*HEADING
** ramping initial stress for beam element
** results compared to no-ramping initial stress 
*PREPRINT
*NODE,NSET=NALL
1,  0.,   0.,   0.
2,  .5,  0.5,   0.
11,  0.,   0.,   1.
12,  .5,  0.5,   1.
*ELEMENT,TYPE=B31,ELSET=EL
1,1,2
2,11,12
*Elset, elset=E1
 1
*Elset, elset=E2
 2
*Beam Section, elset = E1, material = STEEL, temperature = GRADIENTS, section = ARBITRARY, controls=sc1-rampStress  
5,-0.2000,0.1000,-0.2000,-0.1000,0.0120
-0.2000,0,0
0.2000,0,0.0100
0.2000,0.1000,0
0.2000,-0.1000,0.013001
0.0000,0.0000,1.0000
*Beam Section, elset = E2, material = STEEL, temperature = GRADIENTS, section = ARBITRARY
5,-0.2000,0.1000,-0.2000,-0.1000,0.0120
-0.2000,0,0
0.2000,0,0.0100
0.2000,0.1000,0
0.2000,-0.1000,0.013001
0.0000,0.0000,1.0000
*SECTION CONTROLS,NAME=sc1-rampStress,RAMP INITIAL STRESS=RampStress
,,,
*MATERIAL, NAME=STEEL
*ELASTIC
1.0E05,0.3
*DENSITY
100.0, 
*INITIAL CONDITION, TYPE=stress
1, 1.e4
2, 1.e4
*AMPLITUDE, NAME = RampStress, time=total time
0.0, 0.0,      0.1, 1.0,       1., 1.0
*NSET, NSET=QA_TEST-ramp
1,
*ELSET, ELSET=QA_TEST-ramp
1,
*NSET, NSET=QA_TEST-noramp
11,
*ELSET, ELSET=QA_TEST-noramp
2,
*STEP
*DYNAMIC,EXPLICIT
 , 1.
*BULK VISCOSITY
0.06, 1.2 
** 
** OUTPUT REQUESTS
** 
*OUTPUT, FIELD, NUMBER INTERVAL=20
*element output
S,LE,EDT,ER
*NODE OUTPUT
U, V, A
*Output, field, NUMBER INTERVAL=20
*ELEMENT OUTPUT, ELSET=QA_TEST-ramp
S,
*NODE OUTPUT, NSET=QA_TEST-ramp
U,
** 
** HISTORY OUTPUT: H-Output-1
** 
*Output, history, variable=PRESELECT, FREQ = 1
*Node Output, nset = QA_TEST-ramp
U
*ELEMENT OUTPUT, ELSET=QA_TEST-ramp
S,
*Output, history, variable=PRESELECT, FREQ = 1
*Node Output, nset = QA_TEST-noramp
U
*ELEMENT OUTPUT, ELSET=QA_TEST-noramp
S,
*OUTPUT,HISTORY, FREQ=1
*Energy Output, per element set, var=preselect
*END STEP