FEAP ** linear isotropic elastic element
27 , 8 , 1 , 3 , 3 , 8
      
      ! 8 cubic elements, 3 dof per node
      
COORDINATES
1 0 0. 0. 0.
2 0 10. 0. 0.
3 0 20. 0. 0.
4 0 0. 10. 0.
5 0 10. 10. 0.
6 0 20. 10. 0.
7 0 0. 20. 0. 
8 0 10. 20. 0.
9 0 20. 20. 0.
10 0 0. 0. 10.
11 0 10. 0. 10.
12 0 20. 0. 10.
13 0 0. 10. 10.
14 0 10. 10. 10.
15 0 20. 10. 10.
16 0 0. 20. 10. 
17 0 10. 20. 10.
18 0 20. 20. 10.
19 0 0. 0. 20.
20 0 10. 0. 20.
21 0 20. 0. 20.
22 0 0. 10. 20.
23 0 10. 10. 20.
24 0 20. 10. 20.
25 0 0. 20. 20. 
26 0 10. 20. 20.
27 0 20. 20. 20.
      
MATE 1
USER 04
Emod 2070.0
neu 0.30
      !Solid
      !ELAStic ISOTropic 207000.00 0.37      
      
ELEMENTS
1 0 1 1 2 5 4 10 11 14 13
2 0 1 10 11 14 13 19 20 23 22
3 0 1 2 3 6 5 11 12 15 14
4 0 1 11 12 15 14 20 21 24 23
5 0 1 5 6 9 8 14 15 18 17
6 0 1 14 15 18 17 23 24 27 26
7 0 1 4 5 8 7 13 14 17 16
8 0 1 13 14 17 16 22 23 26 25
      
FORCES
3 0 0.0 0.0 10.      
6 0 500. 750. 1250     
9 0 250. 500. 750.      
      
      !     EBOUNDARY restraints
      !     1 0.0 1 1 1
BOUNDARY restraints
1 0 1 1 1
2 0 1 1 1
3 0 1 1 1
      
end
     
batch
form residual
tangent
solve
disp all
end   
      
interactive
end