** Mass scaling verification: Test of *FIXED MASS SCALING, TYPE=UNIFORM, FACTOR
**
*HEADING
*RESTART,WRITE
*NODE,NSET=NALL
*NSET,NSET=DISP
*NSET,NSET=FIXED
*NSET,NSET=ROLLER2
*NSET,NSET=ROLLER3
*ELEMENT,TYPE=C3D4,ELSET=REFA
*ELEMENT,TYPE=M3D3,ELSET=REFB
*ELEMENT,TYPE=C3D4,ELSET=TESTA
*ELEMENT,TYPE=M3D3,ELSET=TESTB
*ELSET,ELSET=TEST
TESTA,TESTB
*ELSET,ELSET=EALL
REFA,REFB,TESTA,TESTB
*SOLID SECTION,ELSET=REFA,MATERIAL=REFA
*MEMBRANE  SECTION,ELSET=REFB,MATERIAL=REFB
0.5,
*SOLID SECTION,ELSET=TESTA,MATERIAL=TESTA
*MEMBRANE SECTION,ELSET=TESTB,MATERIAL=TESTB
0.5,
*MATERIAL,NAME=REFA
*ELASTIC
1.E6, .2
*DENSITY
5.0E-3,
*MATERIAL,NAME=REFB
*ELASTIC
5.E6, .2
*DENSITY
1.E-3,
*MATERIAL,NAME=TESTA
*ELASTIC
1.E6, .2
*DENSITY
1.25E-3,
*MATERIAL,NAME=TESTB
*ELASTIC
5.E6, .2
*DENSITY
6.25E-5,
*BOUNDARY
FIXED,1,2
ROLLER2,2
ROLLER3,3
*AMPLITUDE,NAME=SMOOTH,DEFINITION=SMOOTH STEP
0.,0.,  .00015, 1.
*NSET,NSET=QA_TEST_FIXED
FIXED,
**
*STEP
*DYNAMIC,EXPLICIT
,.00015
*FIXED MASS SCALING,TYPE=UNIFORM,DT=1.716834E-05,FACTOR=4,ELSET=TEST
*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