# 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. with a default value of and . Set alternate values for them with the ‘exponent’ and ‘multiplier’ arguments, respectively.

Parameter | Value | Default
--- | --- | ---
{of} | {of | species | subindex} | –
SpeciesName | string | –
exponent | real | 0.5
multiplier | real | 1
omit_saturation | integer | –