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Nonlinear Finite Element Analysis of Moving Coil Loudspeaker Suspension

[+] Author Affiliations
Naveen Viswanatha, Mark Avis, Moji Moatamedi

University of Salford, Greater Manchester, UK

Paper No. PVP2006-ICPVT-11-93701, pp. 381-388; 8 pages
doi:10.1115/PVP2006-ICPVT-11-93701
From:
  • ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference
  • Volume 4: Fluid Structure Interaction, Parts A and B
  • Vancouver, BC, Canada, July 23–27, 2006
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4755-1 | eISBN: 0-7918-3782-3
  • Copyright © 2006 by ASME

abstract

The surround and the spider of the loudspeaker suspension are modelled in ANSYS to carry out finite element analysis. The displacement dependent nonlinearities arising from the suspension are studied and the material and geometric effects leading to the nonlinearities are parameterised. The ANSYS models are simulated to be excited by a sinusoidal load and the results are evaluated by comparison with the results obtained by a physical model. The paper illustrates how practical models can be analysed using cost effective finite element models and also the extension of the models to experiment on various parameters, like changing the geometry for optimisation, by computer simulation.

Copyright © 2006 by ASME

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