Re: [Getfem-users] nodal contact problem

[Hojae Yi]

Hello Kostas:

Thank you for the reply.

I tried 'CONTACT_BOUND_WHEEL' AND 'CONTACT_BOUND_FND' before. When I did, I got the error of "Argument 10 must be a string" error with the region id's. It was same when I added friction coefficient data name as ''md.add_nodal_contact_between_nonmatching_meshes_brick(mim1, mim2, 'u1', 'u2', 'lambda_n', 'lambda_t', 'r', 'f_coeff', CONTACT_BOUND_WHEEL, CONTACT_BOUND_FND, True, False, 1)".

I tried mesh1.pid_in_regions(CONTACT_BOUND_WHEEL) since I found that those arguments are defined as 'const std::vector<size_type> &rg1' in the C++ code.

I feel like I am missing some obvious mistake I made somewhere in my code.

Kind regards,

Hojae

On 12/24/2016 3:47 AM, Konstantinos Poulios wrote:

Dear Hojae

From what I am seeing, you should replace mesh1.pid_in_regions(CONTACT_BOUND_WHEEL) with CONTACT_BOUND_WHEEL.

CONTACT_BOUND_WHEEL is the region id. The same applies to CONTACT_BOUND_FND.

Best regards

Kostas

On Fri, Dec 23, 2016 at 9:56 PM, Hojae Yi <address@hidden> wrote:

Hello Yves,

Than you very much for the reply. I thought and tried that rg1 and rg2 should be boundary numbers as you explained (and in the documents). Just in case, I am attaching my code with a comment to highlight the line issues an error. It is line number 200. Let me know if there is anything unclear about this revised code.

Best regards,

Hojae

On 12/23/2016 2:43 PM, Yves Renard wrote:

Dear Hojae,

The best is that you send the lines of your code that are not working.
rg1 and rg2 are boundary numbers so that they should be some integers.

Yves.

----- Original Message -----
From: "Hojae Yi" <address@hidden>
To: "getfem-users" <address@hidden>
Sent: Thursday, December 22, 2016 8:25:34 PM
Subject: [Getfem-users] nodal contact problem

Hello,

First of all, thank you so much for a great FEA package!

I am currently using GetFEM 5.1 using Python. I have been toying with
provided 'demo_wheel_contact.py' and trying to apply
add_nodal_contact_between_nonmatching_meshes_brick using two contact
surfaces. However, when I run, it complains that rg1 (and rg2) should be
a string. Python Interface reference explains that rg1 and rg2 as
integers while User Document explains them as vectors.

Can someone kindly point me where I can find further information on how
these rg1 and rg2 should be defined? Let me know if any further details
are needed.

Thank you very much!

Hojae

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