[wip] Simplified and minimal update to include pseudo-incompressibility#564

Merged

feathern merged 3 commits intogeodynamics:mainfrom BWHindman:psi_clean

Jul 15, 2024

+158-11

Commits on Jun 25, 2024

Controls and part of PDE_Coefficients modified.
BWHindman
committed
Revision of the pseudo-incompressible equations.
BWHindman
committed
Fix until compiled.
BWHindman
committed