How tu simulate gluing surfaces via bonded?

Hey there, and welcome to the forum!

Could you please elaborate on your question?

Also, please always include the URL to your project, so we can have a deeper look on the issue.

Hi,
I would like match togetcher 2 surfaces (simulate gluing or stiching proces ) on my model ( look as box)
link:
https://www.simscale.com/workbench/?pid=4973357886666953691&rru=c0efd561-7bbf-4cd8-b322-1c0ed9fdb695&ci=ff9399f4-46e7-4186-822e-a82c93dea471&ct=SOLUTION_FIELD&mt=SIMULATION_RESULT

Thanks for the link!

You can not create a bonded contact on two faces of the same solid.

In this case, you should go back to your CAD and fuse the faces you want. It should be pretty straightforward.