Harmonic shells: a practical nonlinear sound model for near-rigid thin shells

  title={Harmonic shells: a practical nonlinear sound model for near-rigid thin shells},
  author={Jeffrey N. Chadwick and Steven S. An and Doug L. James},
  journal={ACM Trans. Graph.},
We propose a procedural method for synthesizing realistic sounds due to nonlinear thin-shell vibrations. We use linear modal analysis to generate a small-deformation displacement basis, then couple the modes together using nonlinear thin-shell forces. To enable audio-rate time-stepping of mode amplitudes with mesh-independent cost, we propose a reduced-order dynamics model based on a thin-shell cubature scheme. Limitations such as mode locking and pitch glide are addressed. To support fast… CONTINUE READING
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Nonlinear vibrations and chaos in gongs and cymbals

  • Acoustical Science and Technology 26, 5, 403–409.
  • 2005
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