A parallel dissipation-free and dispersion-optimized explicit time-domain fem for large-scale room acoustics simulation

T Yoshida, T Okuzono, K Sakagami - Buildings, 2022 - mdpi.com
Wave-based acoustics simulation methods such as finite element method (FEM) are reliable
computer simulation tools for predicting acoustics in architectural spaces. Nevertheless, their …

Computer modeling of barrel-vaulted sanctuary exhibiting flutter echo with comparison to measurements

H Lai, B Hamilton - Acoustics, 2020 - mdpi.com
Computer modeling in acoustics allows for the prediction of acoustical defects and the
evaluation of potential remediations. In this article, computer modeling is applied to the case …

Time domain room acoustic solver with fourth-order explicit FEM using modified time integration

T Yoshida, T Okuzono, K Sakagami - Applied Sciences, 2020 - mdpi.com
This paper presents a proposal of a time domain room acoustic solver using novel fourth-
order accurate explicit time domain finite element method (TD-FEM), with demonstration of …

The effects of adding pyramidal and convex diffusers on room acoustic parameters in a small non-diffuse room

H Azad, J Meyer, G Siebein, T Lokki - Acoustics, 2019 - mdpi.com
This paper presents an investigation of the effects of relatively large-scale pyramidal and
convex-shaped diffusers on the acoustical properties of a small non-diffuse rectangular …

Using Non-wave based modelling to explore how much acoustic diffusion is too much in a concert hall.

M Fort - INTER-NOISE and NOISE-CON Congress and …, 2023 - ingentaconnect.com
This paper explores the relationship between acoustic surface diffusion and acoustical
character in concert halls by using non-waved based modelling. Measurements were …