Tensile Test - Constrains

[MyNameIsUser]

Hi,

i got the following issue:

i want to do a tensile test (technically a compression test) with a model of bone i got. For this i received (by my adviser) the model itself and two additional plates.
I want to attach the bone model to the plates so that i can apply boundary conditions to the plates that affect the bone as well (as in a real tensile test).
how do i define the constrains here? i only need to define a displacement constrain between the upper and lower bone surface and the plates surface, but which one is the right one?

Thank you for any help

 

[IceBreakerSours]

This seems like something you *should* struggle through yourself. Play around with a few introductory examples from the manuals, learn about ties/couplings, interactions, etc. and you will figure this out on your own.

Are you new to this forum? If so, please read these FAQ:

http://www.eng-tips.com/faqs.cfm?fid=376

http://www.eng-tips.com/faqs.cfm?fid=1083

 

[MyNameIsUser]

Hi,

so i played around and used a tie constraint which apparently works. I set the plates as master surfaces (used 2 different constrains) and parts of the sample as slave surface. Now i wondered how you can force only the very elements of the sample that are right at the master surface to have the same displacement as the master elements.

i tried to solve this by first grabbing roughly the sample`s elements around the plates surface and then apply a position tolerance small enough to only capture the elements right at the master`s surface.

Is this the correct procedure (running a job with this procedure right now) or is a different one better/correct?

Thanks for any advice