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.

Weak experssions of "use dynamic subgrid time scale" disappear after computer automatically

Please login with a confirmed email address before reporting spam

In laminar flow model, when check"use dynamic subgrd time scale", the weak experssion will appear

"(spf.usePseudoTimeStepping>0)*spf.rho*spf.tsti*(-(u-nojac(u))*test(u)-(v-nojac(v))+ *test(v))".

however, after click compute, I found the weak experssions will disappear automatically. why?


0 Replies Last Post 11.11.2020, 21:46 GMT-5
COMSOL Moderator

Hello Qianlin Zhu

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.