*HEADING
 TEST OF *IMPERFECTION, SUPERPOSITION OF MODE SHAPES (INIT GEOM)           
*NODE
 701, 5.0, 10.0, 0.0
 710, 0.0, 10.0, 5.0
 101, 5.0,  0.0, 0.0
 110, 0.0,  0.0, 5.0
*NGEN, LINE=C, NSET=BASE
 101,110,1,,0.0,0.0,0.0
*NGEN, LINE=C, NSET=TOP
 701,710,1,,0.0,10.0,0.0
*NFILL,NSET=NALL
 BASE,TOP,6,100
*NSET,NSET=EDGE1,GENERATE
 101,701,100
*NSET,NSET=EDGE2,GENERATE
 110,710,100
*ELEMENT, TYPE=S4R
 1,101,201,202,102
*ELGEN, ELSET=EALL
 1,9,1,1,6,100,10
*SHELL SECTION,ELSET=EALL,MATERIAL=MAT
 .25, 
*TRANSFORM,TYPE=C,NSET=NALL
 0.,0.,0., 0.,1.,0.
*MATERIAL,NAME=MAT
*ELASTIC
 30.E6,.3
*DENSITY
 1.0, 
*RESTART,WRITE
*BOUNDARY
 EDGE1,YSYMM
 EDGE2,YSYMM
 TOP, ENCASTRE
 BASE,ENCASTRE
*STEP
*FREQUENCY, eigensolver=lanczos
 4, , 
*FILE FORMAT,ASCII
*NODE PRINT, NSET=NALL, GLOBAL=YES
 U, 
*EL PRINT, FREQ=0
 S, 
*NODE FILE, NSET=NALL
 U, 
*NODE FILE, NSET=TOP
 U, 
*NODE FILE, NSET=BASE
 U, 
*END STEP