Conference paper
Optimization of realistic loudspeaker models with respect to basic response characteristics
Department of Electrical Engineering, Technical University of Denmark1
Acoustic Technology, Department of Electrical Engineering, Technical University of Denmark2
Solid Mechanics, Department of Mechanical Engineering, Technical University of Denmark3
Department of Mechanical Engineering, Technical University of Denmark4
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.
| Language: | English |
|---|---|
| Publisher: | German Acoustical Society (DEGA) |
| Year: | 2019 |
| Pages: | 6219-6226 |
| Proceedings: | 23rd International Congress on AcousticsInternational Congress on Acoustics |
| ISBN: | 3939296155 and 9783939296157 |
| Types: | Conference paper |
| ORCIDs: | Nielsen, Daniel Gert , Agerkvist, Finn T. and Jensen, Jakob Søndergaard |
