*HEADING
Pre-tension Section Test [XPTDH2]
Procedures Tested: Static, Steady State Dynamics
Elements Tested: CPE3H
**
*NODE,NSET=NALL
       9,          2.,          0.
      11,          3.,          0.
      15,          2.,          1.
      17,          3.,          1.
      24,          2.,          2.
      26,          3.,          2.
** pre-tension section nodes
*NODE,NSET=NREF
    1001,          0.,          0.
**
*ELEMENT, TYPE=CPE3H, ELSET=ECPE
       3,      17,      15,       9
       4,       9,      11,      17
       5,      26,      24,      15
       6,      15,      17,      26
*SOLID SECTION,ELSET=ECPE,MATERIAL=MAT
1.0, 
*MATERIAL,NAME=MAT
*HYPERELASTIC,N=1
80.,20.
*DAMPING,BETA=0.02
*DENSITY
1., 
**
** Node Sets for Boundary Conditions
**
*NSET, NSET=XSYMM
       9,      15,      24,
*NSET, NSET=YSYMM
       9,      11,
*NSET, NSET=NPULL
       24,     26
**
** Pre-tension Sections
**
*surface,NAME=SCPE
3,S1
*PRE-TENSION SECTION, SURFACE=SCPE, NODE=1001
**
** Analysis
**
*STEP,NLGEOM
pre-tension section by tightening
*STATIC
*BOUNDARY
XSYMM,1,,
YSYMM,2,,
NREF,1,,0.1
*CLOAD
NPULL,2,20.
*NODE FILE
U,RF
*EL FILE
S,E
*OUTPUT,FIELD
*NODE OUTPUT
U,RF
*ELEMENT OUTPUT
S,E
*END STEP
*STEP,NLGEOM
  HARMONIC EXCITATION
*STEADY STATE DYNAMICS,DIRECT
1.,6.,50,1.
*CLOAD
NPULL,2,10.
*NODE FILE
U,RF,PU,PRF
*EL FILE
S,E,PHS,PHE
*NODE PRINT
PU,U
PRF,RF
*EL PRINT
S,E,
PHS,PHE
*OUTPUT,FIELD
*NODE OUTPUT
U,
*ELEMENT OUTPUT
S,E
*ENDSTEP
*STEP
  NATURAL FREQUENCIES
*FREQUENCY,EIGENSOLVER=LANCZOS, sim
10,
*NODE PRINT,F=0
*EL PRINT,F=0
*NODE FILE,F=0
*EL FILE,F=0
*MODAL FILE
*OUTPUT,FIELD,FREQ=0
*OUTPUT,HISTORY,FREQ=0
*END STEP
*STEP,NLGEOM
  HARMONIC EXCITATION 2
*STEADY STATE DYNAMICS,SUBSPACE PROJECTION, INTERVAL=RANGE
1.,6.,50,1.
*CLOAD
NPULL,2,10.
*NODE FILE
U,PU
*EL FILE
S,E,PHE
*NODE PRINT
PU,U
RF
*EL PRINT
S,E,
PHE
*OUTPUT,FIELD
*NODE OUTPUT
U,
*ELEMENT OUTPUT
S,E
*ENDSTEP