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Finite-Difference Time-Domain Acoustic Analysis of Fibrous Sound-Absorbing Materials

Finite-Difference Time-Domain (FDTD) method was successfully developed to model electromagnetic systems. This technique has been also used in several disciplines, such as optics and acoustics. A new approach for Wave Field Synthesis (WFS) simulation using FDTD instead of finite difference classic method is presented. This software permits to evaluate precision and behaviour of different WFS configurations in time domain and thus in a particular frequency band. Moreover, simulations can be analyzed inside a room or in free space.

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