# 7.6.9.7.2. Constant

Syntax

  Intrinsic Permeability [{of} SpeciesName] = Constant ([Xx = xx] | [Xy = xy] | [Xz = xz] | [Yx = yx] | [Yy = yy] | [Yz = yz] | [Zx = zx] | [Zy = zy] | [Zz = zz] | [T11 = t11] | [T12 = t12] | [T13 = t13] | [T21 = t21] | [T22 = t22] | [T23 = t23] | [T31 = t31] | [T32 = t32] | [T33 = t33])

Scope

  Aria Material

Summary

  Constant tensor value for the intrinsic permeability

Parameter | Value | Default
--- | --- | ---
{of} | {of | species | subindex} | –
SpeciesName | string | –
xx | real | 0
xy | real | 0
xz | real | 0
yx | real | 0
yy | real | 0
yz | real | 0
zx | real | 0
zy | real | 0
zz | real | 0
t11 | real | 0
t12 | real | 0
t13 | real | 0
t21 | real | 0
t22 | real | 0
t23 | real | 0
t31 | real | 0
t32 | real | 0
t33 | real | 0