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.

Singularity in tin_melting_front Example in the Library Application

Please login with a confirmed email address before reporting spam

Hello, In the Library Application, tin_melting_front, I apply the same model for longer time (40,000 s instead of just 10,000 s) and it just does NOT converge at around 30,000 s (look at graphs attached). Of course this is because the melting front almost reaches the cold boundary side. My model has similar feature except that instead of the cold boundary there is fluctuated hourly heat flux from a source, so it will absorb heat for some hours and release heat for different hours. Thus, my question is how to keep simulating even if the melting front reaches the right boundary (solid domain almost diminished) because it will grow back up after few hours? In another words, I want to let the simulation ignore the nonconverging period and keep heating the domains (raising temperature) until the building start absorb heat from the domain then the solid domain start growing back. Thanks. Ahmad.

0 Replies Last Post 2018年6月14日 GMT-4 上午7:19
COMSOL Moderator

Hello Ahmad Aljabr

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.