Help on 3D modelling

Dear All,

Having constructed my 2D axisymmetric model of a steel rod embedded 
in concrete, i have now constructed a full 3D model. But since my 
model comprises of 4 different parts, the nodes of one part is not 
coincident with the other part at location where they are in 
contact. How can i mesh the model so that the element nodes are 
coincident at the interface where they are in conatct with?

I have spent a couple of hours to upload the picture of my model 
along with some description of how i have modelled it. Please go to 
the following website

For the 2D model and the schematic of my 2D model
http://www.geocities.com/ravindran_manoharan/anchor.html 

For the 3D model
http://www.geocities.com/ravindran_manoharan/3D.html

Thanking you in advance for your time and kind understanding.

best regards,
Ravi










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