*HEADING
EC24MFDC: DFLUX FOR MASS DIFFUSION ELEMENTS  [DC2D4]
*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=DC2D4, ELSET=EALL
 1,1,2,3,4
*SOLID SECTION,MATERIAL=A1, ELSET=EALL
*MATERIAL,NAME=A1
*DIFFUSIVITY,DEPENDENCIES=1,TYPE=ISO
 3.77E-9,,,0.0
 3.77E-5,,,1.0
*SOLUBILITY
 1., 
*initial conditions,type=field
all,0.0
*AMPLITUDE,NAME=STEP
0.0,1.0,1.0,1.0
*STEP
*MASS DIFFUSION,STEADY STATE
*field,amplitude=step
all,1.0
*NODE PRINT
 NNC,RFL
*EL PRINT,FREQ=0
*DFLUX, OP=NEW
 1, BF, .3
*BOUNDARY
 FIX1, 11
*OUTPUT,FIELD
*NODE OUTPUT
 NNC,RFL
*OUTPUT,HISTORY
*NODE OUTPUT,NSET=ALL
NNC,RFL
*END STEP
*STEP
*MASS DIFFUSION, STEADY STATE
*BOUNDARY, OP=NEW
 FIX3,11
*DFLUX, OP=NEW
 1, S1, .3
*END STEP
*STEP
*MASS DIFFUSION, STEADY STATE
*BOUNDARY, OP=NEW
 FIX4,11
*DFLUX, OP=NEW
 1, S2, .3
*END STEP
*STEP
*MASS DIFFUSION, STEADY STATE
*BOUNDARY, OP=NEW
 FIX1,11
*DFLUX, OP=NEW
 1, S3, .3
*END STEP
*STEP
*MASS DIFFUSION, STEADY STATE
*BOUNDARY, OP=NEW
 FIX2,11
*DFLUX, OP=NEW
 1, S4, .3
*END STEP