*HEADING
Pre-tension Section Test []
Procedures Tested: Static
Elements Tested: CPS8, CAX4RH, C3D27H
**
*RESTART,WRITE
*NODE
       1,          0.,          0.
       2,         0.5,          0.
       3,          1.,          0.
       4,          0.,         0.5
       5,          1.,         0.5
       6,          0.,          1.
       7,         0.5,          1.
       8,          1.,          1.
       9,          0.,         1.5
      10,          1.,         1.5
      11,          0.,          2.
      12,         0.5,          2.
      13,          1.,          2.
      14,          2.,          0.
      15,          3.,          0.
      16,          2.,          1.
      17,          3.,          1.
      18,          2.,          2.
      19,          3.,          2.
      20,          4.,          0.
      21,         4.5,          0.
      22,          5.,          0.
      23,          4.,         0.5
      24,         4.5,         0.5
      25,          5.,         0.5
      26,          4.,          1.
      27,         4.5,          1.
      28,          5.,          1.
      29,          4.,         1.5
      30,         4.5,         1.5
      31,          5.,         1.5
      32,          4.,          2.
      33,         4.5,          2.
      34,          5.,          2.
      35,          4.,          0.,         0.5
      36,         4.5,          0.,         0.5
      37,          5.,          0.,         0.5
      38,          4.,         0.5,         0.5
      39,         4.5,         0.5,         0.5
      40,          5.,         0.5,         0.5
      41,          4.,          1.,         0.5
      42,         4.5,          1.,         0.5
      43,          5.,          1.,         0.5
      44,          4.,         1.5,         0.5
      45,         4.5,         1.5,         0.5
      46,          5.,         1.5,         0.5
      47,          4.,          2.,         0.5
      48,         4.5,          2.,         0.5
      49,          5.,          2.,         0.5
      50,          4.,          0.,          1.
      51,         4.5,          0.,          1.
      52,          5.,          0.,          1.
      53,          4.,         0.5,          1.
      54,         4.5,         0.5,          1.
      55,          5.,         0.5,          1.
      56,          4.,          1.,          1.
      57,         4.5,          1.,          1.
      58,          5.,          1.,          1.
      59,          4.,         1.5,          1.
      60,         4.5,         1.5,          1.
      61,          5.,         1.5,          1.
      62,          4.,          2.,          1.
      63,         4.5,          2.,          1.
      64,          5.,          2.,          1.
** pre-tension section nodes
*NODE,NSET=NREF
    1001,          0.,          0.
    1002,          0.,          0.
    1003,          0.,          0.
**
*ELEMENT, TYPE=CPS8, ELSET=ECPE
       1,       1,       3,       8,       6,       2,       5,
       7,       4
       2,       6,       8,      13,      11,       7,      10,
      12,       9
*ELEMENT, TYPE=CAX4RH, ELSET=ECAX
       3,      14,      15,      17,      16
       4,      16,      17,      19,      18
*ELEMENT, TYPE=C3D27H, ELSET=EC3D
       5,      20,      22,      28,      26,      50,      52,      58,
      56,      21,      25,      27,      23,      51,      55,      57,
      53,      35,      37,      43,      41,      39,      24,      54,
      36,      40,      42,      38
       6,      26,      28,      34,      32,      56,      58,      64,
      62,      27,      31,      33,      29,      57,      61,      63,
      59,      41,      43,      49,      47,      45,      30,      60,
      42,      46,      48,      44
*SOLID SECTION,ELSET=ECPE,MATERIAL=MAT
1.0, 
*SOLID SECTION,ELSET=ECAX,MATERIAL=MAT
*SOLID SECTION,ELSET=EC3D,MATERIAL=MAT
*MATERIAL,NAME=MAT
*HYPERELASTIC,N=1
80.,20.
**
** Node Sets for Boundary Conditions
**
*NSET, NSET=XSYMM
       1,       4,       6,       9,      11,      14,      16,      18,
      20,      23,      26,      29,      32,      35,      38,      41,
      44,      47,      50,      53,      56,      59,       62
*NSET, NSET=YSYMM
       1,       2,       3,      14,      15,      20,      21,      22,
      35,      36,      37,      50,      51,       52
*NSET, NSET=ZSYMM
      20,      21,      22,      23,      24,      25,      26,      27,
      28,      29,      30,      31,      32,      33,       34
*NSET, NSET=NPULL
      11,      12,      13,      18,      19,      32,      33,      34,
      47,      48,      49,      62,      63,       64
**
** CPS8LWR
**
*NSET, NSET=CPS8LWR
       6,       7,        8
**
** CPE4LWR
**
*NSET, NSET=CPE4LWR
      16,       17
**
** C3D27LWR
**
*NSET, NSET=C3D27LWR
      26,      27,      28,      41,      42,      43,      56,      57,
     ,   58
**
** Pre-tension Sections
**
*surface,NAME=SCPE
2,S1
*PRE-TENSION SECTION, SURFACE=SCPE, NODE=1001
*surface,NAME=SCAX
4,S1
*PRE-TENSION SECTION, SURFACE=SCAX, NODE=1002
*surface,NAME=SC3D
6,S3
*PRE-TENSION SECTION, SURFACE=SC3D, NODE=1003
**
** Analysis
**
*STEP,NLGEOM
pre-tension section by tightening
*STATIC
*BOUNDARY
XSYMM,1,,
YSYMM,2,,
ZSYMM,3,,
NPULL,2,,
NREF,1,,0.1
*NODE FILE
U,RF
*EL FILE
S,E
*END STEP
*STEP,NLGEOM
further loading from initial tightened state
*STATIC
*BOUNDARY
NPULL,2,,0.1
*ENDSTEP