Posted by 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
