*HEADING
ECA6SHD4: FOUNDATION TYPE F3  [CAX6H]
*PREPRINT,ECHO=YES,HISTORY=NO,MODEL=NO
*NODE,NSET=ALL
 1, 1.,0.
 3, 4.,0.
 7, 1.,3.
 9, 4.,3.
*NGEN,NSET=ALL
 1,3
 7,9
 1,7,3
 3,9,3
 4,6
*ELEMENT,TYPE=CAX6H,ELSET=ELEMS
 1, 1,3,9,2,6,5
 2, 1,9,7,5,8,4
*FOUNDATION
 2,F3,700.
*SOLID SECTION,MATERIAL=A1, ELSET=ELEMS
*MATERIAL,NAME=A1
*ELASTIC,TYPE=ISOTROPIC
 1.E-6, 
*STEP,PERTURBATION
*STATIC
*BOUNDARY
 1,1,,0.001
 4,1,,0.001
 7,1,,0.001
 3,1,2
 6,1
 9,1
*ENERGY FILE
*NODE FILE
 RF, 
*EL PRINT,FREQ=0
*NODE PRINT
 RF, 
*END STEP