Computational Acoustic Attenuation Performance of Helicoidal ResonatorsW. Lapka
Poznan University of Technology
This paper concerns the problem of obtaining proper acoustic attenuation performance through computations. COMSOL was used to solve acoustics systems with helicoidal resonators in the frequency domain.
Based on the studies of insertion and transmission loss of helicoidal resonators, a high consistency between the results obtained by numerical calculations with experimental measurements was observed. The convergence is visible in both the attenuated frequency range and the resonance frequency of the resonators.