** Mass scaling verification: Test of *VARIABLE MASS SCALING, TYPE=SETEQUALDT
**
*HEADING
*RESTART,WRITE	
*NODE,NSET=NALL
1,   0.0, 5.
2,   2.0, 5.
3,   2.0, 8.
4,   0.0, 8.
101, 10.0, 5.
102, 12.0, 5.
103, 12.0, 8.
104, 10.0, 8.
11,  0.0, 0.
12,  2.0, 0.
13,  2.0, 3.
14,  0.0, 3.
111, 10.0, 0.
112, 12.0, 0.
113, 12.0, 3.
114, 10.0, 3.
*NSET,NSET=DISP
2,102,12,112
*NSET,NSET=FIXED
1,101,11,111
*ELEMENT,TYPE=CPE3,ELSET=REFA
1, 1,2,3
2, 1,3,4
*ELEMENT,TYPE=CPS3,ELSET=REFB
101, 101,102,103
102, 101,103,104
*ELEMENT,TYPE=CPE3,ELSET=TESTA
11, 11,12,13
12, 11,13,14
*ELEMENT,TYPE=CPS3,ELSET=TESTB
111, 111,112,113
112, 111,113,114
*ELSET,ELSET=EALL
REFA,REFB,TESTA,TESTB
*SOLID SECTION,ELSET=REFA,MATERIAL=REFA
*SOLID SECTION,ELSET=REFB,MATERIAL=REFB
0.5, 
*SOLID SECTION,ELSET=TESTA,MATERIAL=TESTA
*SOLID SECTION,ELSET=TESTB,MATERIAL=TESTB
0.5, 
*MATERIAL,NAME=REFA
*ELASTIC
1.E6, .2
*DENSITY
1.E-4, 
*MATERIAL,NAME=REFB
*ELASTIC
1.E6, .2
*DENSITY
1.E-4, 
*MATERIAL,NAME=TESTA
*ELASTIC
1.E6, .2
*DENSITY
4.E-4, 
*MATERIAL,NAME=TESTB
*ELASTIC
1.E6, .2
*DENSITY
2.5e-5, 
*BOUNDARY
FIXED,1,2
DISP,2
*AMPLITUDE,NAME=SMOOTH,DEFINITION=SMOOTH STEP
0.,0.,  .00015, 1.
*NSET,NSET=QA_TEST_FIXED
FIXED,
**
*STEP
*DYNAMIC,EXPLICIT
,.00015
*VARIABLE MASS SCALING,TYPE=SET EQUAL DT,DT=1.213984E-05,ELSET=TESTA,FREQUENCY=2
*VARIABLE MASS SCALING,TYPE=SET EQUAL DT,DT=1.213984E-05,ELSET=TESTB,FREQUENCY=2
*BOUNDARY,AMP=SMOOTH
DISP, 1,1, .00075
*RESTART,WRITE,NUMBER INTERVAL= 20
*FILE OUTPUT,NUMBER INTERVAL=4,TIMEMARKS=YES
*NODE FILE, NSET=FIXED
RF,
*ENERGY FILE
***EL FILE
**EMSF, EDT
***OUTPUT,HISTORY,TIME INTERVAL=0.
***NODE OUTPUT,NSET=FIXED
**RF,
*OUTPUT, FIELD, NUMBER INTERVAL=4, TIMEMARKS=YES
*NODE OUTPUT, NSET=QA_TEST_FIXED
RF,
*OUTPUT,FIELD,VARIABLE=PRESELECT
*OUTPUT,HISTORY,VARIABLE=PRESELECT,TIMEINT=3.75E-05
*END STEP