Godunov's Method — One Tiny Shock Tube Inside Every Cell
·4 min read
The Riemann fan, the exact Lax solution, and the wall that bounds Godunov to first order.
[Paper Review] When WENO Smears Small Eddies — Fu (2019) Low-Dissipation TENO Finite-Volume Scheme
·5 min read
Why 5th-order WENO-JS still smears smooth scales, and how TENO's sharp cutoff fixes it