Acoustic Analysis in FEA

acoustic analysis overview diagram

Acoustic Analysis in FEA

In FEA there are many ways to model acoustics, depending on the problem and the specific requirements of the analysis.

The most detailed way is to model the whole acoustic domain in FEA, which means that the object as well as the fluid it is operating in is modelled. This method is, however, the most computationally expensive. An example is a concert hall, where the full room, including the seating needs to be modelled to accurately predict the acoustics.

But there are a number of boundary conditions which can be used to simplify problems.

If, for example, the performance of a speaker is of interest, a smaller acoustic domain can be defined around the speaker, with boundary conditions used so that the complete room does not have to be included in the analysis.

If the acoustic transmission loss (https://fea-solutions.co.uk/acoustic-transmission-loss/), that means the change in sound through an object, is of interest, boundary conditions can be defined so that modelling of any fluid domain is not required.

Please call us today on +44 (0)1202 798991 for any engineering analysis requirements you might have.