaluation of structural damage is essential to develop an effective response during the recovery, rehabilitation and reconstruction stages. The development of new ...

    La arquitectura moche del Perú : análisis, interpretación y relación con la arquitectura peruana (1924-2020) 

    Alva López, Florentino Gerardo (Fecha de defensa: 2023-02-27)

    (English) The latest archaeological discoveries and research on the Moche or Mochica culture (circa 200 A.D.-800 A.D.), developed in the northern coast of Peru, has allowed us to have a better vision and understanding of ...

    Graphene based optical interconnects and IR photodetectors 

    Agarwal, Hitesh (Fecha de defensa: 2023-01-23)

    (English) Despite the extensive research in the semiconductor industry, Moore’s law is finally slowing down due to increased complexity. Hence, intense efforts are being carried out to explore hybrid solutions by adding ...

    Around and about the arts in Barcelona (1939-1960) : supporting roles, select circles and small venues 

    Martín-Nieva, Helena (Fecha de defensa: 2023-06-15)

    (English) "Around and about the Arts in Barcelona" explores the slow, difficult introduction of music and visual arts of the avant-garde into the city between the years 1939 and 1960. It looks at the formation of a small ...

    Power calculation algorithm under nonlinear loads and Hopf oscillator-based synchronization controller for grid-forming inverters in a microgrid 

    Li, Mingshen (Fecha de defensa: 2023-01-23)

    (English) In the grid-forming control of microgrids, the droop control is a widely used for the parallel operation of power inverters, but has some peculiarities as slow dynamic and inaccuracy in the power sharing. In the ...

    El urban sprawl : un modelo de urbanización insostenible 

    Arellano Ramos, Blanca (Fecha de defensa: 2022-09-30)

    (English) he present thesis consists in a PhD thesis by compendium of publications. The general objective of the thesis is the analysis of the phenomenon of the Urban Sprawl, on a planetary scale, starting from the hypothesis ...

    Study of the flow around a square cylinder with an upstream splitter plate 

    Elmansy, Reda Mohamed Yousyf Abdallah (Fecha de defensa: 2023-01-19)

    (English) This PhD mostly focuses in studding the flow around a square cylinder with an upstream splitter plate and considering different velocity ratios between the upper and lower inlet velocities. The PhD is based in ...

    Simulación y desarrollo de reactores catalíticos de membrana para la tecnología del hidrógeno 

    Cifuentes López, Alejandro (Fecha de defensa: 2023-01-19)

    (English) This thesis focuses on the study of the catalytic production of hydrogen from methanol and water. Catalytic production is carried out in a catalytic membrane reactor which manages to produce and purify hydrogen. ...

    Estudio y análisis de los procedimientos operativos de B.R.M. (Bridge Resource Management), para la preparación del viaje: Passage Plan; y maniobra en puerto para grandes buques, con esloras superiores a 300 m. 

    Cabal Álvarez, Rafel (Fecha de defensa: 2023-01-27)

    (English) he aim of this study is to analyze and propose the procedures to be developed to safely handle and manoeuvre the large container ships arriving at the port of Barcelona. The Thesis consists of five chapters; ...

    Opportunistic communications in large uncoordinated networks 

    Borràs Pino, Jordi (Fecha de defensa: 2023-01-25)

    (English) The increase of wireless devices offering high data rate services limits the coexistence of wireless systems sharing the same resources in a given geographical area because of inter-system interference. Therefore, ...

    Citizen sciences technologies for operational monitoring of aquatic ecosystems 

    Rodero García, Carlos (Fecha de defensa: 2023-05-29)

    (English) Light attenuation is a critical factor in aquatic ecosystems for many physical and biological processes. Water transparency plays an essential role in understanding the variations of the ecological environment ...

    Evaluación crítica de los nuevos sistemas de transporte público en la ciudad de La Paz, desde la perspectiva de la planificación, gestión y gobernanza 

    Vargas Beltrán, Dan Delvi (Fecha de defensa: 2022-11-09)

    (English) The characteristics of the transport system are what explain the difficulties and facilities for mobility and access to services. The transport situation in the urban area of La Paz has been worsening over time, ...