*HEADING
ECA4SID3: FOUNDATION TYPE F2  [CAX4I]
*PREPRINT,ECHO=YES,HISTORY=NO,MODEL=NO
*NODE,NSET=ALL
 1,1.,0.
 3,4.,0.
 7,1.,3.
 9,4.,3.
*ELEMENT,TYPE=CAX4I, ELSET=EALL
 1,1,3,9,7
*FOUNDATION
 1,F2,700.
*SOLID SECTION,MATERIAL=A1, ELSET=EALL
*MATERIAL,NAME=A1
*ELASTIC
 1.E-6, 
*STEP,PERTURBATION
*STATIC
*ENERGY FILE
*NODE FILE
 RF, 
*BOUNDARY
 1,1,2
 7,1
 3,1,,0.001
 9,1,,0.001
*EL PRINT,FREQ=0
*NODE PRINT
 RF, 
*END STEP