** connector friction tests for CARTESIAN + FLEXION-TORSION
**   CUSTOMIZED + PRESTRESS
** the f1 and f2 factors are computed in the same fashion as for CYLINDRICAL
**------------------------------------------------
*preprint,model=yes
*parameter 
dR  = 1.0
dL  = 0.55
f1  = 1.0
f2  = 2.0/dL
**------------------------------------------------
*Node,nset = all
101,1,0,0
102,1,0,0
*orientation,name=global
1,0,0, 0,1,0
3,0.0
**-------------------------------------------------
*element,type=mass,elset=mass
10001,101
10002,102
*mass,elset=mass
1.0,
*element,type=rotaryI,elset=rotaryI
110001,101
110002,102
*rotary inertia,elset=rotaryI
1.0,1.1,1.2
**-------------------------------------------------
*element,type=conn3d2,elset=bushCustom
1001,101,102
*connector section,elset=bushCustom,behavior=fricCustom
cartesian,cardan
global,global
**-------
*connector behavior,name=fricCustom
*connector elastic,comp=1
1.0,
*connector elastic,comp=2
10.0,
*connector elastic,comp=3
10.0,
*connector elastic,comp=4
1.0,
*connector elastic,comp=5
12.0,
*connector elastic,comp=6
12.0,
*connector derived component, name=norm2356
2,3
<f1>,<f1>
*connector derived component, name=norm2356
5,6
<f2>,<f2>
*connector friction,contact force=norm2356, indep=const
1
1.25,0.0
1.26,0.45
*connector potential
1,
2,
3,
4,<dR>
5,<dR>
6,<dR>
*friction,elastic slip=1.e-4
0.15,
**--------------------------------------------------
*boundary
101,1,6
*elset,elset=conn
 bushCustom,
*amplitude,name=step
0,1,1,1
*amplitude,name=backforth
0,0, 0.2,1.0, 1.0,0.0
**--------------------------------------------------
*step,nlgeom,unsym=yes
*static
0.1,1.0,0.1,0.1
*cload
102,1,10.0
102,2,11.0
102,4,12.0
102,5,1.0
*boundary,amplit=backforth
102,1,1,1.0
102,2,2,1.0
102,3,3,1.0
102,4,4,1.0
102,5,5,1.0
102,6,6,1.0
*OUTPUT, FIELD, FREQ=0
*OUTPUT,HISTORY
*NODE OUTPUT,nset=all
U,
*ELEMENT OUTPUT,elset=conn
CU,CASU,CEF,CSF,CTF,CNF,CSF
*el file, elset=conn,freq=100
CU,CASU,CEF,CSF,CTF,CNF,CSF
*el print,freq=100,sum=no, tot=no,elset=conn
CU,
CASU,
CEF,
CTF,
CNF,
CSF,
CIVC,
*node print,freq=100
u,
rf,
*end step
**--------------------------------------------------
*step
*frequency
6,,,-1
*boundary, op=new
101,1,6
*OUTPUT, FIELD
*NODE OUTPUT
U,
*el print,sum=no,tot=no,elset=conn
CU,
CSF,
CNF,
*el file,elset=conn
CU,CSF,CNF
*end step
***
**--------------------------------------------------
*step
*STEADY STATE DYNAMICS
20,
*cload,load case=1
102,1,10
*cload,load case=2
102,1,25
*OUTPUT, FIELD, FREQ=0
*OUTPUT,HISTORY
*NODE OUTPUT,nset=all
U1,
*ELEMENT OUTPUT,elset=conn
CU1,CEF1,CSF1,CTF1,CSFC,CNFC
*node print,sum=no,tot=no
u1,rf1,
*el print,sum=no,tot=no,elset=conn
CU1,CEF1,CSF1,CTF1,CSFC,CNFC
PHCU1,PHCEF1,PHCSF1,PHCTF1,PHCSFC,PHCNFC
*el file,elset=conn
CSF,CNF
PHCSF,PHCNF
*end step
**--------------------------------------------------
*step,nlgeom,unsym=yes
*static
0.1,1.0,0.1,0.1
*boundary, op=new
101,1,6
*connector load
1001,1,1.0
1001,2,1.0
1001,3,1.0
1001,4,1.0
1001,5,1.0
1001,6,1.0
*OUTPUT, FIELD, FREQ=0
*OUTPUT,HISTORY
*NODE OUTPUT,nset=all
U,
*ELEMENT OUTPUT,elset=conn
CU,CASU,CEF,CSF,CTF,CNF,CSF
*el file, elset=conn,freq=100
CU,CASU,CEF,CSF,CTF,CNF,CSF
*el print,freq=100,sum=no, tot=no,elset=conn
CU,
CASU,
CEF,
CTF,
CNF,
CSF,
CIVC,
*node print,freq=100
u,
rf,
*end step
**--------------------------------------------------
*step,nlgeom,unsym=yes
*dynamic
0.1,1.0,0.1,0.1
*boundary, op=new
101,1,6
*cload
102,1,10.0
102,2,11.0
102,4,12.0
102,5,1.0
*connector load
1001,1,3.0
1001,2,3.0
1001,3,3.0
1001,4,3.0
1001,5,3.0
1001,6,3.0
*OUTPUT, FIELD, FREQ=0
*OUTPUT,HISTORY,FREQ=1
*NODE OUTPUT,nset=all
U,
*ELEMENT OUTPUT,elset=conn
CU,CASU,CEF,CSF,CTF,CNF,CSF
*el file, elset=conn,freq=100
CU,CASU,CEF,CSF,CTF,CNF,CSF
*el print,freq=100,sum=no, tot=no,elset=conn
CU,
CASU,
CEF,
CTF,
CNF,
CSF,
CIVC,
*node print,freq=100
u,
rf,
*end step
**--------------------------------------------------