An optimization based limiter for enforcing positivity in a semi-implicit discontinuous Galerkin scheme for compressible Navier-Stokes equations.
Chen LiuXiangxiong ZhangPublished in: CoRR (2024)
Keyphrases
- semi implicit
- nonlinear diffusion
- partial differential equations
- scale spaces
- nonlinear diffusion filtering
- finite difference
- navier stokes equations
- numerical scheme
- numerical methods
- differential equations
- anisotropic diffusion
- discrete optimization
- scale space
- multiresolution
- single image
- graphical models
- denoising