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.

Evaluating velocity gradient in boundary layer

Please login with a confirmed email address before reporting spam

Hi all,

I would like to calculate where the condition deltaU/deltalY reaches zero thus the separation condition for a laminar-turbulent flow within a boundary layer at the wall is fullfilled.

How can I calculate the gradient along a profile and with x-axis being the position on the airfoil in x-direction and y-axis being the calculated derivate described above? So basically deriving the velocity field in normal direction with respect to the normal wall distance?

Thank you very much!


0 Replies Last Post 10 mag 2022, 19:13 GMT-4
COMSOL Moderator

Hello Johannes Götz

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.