*HEADING
ELEMENTS        : B21, PSI24
ANALYSIS        : SMALL DISPLACEMENT
MATERIAL MODEL  : NONLINEAR 
*PRE PRINT,ECHO=NO,MODEL=YES,CONTACT=NO,HISTORY=YES
*NODE,NSET=NALL
 1, 0.0, 0.0, 0.0
 2, 2.0, 0.0, 0.0
 3, 2.0, 2.0, 0.0
 4, 0.0, 2.0, 0.0
*NSET,NSET=FAR-FIELD
 3, 4,
*NSET,NSET=NPSI11
 1,
*NSET,NSET=NPSI12
 2,
*NSET,NSET=FARF11
 4,
*NSET,NSET=FARF12
 3,
*ELEMENT,TYPE=B21   ,ELSET=PIPELINE1
 1, 1, 2
*ELEMENT,TYPE=PSI24 ,ELSET=PSI24
 2, 1, 2, 3, 4
*BEAM SECTION,ELSET=PIPELINE1,SECTION=PIPE,MATERIAL=STEEL
0.3,0.01
*PIPE-SOIL INTERACTION,ELSET=PSI24
*PIPE-SOIL STIFFNESS,TYPE=NONLINEAR
-1.000E+03,-0.0010000
*MATERIAL,NAME=STEEL
*ELASTIC
2.1E11,0.3
*PLASTIC
2.0E8,0.0
*AMPLITUDE,NAME=CYCLETWO,TIME=STEP TIME
0.0,0.00000,1.0,0.06667,2.0,-0.06667,3.0,0.25000
4.0,-0.25000,5.0,0.58333,6.0,-0.58333,7.0,1.00000
8.0,-1.00000
*STEP,INC=100
*STATIC
0.1,8.0,,0.1
*BOUNDARY
FAR-FIELD,1,2, 0.00D+00
NPSI11   ,1,1,+3.00D-03
NPSI11   ,2,2, 0.00D+00
NPSI12   ,1,1,+3.00D-03
NPSI12   ,2,2, 0.00D+00
NALL     ,6,6, 0.00D+00
*NODE PRINT,FREQ=10
 U,
RF
*EL PRINT,FREQ=10
 S11,S22,E11,E22,
 NFORC,
 EE,
 E,
 COORD,
*OUTPUT,FIELD,FREQ=100
*ELEMENT OUTPUT
 S,E,EE
*NODE OUTPUT
 U,RF
*OUTPUT,HISTORY,FREQ=1
*ELEMENT OUTPUT,ELSET=PSI24
 S,E,EE
 NFORC,
*NODE OUTPUT,NSET=NALL
 U,RF
*MONITOR,NODE=1,DOF=1
*END STEP