*HEADING
fv13t_s4r_f_band: NAFEMS FORCED VIBRATION; TEST 13T; [S4R]
(DIRECT INTEGRATION WITH BAND-LIMITED DAMPING)
*RESTART,WRITE,NUM=2, TIMEMARKS=NO
*NODE
1, 0.
7, 10.
61, 0., 10.
67, 10.,10.
*NGEN,NSET=BOT
1,7
*NGEN,NSET=TOP
61,67
*NFILL,NSET=NALL
BOT,TOP,6,10
*NSET,NSET=LEFT,GEN
1,31,10
*NSET,NSET=EDGE
BOT,LEFT
*NSET,NSET=NMID
34, 
*NSET,NSET=SIDEX,GENE
4,34,10
*NSET,NSET=SIDEY,GENE
31,34,1
*ELEMENT,TYPE=S4R
1, 1,2,12,11
*ELGEN,ELSET=ALLE
1, 3,1,1, 3,10,3
*ELSET,ELSET=EMID
9, 
*SHELL SECTION,MATERIAL=MAT,ELSET=ALLE, POISSON=0.3
0.05, 
*MATERIAL,NAME=MAT
*DENSITY
8000.,
*ELASTIC
200.E9,0.3
*DAMPING,ALPHA=0.299,BAND LIMITED=0.01, LOW FREQUENCY CUTOFF =1.5, HIGH FREQUENCY CUTOFF=10
*BOUNDARY
NALL,1,2
NALL,6
EDGE,1,3
BOT,5
LEFT,4
SIDEX,XSYMM
SIDEY,YSYMM
**
** Transient Load
** --------------
**
*STEP
*DYNAMIC,EXPLICIT
 ,0.5
*DLOAD
ALLE,P,100.
***OUTPUT,HISTORY,TIME INTERVAL=0.005
***NODE OUTPUT,NSET=NMID
**U3,
***ELEMENT OUTPUT,ELSET=EMID
**S11,
***ENERGY OUTPUT
**ALLWK,ALLIE,ALLKE,ALLAE,ALLVD,ETOTAL
*OUTPUT,FIELD,VAR=PRESELECT,NUMBER INTERVAL=5
**
** Output requests for qa testing
**
*NSET,NSET=QA_TEST
SIDEX,
*OUTPUT,FIELD,NUMBER INTERVAL=4,TIMEMARKS=YES
*NODE OUTPUT, NSET=QA_TEST
U,
*OUTPUT,HISTORY,VAR=PRESELECT,TIME INTERVAL=0.125
*ENDSTEP
**
** Increase the time period to find steady state
**
*STEP
*DYNAMIC,EXPLICIT
**,23.0
,5.0
*DLOAD
ALLE,P,100.
*ENDSTEP