*Heading
 B21 Elements, Static Analysis
*Node
      1,           0.,           0.
      2,           1.,           0.
      3,          10.,           1.
      4,           2.,    0.1111111
      5,           3.,    0.2222222
      6,           4.,    0.3333333
      7,           5.,    0.4444444
      8,           6.,    0.5555556
      9,           7.,    0.6666667
     10,           8.,    0.7777778
     11,           9.,    0.8888889
*Element,type=z1,elset=one,file=lib_smdef_beam2D
10001,1,2,3
*substructure property, elset=one
*element,type=spring1,elset=spr2
10002,3
*spring,elset=spr2
2,
1000,
*Nset, nset=Set4
 1,
*Nset,nset=Force
3
** ----------------------------------------------------------------
*Step, name=Stp1, nlgeom, inc=1000
Small deformation
*Static
0.1, 1., 0.1, 0.1
*controls,param=field
1e-5,
*Boundary
Set4, 1,2
*Cload
Force, 2, 1000.
Force,6,200
*output,field
*node output
u,
*substructure path,enter=10001
*output,field
*node output
u,
*element output
e,s
*substructure path,leave
*End Step