double pipe heat exchanger meshing in ICEM CFD
 

hi friends..
i m new to icem cfd ...i hav done modelling of exchanger in solidworks and i hav imported to ICEM CFD... how should i do meshing for exchanger..abt considering fluid and solid interfaces.....etc..i think it is a multiphase flow so can any body help me out??

model will be like
http://upload.wikimedia.org/wikipedi..._Exchanger.png

thanks