[WIP] Add a cookbook that combines surface loading, viscoplastic rheologies and two-phase melting #6367

PrajaktaPMohite wants to merge 2 commits intogeodynamics:maingeodynamics/aspect:mainfrom

PrajaktaPMohite:visco_plastic_surface_deformation_cookbookPrajaktaPMohite/aspect:visco_plastic_surface_deformation_cookbookCopy head branch name to clipboard