Software to design and simulate reflection/diffraction of sound waves on different shapes?

[Borteese]

If there aren't any, are there any papers/links to information about reflecting with different shapes and how they may affect different sound properties? (ie. frequency response, off-axis measurements, etc.)

 

[Berwhale]

If there aren't any, are there any papers/links to information about reflecting with different shapes and how they may affect different sound properties? (ie. frequency response, off-axis measurements, etc.)

An interesting question. I found this, which may be of interest...

Wayverb - Home

reuk.github.io

 

[voodooless]

This can do it:

Tolvan Data

Or the simpler variant The Edge for baffle step simulation only. I think the more advanced simulator tools can also do it.

 

[tmuikku]

VituixCAD has simple diffraction tool, with which you can experiment in realtime, great for getting intuition. You can view the stuff in CTA2034 related graphs, so connects directly to important measurement data you see on the forum nowadays, polar map, directivity, power response, and so on. This all helps to identify diffraction from measurement data as well.

VituixCAD is a whole suite of loudspeaker design and simulation tools, about best you can get and it is free to use! Read the manual, also lots of examples in diyaudio.com by yours truly and others

If you need more details, like what effect backside of a box has, then you'd want to do BEM simulation. For that I know ABEC, or newer version of it called AKABAK.

VituixCAD Loudspeaker simulator

AKABAK

www.randteam.de