*HEADING
3D BEAM WITH PIPE SECTION LOADED IN TRANSVERSE SHEAR
*PREPRINT
*NODE,NSET=NALL
1,-5.7735,-5.7735,-5.7735, -.57735,.57735,0.
2, 5.7735, 5.7735, 5.7735, -.57735,.57735,0.
*ELEMENT,TYPE=PIPE31,ELSET=EL
1,1,2
*BEAM SECTION, MATERIAL=ELASTIC,SECTION=PIPE,ELSET=EL
1.0,0.1
*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
**
*NSET, NSET=QA_TEST_ALLNODES
NALL, 
**
*STEP
*DYNAMIC,EXPLICIT,FIXED
 ,0.2
*BULK VISCOSITY
0., 
*BOUNDARY,AMPLITUDE=SMOOTH
 1,3,3,-.017303
 2,3,3, .017303
 NALL,1,2
 NALL,4,6
*MONITOR,DOF=1,NODE=1
***OUTPUT,HISTORY,TIME INTERVAL=0.
***NODE OUTPUT,NSET=NALL
**U,
***ELEMENT OUTPUT,ELSET=EL
**SE,SF,ERV
***ENERGY OUTPUT
**ALLIE,ALLWK,ALLVD,ETOTAL,ALLKE
*FILE OUTPUT, NUMBER=4,TIMEMARKS=YES
*NODE FILE
U,
*ENERGY FILE
*OUTPUT, FIELD, NUMBER INTERVAL=4, TIMEMARKS=YES
*NODE OUTPUT, NSET=QA_TEST_ALLNODES
U,
*OUTPUT,FIELD,VARIABLE=PRESELECT
*OUTPUT,HISTORY,VARIABLE=PRESELECT,TIMEINT=0.05
*END STEP
*STEP
*DYNAMIC,EXPLICIT,FIXED
 ,0.2
*BOUNDARY,OP=NEW
 NALL,1,2
 NALL,4,6
*MONITOR,DOF=1,NODE=1
*FILE OUTPUT, NUMBER=4,TIMEMARKS=YES
*NODE FILE
U,
*ENERGY FILE
*OUTPUT, FIELD, NUMBER INTERVAL=4, TIMEMARKS=YES
*NODE OUTPUT, NSET=QA_TEST_ALLNODES
U,
*OUTPUT,FIELD,VARIABLE=PRESELECT
*OUTPUT,HISTORY,VARIABLE=PRESELECT,TIMEINT=0.05
*END STEP
*STEP
*DYNAMIC,EXPLICIT,FIXED
 ,0.8
**
** Return BULK VISCOSITY to default value
**
*BULK VISCOSITY
 0.06, 
*MONITOR,DOF=1,NODE=1
*FILE OUTPUT, NUMBER=4,TIMEMARKS=YES
*NODE FILE
U,
*ENERGY FILE
*OUTPUT, FIELD, NUMBER INTERVAL=4, TIMEMARKS=YES
*NODE OUTPUT, NSET=QA_TEST_ALLNODES
U,
*OUTPUT,FIELD,VARIABLE=PRESELECT
*OUTPUT,HISTORY,VARIABLE=PRESELECT,TIMEINT=0.2
*END STEP