7.6.18.19.1. Bruggeman

Syntax: Tortuosity Factor [{of} SpeciesName] = Bruggeman ([Exponent = exponent] | [Multiplier = multiplier] | [Omit_Saturation = omit_saturation])
Scope: Aria Material
Summary: Bruggeman model for tortuosity factor. $\tau = \frac{1}{a\phi^n}$ with a default value of $n = 0.5$ and $a = 1$ . Set alternate values for them with the ‘exponent’ and ‘multiplier’ arguments, respectively.