Optimization of realistic loudspeaker models with respect to basic response characteristics

Daniel Gert Nielsen, Finn T. Agerkvist, Jakob Søndergaard Jensen

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    A numerical model for optimization of loudspeakers mounted in infinite baffles is presented in this paper. The optimization is carried out by using objective functions based on basic response characteristics for loudspeakers such as the on axis frequency response. In-order to create a realistic model of the speaker we include the
    excitation of the speaker from the motor system. The interaction between acoustic medium and structure is modelled with the finite element method. As most loudspeaker drivers are nearly symmetric, the presented model is a 2D axisymmetric finite element model. The exterior domain is modelled with perfectly matched
    layers, which ensure free-field radiation conditions. Optimized designs for a selection of objective functions are presented and discussed.
    Original languageEnglish
    Title of host publicationProceedings of 23rd International Congress on Acoustics
    Number of pages8
    PublisherGerman Acoustical Society (DEGA)
    Publication date2019
    ISBN (Print)978-3-939296-15-7
    Publication statusPublished - 2019
    Event23rd International Congress on Acoustics - Eurogress, Aachen , Germany
    Duration: 9 Sept 201913 Sept 2019


    Conference23rd International Congress on Acoustics
    Internet address


    • Optimization
    • FEM
    • Loudspeaker
    • Materials


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