Now showing items 1-8 of 8

    • A subsystem identification method based on the path concept with coupling strength estimation 

      Magrans Fontrodona, Francesc Xavier; Poblet-Puig, Jordi; Rodríguez Ferran, Antonio (2018-02)
      Article
      Open Access
      For complex geometries, the definition of the subsystems is not a straightforward task. We present here a subsystem identification method based on the direct transfer matrix, which represents the first-order paths. The key ...
    • Caracterización numérica y experimental de un sistema vibroacústico mediante "Advanced Transferer Path Analysis" 

      Cierco, Ester; Vicens Rodríguez, Pere; Aragonès Martín, Àngels; Arcas, Kevin; Poblet-Puig, Jordi; Magrans Fontrodona, Francesc Xavier; Rodríguez Ferran, Antonio (Sociedad Española de Acústica, 2018)
      Conference report
      Restricted access - publisher's policy
      ATPA (Advanced Transfer Path Analysis) is a method that allows knowing the noise paths and contributions of a vibroacoustic problem. It is clear that a good quantification of the less dominant contributions is essential ...
    • Eigenvalue and eigenmode synthesis in elastically coupled subsystems 

      Magrans Fontrodona, Francesc Xavier; Poblet-Puig, Jordi (2018-10-13)
      Article
      Open Access
      A method to synthesize the modal characteristics of a system from the modal characteristics of its subsystems is proposed. The interest is focused on those systems with elastic links between the parts which is the main ...
    • Experimental and numerical study of Advanced Transfer Path Analysis applied to a box prototype 

      Aragonès Martín, Àngels; Poblet-Puig, Jordi; Arcas, Kevin; Vicens Rodríguez, Pere; Magrans Fontrodona, Francesc Xavier; Rodríguez Ferran, Antonio (2019-01-01)
      Article
      Restricted access - publisher's policy
      Advanced Transfer Path Analysis (ATPA) is a technique that allows the characterisation of vibroacoustic systems not only from the point of view of contributions but also topologically by means of the path concept. Some of ...
    • Experimental numerical correlation of subsystem contributions in the advanced transfer path analysis framework 

      Magrans Fontrodona, Francesc Xavier; Arcas, Kevin; Vicens Rodríguez, Pere; Poblet-Puig, Jordi; Rodríguez Ferran, Antonio (2017)
      Conference report
      Restricted access - publisher's policy
      In a complex vibroacoustic system the overall noise or vibration in a given location is the sum of multiple subsystem contributions. From an experimental perspective, the total noise can be directly measured but not the ...
    • Sub-structuring of mechanical systems based on the path concept 

      Magrans Fontrodona, Francesc Xavier; Poblet-Puig, Jordi; Rodríguez Ferran, Antonio (Deutsche Gesellschaft für Akustik e.V. (DEGA), 2016)
      Conference report
      Restricted access - publisher's policy
      Real mechanical systems are usually complex. Their modelling with discretisation techniques involve a large number of degrees of freedom/unknowns. This leads to high computational costs especially at high frequencies. An ...
    • The solution of linear mechanical systems in terms of path superposition 

      Magrans Fontrodona, Francesc Xavier; Poblet-Puig, Jordi; Rodríguez Ferran, Antonio (2017-02)
      Article
      Open Access
      We prove that the solution of any linear mechanical system can be expressed as a linear combination of signal transmission paths. This is done in the framework of the Global Transfer Direct Transfer (GTDT) formulation for ...
    • Vibroacoustic coupling and transmission paths 

      Magrans Fontrodona, Francesc Xavier (Universitat Politècnica de Catalunya, 2018-12-21)
      Doctoral thesis
      Open Access
      This dissertation deals with four topics. The first three are in the same environment, the transmission paths. The fourth refers to the synthesis of subsystems and more specifically to two subsystems linked by any number ...