*HEADING
 :  DC2D4 MODEL CHANGE VERIFICATION
*NODE
1,
11,5.
401,,2.
411,5.,2.
*NGEN,NSET=BOT
1,11,1
*NGEN,NSET=TOP
401,411,1
*NFILL,NSET=NALL
BOT,TOP,4,100
*NSET, NSET=LHS, GEN
1, 401, 100
*NSET, NSET=RHS, GEN
11,411,100
*NSET,NSET=NMID,GEN
5,405,100
*ELEMENT,TYPE=DC2D4,ELSET=EALL
1,1,3,203,201
*ELGEN,ELSET=EALL
1,5,2,1,2,200,5
*ELSET,ELSET=ERHS
5,10
*ELSET, ELSET=EREM
3,4,5,8,9,10
*SOLID SECTION,MATERIAL=HEAT,ELSET=EALL
1.,
*MATERIAL,NAME=HEAT
*DENSITY
.2829, 
*CONDUCTIVITY
7.872E-4, 
*BOUNDARY
LHS,11
**
**
*STEP
 APPLY FILM CONDITION TO RHS
*HEAT TRANSFER,STEADY STATE
1.,1.
*FILM
ERHS,F2,100.,1.
*NODE PRINT, FREQ=4
NT11, 
*EL PRINT, FREQ=4
HFL, 
*NODE FILE, FREQ=4
NT, 
*EL FILE, FREQ=4
HFL, 
*END STEP
**
**
*STEP
REMOVE RIGHT HAND SIDE ELEMENTS
*HEAT TRANSFER,STEADY STATE
.5,1.
*MODEL CHANGE,REMOVE,TYPE=ELEMENT
EREM, 
*NODE PRINT, FREQ=1
NT11, 
*NODE FILE, FREQ=1
NT, 
*END STEP
**
**
*STEP
REPLACE RIGHT HAND SIDE ELEMENTS
*HEAT TRANSFER,STEADY STATE
.25,1.
*MODEL CHANGE,ADD,TYPE=ELEMENT
EREM, 
*NODE PRINT, FREQ=4
NT11, 
*NODE FILE, FREQ=4
NT, 
*FILM
ERHS,F2,200.,1.
*END STEP