# 7.6.17.34.3. Chemical_Potential

Syntax

  Species Diffusion [{of} SpeciesName] = Chemical_Potential ()

Scope

  Aria Material

Summary

  Model species diffusion using a flux determined from the gradient of the chemical potential. where M is the mobility (either scalar or tensor), c the species concentration, and mu the chemical potential.

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