2 papers
math.NA2025
A Sweeping Positivity-Preserving High Order Finite Difference WENO Scheme for Euler Equations
D. Chloe Griffin, Chi-Wang Shu
We develop a simple, high-order, conservative and robust positivity-preserving sweeping procedure for the density and the nonlinear pressure function in the compressible Euler equa…
math.NA2025
Finite difference alternative WENO schemes with Riemann invariant-based local characteristic decompositions for compressible Euler equations
Yue Wu, Chi-Wang Shu
The weighted essentially non-oscillatory (WENO) schemes are widely used for hyperbolic conservation laws due to the ability to resolve discontinuities and maintain high-order accur…