** Mass scaling verification: Test of NUMBER INTERVAL parameter on
**                            *VARIABLE MASS SCALING
*HEADING
*RESTART,WRITE	
*NODE,NSET=NALL
1,   0.0, 0.
2,   2.0, 0.
3,   5.0, 0.
4,   0.0, 1.
5,   2.0, 1.
6,   5.0, 1.
7,   0.0, 2.
8,   2.0, 2.
9,   5.0, 2.
*NSET,NSET=DISP
3,6,9
*NSET,NSET=BOT
1,2,3
*NSET,NSET=LEFT
1,4,7
*ELEMENT,TYPE=CPE4R,ELSET=SCALE
1, 1,2,5,4
2, 2,3,6,5
3, 4,5,8,7
4, 5,6,9,8
*ELSET,ELSET=EOUT
1, 
*SOLID SECTION,ELSET=SCALE,MATERIAL=SCALE
0.5, 
*MATERIAL,NAME=SCALE
*ELASTIC
1.E6, .2
*DENSITY
5.E-4, 
*BOUNDARY
BOT,2
LEFT,1
*AMPLITUDE,NAME=SMOOTH,DEFINITION=SMOOTH STEP
0.,0.,  .001, 1.
**
*ELSET,ELSET=QA_TEST_ALLELEMS
SCALE,
**
*NSET, NSET=QA_TEST_ALLNODES
DISP, BOT, LEFT
**
*NSET,NSET=QA_TEST_DISP
DISP,
**
*STEP
*DYNAMIC,EXPLICIT
,.001
*VARIABLE MASS SCALING,TYPE=BELOW MIN,DT=2.0E-5,ELSET=SCALE,NUMBER INTERVAL=5
*BOUNDARY,AMP=SMOOTH
DISP, 1,1, 2.0
**DISP, 1,1, 150.0
***OUTPUT,HISTORY,TIME INTERVAL=0.0
***ELEMENT OUTPUT,ELSET=EOUT
**EDT,EMSF
***ENERGY OUTPUT
*FILE OUTPUT,NUMBER INTERVAL=4,TIMEMARKS=YES
*NODE FILE, NSET=DISP
RF,
** RF not expected to be noisy
*ENERGY FILE
*EL FILE
EMSF, EDT
** EMSF, EDT not expected to be noisy
*OUTPUT, FIELD, NUMBER INTERVAL=4, TIMEMARKS=YES
*NODE OUTPUT, NSET=QA_TEST_DISP
RF,
*ELEMENT OUTPUT, ELSET=QA_TEST_ALLELEMS
EMSF, EDT
*OUTPUT,FIELD,VARIABLE=PRESELECT
*OUTPUT,HISTORY,VARIABLE=PRESELECT,TIMEINT=0.00025
*END STEP