*HEADING
INF LONG FINNED TUBE INSIDE INF LONG TUBE, DC3D8
*PREPRINT,Model=Yes,Echo=No,History=No
******************************************
*PART,NAME=TUBE
*END PART
************
*ASSEMBLY,NAME=TUBE
*INSTANCE,NAME=TUBE,PART=TUBE
*NODE
*NGEN,NSET=LHS
*NGEN,NSET=RHS
*NFILL,NSET=ALLNO
LHS,RHS,12
*NCOPY,OLD=ALLNO,SHIFT,MULTIPLE=11,CHANGE=1000,NEW=ALLNN
*NSET,NSET=ALLN
ALLNO,ALLNN
*NSET,NSET=LHS,GEN
*NSET,NSET=RHS,GEN
*NSET,NSET=QA_TEST,GEN
*ELEMENT,TYPE=DC3D8,ELSET=CONDEL
*ELGEN,ELSET=CONDEL
*ELSET,ELSET=QA_TEST,GEN
*SOLID SECTION,ELSET=CONDEL,MATERIAL=ALUM
********
*ELSET,ELSET=ELHS,GEN
*ELSET,ELSET=ERHS,GEN
*ELSET,ELSET=EBLOCK,GEN
*ELSET,ELSET=EBLOCKT,GEN
*END INSTANCE
*surface,NAME=SURF,PROPERTY=PROP
TUBE.ELHS,S4
TUBE.ERHS,S6
TUBE.EBLOCK,S3
TUBE.EBLOCK,S5
TUBE.EBLOCKT,S4
*END ASSEMBLY
***********************************************
*MATERIAL,NAME=ALUM
*CONDUCTIVITY
204.,
*DENSITY
2707.,
*SPECIFIC HEAT
896.,
***  CAVITY DEFINITION
*CAVITY DEFINITION,NAME=CAV3D,AMB=200.
SURF,
*SURFACE PROPERTY,NAME=PROP
*EMISSIVITY
*PHYSICAL CONSTANTS, STEFAN=5.669E-8,ABSOLUTE ZERO=0.0
***
*INITIAL CONDITIONS,TYPE=TEMPERATURE
TUBE.TUBE.ALLN,300.0
*RESTART,WRITE,FREQ=10
***********************************************
*STEP,INC=20
*HEAT TRANSFER,STEADY STATE
0.05,1.
*CONTROLS, PARAMETERS=FIELD
1.0E-5,
*BOUNDARY
TUBE.TUBE.LHS,11,,1000.0
TUBE.TUBE.RHS,11,,400.00
*RADIATION VIEW,REFLECTION=NO
*NODE PRINT,NSET=TUBE.TUBE.QA_TEST,FREQUENCY=10
NT,
*NODE FILE,NSET=TUBE.TUBE.QA_TEST,FREQUENCY=10
NT,
*RADIATION PRINT,FREQUENCY=10
RADFL,VFTOT,FTEMP
*RADIATION FILE,ELSET=TUBE.TUBE.QA_TEST,FREQUENCY=10
RADFL,VFTOT,FTEMP
*VIEWFACTOR OUTPUT,CAVITY=CAV3D
*OUTPUT,FIELD,FREQUENCY=10
*NODE OUTPUT
NT,
*ELEMENT OUTPUT
HFL,
*RADIATION OUTPUT,VARIABLE=ALL
*END STEP