How to impose sliding boundary condition without friction between two 3D meshes?

[Lesage,Anne Cecile J]

Hi all,

 

 

To set up that the brain is sliding without friction inside the head, I wrote the following python lines

 

fbb = meshb.outer_faces()  # Boundary of the brain

fbh = meshh.outer_faces()  # Boundary of the head

 

HEAD_BOUND = 1;

BRAIN_BOUND = 2;

 

# selection of faces for contact condition

meshh.set_region(HEAD_BOUND, fbh)

meshb.set_region(BRAIN_BOUND, fbb)

 

md.add_penalized_contact_between_nonmatching_meshes_brick(mim3h, uh, ub, datanamer, HEAD_BOUND, BRAIN_BOUND, 1, lambda1_n)

 

Is it a good option? How to choose the parameters datanamer and lambda1?

 

Thank you

Best Regards

Anne-Cecile

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