Now showing items 401-420 of 6083

    Contributions to dynamic pile-soil interaction modelling 

    Conto Quispe, Kenny Fernando (Date of defense: 2024-03-18)

    (English) The development of more accurate, computationally efficient and practical methodologies for a better understanding of dynamic soil-structure interaction and prediction of ground-borne vibration levels in the ...

    Stability analysis of modern power systems 

    Collados Rodríguez, Carlos (Date of defense: 2024-03-04)

    (English) The massive installation of converter-based resources, such as wind and solar photovoltaic power plants and High Voltage Direct Current (HVDC) systems, is resulting in a profound transformation of power systems ...

    Floer homology for 𝑏-symplectic manifolds 

    Brugués Mora, Joaquin (Date of defense: 2024-03-20)

    (English) In this thesis we investigate various aspects of the dynamics of Hamiltonian vector fields in singular symplectic manifolds. We concentrate on two questions: first, we investigate a generalization of the Arnold ...

    Bridging the gap between object stores and HPC 

    Barceló Cuerda, Alex (Date of defense: 2024-03-18)

    (English) Efficient data management is a fundamental aspect of application workflows, particularly in the context of High-Performance Computing environments. This thesis examines the potential of object stores as a robust ...

    Aporte a la construcción de comunidades sostenibles. Un modelo para analizar su sostenibilidad 

    Cañón Rodríguez, Dora (Date of defense: 2024-10-02)

    (English) This thesis developed an understanding of what makes a community sustainable, its particular characteristics, the values it shares, its way of life and its interaction with natural systems. It categorized the ...

    Leveraging the potential of task-based programming with OpenMP task graphs 

    Yu, Chenle (Date of defense: 2024-10-25)

    (English) The task execution model is widely used in computer engineering, it helps developers to design, develop and understand software systems. OpenMP is the de-facto programming model to parallelize sequential algorithms ...

    New synthesis methodologies to develop emerging chalcogenides and chalcohalides for photovoltaic applications 

    Caño Prades, Ivan (Date of defense: 2024-10-09)

    (English) Chalcogenide materials have been central to some of the most significant events in the history of photovoltaic energy, including the fabrication of the first solar cell in 1883 by Charles Fritts, which was based ...

    Automatismes, usuaris i arquitectura: aplicació a la gestió energètica dels edificis 

    Roca Musach, Marc (Date of defense: 2024-10-14)

    (English) Digitalization and automation are being applied across various sectors of society, including buildings through Building Automation and Control Systems (BACS). These systems enable, for instance, the management ...

    Optimization techniques in science planning for planetary exploration missions 

    Betriu Roure, Paula (Date of defense: 2024-10-23)

    (English) Solar System robotic missions explore objects in space to elicit key information that contributes to our understanding of the origins and evolution of the Solar System as well as of life. Noticeably, such an ...

    THM numerical modeling of multiphase flow in fractured rock masses using zero-thickness interface elements 

    Barandiarán Villegas, Lucía Belén (Date of defense: 2024-10-11)

    (English) To address the impacts of climate change, several measures have been suggested among which utilizing renewable energy sources such as geothermal energy and implementing technologies such as hydrogen storage or ...

    Optimization techniques for distributed task-based programming models 

    Ali, Omar Shaaban Ibrahim (Date of defense: 2024-10-01)

    (English) In HPC, task-based models have gained prominence via the adoption of tasks in OpenMP, as an asynchronous and platform-agnostic high-performance and productive model by annotating existing code, transforming it ...

    Development of a multimodal imaging system based on LIDAR 

    García Gómez, Pablo (Date of defense: 2021-12-02)

    (English) Perception of the environment is an essential requirement for the fields of autonomous vehicles and robotics, that claim for high amounts of data to make reliable decisions. With this aim, many different sensors ...

    A comprehensive proposal for the sustainable regeneration of historical city centres in Iran 

    Mirzakhani, Arman (Date of defense: 2021-12-20)

    (English) This thesis focuses on the "sustainable regeneration of the historic centres of Iran's cities" under a comprehensive and participatory approach and consists of a collection of four self-contained articles and an ...

    Recovery of phenolic compounds from olive mill and winery wastes: evaluation of extraction and membrane processing technologies 

    Tapia Quirós, Paulina (Date of defense: 2021-11-10)

    (English) Olive oil and wine production are two major agri-food economic activities in Spain; and generate large amounts of solid and liquid wastes that represent an important environmental problem. In this context, the ...

    Aspectos ambientales en la Casa Aversú de Alejandro de la Sota: el proceso del proyecto 

    González Torrado, Cristian (Date of defense: 2024-10-04)

    (English) This research stems from two personal interests: climate awareness and Alejandro de la Sota. Based on this premise, the aim of the research is to find the connection between environmental aspects and architecture, ...

    3D-printed biomimetic bone 

    Konka, Joanna Magdalena (Date of defense: 2021-10-01)

    (English) Over 2 million bone grafting procedures are performed each year. In the last years, synthetic calcium phosphates have drawn the attention of the researchers for their close similarity to the mineral phase of bone ...

    Social sciences and humanities in civil engineering: a mixed methods analysis in the context of education 

    Josa i Culleré, Irene (Date of defense: 2021-10-29)

    (English) The challenges that the world is currently facing call for solutions that are interdisciplinary in nature. This implies that engineering professionals need to work together with professionals from different ...

    Multifunctional eco-friendly aerogel composites for thermal insulation and fire resistant applications 

    Cruz Jesús, Lucía Guadalupe de la (Date of defense: 2024-11-22)

    (English) Replacing petroleum-based polymers with natural alternatives requires overcoming the limitations of their thermal and mechanical properties, as well as the inherently low fire resistance of the biomass from which ...

    Fault diagnosis and fault-tolerant control of nonlinear dynamic systems using artificial intelligence techniques 

    Sanjuan Gómez, Adrián (Date of defense: 2021-11-04)

    (English) This thesis attempts to reduce the gap between the approaches developed by researchers to build a fault tolerant system and their implementation in a real system. The most widespread methodologies are model-based ...

    Elementos junta/interfase mortar con nudos no coincidentes. Aplicación al análisis de discontinuidades y contactos en geomecánica 

    Francisco Sans, Miguel de (Date of defense: 2021-11-19)

    (English) The general objectives of this thesis are, on the one hand, to extend the formulation of the traditional zero-thickness interface elements in small deformations to the case of non-coincident meshes and, on the ...