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.
Applying a step function at an unknown time
Posted 22 lug 2013, 20:17 GMT-4 Structural Mechanics 0 Replies
Please login with a confirmed email address before reporting spam
I need to apply a load on a boundary. my problem is that this load needs to be applied only if the deflection of a beem has exceeded a certain value. then I want this force to be applied in the opposite direction. the purpose for this modeling is to mimic the impact without troubling myself with time dependent contact problem and its complexity in comsol.
I am applying the load like this : (1000 [N/m])*(Clarence-current position)*((Clarence-current position)<0.001)
now I want to multiply the whole thing by a step function to avoid the transient effects of Impact loading. the problem is that the step has to start at the time in which my condition is met, some thing which is not known a priori.
Hello Farhad Hemmati
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.