Recent Submissions

  • Estudio del coeficiente de rigidez y de amortiguación de una suspensión neumática multicámara 

    Río Cano, Carlos (Universitat Politècnica de Catalunya, 2022-04-20)
    Doctoral thesis
    Open Access
    Heavy vehicles are generally equipped with Shock Absorber Suspension Cylinders, which, in addition to integrating in the same element, the damping and suspension mechanism, allow obtaining greater suspension travels, ...
  • Active control of noise transmitted from barriers 

    Sohrabi, Shahin (Universitat Politècnica de Catalunya, 2022-03-11)
    Doctoral thesis
    Open Access
    Active noise cancellation is a unique approach that helps passive noise control in reducing sound levels at low frequencies; nevertheless, successful use of active noise cancellation necessitates performing numerous and ...
  • A new computational approach to topology optimization in solid mechanics problems 

    Yago Llamas, Daniel (Universitat Politècnica de Catalunya, 2022-01-24)
    Doctoral thesis
    Open Access
    This doctoral thesis addresses topology optimization problems at a single scale. Based on this purpose, a new topology optimization approach is developed in order to improve existing and widespread techniques in the research ...
  • Specific energy consumption of metal cutting with thin abrasive discs 

    Awan, Muhammad Rizwan (Universitat Politècnica de Catalunya, 2021-11-02)
    Doctoral thesis
    Open Access
    The aim of this research is to provide an in-depth understanding of energy consumption in abrasive disc cutting processes. The specific energy consumed in cutting is measured,analysed, and then characterised in to three ...
  • Microfluidic platforms: from 3D printing to µPADs for chemical and biological applications 

    Mehrdel, Pouya (Universitat Politècnica de Catalunya, 2021-09-14)
    Doctoral thesis
    Open Access
    Over the past decade, microfluidic technology has proven its capabilities to start bringing detection and quantification capacities to novel miniaturized devices. The current generation of microfluidic platforms provide ...
  • Improved condition monitoring of hydraulic turbines based on artificial intelligence techniques 

    Zhao, Weiqiang (Universitat Politècnica de Catalunya, 2021-07-21)
    Doctoral thesis
    Open Access
    As a type of renewable energy that can provide rapid response to the requirement of the power grid, hydropower plays a fairly important position in the energy market. In recent years, with the enormous entrance of new ...
  • Contribución a la metodología de caracterización dinámica de materiales resilientes para aplicaciones ferroviarias 

    Reina, Salvatore (Universitat Politècnica de Catalunya, 2021-07-09)
    Doctoral thesis
    Open Access
    This thesis is focused on the enhancement and development of advanced methodologies for the dynamic characterisation of resilient elements used in railway applications. On the one hand, this thesis proposes several ...
  • Análisis de la respuesta dinámica en agitadores industriales 

    Bossio, Matias (Universitat Politècnica de Catalunya, 2021-06-01)
    Doctoral thesis
    Open Access
    In food and pharmacological industries, reducing the production time and improving the machine flexibility to be adapted to new products is a constant necessity. This generate changes on the initial working conditions for ...
  • Second life batteries of electric vehicles : analysis of use and management models 

    Rallo Tolós, Héctor (Universitat Politècnica de Catalunya, 2021-02-09)
    Doctoral thesis
    Open Access
    The mobility of the future undoubtedly involves the electrification of vehicles. The increase in social awareness towards a reduction in CO2 emissions, together with the introduction of new laws regulating them, has finally ...
  • Computational aeroacoustics in the automotive industry 

    Martín Navarrete, Rocío (Universitat Politècnica de Catalunya, 2021-02-02)
    Doctoral thesis
    Open Access
    The acoustic field inside a car cabin for low driving speeds is dominated by the engine or the tire noise. However, for mid to high velocities, the noise generated by the interaction of the car with the external air becomes ...
  • Modelo estocástico de hueso cortical de costilla humana para la predicción de fracturas mediante emisión acústica 

    García Vilana, Silvia (Universitat Politècnica de Catalunya, 2021-02-04)
    Doctoral thesis
    Open Access
    In this document, a non-linear constitutive model with micro-cracking and irreversibility is proposed for cortical bone of the human rib, extended with a stochastic fracture model, based on acoustic emission. Both models ...
  • Amortiguación de final de carrera de actuadores hidráulicos 

    Algar Espejo, Antonio (Universitat Politècnica de Catalunya, 2021-02-08)
    Doctoral thesis
    Open Access
    The internal cushioning systems of hydraulic linear actuators, of special interest in mobile machinery, pursue to avoid mechanical shocks at their end of stroke. The design where the piston, with perimeter grooves, regulates ...

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