# 7.6.4.2.18. From_Mass_Fraction

Syntax

  Density [{of} SpeciesName] = From_Mass_Fraction ()

Scope

  Aria Material

Summary

  Species density computed from mass fraction

Description

  where is the overall density, the species density, and the mass fraction of the species. This model should only be used for the density of a species.

Parameter | Value | Default
--- | --- | ---
{of} | {of | species | subindex} | –
SpeciesName | string | –