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.
Can I use the interaction force to simulate the impact problem?
Posted 2 ott 2017, 12:26 GMT-4 Structural & Acoustics Version 5.3 0 Replies
Please login with a confirmed email address before reporting spam
Dear All,
I am trying to simulate a sphere ball impacting onto a plate or waveguide to investigate the acoustic emission signals during the collision. As I found there is very limited reference, I am wondering if it is possible to use a point force (equal to the interaction force during the collison) to replace the ball impacting onto the plate?
I can easily deduce the interaction force during impacting based on the contact of Hertz theory. However, I am not sure how it will influence my simulation with the force instead of the sphere ball. Will it matter a lot? I know that I should use the sphere ball for impacting in the model, but it seems very hard to simulate impacting problems with COMSOL. eg. I do not know how to give the ball a initial velocity and the penalty problem.
Your help is much appreciated!
Guoqiang Zhang
Hello Guoqiang Zhang
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.