This site contains: mathematics courses and book; covers: image analysis, data analysis, and discrete modelling; provides: image analysis software. Created and run by Peter Saveliev.

# Fluid flow

There is an example of this here: Modeling with discrete exterior calculus. The heat, $T$, is a 2-form but its dual, $U=T^*$, is a 0-form. So its exterior derivative, $dU$, is a 1-form. It's conservative though (no cycles).