Room acoustics simulation using 3-D compact explicit FDTD schemes

K Kowalczyk, M Van Walstijn - IEEE Transactions on Audio …, 2010 - ieeexplore.ieee.org
This paper presents methods for simulating room acoustics using the finite-difference time-
domain (FDTD) technique, focusing on boundary and medium modeling. A family of …

[PDF][PDF] Finite difference and finite volume methods for wave-based modelling of room acoustics

B Hamilton - 2016 - core.ac.uk
Wave-based models of sound propagation can be used to predict and synthesize sounds as
they would be heard naturally in room acoustic environments. The numerical simulation of …

Recent techniques on sound field simulation

T Tsuchiya - Japanese Journal of Applied Physics, 2022 - iopscience.iop.org
This is a tutorial paper on the basics and applications of the finite-difference time-domain
(FDTD) method. Two types of discretization of the linear governing equations, the scalar …

Two-dimensional finite difference-time domain simulation of moving sound source and receiver

T Tsuchiya, Y Teshima, S Hiryu - Acoustical Science and Technology, 2022 - jstage.jst.go.jp
In this paper, a moving sound source and a receiver on an arbitrary trajectory are
implemented in the two-dimensional finite difference-time domain (FDTD) method. Two …

Moving sound source with an arbitrary trajectory in the two-dimensional finite-difference time-domain method

T Tsuchiya, M Kanamori - Japanese Journal of Applied Physics, 2021 - iopscience.iop.org
In this paper, a moving sound source with an arbitrary trajectory is implemented using the
finite-difference time-domain (FDTD) method. Two methods are proposed for implementing …

Three-dimensional sound field analysis using compact explicit-finite difference time domain method with graphics processing unit cluster system

T Ishii, T Tsuchiya, K Okubo - Japanese Journal of Applied …, 2013 - iopscience.iop.org
In this study, the compact explicit-finite difference time domain (CE-FDTD) method is applied
to the three-dimensional sound field analysis to reduce computer resources. There are …

Reflective boundary condition with arbitrary boundary shape for compact-explicit finite-difference time-domain method

O Yamashita, T Tsuchiya, Y Iwaya… - Japanese Journal of …, 2015 - iopscience.iop.org
In this paper, we propose the reflective boundary condition with an arbitrary boundary shape
for the compact-explicit finite-difference time-domain (CE-FDTD) method. The boundary …

[HTML][HTML] Source directivity approximation for finite-difference time-domain simulation by estimating initial value

D Takeuchi, K Yatabe, Y Oikawa - The Journal of the Acoustical Society …, 2019 - pubs.aip.org
In order to incorporate a directive sound source into acoustic simulation using the finite-
difference time-domain method (FDTD), this paper proposes an optimization-based method …

Bayesian approximation error approach in full-wave ultrasound tomography

J Koponen, T Huttunen, T Tarvainen… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
In ultrasound tomography, the spatial distribution of the speed of sound in a region of
interest is reconstructed based on transient measurements made around the object. The …

Three-dimensional finite difference-time domain simulation of moving sound source and receiver

T Tsuchiya, Y Teshima, S Hiryu - Japanese Journal of Applied …, 2022 - iopscience.iop.org
In this paper, moving sound source and receiver with an arbitrary trajectory are implemented
in the three-dimensional compact explicit finite-difference time-domain method. To …