*HEADING
EC28DFDC: DFLUX, FILM, AND RADIATION FOR HEAT TRANSFER ELEMENTS  [DC2D8]
*PREPRINT,ECHO=YES,HISTORY=NO,MODEL=NO
*RESTART,WRITE
*NODE,NSET=ALL
 1, 0.
 2, 7.
 3, 7., 7.
 4, 0., 7.
 5, 3.5, 0.
 6, 7., 3.5
 7, 3.5, 7.
 8, 0., 3.5
*NSET,NSET=FIX1
 1,2,5
*NSET,NSET=FIX2
 2,3,6
*NSET,NSET=FIX3
 3,4,7
*NSET,NSET=FIX4
 1,4,8
*ELEMENT,TYPE=DC2D8, ELSET=EALL
 1,1,2,3,4,5,6,7,8
*SOLID SECTION,MATERIAL=A1, ELSET=EALL
*surface,NAME=SIDE
1,S3
*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
*STEP
*HEAT TRANSFER,STEADY STATE
*NODE PRINT
 NT,RFL
*EL PRINT,FREQ=0
*DFLUX,OP=NEW
 1, BF, .3
*SECTION PRINT, NAME=SID34,SURFACE=SIDE,AXES=LOCAL
 ,3.5,7,0.
 ,0,7.0,
SOH,SOAREA
*SECTION FILE, NAME=SID34,SURFACE=SIDE,AXES=LOCAL
 ,3.5,7,0.
 ,0,7.0,
SOH,SOAREA
*OUTPUT,FIELD
*NODE OUTPUT
 NT,RFL
*OUTPUT,HISTORY
*NODE OUTPUT,NSET=ALL
 NT,RFL
*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
 1, S3, .3
*END STEP
*STEP
*HEAT TRANSFER, STEADY STATE
*BOUNDARY,OP=NEW
 FIX2,11
*DFLUX,OP=NEW
 1, S4, .3
*END STEP
*STEP
*HEAT TRANSFER,STEADY STATE
*FILM,OP=NEW
 1, F1, 75., .103
*BOUNDARY,OP=NEW
 FIX3, 11
*DFLUX,OP=NEW
*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
*DFLUX,OP=NEW
*FILM,OP=NEW
 1, F3, 75., .103
*BOUNDARY,OP=NEW
 FIX1, 11
*END STEP
*STEP
*HEAT TRANSFER,STEADY STATE
*FILM,OP=NEW
 1, F4, 75., .103
*BOUNDARY,OP=NEW
 FIX2, 11
*END STEP
*STEP
*HEAT TRANSFER, STEADY STATE
*RADIATE, OP=NEW
 1, R1, 75., 1.E-6
*BOUNDARY,OP=NEW
 FIX3, 11
*FILM,OP=NEW
*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
 1, R3, 75., 1.E-6
*BOUNDARY,OP=NEW
 FIX1, 11
*END STEP
*STEP
*HEAT TRANSFER, STEADY STATE
*RADIATE,OP=NEW
 1, R4, 75., 1.E-6
*BOUNDARY,OP=NEW
 FIX2, 11
*END STEP