*HEADING
 STIFFNESS PROPORTIONAL MATERIAL DAMPING TEST
 2D BEAMS - IN PLANE PULSE - ELASTIC 
*NODE
1,     0., 0.
101, 100., 0.
201,     0., 0.
301, 100., 0.
*NGEN,NSET=ALL
1,101,1
201,301,1
*ELEMENT,TYPE=B21,ELSET=BEAM
1,1,2
*ELGEN,ELSET=BEAM
1,100,1,1
*ELEMENT,TYPE=B22,ELSET=BEAM2
201,201,202, 203
*ELGEN,ELSET=BEAM2
201,50,2,2
*BEAM SECTION,SECTION=RECT,ELSET=BEAM,MATERIAL=MAT1
1.0,1.0
*BEAM SECTION,SECTION=RECT,ELSET=BEAM2,MATERIAL=MAT1
1.0,1.0
*MATERIAL,NAME=MAT1
*ELASTIC
64000.,.33
*DENSITY
1000.,
*DAMPING,BETA=1.0E-2
**
*BOUNDARY
ALL, 2, 6, 0.0
*AMPLITUDE,NAME=PULSE
 .0,  .00000,  .1,  .15644,  .2,  .30902,  .3,  .45399
 .4,  .58778,  .5,  .70711,  .6,  .80902,  .7,  .89101
 .8,  .95106,  .9,  .98769, 1.0, 1.00000, 1.1,  .98769
1.2,  .95106, 1.3,  .89101, 1.4,  .80902, 1.5,  .70711
1.6,  .58778, 1.7,  .45399, 1.8,  .30902, 1.9,  .15644
2.0, 0.00000
*NSET,NSET=NOUT,GENERATE
 1,101,10
 201,301,10
*ELSET,ELSET=EOUT,GENERATE
 1,100,9
 201,300,9
**
*ELSET,ELSET=QA_TEST_EOUT
EOUT,
*NSET,NSET=QA_TEST_NOUT
NOUT,
**
*STEP
*DYNAMIC,EXPLICIT
,400.0
*CLOAD,AMPLITUDE=PULSE
1,1,1,10.0
201,1,1,10.0
*BULK VISCOSITY
0.0,0.0
**
*FILE OUTPUT,NUMBER=2,TIMEMARKS=YES
*EL FILE,ELSET=EOUT
 S,
*NODE FILE,NSET=NOUT
 U,
**
*OUTPUT, FIELD, NUMBER INTERVAL=2, TIMEMARKS=YES
*ELEMENT OUTPUT, ELSET=QA_TEST_EOUT
 S,
*NODE OUTPUT, NSET=QA_TEST_NOUT
 U,
*OUTPUT,FIELD,VARIABLE=PRESELECT
*OUTPUT,HISTORY,VARIABLE=PRESELECT,TIMEINT=200
***OUTPUT,HISTORY,VARIABLE=PRESELECT
*END STEP