Menu

Discussion Forum

New Discussion
Filter

Note: This discussion is about an older version of the COMSOL Multiphysics® software. The information provided may be out of date.

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.

URGENT :How to find resonant frequency ?

Posted Jun 22, 2012, 4:47 a.m. EDT Version 4.3 2 Replies

Vijay Ramakrishnan
Send Private Message Flag post as spam

Please login with a confirmed email address before reporting spam

Hi ,
I have modeled a mems piezoresistive pressure sensor. I have included only the solid mechanics module.
I want to know how to find the resonant frequency of the structure ? Plz tell me in detail if i have to include any other physics module and which options i should use.
Thanking u.
2 Replies Last Post Jun 22, 2012, 3:49 p.m. EDT
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
Send Private Message Flag post as spam

Please login with a confirmed email address before reporting spam

Posted: 1 decade ago Jun 22, 2012, 2:36 p.m. EDT
Hi

if you have defined your geometry, materials and BC (fixed constraints + any added mass or spring elements that might apply) hen in Solid you run an eigenfrequency solver and you have your modes

--
Good luck
Ivar
Hi if you have defined your geometry, materials and BC (fixed constraints + any added mass or spring elements that might apply) hen in Solid you run an eigenfrequency solver and you have your modes -- Good luck Ivar
Bjorn Sjodin COMSOL Employee

Please login with a confirmed email address before reporting spam

Posted: 1 decade ago Jun 22, 2012, 3:49 p.m. EDT

Hi ,
I have modeled a mems piezoresistive pressure sensor. I have included only the solid mechanics module.
I want to know how to find the resonant frequency of the structure ? Plz tell me in detail if i have to include any other physics module and which options i should use.
Thanking u.


The new version of the MEMS Module has 3 new dedicated user interfaces for piezoresistivity. Please see:
www.comsol.com/products/4.3/#mems
for more information.
[QUOTE] Hi , I have modeled a mems piezoresistive pressure sensor. I have included only the solid mechanics module. I want to know how to find the resonant frequency of the structure ? Plz tell me in detail if i have to include any other physics module and which options i should use. Thanking u. [/QUOTE] The new version of the MEMS Module has 3 new dedicated user interfaces for piezoresistivity. Please see: http://www.comsol.com/products/4.3/#mems for more information.

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