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Low frequency vibroacoustic investigation of wooden T-junctions

Negreira, J. LU ; Sjöström, A. LU and Bard, D. LU (2016) In Applied Acoustics 105. p.1-12
Abstract

In this paper, an experimental investigation on the influence of glue on the low frequency vibroacoustic performance (up to 200 Hz) of wooden T-junctions is presented along with a discussion of modelling issues related to the junctions. The mock-ups studied represent cut-outs of full size timber floor assemblies typically used in Sweden. Their dynamic performance was first studied experimentally by means of modal analysis. Moreover, finite element (FE) simulations of the T-junctions were carried out to establish reliable prediction tools, using the measurement data as calibration input. Modelling issues were addressed to investigate the influence of different features that must be taken into account when simulating the connections as... (More)

In this paper, an experimental investigation on the influence of glue on the low frequency vibroacoustic performance (up to 200 Hz) of wooden T-junctions is presented along with a discussion of modelling issues related to the junctions. The mock-ups studied represent cut-outs of full size timber floor assemblies typically used in Sweden. Their dynamic performance was first studied experimentally by means of modal analysis. Moreover, finite element (FE) simulations of the T-junctions were carried out to establish reliable prediction tools, using the measurement data as calibration input. Modelling issues were addressed to investigate the influence of different features that must be taken into account when simulating the connections as part of larger structures. Guidelines for modelling these type of connections, when developing low frequency FE predictive tools, are presented here.

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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Finite element method, Low frequency vibration, Measurements, Prediction tools, T-junctions, Wooden structures
in
Applied Acoustics
volume
105
pages
12 pages
publisher
Elsevier
external identifiers
  • scopus:84949548304
  • wos:000370105800001
ISSN
0003-682X
DOI
10.1016/j.apacoust.2015.11.016
language
English
LU publication?
yes
id
417c49e2-7e3d-42fb-9a90-bc95abc21ffc
date added to LUP
2016-06-23 08:08:21
date last changed
2017-02-12 04:33:51
@article{417c49e2-7e3d-42fb-9a90-bc95abc21ffc,
  abstract     = {<p>In this paper, an experimental investigation on the influence of glue on the low frequency vibroacoustic performance (up to 200 Hz) of wooden T-junctions is presented along with a discussion of modelling issues related to the junctions. The mock-ups studied represent cut-outs of full size timber floor assemblies typically used in Sweden. Their dynamic performance was first studied experimentally by means of modal analysis. Moreover, finite element (FE) simulations of the T-junctions were carried out to establish reliable prediction tools, using the measurement data as calibration input. Modelling issues were addressed to investigate the influence of different features that must be taken into account when simulating the connections as part of larger structures. Guidelines for modelling these type of connections, when developing low frequency FE predictive tools, are presented here.</p>},
  author       = {Negreira, J. and Sjöström, A. and Bard, D.},
  issn         = {0003-682X},
  keyword      = {Finite element method,Low frequency vibration,Measurements,Prediction tools,T-junctions,Wooden structures},
  language     = {eng},
  month        = {04},
  pages        = {1--12},
  publisher    = {Elsevier},
  series       = {Applied Acoustics},
  title        = {Low frequency vibroacoustic investigation of wooden T-junctions},
  url          = {http://dx.doi.org/10.1016/j.apacoust.2015.11.016},
  volume       = {105},
  year         = {2016},
}