*HEADING
 VIBRATION OF A CANTILEVER PLATE  2 X 4 S3R           
*NODE
1, 
41, 2.
2001 ,  , 1.
2041 , 2. , 1.
*NGEN,NSET=FIXED
1,  2001 , 1000
*NGEN,NSET=END
41, 2041 , 1000
*NFILL
FIXED,END,4,10
*ELEMENT,TYPE=S3R
1,   1,11,1011
2,  1,1011,1001
*ELGEN,ELSET=CANTLEVR
1,2,1000,500,4,10,5
2,2,1000,500,4,10,5
*MATERIAL,NAME=MAT
*ELASTIC
30E6 , 0.3
*DENSITY
0.0007324, 
*SHELL SECTION,ELSET=CANTLEVR,MATERIAL=MAT
0.01  , 3
*BOUNDARY
FIXED , 1,6
*STEP
*FREQUENCY, eigensolver=lanczos, SIM=NO
 5, , 
*MODAL FILE
*END STEP