PDE - Contact Resistance

Hi Everyone,

I am wondering how to implement electrical or thermal contact resistance when using the PDE physics.

I am using the PDE coefficient form to model thermoelectric effects at a metal-semiconductor interface. I have a working thermoelectric model, but I want to include the effects of contact resistance at the interface.

I am aware the Heat Transfer physics has a "Thin Thermally Resistive Layer" which introduces a resistance to heat flow and a discontinuity in the temperature at a boundary. However, I have been unable to simulate a similar interface resistance using PDE physics.

I am using COMSOL 4 and I appreciate any help anyone can provide.

Thank you,

- Kyle