*HEADING
PLANE FINNED SURFACE UNDER FIRE CONDITION
**
**  FIN...
*NODE
*NGEN,NSET=N1
*NGEN,NSET=N2
*NGEN,NSET=N3
*NFILL,NSET=NALL
N1,N2,10,100
N2,N3,20,100
*ELEMENT,TYPE=DC2D4
*ELGEN,ELSET=STRUC
**
**  AMBIENT...
*NODE
*NGEN,NSET=NAMB
*ELEMENT,TYPE=DC2D4
*ELGEN,ELSET=STRUC
*ELSET,ELSET=EAMB,GENERATE
**
**  SURFACES...
*ELSET,ELSET=BOTF1,GENERATE
*ELSET,ELSET=TOPF3,GENERATE
*ELSET,ELSET=TOPF4,GENERATE
*ELSET,ELSET=TOPF2,GENERATE
*surface,NAME=SRFS,PROPERTY=REFL
TOPF3,S3
TOPF4,S4
TOPF2,S2
*surface,NAME=SAMB,PROPERTY=RAMB
EAMB,S1
*SURFACE PROPERTY,NAME=REFL
*EMISSIVITY
*SURFACE PROPERTY,NAME=RAMB
*EMISSIVITY
*CAVITY DEFINITION,NAME=CAV2D
SRFS,SAMB
**
*SOLID SECTION,ELSET=STRUC,MATERIAL=MSTRUC
*MATERIAL,NAME=MSTRUC
*DENSITY
7800.0D0,
*CONDUCTIVITY
50.0D0,
*SPECIFIC HEAT
500.0D0,
*RESTART,WRITE,FREQUENCY=100
*PHYSICAL CONSTANTS,STEFANBOLTZMANN=5.6697D-8,
ABSOLUTE ZERO=-273.0
**
*INITIAL CONDITIONS,TYPE=TEMPERATURE
NALL,77.D0
NAMB,77.D0
*NSET,NSET=THREE
**
**
*surface, NAME=BOTF1
 BOTF1, S1
*STEP,INC=500
*HEAT TRANSFER,STEADY STATE
1.0,
*BOUNDARY
NAMB,11,,38.D0
*SFILM
 BOTF1,FNU
*SFILM
 SRFS,FNU
*RADIATION VIEWFACTOR,SYMMETRY=NSYMM
*RADIATION SYMMETRY,NAME=NSYMM
*PERIODIC,TYPE=2D,NR=20
*VIEWFACTOR OUTPUT, CAVITY=CAV2D, FREQUENCY=100
*RADIATION PRINT,CAVITY=CAV2D, FREQUENCY=10
RADFL,RADFLA,RADTL,RADTLA,VFTOT,FTEMP
*RADIATION FILE,CAVITY=CAV2D, FREQUENCY=10
RADFL,RADFLA,RADTL,RADTLA,VFTOT,FTEMP
*EL PRINT,FREQUENCY=0
*NODE PRINT,NSET=THREE
NT,
*NODE FILE,NSET=THREE
NT,
*END STEP
*STEP,INC=500
*HEAT TRANSFER,DELTMX=100
10,1800
*BOUNDARY
NAMB,11,,800.D0
*END STEP
*STEP,INC=500
*HEAT TRANSFER,DELTMX=100
10,3600
*BOUNDARY
NAMB,11,,38.D0
*END STEP