Dear Kostas and Yves:
The line of "md.add_nodal_contact_between_nonmatching_meshes_brick(mim1, mim2, 'u1', 'u2', 'lambda_n', 'r', CONTACT_BOUND_WHEEL, CONTACT_BOUND_FND, True, False, 1)" works fine now. Thank you so much!
Regarding the convergence, the above line converges for both displacement and force loadings. However, "md.add_integral_contact_between_nonmatching_meshes_brick(mim1, 'u1', 'u2', 'lambda_n', 'r', 'f_coeff', CONTACT_BOUND_WHEEL, CONTACT_BOUND_FND)" converges only with a displacement loading. I will keep working on it to find out what causes this convergence issue.
I wish you all have a very happy new year!
Hojae
On 12/29/2016 2:12 AM, Konstantinos
Poulios wrote:
Thank you for testing this old contact brick. However I
would recommend you to use the integral contact bricks which
are in general superior and more heavily tested. The
convergence problems that you are experiencing are not some
intrinsic problem of the integral contact brick but most
probably due to the way you are setting up your model.
Best regards
Kostas