PE CARD: Control Of The Effective Diffusion
Coefficient By Peclet Number
Optional
Card Description: Used to provide for real time adjustment of diffusion based
upon the computed velocity and individual size of each element.
Field
Variable
Value Description
0, C 1-2
IC1
PE
Card group identifier.
0,C3
IC3
b/
Option 1 Global: Starting with node = J
T
Option 2 Explicit by material type = J
E
Option 3: Explicit assignment for Element = J
N
Option 4: Explicit assignment for Node = J
1
J
+
Starting or explicit value
≥0
2
XPEC (J)
Peclet Number
<0
Default = 0.0
≥0
Minimum velocity to use in computing Effective
3
VPEC (J)
Diffusion units = m/sec
<0
Default = 0.0
≥0
Diffusion scaling factor; applied to Peclet derived
4
DIF(j,1)
De ??
<0
Default = 0.0
≥0
Diffusion scaling factor; applied to Peclet derived
5
DIF(j,2
De ??
<0
Default = 0.0
Run Control PE Card 111
Users Guide To SED2D-WES
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