*HEADING
*NODE
 1,
 2, 0.,3.
 4,10.,
 3,10.,3.
*NSET,NSET=NL
 1,4
*NSET,NSET=NR
 2,3
*NSET,NSET=NALL
 NL,NR
*ELEMENT,TYPE=S4R,ELSET=EALL
 1,1,2,3,4
*SHELL SECTION,ELSET=EALL,MATERIAL=MAT1
 .001,3
*MATERIAL,NAME=MAT1
*ELASTIC
 1.E6,0.3
*BOUNDARY
 NL,1,6
*SUBMODEL,ABS=0.01
 NR,
*STEP,NLGEOM
*STATIC
 0.25,1.0,0.25,0.25
*BOUNDARY,SUBMODEL,STEP=1
 NR,4,6
*NODE FILE,FREQ=1
 U,
*NODE PRINT,NSET=NR,SUMM=NO
 U,
*END STEP