*HEADING
Pre-tension Section Test []
Procedures Tested: Static
Elements Tested: B21, CPE3, CPS4R, CAX8, CAX8R
**
*NODE
       1,          0.,          0.
       2,          0.,          1.
       4,          0.,          2.
       5,          1.,          0.
       6,          2.,          0.
       7,          1.,          1.
       8,          2.,          1.
      11,          1.,          2.
      12,          2.,          2.
      13,          3.,          0.
      14,          4.,          0.
      15,          3.,          1.
      16,          4.,          1.
      19,          3.,          2.
      20,          4.,          2.
      21,          5.,          0.
      22,         5.5,          0.
      23,          6.,          0.
      24,          5.,         0.5
      25,          6.,         0.5
      26,          5.,          1.
      27,         5.5,          1.
      28,          6.,          1.
      32,          5.,         1.5
      33,          6.,         1.5
      34,          5.,          2.
      35,         5.5,          2.
      36,          6.,          2.
** pre-tension section nodes
*NODE,NSET=NREF
     101,          0.,          0.
     102,          0.,          0.
     103,          0.,          0.
     104,          0.,          0.
**
*ELEMENT, TYPE=B21 , ELSET=EBEAM
       1,       1,       2
       2,       2,       4
*ELEMENT, TYPE=CPE3, ELSET=ECPE
       3,       8,       7,       5
       4,       5,       6,       8
       5,      12,      11,       7
       6,       7,       8,      12
*ELEMENT, TYPE=CPS4R, ELSET=ECPS
       7,      13,      14,      16,      15
       8,      15,      16,      20,      19
*ELEMENT, TYPE=CAX8R, ELSET=ECAX
       9,      21,      23,      28,      26,      22,      25,
      27,      24
      10,      26,      28,      36,      34,      27,      33,
      35,      32
*MATERIAL,NAME=MAT
*ELASTIC
1.E5,0.3
*BEAM SECTION,ELSET=EBEAM,MATERIAL=MAT,SECTION=CIRC
0.03, 
*SOLID SECTION,ELSET=ECPS,MATERIAL=MAT
0.1, 
*SOLID SECTION,ELSET=ECPE,MATERIAL=MAT
0.1, 
*SOLID SECTION,ELSET=ECAX,MATERIAL=MAT
**
** Node sets for BCs
**
*NSET, NSET=NBEAM
1,2,4
*NSET, NSET=NFIXED
1,5,13,21
*NSET, NSET=NROLLX
6,14,22,23
*NSET, NSET=NROLLY
11,19,32,34
*NSET, NSET=NPULL
4,11,12,19,20,34,35,36
**
** Pre-tension Sections
**
*PRE-TENSION SECTION,ELEMENT=1,NODE=101
*surface,NAME=SCPE3
3,S1
*PRE-TENSION SECTION,SURFACE=SCPE3,NODE=102
*surface,NAME=SCPS4
7,S3
*PRE-TENSION SECTION,SURFACE=SCPS4,NODE=103
*surface,NAME=SCAX8
9,S3
*PRE-TENSION SECTION,SURFACE=SCAX8,NODE=104
**
** Analysis
**
*STEP
pre-tension section by tightening
*STATIC
*BOUNDARY
NBEAM,6,6
NFIXED,1,2
NROLLX,2,2
NROLLY,1,1
NPULL,2,2
NREF,1,,0.1
*NODE FILE
U,RF
*EL FILE
S,E
*SECTION PRINT, SURFACE=SCPE3,NAME=SCPE3
*SECTION PRINT, SURFACE=SCPS4,NAME=SCPS4
*SECTION PRINT, SURFACE=SCAX8,NAME=SCAX8
*SECTION FILE , SURFACE=SCPE3,NAME=SCPE3
*SECTION FILE , SURFACE=SCPS4,NAME=SCPS4
*SECTION FILE , SURFACE=SCAX8,NAME=SCAX8
*END STEP
*STEP
further loading from initial state
*STATIC
*BOUNDARY,OP=NEW
NBEAM,6,6
NFIXED,1,2
NROLLX,2,2
NROLLY,1,1
NPULL,2,,0.1
NREF,1,,0.1
*ENDSTEP