[Users] Instabilities with Summation by Parts 4th order operator

2020-04-09 Thread Miguel Zilhão
hi all, i've been working on implementing the Summation by Parts (SBP) operators on some evolution codes i have and i was seeing some instabilities when using the 4th order accurate 2nd derivative operator. in order to try to understand the problem better, i've coded a very simple thorn that e

[Users] Meeting Minutes for 2020-04-09

2020-04-09 Thread Helvi Witek
Meeting minutes for 2019-06-06 Present: Beyhan, Bill Gabella, Christopher Evans, Liu Haoyang, Maria Hamilton, Peter Diener, Roland Haas, Steven Brandt, Helvi Witek * Welcome to new participants in the call! * Questions regarding setup of GRHydro (Beyhan)   ** recommendation to share parameter-