DM: Interfacing Between Solvers and Models/Discretizations

• DM Basics
• DMPlex: Unstructured Grids
  • Representing Unstructured Grids
  • Dealing with Periodicity
  • Connecting Data on Grids to its Location in arrays or Vec (PetscSection)
  • Evaluating Residuals
  • Saving and Loading DMPlex Data with HDF5
  • Metric-based mesh adaptation
• DMSTAG: Staggered, Structured Grid
  • Terminology
  • Working with vectors and operators (matrices)
  • Coordinates
  • Numberings and internal data layout
• Networks
  • Application flow
  • Utility functions
  • Retrieving components and number of variables
• PetscDT: Discretization Technology in PETSc
  • Quadrature
  • Probability Distributions
• PetscFE: Finite Element Infrastructure in PETSc
  • Using Pointwise Functions to Specify Finite Element Problems
  • Describing a particular finite element problem to PETSc
  • Assembling finite element residuals and Jacobians