*HEADING
VERTICAL PULSE LOADING, WITHOUT QUIET BOUND, 16X16 CPE4R
*NODE
1,0.,0.
801,2e-3,0.
17,0.,-2e-3
817,2e-3,-2e-3
*NGEN,NSET=LHS
1,17
*NGEN,NSET=RHS
801,817
*NFILL
LHS,RHS,16,50
*NSET,NSET=FILEN
13, 103, 601
*ELEMENT,TYPE=CPE4R,ELSET=FE
1,2,52,51,1
*ELGEN,ELSET=FE
1,16,1,1,16,50,16
*ELSET, ELSET=LOAD,GEN
1,81,16
*SOLID SECTION,ELSET=FE,MATERIAL=MAT1
*MATERIAL,NAME=MAT1
*ELASTIC
7.3E10,.33
*DENSITY
2842.0, 
*BOUNDARY
LHS,1
*AMPLITUDE,NAME=PULSE
0,0,1e-7,1,2e-7,0
**
*STEP,INC=400
*DYNAMIC,NOHAF,DIRECT
8e-9,1.5e-6
*DLOAD,AMPLITUDE=PULSE
LOAD,p3,1e+9
*OUTPUT,FIELD
*NODE OUTPUT
U,V,A
*OUTPUT,HISTORY
*NODE OUTPUT,NSET=FILEN
U,V,A
*NODE FILE, FREQUENCY=1000, NSET=FILEN
U
*END STEP