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<p>Roland,</p>
<p>EinsteinExact does contain both Gauge Wave shifted gauge wave
initial data. They're provided as additional thorns. Here's the
relevant part of my thorn list:</p>
<p>!TARGET = $ARR<br>
!TYPE = git<br>
!URL = <a class="moz-txt-link-freetext" href="https://github.com/barrywardell/EinsteinExact.git">https://github.com/barrywardell/EinsteinExact.git</a><br>
!REPO_PATH= $2<br>
!CHECKOUT = EinsteinExact/doc EinsteinExact/m EinsteinExact/tests<br>
EinsteinExact/EinsteinExact_Test<br>
EinsteinExact/GaugeWave<br>
EinsteinExact/KerrSchild<br>
EinsteinExact/Minkowski<br>
EinsteinExact/ModifiedSchwarzschildBL<br>
EinsteinExact/ShiftedGaugeWave<br>
EinsteinExact/Vaidya2</p>
<p>Here's the parameter file I used to run it (in compliance with
apples with apples) for my DG paper (arXiv:1604.00075):</p>
<p><a class="moz-txt-link-freetext" href="https://bitbucket.org/Yurlungur/oldg-supplemental/src/12834adfa6ce4b0660ca98f242f112f320e3582c/par/gauge_wave.rpar?at=master&fileviewer=file-view-default">https://bitbucket.org/Yurlungur/oldg-supplemental/src/12834adfa6ce4b0660ca98f242f112f320e3582c/par/gauge_wave.rpar?at=master&fileviewer=file-view-default</a></p>
<p>I was using my implementation Mclachlan, but you should be able
to adapt the relevant parameters.</p>
<p>Best,</p>
<p>Jonah<br>
</p>
<div class="moz-cite-prefix">On 17-07-20 02:13 PM, Roland Haas
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:20170720131302.04753222@ekohaes8.ncsa.illinois.edu">
<pre wrap="">Hello all,
I am trying to set up the gauge wave test from the apples with apples
paper <a class="moz-txt-link-freetext" href="https://arxiv.org/abs/0709.3559">https://arxiv.org/abs/0709.3559</a> "Appendix A.3. Gauge wave
testbed". While these are simple enough the coding up the ADM variables is not a big deal, I would still ideally avoid this potential source of error and use a code that is already in the ET or Cactus.
Does anyone know if such a thorn exists in the ET (and would point me
to it)? EinsteinExact does not seem to contain such a module (but only
the shifted gauge test).
Yours,
Roland
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