Menu

Discussion Forum

New Discussion
Filtrer

Discussion Closed This discussion was created more than 6 months ago and has been closed. To start a new discussion with a link back to this one, click here.

Frequency response of enclosed space at low frequency(mode dominant range) using transient acoustics

Posted 6 nov. 2019, 01:34 UTC−5 Acoustics & Vibrations Version 5.3a 0 Replies

Ikchae Jeong
Send Private Message Flag post as spam

Please login with a confirmed email address before reporting spam

Hello.

I want to check effect of mode by time domain simulation.

I made rectangular enclosed space and make monopole source.

I used multi-sine function(sum of single sine at each frequency) to excite whole frequency range as reference and measured pressure at edge of enclosed spaces.

Theoretically at point of edge, all of mode can be measured.

I expect frequency response function that have peaks only in natural frequency of each mode.

But, I cannot find distinct peak at natural frequency.

Is there any problem using transient acoustics to check about mode of enclosed spaces?

I am waiting your answers

0 Replies Last Post 6 nov. 2019, 01:34 UTC−5
COMSOL Moderator

Hello Ikchae Jeong

Your Discussion has gone 30 days without a reply. If you still need help with COMSOL and have an on-subscription license, please visit our Support Center for help.

If you do not hold an on-subscription license, you may find an answer in another Discussion or in the Knowledge Base.

Note that while COMSOL employees may participate in the discussion forum, COMSOL® software users who are on-subscription should submit their questions via the Support Center for a more comprehensive response from the Technical Support team.

Suggested Content