Industrial spaces are known to be very noisy working environment. This noise exposure can
be uncomfortable, tiring, or even harmful, at worst. Industrial spaces have several …

Recent application of coupled-room systems in performing arts spaces has prompted active
research on sound fields in these complex geometries. This paper applies a diffusion …

In this paper the validity of the Fick's law of diffusion in room acoustics is investigated in the
stationary state. The Fick's law, underlying the room-acoustics diffusion model, assumes a …

Visualizations, based on a diffusion equation model, are presented for both steady-state and
transient sound energy. For steady-state sound-pressure level distributions, animations …

A theoretical approach to room acoustic simulations based on a radiative transfer model is
developed by adapting the classical radiative transfer theory from optics to acoustics. The …

In this paper, the use of finite difference schemes for the acoustic diffusion equation model is
introduced. Their features and limitations are analysed to select the adequate scheme …

During the last 40 years, there has been an increasing interest on performing room acoustic
simulations for several purposes; among them, to get a lower sound level, to reduce sound …

In recent years a model for predicting sound fields in enclosures has been proposed, based
on the mathematical theory of diffusion. This model is held to be valid for predicting the late …

In this paper, a modification to the room-acoustic diffusion model is proposed to take
different amounts of wall scattering into account. An extensive set of numerical simulations …

The acoustic diffusion equation model has been widely applied in various scenarios, but a
larger prediction error exists when applied to underground spaces, showing a significantly …