reaction force for axisymmetric elements

Dear all,

 

I have an indentation test model, which is modeled by axisymmetric elements. 
The top of the model is compressed. I can get the reaction force, say RF2, 
output for the nodes on the top line of the elements, however, if I sum all the 
RF2 from the nodes, it is the reaction force of that line, not the top surface. 
How could I get the total reaction force of the top surface? Do I need to do 
any post-processing?

 

Thanks a lot!

 

Bob

 



                
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