# 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/
tutorials/
data_bucket.c
data_bucket.h
data_ex.c
data_ex.h
swarm.c
swarm_migrate.c
swarmpic.c
swarmpic_da.c
swarmpic_plex.c
swarmpic_sort.c
swarmpic_view.c
makefile