What is flux?

Last updated on June 13th, 2020 at 08:38 pm

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 

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