Menu

Discussion Forum

New Discussion
Filter

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.

Shape Memory Alloy. Nitinol

Posted Jun 30, 2017, 1:16 p.m. EDT 0 Replies

Charles Pereira
Send Private Message Flag post as spam

Please login with a confirmed email address before reporting spam

hello, i am trueing to simulate the contraction od a tooth made of nitinol, so that it then recovers it´s original state when a source of heat is applied to one of its faces.
the following error keeps showing up and i don't know how to solve it. any guess?

much obliged.


Failed to find a solution.
Singular matrix.

There are 2281 void equations (empty rows in matrix) for the variable comp1.T2.
at coordinates: (-0.00194818,0.000227035,-0.000334582), (-0.00210062,0.000227035,-0.000435769), (-0.00228474,0.000227035,-0.00047302), (-0.00184705,0.000227035,-0.000184217), (-0.00180969,0.000227035,-2.12849e-006), ...
and similarly for the degrees of freedom (empty columns in matrix).
Returned solution is not converged.
- Feature: Stationary Solver 1 (sol1/s1)
0 Replies Last Post Jun 30, 2017, 1:16 p.m. EDT
COMSOL Moderator

Hello Charles Pereira

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