<div dir="ltr"><div>Dear Roberto,</div><div><br></div><div>Thank you very much for your consideration and reply. When I change
the resolution to dx=0.375 it requires 16 gb of ram and simulation becomes
9 times slower and it would take 2.5 days to reach the 1000 simulation time. I will try to do this and , if possible, inform you about the result.<br></div><div><br></div><div>Best regards,</div><div><br></div><div>Beyhan.</div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Apr 14, 2020 at 8:32 PM Roberto De Pietri <<a href="mailto:roberto.depietri@unipr.it">roberto.depietri@unipr.it</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div style="overflow-wrap: break-word;"><div>Dear Beyjann</div><div><br></div><div>From the output, it seems that the two stars just merged and then a prompt collapse to Black Hole. An Apparent Horizon was found. </div><div><br></div><div>INFO (AHFinderDirect): proc 0: searching for horizon 1/1</div><div>INFO (AHFinderDirect): AH 1/1: r=2.18345 at (-0.000000,0.000000,0.000000)</div><div>INFO (AHFinderDirect): AH 1/1: area=376.8755139 m_irreducible=2.738192857</div><div> 5952 558.000 | 129.2759814 | 0.0003459 | 0.0000439 | 8.9127188 | 8.4903683 | 151.5039356 | 301.5059049</div><div><br></div><div>Dear Beyhan;</div><div><br></div><div>Quite likely just resolution.</div><div><br></div><div>But at the next iteration, AH finder was not able to find it again, and indeed the interior of the black hole was </div><div>not excised and conservative to primitive failed close to the singularity.</div><div><br></div><div>Resolution of dx=0.75 it is not enough for simulation, and leas dx=0.375 is needed for having running simulation</div><div> when black hole form and at least 0.25 to have some useful data. </div><div><br></div><div>Roberto</div><div><br><blockquote type="cite"><div>On 14 Apr 2020, at 17:22, Beyhan Karakaş <<a href="mailto:beyhannkarakas@gmail.com" target="_blank">beyhannkarakas@gmail.com</a>> wrote:</div><br><div><div dir="ltr"><div>Dear to whom it may concern,</div><div><br></div><div> I am using
Mayer release on Fedora 31. I have made some changes in the parameter
file that was created by De Pietri, Feo, Maione and Loeffler in 2016
(which could be downloaded from <a href="https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.fis.unipr.it%2Fnumrel%2FResearch%2FBNS2016.html&data=02%7C01%7Croberto.depietri%40unipr.it%7C9856f8be4a614c36092808d7e087c54c%7Cbb064bc5b7a841ecbabed7beb3faeb1c%7C0%7C0%7C637224746075422862&sdata=dwMfDo1WyBsGfCHoyLC%2BxsgD8e7LywtPY%2BCajZwPheA%3D&reserved=0" target="_blank">http://www.fis.unipr.it/numrel/Research/BNS2016.html</a>). Some of the Parma Groups' thorns were used in the parameter file added to the end of the mail.</div><div><br></div><div>Initial
data for equal mass (M_1,2=1.7 M_sun) binary neutron stars was
generated on LORENE using SLy EOS. Table of it was attached. Initial data could be downloaded from <a href="https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbitbucket.org%2Fbeyhank%2Fbns&data=02%7C01%7Croberto.depietri%40unipr.it%7C9856f8be4a614c36092808d7e087c54c%7Cbb064bc5b7a841ecbabed7beb3faeb1c%7C0%7C0%7C637224746075432863&sdata=%2FihD6LLxM2FTPBZpMQUevJecdN1yJf6Y0%2B%2FEN7xnJv4%3D&reserved=0" target="_blank">https://bitbucket.org/beyhank/bns</a> .<br></div><div><br></div><div>GRHydro thorn starts to give retval
after 504 simulation time and stops the simulation at 756 with NANs (BH
formed at 558). I suppose the error persists either
"EinsteinEvolve/GRHydro" or "PRThorns/GRHydro" is used. </div><div><br></div><div>
I do not know whether this error is resulted from low resolution or
something else. Same setting does not seem to give any error for the
configuration M_1,2=1.2 M_sun.<br></div><div><br></div><div>Output, error and parameter files are attached.</div><div><br></div><div>Best regards,</div><div><br></div><div>Beyhan.<br></div><div><br></div><div>---------------------------------------------------------------------------------</div><div># The Parma Thorns<br>!TARGET = $ARR<br>!TYPE = git<br>!URL = <a href="https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbitbucket.org%2FGravityPR%2Fprthorns.git&data=02%7C01%7Croberto.depietri%40unipr.it%7C9856f8be4a614c36092808d7e087c54c%7Cbb064bc5b7a841ecbabed7beb3faeb1c%7C0%7C0%7C637224746075432863&sdata=PeD%2BZDceaHgO2mnDg8kKI2dmfc34Y7YmB%2BqOG383Gco%3D&reserved=0" target="_blank">https://bitbucket.org/GravityPR/prthorns.git</a><br>!REPO_PATH= $2<br>!CHECKOUT =<br>PRThorns/TempPool<br>PRThorns/Meudon_Bin_NS<br>PRThorns/Hydro_RNSID<br>PRThorns/GRHydro<br>PRThorns/GRHydro_Analysis<br>PRThorns/GRHydro_InitData</div></div>
<span id="gmail-m_-4394857154829142277cid:f_k901nxjb0"><tnisan12.par></span><span id="gmail-m_-4394857154829142277cid:f_k901nxjz2"><tnisan12.err></span><span id="gmail-m_-4394857154829142277cid:f_k901nxjq1"><tnisan12.out></span><span id="gmail-m_-4394857154829142277cid:f_k901oojj3"><eos_sly4_pp.d></span>_______________________________________________<br>Users mailing list<br><a href="mailto:Users@einsteintoolkit.org" target="_blank">Users@einsteintoolkit.org</a><br><a href="https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.einsteintoolkit.org%2Fmailman%2Flistinfo%2Fusers&amp;data=02%7C01%7Croberto.depietri%40unipr.it%7C9856f8be4a614c36092808d7e087c54c%7Cbb064bc5b7a841ecbabed7beb3faeb1c%7C0%7C0%7C637224746075472838&amp;sdata=eKXWawcyEF4bd0wEZzILHnlV544pByOsqnNdlFZ5%2Blk%3D&amp;reserved=0" target="_blank">https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.einsteintoolkit.org%2Fmailman%2Flistinfo%2Fusers&amp;data=02%7C01%7Croberto.depietri%40unipr.it%7C9856f8be4a614c36092808d7e087c54c%7Cbb064bc5b7a841ecbabed7beb3faeb1c%7C0%7C0%7C637224746075472838&amp;sdata=eKXWawcyEF4bd0wEZzILHnlV544pByOsqnNdlFZ5%2Blk%3D&amp;reserved=0</a><br></div></blockquote></div><br></div></blockquote></div>