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

From: Lesage,Anne Cecile J
Subject: How to impose sliding boundary condition without friction between two 3D meshes?
Date: Fri, 19 Nov 2021 18:15:28 +0000

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





# 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


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