*HEADING ELEMENTS : B21, PSI24 ANALYSIS : SMALL DISPLACEMENT MATERIAL MODEL : ASCE MODEL FOR SAND *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=SAND,DIR=1 19000.0,0.3,30,0.6,0.003 *PIPE-SOIL STIFFNESS,TYPE=SAND,DIR=2 24000.0,0.5,0.4,0.3,0.15,0.015 *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,+5.00D-03 NPSI11 ,2,2, 0.00D+00 NPSI12 ,1,1,+5.00D-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,PE11,PE22 NFORC, EE, E, COORD, *OUTPUT,FIELD,FREQ=100 *ELEMENT OUTPUT S,E,EE *NODE OUTPUT U,RF *OUTPUT,HISTORY,FREQ=100 *ELEMENT OUTPUT,ELSET=PSI24 S,E,EE,PE NFORC, *NODE OUTPUT,NSET=NALL U,RF *MONITOR,NODE=1,DOF=1 *END STEP