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hello,
{
Errors during multiphysics.
Could not find any Cartesian regions.
- Feature: Infinite Element Domain 1 (ie1)
}
i am getting this msg from comsol 4.4 .
my aim is to get magnetic feild lines from a conductor in a shape of a square coil,for that purpose i made a sphere for the infinte domain , i mentioned the materials as copper for coil and air for the surrounding area of coil , can someone please mention possible reasons of failure.i have attached the screenshot of my model for reference.

thanks in advance,
jyotirmaya ojha