A Detailed FEM Study on the Vibro-acoustic Behaviour of Crash and Splash Musical Cymbals

Author:

Kaselouris Evaggelos1,Alexandraki Chrisoyla2,Bakarezos Makis1,Tatarakis Michael1,Papadogiannis Nektarios A.1,Dimitriou Vasilis1

Affiliation:

1. nstitute of Plasma Physics & Lasers – IPPL, Hellenic Mediterranean University Research Centre, Rethymno, Greece

2. Department of Music Technology and Acoustics, Hellenic Mediterranean University, Rethymno, Greece

Abstract

Advanced numerical simulations, that include modal and frequency response function finite element analysis, frequency domain and time domain finite element method – boundary element method analysis, are performed to study the vibro-acoustic behaviour of crash and splash musical cymbals. The results of the modal analysis agree well with experimental measurements found in literature. The frequency domain and time domain coupled finite – boundary element method simulations, despite their high computational resources and time demands, are used for the crucial comparison of the velocity spectrograms on the cymbal to the radiated sound pressure spectrograms in the air. The computational analysis results show that the splash cymbal is characterized by a faster decay and a higher frequency content compared to the crash cymbal. The advanced multiphysics vibro-acoustic simulations that correlate the displacements and velocities of the vibrated structure with the radiated sound pressure results demonstrate the future capability to synthesize the sounds of cymbal music instruments.

Publisher

North Atlantic University Union (NAUN)

Subject

Electrical and Electronic Engineering,Signal Processing

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