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