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Submission467_mmendizabal_ISMA2020.pdf (1.539Mb)
Submission467_mmendizabal_ISMA2020_poster.pdf (1.377Mb)
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Title
Comfort improvement of an elevator car by viscoelastic sandwich panels
Author
Mendizabal, M.
Iriondo, Jaione
Hernández García, Xabier
McCloskey, Alex
Irazu, Leire
Research Group
Acústica y vibraciones
Other institutions
Orona EIC
Version
Postprint
Rights
© KU Leuven
Access
Embargoed access
URI
https://hdl.handle.net/20.500.11984/6975
xmlui.dri2xhtml.METS-1.0.item-identifier
http://past.isma-isaac.be/isma2020/proceedings/program/#467
Published at
International Conference on Noise and Vibration Engineering (ISMA)  29. Lovaina 7-9 septiembre 2020
Publisher
ISMA - International Conference on Noise and Vibration Engineering
Abstract
Viscoelastic sandwich structures have become one of the most important techniques to reduce structural vibrations. These structures have a great damping capacity due to their viscoelastic core, and th ... [+]
Viscoelastic sandwich structures have become one of the most important techniques to reduce structural vibrations. These structures have a great damping capacity due to their viscoelastic core, and their metallic skins provide them a high stiffness. In the present work, the improvement of using viscoelastic sandwich structures on the dynamic response of the cabin of an elevator was analysed. First of all, using the Abaqus software, a numerical model of the sandwich structures was created, taking the results of an experimental test as a reference. Afterwards, the numerical model of a cabin made of sandwich structures was created, and its dynamic response was obtained. In order to analyse the improvement of using sandwich structures, its response was compared to the response of an entirely metallic cabin. On the one hand, from a dynamic point of view, the transmission of vibrations through the different panels of the cabin was analysed. On the other hand, from an acoustic point of view, the noise that the cabin passengers would hear because of different sound sources was analysed. Considering the results of both analysis, the improvement of using viscoelastic sandwich structures was observed, showing that they could be a possible alternative to conventional metallic panels. [-]
Funder
Gobierno Vasco
Program
Elkartek 2018
Number
KK-2018-00026
Award URI
Sin información
Project
Nuevos materiales y tecnologías para el confort del usuario (CONMATEC)
Collections
  • Conferences - Engineering [423]

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