*HEADING
EC23DFDC: DFLUX, FILM, AND RADIATION FOR HEAT TRANSFER ELEMENTS  [DC2D3]
*PREPRINT,ECHO=YES,HISTORY=NO,MODEL=NO
*NODE,NSET=ALL
 1, 0.
 2, 7.
 3, 7., 7.
 4, 0., 7.
*NSET,NSET=FIX1
 1,2
*NSET,NSET=FIX2
 2,3
*NSET,NSET=FIX3
 3,4
*NSET,NSET=FIX4
 1,4
*ELEMENT,TYPE=DC2D3, ELSET=EALL
 1,1,2,3
 2,1,3,4
*SOLID SECTION,MATERIAL=A1, ELSET=EALL
*PHYSICAL CONSTANTS, ABSOLUTE ZERO=-460., STEFAN BOLTZMANN=5.0E-8
*MATERIAL,NAME=A1
*CONDUCTIVITY
 3.77E-5, 
*SPECIFIC HEAT
 .39, 
*DENSITY
 82.9, 
*BOUNDARY
 FIX1, 11
*AMPLITUDE,NAME=FILM
0.0,0.103,1.0,0.103
*STEP
*HEAT TRANSFER,STEADY STATE
*NODE PRINT
 NT,RFL
*EL PRINT,FREQ=0
*DFLUX,OP=NEW
 1, BF, .3
*END STEP
*STEP,INC=1000
*HEAT TRANSFER, STEADY STATE
*DFLUX,OP=NEW
*FILM, FILM AMPLITUDE=FILM
 2, F2, 75., 1.0
*NODE PRINT,FREQ=99
 NT,RFL
*END STEP
*STEP
*HEAT TRANSFER,STEADY STATE
*FILM,OP=NEW
 1, F1, 75., .103
*BOUNDARY,OP=NEW
 FIX3, 11
*NODE PRINT
 NT,RFL
*END STEP
*STEP
*HEAT TRANSFER,STEADY STATE
*FILM,OP=NEW
 1, F2, 75., .103
*BOUNDARY,OP=NEW
 FIX4, 11
*END STEP
*STEP
*HEAT TRANSFER,STEADY STATE
*FILM,OP=NEW
 2, F3, 75., .103
*BOUNDARY,OP=NEW
 FIX2, 11
*END STEP
*STEP
*HEAT TRANSFER, STEADY STATE
*FILM, OP=NEW
*RADIATE
 2, R2, 75., 1.E-6 
*BOUNDARY,OP=NEW
 FIX1, 11
*END STEP
*STEP
*HEAT TRANSFER, STEADY STATE
*RADIATE, OP=NEW
 1, R1, 75., 1.E-6 
*BOUNDARY,OP=NEW
 FIX3, 11
*END STEP
*STEP
*HEAT TRANSFER, STEADY STATE
*RADIATE, OP=NEW
 1, R2, 75., 1.E-6 
*BOUNDARY,OP=NEW
 FIX4, 11
*END STEP
*STEP
*HEAT TRANSFER, STEADY STATE
*RADIATE,OP=NEW
 2, R3, 75., 1.E-6 
*BOUNDARY,OP=NEW
 FIX2, 11
*END STEP
*STEP
*HEAT TRANSFER, STEADY STATE
*BOUNDARY,OP=NEW
 FIX3,11
*RADIATE,OP=NEW
*DFLUX,OP=NEW
 1, S1, .3
*END STEP
*STEP
*HEAT TRANSFER, STEADY STATE
*BOUNDARY,OP=NEW
 FIX4,11
*DFLUX,OP=NEW
 1, S2, .3
*END STEP
*STEP
*HEAT TRANSFER, STEADY STATE
*BOUNDARY,OP=NEW
 FIX1,11
*DFLUX,OP=NEW
 2, S2, .3
*END STEP
*STEP
*HEAT TRANSFER, STEADY STATE
*BOUNDARY,OP=NEW
 FIX2,11
*DFLUX,OP=NEW
 2, S3, .3
*END STEP