Siemens NX 12 motion

[Julia Holm]

Hello together ,


i want to see the impact when a piston hits a solid that is attached by a spring to another solid. I want that "solid 1" stays in its current position until the pin hits the "spring". Is there any way that i can simulate that case? There is a possibility with 3D-contact. But i don´t know how to set the parameters because solid 1 starts to swing at the start of the simulation. Does anyone know why? Furthermore there are differences in the result by using solver "Recurdyn" or "NX-Motion".


Here is a picture.Is there also some literature for siemens nx motion because i can´t find anything. I would appreciate any help or advice.

Thank you very much!

 

[IRstuff]

Don't you think this question would make more sense in the NX forum?

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[Julia Holm]

I also asked there but got no reply. So i hoped somebody could help me here

 

[IRstuff]

Your profile only shows you starting this thread.

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[EnginSoft]

Julia,
I work at the company that distributes RecurDyn in North America. Yes, there are differences between NX Motion, which is based on RecurDyn and RecurDyn itself. Feel free to reach out to us and speak with an engineer. The RecurDyn website to visit is:

https://enginsoftusa.com/RecurDynMBD/Flexible-Multibody-Dynamics-with-Recurdyn.html