This is from a fast-multipole boundary element method sound-hard acoustic simulation of the CNMAT 12-sided dodecahedral loudspeaker.

Geometry, ~3000 triangles. Active speaker is green pointing towards +X axis.

[inline-center:1]

Bubble plot, linear amplitude of response on a sphere at 2 meters, 1khz.

[inline-center:2]

XY planar slice, contour lines are -6db steps.

[inline-center:3]

Attachments