Data Management (DM)#
DM objects are used to manage communication between the algebraic structures in PETSc (
Mat) and mesh data structures
in PDE-based (or other) simulations. See, for structured grids
DMDA, for staggered grids
DMSTAG, and for unstructured grids
Users guide chapter: DM: Interfacing Between Solvers and Models/Discretizations.