3--D Modelling of Composite Laminates

HI, Friends,

 I am trying to model COmposite laminate plate for uniaxial tension,3-D model, 12 layers,symmteric and balanced laminates, and solid46 elements used.

 I wanted to know, after creating and meshing with quadratic elements, for all layers and placed face to face with other. How to connect them? Right now I am using "NUMMRG,node" but there are some problem in the results.

 Please help to use any command that weill better help and give me correct results.

 Please reply as sson as you can.

 Manish