Acoustic analysis of sound transmission in a mixed-use development using Statistical Energy Analysis

Conference paper


Gomez-Agustina, L, Rioperez Rodriguez, J L and Adnitt, R (2019). Acoustic analysis of sound transmission in a mixed-use development using Statistical Energy Analysis. Internoise 2019. Madrid, Spain 16 - 19 Jun 2019
AuthorsGomez-Agustina, L, Rioperez Rodriguez, J L and Adnitt, R
TypeConference paper
Abstract

Statistical Energy Analysis (SEA) is an energy-based method used to estimate the vibro-acoustic response of complex structures by analysing the energy exchange between subsystems. It is widely applied in a variety of industries due to its relative simplicity, reliability and low computational cost.
This paper presents research into the suitability of SEA as a design aid in the construction process of developments containing noise-sensitive spaces. The focus is on the challenging case of sound transmission between non-adjacent spaces. SEA-based models are developed for this study with the aid of a commercial software package. The models provide predictions of the structure-borne flanking sound transmission between cinema auditoria and residential apartments within a mixed-use development. Input data obtained from drawings and final construction details are used to inform the models which are then validated using measured data from a series of airborne sound insulation measurements. An iterative approach is adopted to fine-tune the prediction performance of the models developed. The performance is also evaluated for varying number of building elements and connections.
For this case study, it was found that SEA-based technique can serve as a valuable design aid in the early stages of acoustic design process, particularly in the challenging cases of non-adjacent spaces. However, inherent limitations and uncertainties should be considered.

Year2019
Web address (URL)http://www.sea-acustica.es/fileadmin/INTERNOISE_2019/Fchrs/Proceedings/1757.pdf
Accepted author manuscript
License
CC BY 4.0
File Access Level
Open
Publication dates
Print16 Jun 2019
Publication process dates
Deposited10 Apr 2019
Accepted21 Mar 2019
Permalink -

https://openresearch.lsbu.ac.uk/item/86630

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