Augustus

• Spatial Discretization
  • Morel-Hall asymmetric diffusion discretization
  • Support Operator symmetric diffusion discretization
  • Hall symmetric diffusion discretization (2-D, x-y only)
• Temporal Discretization
  • Backwards Euler implicit discretization
• Matrix Solution
  • Krylov Subspace Iterative Methods
    • JTpack: GMRES, BCGS, TFQMR
    • Preconditioners:
      • JTpack: Jacobi, SSOR, ILU
      • Low-order version of Morel-Hall discretization that is a smaller, symmetric system and is solved by CG with SSOR (from JTpack)
  • Incomplete Direct Method - UMFPACK