Induction heating in a conjugate heat transfer problem!

Hello all

I am working on a conjugate heat transfer problem with a hollow cylinder with the following details:

1- The inner surface of the cylinder is heated by induction;

2- The outer surface is surrounded by a a metallic block which contains some channels for water flow for purposes of cooling the outer surface.

My questions are:

1- What is the best way to represent the induction heating in simulation ( Heat generation rate or heat flux or whatsoever...)

2- The contact between the cylinder outer surface and the cooling block, how can be dealt!

Thanks in advance

Mohamed 

SolidworksFlow Simulation