# 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()`.
tests/
dmp4est.c
dmp8est.c
petsc_p4est_package.c
petsc_p4est_package.h
pforest.h
makefile