What is flux?

Last updated on August 29th, 2020 at 01:26 am

Flux

If  is a vector field, then the flux through any face is defined as the scalar product of the vector area of the face and the vector . That is,

Flux = (component of velocity normal to the face) × (area of the face)
         
The amount of flux per unit area is defined as the divergence of the vector