3 papers
math.NA2026
Compact Runge-Kutta flux reconstruction methods with entropy and/or kinetic energy preserving fluxes
Arpit Babbar, Qifan Chen, Hendrik Ranocha
Compact Runge-Kutta (cRK) methods are a class of high order methods for solving hyperbolic conservation laws characterized by their compact stencil including only immediate neighbo…
math.NA2026
Numerical Approach for On-the-Fly Active Flow Control via Flow Map Learning Method
Xinyu Liu, Qifan Chen, Dongbin Xiu
We present a data-driven numerical approach for on-the-fly active flow control and demonstrate its effectiveness for drag reduction in two-dimensional incompressible flow past a cy…
math.NA2025
Compact Runge-Kutta Flux Reconstruction for Hyperbolic Conservation Laws with admissibility preservation
Arpit Babbar, Qifan Chen
Compact Runge-Kutta (cRK) Discontinuous Galerkin (DG) methods, recently introduced in [Q. Chen, Z. Sun, and Y. Xing, SIAM J. Sci. Comput. SIAM J. Sci. Comput., 46: A1327-A1351, 202…