Air is a light medium and hence will generally have a lesser effect on a vibrating structure than in underwater acoustics. However the cone, dustcap and surround of a loudspeaker drive unit are also light, and hence to obtain accurate results a fully coupled analysis is necessary.
Application Areas
- cone breakup
- cabinet cavity modes
- radiation from drive unit
- diffraction from edges
- placement of speakers in a small room
- radiation from panels
- horn design
- load/displacement computation for spiders and surrounds
- compression driver design
PafLS PAFEC Loudspeaker analysis tool
Benefits of Acoustic FE/BE Analysis
Examples:
Wave guide / horn (axisymmetric transient response)
Wave guide / horn (3D sinusoidal response)
Wave guide / horn (3D transient response)
Mobile phone (3D sinusoidal response)
Large displacement analysis of a surround
Large displacement analysis of a cupped spider
GiD pre-processor / axisymmetric tweeter