*HEADING
 TEST CLEARANCE DEPENDENT GAP RADIATION (C3D4T)
*PHYSICAL CONSTANTS, ABSOLUTE ZERO=-460., STEFAN=1.E-8
*NODE,NSET=BAR
*NSET,NSET=BAR1,GENERATE
*NSET,NSET=LEFT,GENERATE
*ELEMENT,TYPE=C3D4T,ELSET=ROD
*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
*ELEMENT, TYPE=HEATCAP, ELSET=HCAP
*HEATCAP, ELSET=HCAP
*SURFACE, NAME=WALL, TYPE=CYLINDER
START,0,0
LINE,0,1.1
*SURFACE,TYPE=ELEMENT,NAME=RIGHT
12,S3
11,S3
*RIGID BODY, REFNODE=9999, ISOTHERMAL=YES, ANALYTICAL SURFACE =WALL
*AMPLITUDE,NAME=RAMP,DEFINITION=SMOOTH
0,0,2,1
*STEP
*DYNAMIC TEMPERATURE-DISPLACEMENT, EXPLICIT
*CONTACT PAIR,INTERACTION=GAP,WEIGHT=0.0
RIGHT,WALL
*SURFACE INTERACTION,NAME=GAP
*GAP RADIATION
*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=0.75
*FILE OUTPUT,NUM=1
*NODE FILE
U,
NT,
*END STEP