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 The information provided may be out of date.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.

ACOUSTICS - Undefined value found in the equation residual vector.

Please login with a confirmed email address before reporting spam

Typical error when trying to solve a compression driver model...

Undefined value found in the equation residual vector.
There are 1445 degrees of freedom giving NaN/Inf in the vector for the variable mod1.u
at coordinates (),(),().....
There are 1445 degrees of freedom giving NaN/Inf in the vector for the variable mod1.w
at coordinates (),(),().....

Any help would be appreciated.
Thank you all in advanced


0 Replies Last Post 2011年11月8日 GMT-5 05:56
COMSOL Moderator

Hello Alejandro Espí

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.