A fully coupled two-level Schwarz preconditioner based on smoothed aggregation for the transient multigroup neutron diffusion equations.
Fande KongYaqi WangSebastian SchunertJohn W. PetersonCody J. PermannDavid AndrsRichard C. MartineauPublished in: Numer. Linear Algebra Appl. (2018)
Keyphrases
- diffusion equation
- anisotropic diffusion
- edge preserving
- scale space
- diffusion process
- partial differential equations
- noise removal
- steady state
- image enhancement
- pattern formation
- boundary conditions
- nonlinear diffusion
- scale spaces
- iterative methods
- filtering method
- image processing
- coherence enhancing diffusion
- finite difference
- pattern recognition