1*46696af2SBarry Smith# Structured Grids (DMDA) 2*46696af2SBarry Smith 3*46696af2SBarry SmithThe `DMDA` subclass of `DM` encapsulates a Cartesian structured mesh, with interfaces for both topology and geometry. It is capable of parallel refinement and coarsening. 4*46696af2SBarry SmithSome support for parallel redistribution is available through the `PCTELESCOPE` object. A piecewise linear discretization is assumed for operations which require this information. 5