*HEADING
TEST FOR CONNECTOR UNIAXIAL BEHAVIOR 
Damage in compression and permanent deformation in tension.
The force-displacement curves shows the loading/unloading behavior. 
*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=mixed
1,1,2
*CONNECTOR SECTION,ELSET=mixed,BEHAVIOR=mixed
AXIAL,
ORIGLOB,
**
*CONNECTOR BEHAVIOR,NAME=mixed
**, integration=explicit
*connector uniaxial behavior, component=1
*loading data, direction=tension, type=Damage, extrapolation=linear, damage onset=0.35
0,  0  
50, 0.1
80, 0.2
100, 0.3
110, 0.4
115, 0.5
*unloading data, definition=quadratic
0.25
***loading data, direction=compression, type=Damage, extrapolation=linear
**0,  0  
**5, 0.1
**10, 0.2
**15, 0.3
**20, 0.4
**25, 0.5
***unloading data, definition=quadratic
**0.25
*loading data, direction=compression, type=Permanent Deform, extrapolation=linear, yield onset=0.35
0,  0  
50, 0.1
80, 0.2
100, 0.3
110, 0.4
115, 0.5
*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-3
*NSET,NSET=QA_TEST_NALL3D
NALL3D,
*ELSET, ELSET=QA_TEST_UNI
mixed
*NSET, NSET=LOAD
2
**------------------------------------------------
*STEP,NLGEOM=YES
*DYNAMIC, EXP, DIRECT USER CONTROL
0.005,100.0
*amplitude, name=ramp1, definition=smooth
0,0,100,1
*cload, amplitude=ramp1
LOAD,1,100.
*OUTPUT,HISTORY, TIME INTERVAL=0.1
*ELEMENT OUTPUT,ELSET=QA_TEST_UNI
CTF1,CUF1,CU1
*ENERGY OUTPUT, VARIABLE=ALL
*OUTPUT, FIELD
*NODE OUTPUT, NSET=QA_TEST_NALL3D
U,
*ENDSTEP
*STEP,NLGEOM=YES
*DYNAMIC, EXP, DIRECT USER CONTROL
0.005,100.0
*amplitude, name=ramp2, definition=smooth
0,1,100,0
*cload, amplitude=ramp2
LOAD,1,100.
*END STEP
*STEP,NLGEOM=YES
*DYNAMIC, EXP, DIRECT USER CONTROL
0.005,100.0
*amplitude, name=ramp3, definition=smooth
0,0,100,1
*cload, amplitude=ramp3
LOAD,1,125.
*END STEP
*STEP,NLGEOM=YES
*DYNAMIC, EXP, DIRECT USER CONTROL
0.005,100.0
*amplitude, name=ramp4, definition=smooth
0,1,100,0
*cload, amplitude=ramp4
LOAD,1,125.
*END STEP
*STEP,NLGEOM=YES
*DYNAMIC, EXP, DIRECT USER CONTROL
0.005,100.0
*amplitude, name=ramp5, definition=smooth
0,0,100,1
*cload, amplitude=ramp5
2,1,-100.
*ENDSTEP
*STEP,NLGEOM=YES
*DYNAMIC, EXP, DIRECT USER CONTROL
0.005,100.0
*amplitude, name=ramp6, definition=smooth
0,1,100,0
*cload, amplitude=ramp6
2,1,-100.
*END STEP
*STEP,NLGEOM=YES
*DYNAMIC, EXP, DIRECT USER CONTROL
0.005,100.0
*amplitude, name=ramp7, definition=smooth
0,0,100,1
*cload, amplitude=ramp7
2,1,-125.
*END STEP
*STEP,NLGEOM=YES
*DYNAMIC, EXP, DIRECT USER CONTROL
0.005,100.0
*amplitude, name=ramp8, definition=smooth
0,1,100,0
*cload, amplitude=ramp8
2,1,-125.
*END STEP