*HEADING
3D I-BEAM LOADED IN TORSION
*PREPRINT
*NODE,NSET=NALL
1,-5.7735,-5.7735,-5.7735,-5.7735,5.7735,0.
2,  5.7735, 5.7735, 5.7735,-5.7735,5.7735,0.
*ELEMENT,TYPE=B31,ELSET=EL
1,1,2
*TRANSFORM,NSET=NALL
5.7735,5.7735,5.7735,-5.7735,5.7735,0.
*BEAM SECTION, MATERIAL=ELASTIC,SECTION=I,ELSET=EL
0.1,1.0,0.5,0.5,0.1,0.1,0.1
*MATERIAL, NAME=ELASTIC
*ELASTIC,TYPE=ISOTROPIC
2.0E11,0.3
*DENSITY
7.8E3, 
*AMPLITUDE,NAME=SMOOTH, DEFINITION=SMOOTH STEP
0.0,0.0,0.2,1.0
*ELSET,ELSET=QA_TEST_All_ELSETS_AUTO
EL, EL,
*NSET,NSET=QA_TEST_All_NSETS_AUTO
NALL, NALL,
*STEP
*DYNAMIC,EXPLICIT,FIXED
 ,0.2
*BULK VISCOSITY
0., 
*BOUNDARY,AMPLITUDE=SMOOTH
 1,4,4,-0.01
 2,4,4, 0.01
 NALL,1,3
 NALL,5,6
*MONITOR,DOF=1,NODE=1
***OUTPUT,HISTORY,TIME INTERVAL=0.
***NODE OUTPUT,NSET=NALL
**U,UR1,UR2,UR3
***ELEMENT OUTPUT,ELSET=EL
**SE,SF,ERV
***ENERGY OUTPUT
**ALLKE,ALLIE,ALLWK,ALLVD,ETOTAL
*FILE OUTPUT, NUMBER=4,TIMEMARKS=YES
*NODE FILE
U,
*ENERGY FILE
*OUTPUT,FIELD,VARIABLE=PRESELECT,NUMBER INTERVAL=4,OP=NEW
*OUTPUT,HISTORY,VARIABLE=PRESELECT,TIME INTERVAL=0.025,OP=NEW
*OUTPUT, FIELD, NUMBER=4,TIMEMARKS=YES
*NODE OUTPUT,NSET=QA_TEST_All_NSETS_AUTO
U,
*END STEP
*STEP
*DYNAMIC,EXPLICIT,FIXED
 ,0.1
*BOUNDARY,OP=NEW
 NALL,1,3
 NALL,5,6
*MONITOR,DOF=1,NODE=1
*END STEP
*STEP
*DYNAMIC,EXPLICIT,FIXED
 ,0.2
**
** Return BULK VISCOSITY to default value
**
*BULK VISCOSITY
 0.06, 
*MONITOR,DOF=1,NODE=1
*END STEP