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
Accepted author manuscript
License
CC BY 4.0
Publication dates
Print16 Jun 2019
Publication process dates
Deposited10 Apr 2019
Accepted21 Mar 2019
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https://openresearch.lsbu.ac.uk/item/86630

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