I have talked to several people in my network recently who would like a new feature in COMSOL Multiphysics(R), so that the 'Exterior Field Calculation' node will work for structures with cyclic symmetry. That is understandable, since you can save a lot of computational time and memory by exploiting...

Here are some animations and figures from my presentation at the COMSOL Conference in Cambridge last year, showing how sound fields can be manipulated using topology optimization. You can cite [1] if you want to recreate any of these.

Criss-cross splitter:

De-multiplexor:

Mode Converter I - 01-to-02 mo...

I am happy to announce that Acculution has launched its first product. This has been in the making for a few years, and now 'A Complete Guide to - Phase Decomposition' is here (link). I have written about Phase Decomposition before (link, link), but the implementation and especially the interpretati...

In a previous post (#028) I showed how you can convert an evanescent sound field into a propagating one by using topology optimization. Now, I will briefly show that you can also use shape optimization for the same task. First, the unperturbed tube response:

It is clearly seen that at this particular...