# 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()`.
ex1.c
ex10.c
ex11.c
ex12.c
ex13.c
ex14.c
ex15.c
ex16.c
ex19.c
ex1f.F90
ex1k.kokkos.cxx
ex2.c
ex20.c
ex21.c
ex22.c
ex23.c
ex24.c
ex25.c
ex26.c
ex27.c
ex28.c
ex2k.kokkos.cxx
ex3.c
ex30.c
ex31.c
ex32.c
ex33.c
ex34.c
ex35.c
ex36.c
ex37.c
ex38.c
ex39.c
ex4.c
ex40.c
ex41.c
ex42.c
ex43.c
ex44.c
ex45.c
ex46.c
ex47.c
ex48.c
ex49.c
ex5.c
ex50.c
ex51.c
ex52.c
ex53.c
ex6.c
ex7.c
ex8.c
ex9.c
makefile