# DM Manual Pages
Examples
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 example, `DMDACreate()`.
da/
sliced/
composite/
redundant/
plex/
shell/
patch/
moab/
network/
forest/
swarm/
product/
stag/
makefile