[Users] Unexpectedly asymmetric WFs from WeylScal4 + Multipole?
Kelly, Bernard J. (GSFC-660.0)[UNIVERSITY OF MARYLAND BALTIMORE COUNTY]
bernard.j.kelly at nasa.gov
Wed Jun 20 15:36:37 CDT 2012
Hi all.
I was post-processing a BHB merger run, and noticed a problem with my
waveforms, extracted using WeylScal4 and Multipole: the (2,2) mode looks
fine, but the (2,-2) mode is highly suppressed (by about an order of
magnitude). Ditto the (3,+/-3) modes etc, though the amplitude mismatch is
different for each (l,m) case.
I thought I was post-processing incorrectly, but the problem is in the
"mp_psi4_lX_mY_rZ.asc" files. The negative-m data is also considerably
noisier than the positive-m data.
I assume I'm missing something in my parameter file. Some subtle (or
not-too-subtle) symmetry setting relevant to Multipole. Can someone help,
please? I'm attaching my parameter file. It's adapted from the ETK
BBHLowRes.par file (and a brief run of that appears to have the same
issues for me).
I'm using Maxwell, by the way. Any help appreciated.
Bernard
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Bernard Kelly -- CRESST Research Associate, NASA/GSFC
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E-Mail: bernard.j.kelly at nasa.gov
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