*HEADING
 TEST CLEARANCE DEPENDENT GAP RADIATION (C3D4T)
*PHYSICAL CONSTANTS, ABSOLUTE ZERO=-460., STEFAN=1.E-8    
*NODE,NSET=BAR
      1,           1.,           0.,           0.
      2,           1.,           1.,           0.
      3,           1.,           1.,           1.
      4,           1.,           0.,           1.
      5,           0.,           1.,           0.
      6,           0.,           1.,           1.
      7,           0.,           0.,           0.
      8,           0.,           0.,           1.
      9,           0.5,          0.5,          0.5
*NODE
1003, 1.010,1.1,1.1
1004, 1.010,-0.1,1.1
1005, 1.010,-.1,-0.1
1006, 1.010,1.1,-0.1
*NSET,NSET=BAR1,GENERATE
1,8,1
*NSET,NSET=LEFT,GENERATE
5,8,1
*ELEMENT,TYPE=C3D4T,ELSET=ROD
 1, 9, 6, 5, 8
 2, 9, 5, 7, 8
 3, 9, 7, 1, 4
 4, 9, 6, 4, 3
 5, 9, 8, 7, 4
 6, 9, 8, 4, 6
 7, 9, 3, 2, 6
 8, 9, 2, 5, 6
 9, 9, 5, 2, 7
10, 9, 2, 1, 7
11, 9, 4, 1, 3
12, 9, 1, 2, 3
*SOLID SECTION,ELSET=ROD,MATERIAL=A1
1., 
*MATERIAL,NAME=A1
*ELASTIC
1.E5, 
*EXPANSION
1.E-5, 
*CONDUCTIVITY
1., 
*DENSITY
1., 
*SPECIFIC HEAT
1., 
*NODE, NSET=WALL
9999,2.,0.5
*ELEMENT, TYPE=HEATCAP, ELSET=HCAP
9999,9999
*HEATCAP, ELSET=HCAP
1.0,
*ELEMENT,ELSET=RIGID,TYPE=R3D4
1001,1003,1004,1005,1006
*RIGID BODY, REF NODE=9999,ELSET=RIGID,ISOTHERMAL=YES
*SURFACE,TYPE=ELEMENT,NAME=RIGHT
12,s3
11,s3
*SURFACE,TYPE=ELEMENT,NAME=WALL
RIGID,SNEG
*AMPLITUDE,NAME=RAMP,DEFINITION=SMOOTH
0,0,3,1
*STEP
*DYNAMIC TEMPERATURE-DISPLACEMENT, EXPLICIT
,5.
*CONTACT PAIR,INTERACTION=GAP,WEIGHT=0.0
RIGHT,WALL
*SURFACE INTERACTION,NAME=GAP
*GAP RADIATION
1.0,1.0
1.,0.
0.,0.02
*BOUNDARY,TYPE=VELOCITY
BAR1,2
LEFT,1
WALL,1,6,0.0
*BOUNDARY,AMP=RAMP
LEFT,11,11,400.
WALL,11,11,200.
*OUTPUT,FIELD,NUM=1
*ELEMENT OUTPUT,ELSET=ROD
S,LE
*OUTPUT, HISTORY,FREQ=20
*NODE OUTPUT, NSET=BAR
U,NT
** *NODE OUTPUT,NSET=WALL
** U,
*ENERGY OUTPUT,ELSET=ROD
ALLIE,ALLKE,ALLAE
**
** Output requests for qa testing
**
*NSET,NSET=QA_TEST
BAR, 9999
*OUTPUT,FIELD,NUM=1
*NODE OUTPUT,NSET=QA_TEST
U, NT
*OUTPUT,HISTORY,VAR=PRESELECT,TIME INTERVAL=1.25
*FILE OUTPUT,NUM=1
*NODE FILE
U, 
NT, 
*END STEP