*HEADING
Pre-tension Section Test []
Procedures Tested: Static, Frequency, Steady-state dynamics
Elements Tested: T2D2
**
*NODE
 1, 
 14,100.
 1001,0.
*NGEN,NSET=NALL
 1,14
*ELEMENT,TYPE=T2D2
 1,1,2
*ELGEN,ELSET=EALL
 1,13
*MATERIAL,NAME=A1
*ELASTIC
 30.E6, 
*DENSITY
 .00073, 
*DAMPING,COMPOSITE=0.01
*SOLID SECTION,MATERIAL=A1,ELSET=EALL
 .00306769, 
** 
** Pre-tension section
**
*PRE-TENSION,ELEMENT=5,NODE=1001
*BOUNDARY
NALL,2,,0.
1,   1,,0.
**
*STEP,NLGEOM
 STRETCH CABLE
*STATIC
*BOUNDARY
1001,1,,0.
*CLOAD
 14,1,750.
*NODE FILE
U,RF
*EL FILE
S,E
*NODE PRINT
U,RF
*EL PRINT
S,E
*END STEP
*STEP,NLGEOM
*STATIC
*BOUNDARY
 1001,1,,5.
*ENDSTEP
*STEP,NLGEOM
  EXTRACT FIRST BREATHING MODE
*FREQUENCY, eigensolver=lanczos
1, , 
*NODE FILE,FREQ=0
*MODAL FILE
*MODAL PRINT
*NODE PRINT
U,RF
*EL PRINT
S,E
*END STEP
*STEP,NLGEOM
  HARMONIC EXCITATION
*STEADY STATE DYNAMICS
400.,600.,30,3.
*CLOAD
14,1,1E4
*MODAL DAMPING,MODAL=DIRECT
1,1,0.01
*SELECT EIGENMODES
1
*NODE FILE
U,RF,PU,PRF
*EL FILE,ELSET=EALL
S,E,PHS,PHE
*NODE PRINT
PU,U
PRF,RF
*EL PRINT,ELSET=EALL
S,E,
PHS,PHE
*ENDSTEP