*HEADING
TEST OF URDFIL FOR HEAT TRANSFER.
*RESTART, WRITE
*NODE
1, 0.   ,0.
2, 1.E-4,0.
3, 1.E-4,1.E-4
4, 0.   ,1.E-4
*NSET, NSET=BOT
1,2
*NSET, NSET=LEFT
1,4
*NSET, NSET=RIGHT
2,3
*NSET, NSET=NOUT
3, 
*ELEMENT, TYPE=DC2D4, ELSET=SOLID
1, 1,2,3,4
*SOLID SECTION, MATERIAL=MAT1, ELSET=SOLID
*PHYSICAL CONSTANTS, ABSOLUTE ZERO=-460
*MATERIAL, NAME=MAT1
*CONDUCTIVITY
 3.77E-5, 
*SPECIFIC HEAT
 .39, 
*DENSITY
 82.9, 
*BOUNDARY
BOT, 11,11,0.
LEFT, 11,11,0.
*AMPLITUDE, NAME=RAMP, TIME=STEP, VALUE=ABSOLUTE
0.,0., 1.,10.
*AMPLITUDE, NAME=REVRAMP, TIME=STEP, VALUE=ABSOLUTE
0.,10., 1.,0.
*STEP
*HEAT TRANSFER, STEADY STATE
0.1,1.,,0.1
*BOUNDARY, AMP=RAMP
RIGHT, 11,11
*EL PRINT, FREQ=0
*NODE PRINT, FREQ=0
*EL FILE, FREQ=0
*NODE FILE, NSET=NOUT
NT, 
*END STEP
*STEP
*HEAT TRANSFER, STEADY STATE
0.1,1.,,0.1
*BOUNDARY, AMP=REVRAMP
RIGHT, 11,11
*END STEP
*STEP
*HEAT TRANSFER, STEADY STATE
0.1,1.,,0.1
*BOUNDARY, AMP=RAMP
RIGHT, 11,11
*NODE FILE, FREQ=4, NSET=NOUT
NT, 
*END STEP