*Heading
Test for rate dependent uniaxial behavior.
The loading/unloading traces the rate dependent curves
according to the applies loading rate.
*preprint, model=yes
*NODE,NSET=NALL3D
1,0.,0.,0.
2,10.,0.,0.
*ORIENTATION,SYS=RECT,NAME=ORIGLOB
1.,0.,0.,0.,1.,0.
3,0.
*ELEMENT,TYPE=CONN3D2,ELSET=TESTTF
1,1,2
*CONNECTOR SECTION,ELSET=TESTTF,BEHAVIOR=TBTF
AXIAL,
ORIGLOB,
**
*CONNECTOR BEHAVIOR,NAME=TBTF
**, integration=explicit
***connector constitutive reference
**1.25
*connector uniaxial behavior, component=1
*loading data, direction=tension, type=elastic, rate dependent
0.01,0.005,2
 0,  0 , 0.
400, 4.0, 0.
 0,  0 , 0.125
450, 4.0, 0.125
** 0,  0 , 0.25
**500, 4.0, 0.25
 0,  0 , 0.375
550, 4.0, 0.375
** 0,  0 , 0.5
**600, 4.0, 0.5
 0,  0 , 0.625
650, 4.0, 0.625
** 0,  0 , 0.75
**700, 4.0, 0.75
 0,  0 , 0.875
750, 4.0, 0.875
 0,  0 , 1
800, 4.0, 1
*unloading data, definition=interpolated curve, rate dependent
 0,  0 , 0.
400, 4.0, 0.
 0,  0 , 0.125
375, 4.0, 0.125
** 0,  0 , 0.25
**350, 4.0, 0.25
 0,  0 , 0.375
325, 4.0, 0.375
** 0,  0 , 0.5
**300, 4.0, 0.5
 0,  0 , 0.625
275, 4.0, 0.625
** 0,  0 , 0.75
**250, 4.0, 0.75
 0,  0 , 0.875
225, 4.0, 0.875
 0,  0 , 1
200, 4.0, 1
*loading data, direction=compression, type=permanent Deform, extrapolation=linear
 0,  0 
400, 1.0
600, 4.0
*unloading data, definition=quadratic
0.6, 0.4
**
*BOUNDARY
1,1,6
2,2,6
*ELEMENT, TYPE=MASS, ELSET=MASS
4001, 1
4002, 2
*MASS, ELSET=MASS
1.E-1
*NSET,NSET=QA_TEST_NALL3D
NALL3D,
**------------------------------------------------
*STEP,NLGEOM=YES
*DYNAMIC, EXP, DIRECT USER CONTROL
1.e-4,1.
*boundary, type=velocity
2,1,1,0.25
*OUTPUT,HISTORY, freq=10
*ELEMENT OUTPUT,ELSET=TESTTF
CTF1,CUF1,CU1
*OUTPUT, FIELD, NUMBER INTERVAL=1
*NODE OUTPUT, NSET=QA_TEST_NALL3D
U,
*OUTPUT,HISTORY,VARIABLE=PRESELECT, freq=10
***OUTPUT,HISTORY,VARIABLE=PRESELECT
*ENDSTEP
*STEP,NLGEOM=YES
*DYNAMIC, EXP, DIRECT USER CONTROL
1.e-4,1.0
*boundary, type=velocity
2,1,1,.5
*END STEP
*STEP,NLGEOM=YES
*DYNAMIC, EXP, DIRECT USER CONTROL
1.e-4,1.0
*boundary, type=velocity
2,1,1,.75
*END STEP
*STEP,NLGEOM=YES
*DYNAMIC, EXP, DIRECT USER CONTROL
1.e-4,1.0
*boundary, type=velocity
2,1,1,1.0
*END STEP
*STEP,NLGEOM=YES
*DYNAMIC, EXP, DIRECT USER CONTROL
1.e-4,1.0
*boundary, type=velocity
2,1,1,-0.25
*END STEP
*STEP,NLGEOM=YES
*DYNAMIC, EXP, DIRECT USER CONTROL
1.e-4,1.0
*boundary, type=velocity
**2,1,1,0.0
2,1,1,-0.5
*END STEP
*STEP,NLGEOM=YES
*DYNAMIC, EXP, DIRECT USER CONTROL
1.e-4,1.0
*boundary, type=velocity
**2,1,1,0.0
2,1,1,-0.75
*END STEP
*STEP,NLGEOM=YES
*DYNAMIC, EXP, DIRECT USER CONTROL
1.e-4,1.0
*boundary, type=velocity
**2,1,1,0.0
2,1,1,-1.0
*END STEP