Hello,
I am applying load_rigid_body to a part with rigid material applied. Model runs and converges without error. But the load does not seem to be applied fully. The part which the load applied on, moves couple of millimeters(expected displacement is more than 100mm). This feels like the load is not fully applied and I do no know why. When I run the same simulation with prescribed motion it works.
So I got the idea that when using load_rigid_body load is not fully applied for some reason probably a bug in the solver or some implicit control card problems occur. Have you come across with such an issue. My load curve can be found in the attachment. termination time:1 and the max(100%) load is applied at 1 in the curve.
There is a similar example on dynamore https://www.dynaexamples.com/implicit/implicit_seatpull)
This example is very similar to mine but my problem is simpler. Do you have any suggestions on load application via rigid bodies in implicit ls dyna simulation. Thanks in advance.
Regards
Emirhan
Hi @emirhan-dyna,
I can’t believe this went unanswered for this long, I’m sorry.
I’ve had my fair share of issues with *Load_ in Dyna. Throw in the fact that you are using Implicit and it makes sense why you were running into issues.
The method that I got to consistently provide load in Dyna was via point loads. Either one node, or a set of nodes. However, if you use a set, you need to divide the total load you desire by the number of nodes in the set because every node will be loaded the amount you specify.
I’m curious if and how you were able to solve your problem.