*HEADING
 COLLAPSING PIPE SECTION - CPEG4R                
*NODE,NSET=REFND
 1, 
*NODE,NSET=SYM
 101,0.,-28.55
 201,0.,-30.925
 301,0.,-33.3
 401,0.,-35.675
 501,0.,-38.05
 117,0.,28.55
 217,0.,30.925
 317,0.,33.3
 417,0.,35.675
 517,0.,38.05
*NGEN,LINE=C
 101,117,1,1,,,,0.,0.,1.
 201,217,1,1,,,,0.,0.,1.
 301,317,1,1,,,,0.,0.,1.
 401,417,1,1,,,,0.,0.,1.
 501,517,1,1,,,,0.,0.,1.
*ELEMENT,TYPE=CPEG4R
 11,101,201,202,102
*ELGEN,ELSET=ALL
 11,4,100,1
 11,16,1,100
 12,16,1,100
 13,16,1,100
 14,16,1,100
*ELSET,ELSET=PRINT
 11,12,41,42,51,52,81,82
*MATERIAL,NAME=MAT
*ELASTIC
 2.08E5,.3
*PLASTIC
 316.,0.
 324.,.02
 388.,.04
 431.,.06
 464.,.08
 492.,.1
 547.,.15
 589.,.2
 624.,.25
 654.,.3
 705.,.4
 747.,.5
 784.,.6
 816.,.7
 845.,.8
 871.,.9
 895.,1.
*SOLID SECTION,MATERIAL=MAT,ELSET=ALL,REFNODE=REFND,CONTROLS=HGC
*SECTION CONTROLS,NAME=HGC,HOURGLASS=ENHANCED
*BOUNDARY
 SYM,XSYMM
 1,5
 509,2
*RESTART,WRITE,FREQUENCY=5
*STEP,NLGEOM
*STATIC,RIKS
 .01,1.,.001, , ,1,4,.03
*BOUNDARY
 1,4,4,.05
*MONITOR,NODE=1,DOF=4
*NODE PRINT,FREQUENCY=10
 U
 RF
*NODE FILE,NSET=REFND
 U,RF
*OUTPUT,FIELD
*NODE OUTPUT
 U,RF
*OUTPUT,HISTORY
*NODE OUTPUT,NSET=REFND
 U,RF
*EL PRINT,ELSET=PRINT,FREQUENCY=5
 E, 
 PE, 
 MISES,PEEQ
*EL FILE,ELSET=PRINT,FREQUENCY=5
 E,PE
 SINV, 
*OUTPUT,FIELD,FREQ=5
*ELEMENT OUTPUT
 E,PE
 PEEQ,
 SINV,
*ENERGY PRINT,FREQUENCY=2
*END STEP