Hello everyone,

 Thanks in advance for your help! I understand that generally interior partition walls are not usually modeled, however I'd like some clarification this case. On the N and E orientations of our project, exterior walls  assemblies are as follows:

(A) precast concrete elevation panels that are (L1):3" EXTERIOR CONCRETE ; (L2):3" EXTERIOR AIR FILM; (L3):3" INSULATION; (L4):INTERIOR AIR FILM ; (L5):3" INTERIOR CONCRETE

(B) Subsequent, the above is followed by  6"-12" AIR CAVITY; 8" CMU , metal stud cavity wall construction, followed by ans interior sheetrock. 

Question is, do I need to model both A and B and the contraction assembly of the exterior envelop?  I am assuming that the zone between A&B is adiabatic (no heat flow very little), so generally do not explicitly model interior partition walls.

Please advise .