*HEADING
: FOUNDATION TYPE F1  [B31OSH]
*NODE,NSET=ALL
 1,0.
 2,15.
*ELEMENT,TYPE=B31OSH, ELSET=EALL
 1,1,2
*BEAM SECTION,SECTION=I,MATERIAL=A1, ELSET=EALL
 1.2, 2.4, 3., 2., .2, .2, .2
*MATERIAL,NAME=A1
*ELASTIC
 3.E+6,0.3
*FOUNDATION
 1,F1,300.
*STEP,PERTURBATION
*STATIC
*BOUNDARY
 ALL,1,2
 ALL,3,,-0.1
 ALL,4,7
*EL PRINT,FREQ=0
*NODE PRINT
 RF, 
*END STEP