*HEADING ELEMENTS : B21, PIPE21, PSI24 ANALYSIS : SMALL DISPLACEMENT MATERIAL MODEL : LINEAR ISOTROPIC *PRE PRINT,ECHO=NO,MODEL=YES,CONTACT=NO,HISTORY=YES *NODE,NSET=NALL 1, 0.0, 0.0, 0.0 2, 1.0, 0.0, 0.0 3, 1.0, 1.0, 0.0 4, 0.0, 1.0, 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=PSI241 2, 1, 2, 3, 4 *ELSET,ELSET=PSI24 PSI241, *BEAM SECTION,ELSET=PIPELINE1,SECTION=PIPE,MATERIAL=STEEL 0.3,0.01 *PIPE-SOIL INTERACTION,ELSET=PSI241 *PIPE-SOIL STIFFNESS,TYPE=LINEAR 1.0D+06,1.0D+06 *MATERIAL,NAME=STEEL *ELASTIC 2.1E11,0.3 *PLASTIC 2.0E8,0.0 *AMPLITUDE,NAME=CYCLEONE,TIME=STEP TIME 0.0, 0.0,1.0,1.0,2.0, 0.0,3.0,-1.0 4.0, 0.001 *STEP,INC=100 *STATIC 0.1,4.0,,0.1 *BOUNDARY FAR-FIELD,1,2, 0.0 NPSI11 ,2,2, 0.0 NPSI12 ,2,2, 0.0 NALL ,6,6, 0.0 *BOUNDARY,AMPLITUDE=CYCLEONE NPSI11 ,1,1,3.0E-03 NPSI12 ,1,1,3.0E-03 *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=100 *ELEMENT OUTPUT,ELSET=PSI24 S,E,EE NFORC, *NODE OUTPUT,NSET=NALL U,RF *MONITOR,NODE=1,DOF=1 *END STEP *STEP,INC=100 *STATIC 0.1,4.0,,0.1 *BOUNDARY,OP=NEW FAR-FIELD,1,2, 0.0 NPSI11 ,1,2, 0.0 *BOUNDARY,AMPLITUDE=CYCLEONE,OP=NEW NPSI11 ,6,6, 0.01D+00 *MONITOR,NODE=2,DOF=2 *END STEP *STEP,INC=100 *STATIC 0.1,4.0,,0.1 *BOUNDARY,OP=NEW FARF11 ,2,2, 0.0 FARF12 ,2,2, 0.0 NPSI11 ,1,2, 0.0 NPSI11 ,6,6, 0.0 NPSI12 ,1,2, 0.0 NPSI12 ,6,6, 0.0 *CLOAD,AMPLITUDE=CYCLEONE FARF11 ,1 ,2.0E+03 FARF12 ,1 ,2.0E+03 *MONITOR,NODE=3,DOF=1 *END STEP