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VirBAcous SIGNED

Virtual building acoustics: a robust and efficient analysis and optimization framework for noise transmission reduction

Total Cost €

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EC-Contrib. €

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Partnership

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Project "VirBAcous" data sheet

The following table provides information about the project.

Coordinator
KATHOLIEKE UNIVERSITEIT LEUVEN 

Organization address
address: OUDE MARKT 13
city: LEUVEN
postcode: 3000
website: www.kuleuven.be

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Belgium [BE]
 Total cost 1˙386˙875 €
 EC max contribution 1˙386˙875 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2016-STG
 Funding Scheme ERC-STG
 Starting year 2017
 Duration (year-month-day) from 2017-08-01   to  2022-07-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    KATHOLIEKE UNIVERSITEIT LEUVEN BE (LEUVEN) coordinator 1˙386˙875.00

Map

 Project objective

Achieving a sufficient sound insulation of buildings is a complex problem since multiple transmission paths are important, uncertainties can have a large effect, and acoustic performance requirements often conflict with structural and thermal requirements. Furthermore, accurate vibro-acoustic modelling across the entire building acoustics frequency range presently requires a huge computational effort. As a result, the acoustic development of building systems is usually based on general design rules, insufficiently accurate prediction models and many experimental prototype tests. Such development is costly and time consuming, and leads to suboptimal designs. This project therefore aims to develop an efficient yet sufficiently accurate prediction framework for the acoustic design of building systems which takes all uncertainties into account and which opens the way for design optimization. Four fundamental breakthroughs are required. First, a new approach to high-frequency subsystem modelling will overcome the limitations of the current statistical energy analysis paradigm and handle a high degree of geometric and material complexity. Second, a modelling framework for built-up systems will be developed, which incorporates different component model types and which switches between them as the frequency increases. The third development consists of quantifying the combined effect of all uncertain parameters on the overall sound insulation performance in a logically consistent and computationally efficient way. Finally, a robust optimization approach that spans the entire building acoustics frequency range and that accounts for all relevant non-acoustic performance criteria as well will be developed. Each development will be complemented by showcase applications in building acoustics, yet the fundamental nature of the developments make that they will have a profound impact in all disciplines where the study and/or control of mechanical wave propagation are important.

 Publications

year authors and title journal last update
List of publications.
2019 Pengchao Wang, Cédric Van hoorickx, Geert Lombaert, Edwin Reynders
Numerical and experimental studies on impact sound radiated by rib-stiffened plates
published pages: 6531-6542, ISSN: , DOI:
Proceedings of the 49th International Congress and Exposition on Noise Control Engineering, Inter-Noise 2019 2020-03-05
2019 Cédric Van hoorickx, Edwin Reynders
Virtual round robin tests for uncertainty quantification of single-number ratings for the sound reduction index
published pages: 6511-6522, ISSN: , DOI:
Proceedings of the 49th International Congress and Exposition on Noise Control Engineering, Inter-Noise 2019 2020-03-05
2019 Edwin Reynders
Practical formulas for quantifying the uncertainty of impact sound insulation measurements caused by the diffuse field assumption
published pages: 7405--7415, ISSN: , DOI:
Proceedings of the 49th International Congress and Exposition on Noise Control Engineering, Inter-Noise 2019 2020-03-05
2019 Pengchao Wang
Prediction with uncertainty quantification of the impact sound radiation from complex floors
published pages: , ISSN: , DOI:
2020-03-05
2020 Pengchao Wang, Cédric Van hoorickx, Geert Lombaert, Edwin Reynders
Numerical prediction and experimental validation of impact sound radiation by timber joist floors
published pages: 107182, ISSN: 0003-682X, DOI: 10.1016/j.apacoust.2019.107182
Applied Acoustics 162 2020-02-13
2019 Edwin P.B. Reynders, Pengchao Wang, Cédric Van hoorickx, Geert Lombaert
Prediction and uncertainty quantification of structure-borne sound radiation into a diffuse field
published pages: 114984, ISSN: 0022-460X, DOI: 10.1016/j.jsv.2019.114984
Journal of Sound and Vibration 463 2020-02-13
2018 Edwin P.B. Reynders, Robin S. Langley
Cross-frequency and band-averaged response variance prediction in the hybrid deterministic-statistical energy analysis method
published pages: 119-146, ISSN: 0022-460X, DOI: 10.1016/j.jsv.2018.04.014
Journal of Sound and Vibration 428 2019-04-18
2018 Cédric Van hoorickx, Edwin P.B. Reynders
Parametric uncertainty quantification of sound transmission measurement procedures with a maximum entropy approach
published pages: , ISSN: , DOI:
2019-04-18
2018 Edwin P.B. Reynders, Robin S. Langley
Band-averaged variance prediction in hybrid deterministicstatistical-energy analysis of vibro-acoustic systems
published pages: , ISSN: , DOI:
2019-04-18
2018 Edwin P.B. Reynders, Robin S. Langley
Band-averaged variance prediction in hybrid finite element-statistical energy analysis
published pages: , ISSN: , DOI:
2019-04-18
2018 Cédric Van hoorickx, Edwin Reynders
Uncertainty quantification of sound transmission measurement procedures based on the Gaussian Orthogonal Ensemble
published pages: , ISSN: , DOI:
2019-04-18

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