*HEADING
: PIPE FRAME SECTION, TESTING Of FOUNDATION LOADS [FRAME3D]  
*NODE
 1,  0.0, 0.0
11, 75., 0.0
*NGEN,NSET=ALL
 1,11,2
*ELEMENT,TYPE=FRAME3D, ELSET=EALL
1,1,3
2,3,5
3,5,7
4,7,9
5,9,11
*ELSET, ELSET=FOUR
4, 
*FRAME SECTION,SECTION=PIPE, ELSET=EALL, DENSITY=8000.0E-4, ZERO=-10.
2., .2
0., 0., -1.
3.E6, 1.1538E6, .001, -10.
1.5E6, 0.5769E6, .002, 90.
*INITIAL CONDITION, TYPE=TEMPERATURE
ALL, -10.
*BOUNDARY
1, 4, 6
11, 4, 6
*FOUNDATION
EALL, FX, 1500. 
EALL, FY, 1500. 
EALL, FZ, 1500. 
*********************** STEP 1
*STEP
*STATIC
*DLOAD
EALL, PY, -1.910088E1
*EL PRINT
SF,
SEE,
*EL PRINT, ELSET=FOUR, POSITION=AVERAGED AT NODES
SF,
SEE,
*EL PRINT, ELSET=FOUR, POSITION=NODES
SF,
SEE,
*EL PRINT, ELSET=FOUR, POSITION=CENTROIDAL 
SF,
SEE,
*EL FILE, ELSET=FOUR
SF,
SEE, 
*EL FILE, ELSET=FOUR, POSITION=AVERAGED AT NODES
SF,
SEE,
*EL FILE, ELSET=FOUR, POSITION=NODES
SF,
SEE,
*EL FILE, ELSET=FOUR, POSITION=CENTROIDAL 
SF,
SEE,
*NODE FILE
 U,COORD
 RF, 
*NODE PRINT
 U,
 RF, 
*ENERGY FILE
*END STEP
*********************** STEP 2
*STEP
 compressive axial load 
*STATIC
*DLOAD
EALL, PX, -1.910088E1
*END STEP
*********************** STEP 3
*STEP
*STATIC
*DLOAD
EALL, PZ, -1.910088E1
*END STEP
*********************** STEP 4
*STEP
 same as the 1st step loading.
*STATIC
*DLOAD
EALL, P2, -1.910088E1
*END STEP
*********************** STEP 5
*STEP
 same as the 3rd step loading 
*STATIC
*DLOAD
EALL, P1, 1.910088E1
*END STEP
*********************** STEP 6
*STEP, PERTURBATION
  the results of 5th step and 6th step should b same for a linear analysis. 
  All the loads are respecified in a perturbation step.
*STATIC
*DLOAD
EALL, PY, -1.910088E1
EALL, PX, -1.910088E1
EALL, PZ, -1.910088E1
EALL, P2, -1.910088E1
EALL, P1, 1.910088E1
*EL PRINT
SF,
SEE,
*EL PRINT, ELSET=FOUR, POSITION=AVERAGED AT NODES
SF,
SEE,
*EL PRINT, ELSET=FOUR, POSITION=NODES
SF,
SEE,
*EL PRINT, ELSET=FOUR, POSITION=CENTROIDAL 
SF,
SEE,
*EL FILE, ELSET=FOUR
SF,
SEE, 
*EL FILE, ELSET=FOUR, POSITION=AVERAGED AT NODES
SF,
SEE,
*EL FILE, ELSET=FOUR, POSITION=NODES
SF,
SEE,
*EL FILE, ELSET=FOUR, POSITION=CENTROIDAL 
SF,
SEE,
*NODE FILE
 U,COORD
 RF, 
*NODE PRINT
 U,
 RF, 
*ENERGY FILE
*END STEP