On 31 Mar 2017, at 00:36, Christian D. Ott <c...@tapir.caltech.edu> wrote:
> Hi Ian, > > Thanks for your reply. Good to know that others have the same problem. > I've done a 4th order run (with appropriately reduced # of ghost zones > etc.) with the Cartesian/Curvilinear boundary out at ~86. This indeed > reduces the oscillations, but only slightly. I was hoping for a bigger > effect. See attached plot comparing the 4th order run with > sphere_inner_radius at 51.4 with the new run at 85.66. Hmm. That's a bit disappointing. In your original plot, I couldn't see any oscillations at all in the 8th order case, though I have seen them in my runs when plotting the frequency (which is yet another derivative). Can you see oscillations in psi4 itself in the 8th order case? -- Ian Hinder http://members.aei.mpg.de/ianhin
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