Important simulation parameters for open plan office acoustics

Regular paper

Jan Jagla

CSTB - Université Paris-Est

Monday 1 june, 2015, 17:40 - 18:00

0.9 Athens (118)

Open plan office users often complain of annoyances due to noise. Acoustic simulations would permit to easily assess the acoustic quality of the work environment. Currently, the acoustics of open plan offices is difficult to model with computer simulation software in order to obtain quick results. This paper presents the results of a parametric study on some example cases of open plan offices. Different simulations and model parameters have been investigated by using the ray-tracing simulation software ICARE developed by CSTB. Double-edge diffraction as well as the influence of cluttering have been studied. The sensibility of the results to the accuracy of the applied absorption coefficients on the different surfaces will be presented. The influence of the parameters on different acoustic criteria such as STI and D2,S has been studied. Sound mapping of the open plan offices permit to visualize the sound field distribution in space and to better understand the sound propagation in a work environment. This work is part of the MEPAS project, a common 2-year project between INRS and CSTB funded by ANSES, which aims to develop a rapid calculation method for the prediction of open plan office acoustics.

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