Abstract
Many transducers (e.g. microphones) consist of a moving part facing the exterior on one side and facing a closed cavity on the other. In order to obtain and solve a model of such transducers, a fully coupled model can be used and the performance of this model will rely of the performance of the sub-models being coupled. Previous work has revealed that the performance of an interior lossless BEM formulation concerning a cavity with rigid walls can pose a limit on the accuracy of a fully coupled model of the transducer – in particular when including viscous and thermal losses in the cavity. This paper investigates the accuracy of a lossless acoustic BEM formulation for cavities with rigid walls at low frequencies and addresses possible solutions for restoring accuracy.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of internoise 2019 |
| Publisher | International Institute of Noise Control Engineering |
| Publication date | 2019 |
| Pages | 2217-2226 |
| Article number | 2070 |
| ISBN (Print) | 978-84-87985-31-7 |
| Publication status | Published - 2019 |
| Event | 48th International Congress and Exhibition on Noise Control Engineering - Palacio Municipal de Congresos de Madrid, Madrid, Spain Duration: 16 Jun 2019 → 19 Jun 2019 Conference number: 48 https://internoise2019.org/ |
Conference
| Conference | 48th International Congress and Exhibition on Noise Control Engineering |
|---|---|
| Number | 48 |
| Location | Palacio Municipal de Congresos de Madrid |
| Country/Territory | Spain |
| City | Madrid |
| Period | 16/06/2019 → 19/06/2019 |
| Internet address |
Keywords
- Numerical Acoustics
- Low Frequencies
- Accuracy