Mostrando ítems 91-100 de 5488
Vila Pérez, Jordi (Fecha de defensa: 2021-02-10)
The aerospace community is challenged as of today for being able to manage accurate overnight computational fluid dynamics (CFD) simulations of compressible flow problems. Well-established CFD solvers ...
Arnaldos Viger, Josep (Fecha de defensa: 1986-06-03)
La tesi s’inicia fent una presentació del comportament dels llits estabilitzats magnèticament i de les seves aplicacions, així com de les limitacions que tenen degut a les pèrdues de les propietats ...
Adabi Firouzjaee, Mohammad Ebrahim (Fecha de defensa: 2018-01-25)
The solid state transformer (SST) is seen as a proper replacement of the conventional iron-and-copper transformer in the future smart grid . The SST offers several benefits (e.g. enhanced power quality ...
López Almansa, Francesc (Fecha de defensa: 1988-02-02)
Este trabajo propone un sistema para reducir las oscilaciones horizontales de edificios (generadas por movimientos sísmicos o por la acción del viento) mediante la acción activa de barras diagonales de ...
Pujades Garnes, Estanislao (Fecha de defensa: 2013-11-27)
Underground constructions below the water table may be problematic if the role of groundwater is not properly acknowledged. Difficulties worsen in urban environments. Two aspects should be taken into ...
Fontdecaba Rigat, Sara (Fecha de defensa: 2015-12-23)
This thesis is about statistics' contributions to industry. It is an article compendium comprising four articles divided in two blocks: (i) two contributions for a water supply company, and (ii) ...
Vico López, Maria Dolores (Fecha de defensa: 2012-07-27)
A literature review reveals that the virtual reconstructions 01 cultural heritage made using computer graphics techniques , often lack scientific rigor and lose sight 01 existing knowledge. AlI too ...
Delgado Rodríguez, Jordi (Fecha de defensa: 2017-09-15)
In this work we use geometric techniques in order to study certain natural extensions of free groups, and solve several algorithmic problems on them. To this end, we consider the family of free-abelian ...
Caicedo Silva, Manuel Alejandro (Fecha de defensa: 2017-02-24)
This thesis focuses on the numerical modeling of fracture and its propagation in heterogeneous materials by means of hierarchical multiscale models based on the FE2 method, addressing at the same time, ...
Moustafa Azab, Mohamed Ahmed (Fecha de defensa: 2002-09-06)
El objetivo principal de la tesis es la aplicación del método de control directo del par para un motor de inducción utilizando inversores de diferentes estructuras que parecen ofrecer algunas ventajas, ...