Optimal and Low-Memory Near-Optimal Preconditioning of Fully Implicit Runge-Kutta Schemes for Parabolic PDEs

no code implementations • 23 Dec 2020 • Xiangmin Jiao, Xuebin Wang, Qiao Chen

However, it is significantly more challenging to construct optimal preconditioners for them compared to diagonally implicit RK (or DIRK) schemes.

Numerical Analysis Numerical Analysis Analysis of PDEs