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Sound Insulation of Porous Plates

  1. Anke Busse*,
  2. Martin Schanz

Article first published online: 13 DEC 2004

DOI: 10.1002/pamm.200410241

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PAMM

PAMM

Volume 4, Issue 1, pages 520–521, December 2004

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How to Cite

Busse, A. and Schanz, M. (2004), Sound Insulation of Porous Plates. Proc. Appl. Math. Mech., 4: 520–521. doi: 10.1002/pamm.200410241

Author Information

  1. Institut of Applied Mechanics, P.O. box 3329, 38123 Braunschweig Germany

*Phone: +49 (0)531 391 7104, Fax: +49 (0)531 391 5843

Publication History

  1. Issue published online: 13 DEC 2004
  2. Article first published online: 13 DEC 2004

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Abstract

Because of the still increasing noise pollution the numerical simulation of acoustic problems becomes more and more important. One essential aspect is the numerical treatment of noise insulation of solid walls. The main noise source is the bending vibration of separating components. In general, they consist of porous material, e.g., concrete or bricks. To take into account the porous structure as well as the damping effect of the porosity of these components a poroelastic plate theory is developed. The Finite Element implementation of this plate theory shows the importance of taking porous materials into account. (© 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

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