Estimation of Optimal Values for Lumped Elements in a Finite Element - Lumped Parameter Model of a Loudspeaker

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Abstract

Finite element methods are progressively being utilized to assist in the continuous development of loudspeakers. The core of this paper is the method of lumping certain parts of the finite element model, creating a significant reduction in the model complexity that allows for e.g. faster structural optimization. This is illustrated in the paper with a loudspeaker example where the electromagnetic parts are lumped as well as the spider. It is shown that the simplified model still matches the complex response of the full FE model at very high frequencies.
Original languageEnglish
Article number2050012
JournalJournal of Computational Acoustics
Volume28
Issue number2
Number of pages16
ISSN0218-396X
DOIs
Publication statusPublished - 2020

Keywords

  • Loudspeaker
  • Lumped model
  • Transducer

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