Browsing Departament d'Enginyeria Mecànica i de la Construcció Industrial by titles

Advances in fibre Bragg grating sensors for damage detection in composite laminates: application in quasi-static and fatigue delamination tests

Sans Canovas, Daniel (Date of defense: 26-06-2013)

The use of composite materials in industrial applications such as aeronautical, aerospace or wind energy production has greatly increased in recent decades. Due to their inherent properties, these materials allow lighter, ...

Advances in the modelling of thermoelectric energy harvesters in waste heat recovery applications

Massaguer Colomer, Eduard (Date of defense: 26-07-2016)

In this work, we investigate harvesting thermoelectric energy from wasted heat in fluid networks and propose a generic tool for the simulation and sizing of thermoelectric energy harvesters, that can be used in ...

Analysis and development of experimental characterization methodologies of mode II fracture toughness on CFRP bonded joints

Pérez Galmés, Magdalena (Date of defense: 27-07-2018)

Adhesives have been shown to be an excellent solution for joining fibre reinforced polymer (FRP) components thanks to their capacity to redistribute loads, reduces stress concentrations and contribute to overall weight ...

Analysis and optimization of composite stringers

Badalló i Cañellas, Pere (Date of defense: 17-07-2015)

The use of the stiffened panels in the aircraft/aeronautical industry has been growing in the last decades. On the other hand, the exponential growth in the use of composite materials in the last years has had a ...

Analysis and Simulation of Transverse Random Fracture of Long Fibre Reinforced Composites

Trias Mansilla, Daniel

La present tesi proposa una metodología per a la simulació probabilística de la fallada de la matriu en materials compòsits reforçats amb fibres de carboni, basant-se en l'anàlisi de la distribució aleatòria de les fibres. ...

Analysis of process-induced defects on steered-fiber panels for aeronautical applications

Falcó Salcines, Olben (Date of defense: 10-04-2014)

Currently, the use of Automated Fiber Placement technology allows, large composite aircraft components to be manufactured with high quality materials and introduce new laminate concepts. Among such concepts are the tow-steered ...

Analysis of time-dependent flexural behaviour of concrete members reinforced with fibre reinforced polymer bar

Miàs Oller, Cristina (Date of defense: 03-12-2012)

In this work, long-term behaviour of FRP RC beams has been investigated both analytically and experimentally to further extend the knowledge in this particular research domain. In this respect, a new methodology to determine ...

Assessment of virtual design and manufacturing techniques for fibre reinforced composite materials

Gascons i Tarrés, Marc (Date of defense: 02-12-2011)

Virtual tools are commonly used nowadays to optimize product design and manufacturing process of fibre reinforced composite materials. The present work focuses on two areas of interest to forecast the part performance and ...

A study of the bond and flexural behaviour of reinforced concrete elements strengthened with near surface mounted (NSM) FRP reinforcement

Attia Abdelgayed Abdelgawad Sharaky, Ibrahim (Date of defense: 12-12-2013)

The main objective of the thesis is to study the bond behaviour of NSM FRP reinforcement in concrete elements. With this aim an extensive program of experimental tests complemented with numerical analysis has been performed ...

Bond behavior of NSM FRP strips in concrete under sustained loading

Emara, Mohamed Reda Ali Elewa (Date of defense: 17-04-2018)

The main objective of work has been to study the bond strength and bond-slip response of NSM CFRP strips in concrete when subjected to sustained loading under different environmental conditions. To this end, two experimental ...

Bond-slip and cracking behaviour of glass fibre reinforced polymer reinforced concrete tensile members

Vilanova Marco, Irene (Date of defense: 20-10-2015)

In this work, a methodology has been developed to implement the bond behaviour between concrete and GFRP bars in the numerical modelling. Based on experimental results and applying the inverse method, the bond law to be ...

Caracterização mecânica e biológica de scaffolds produzidos por BioCell Printing

Domingos, Marco (Date of defense: 04-10-2013)

This research work proposes a novel automated and integrated system for the production and in vitro culture of scaffolds, called BioCell Printing. The main goal of the present research work, besides the development of the ...

Characterization and optimization of dispersed composite laminates for damage resistant aeronautical structures

Sebaey Abdella, Tamer Ali Abdella (Date of defense: 11-01-2013)

The main objective of the thesis is to assess the damage resistance and damage tolerance of the non-conventional dispersed laminates and compare the response with the conventional ones. However, part of the effort is spent ...

Characterization of the translaminar cohesive law

Ortega Novillo, Adrián (Date of defense: 20-04-2017)

When a fibre-reinforced composite laminate is subjected to traction or compression, it develops a relatively large Fracture Process Zone where material toughening mechanisms such as matrix cracking, ...

Contribució al posicionament dinàmic de robots mòbils per mitjà d'un sistema làser

Font Llagunes, Josep Maria

Aquesta tesi tracta el problema del posicionament de robots mòbils quan, en el decurs del moviment, es realitzen mesures angulars relatives al robot de l'orientació de la recta entre un dels seus punts i punts de l'entorn ...

Contribución a la fundición selectiva por láser de pieza metálica mediante el estudio de propiedades mecánicas y de manufactura

Delgado Sanglas, Jordi (Date of defense: 25-06-2013)

Selective laser melting process is an additive manufacturing technique that allows obtaining, from a 3D model, a physical model through a layer-by-layer manufacturing strategy. Several machines are commercially available, ...

Contribución a la selección de cadenas de procesos de fabricación

Blanch Font, Robert (Date of defense: 01-03-2012)

During the design phase, it creates and transforms ideas into products. It needs to know the manufacturing aspects for ensuring success and calculating the product cost while developing of designs. However, the choice one ...

Contribución a la sostenibilidad en la edificación mediante el desarrollo de una metodología simplificada para el cálculo de la eficiencia energética y de sostenibilidad de una vivienda

Castellano i Costa, Jordi (Date of defense: 01-02-2016)

El desarrollo de la sostenibilidad en la edificación ha realizado un gran avance en los últimos diez años, mejoras en la eficiencia energética de los edificios con la incorporación del certificado de eficiencia energética ...

Contribución al desarrollo del proceso de selección de centros de mecanizado de alta velocidad, basado en parámetros tecnológicos y de productividad

Albertí Ibarz, Marta

La selección de centros de mecanizado de alta velocidad es un proceso complejo que requiere de mucha experiencia, puesto que en él intervienen un gran número de variables, tanto tecnológicas como económicas. Existen ...

Contribución al estudio del proceso de doblado al aire de chapa. Modelo de predicción del ángulo de recuperación y del radio de doblado final

Garcia-Romeu, Maria Luisa

Modelo de predicción de la geometría final de una pieza de chapa, radio y ángulo de doblado final, producida mediante un proceso de doblado al aire.

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