<div class="iw_mail" dir="rtl" style="font-family: Roboto,Tahoma,Helvetica,sans-serif;font-size: 13px;"><div id="isPasted" style="text-align: left;" dir="rtl"><span style="font-size: 16px;">I noticed the comment by Han Hsu proposing possible replacement of itime(5) in the formula</span></div><div style="text-align: left;">https://lists.quantum-espresso.org/pipermail/users/2023-August/050785.html</div><div style="text-align: left;"> .</div><div style="text-align: left;">iseed = ( itime(8) + itime(6) ) * ( itime(7) + itime(4) )</div><div style="text-align: left;">Another option could be adding the entry for "iseed in the &ions tab</div><div style="text-align: left;">MP</div><div style="text-align: left;"><br></div><div><br></div><div><br></div><div dir="ltr" style="font-size: 13px;font-family:Roboto, Tahoma, Helvetica, sans-serif;" class="iw-reply-block"><div style="color:#333333;"><div style="display:none;">----- Original Message -----</div><hr style="width:100%;margin:10px 0;color:#888888;background-color:#888888;border-color:#DDDDDD;" width="100%" size="1"><div style="line-height: 1.2rem;"><div>From: Mpayami via users (<a rel="noopener noreferrer" style="color: rgb(0, 136, 204); text-decoration: none;" href="mailto:users@lists.quantum-espresso.org" target="_blank">users@lists.quantum-espresso.org</a>)</div><div>Date: 11/06/2025 02:09</div><div>To: <a rel="noopener noreferrer" style="color: rgb(0, 136, 204); text-decoration: none;" href="mailto:users@lists.quantum-espresso.org" target="_blank">users@lists.quantum-espresso.org</a></div><div>Subject: <span style="font-weight:bold;">[QE-users] manual choosing random_seed</span></div></div></div><br><div><div class="iw_mail" dir="rtl" style="font-family: Roboto,Tahoma,Helvetica,sans-serif;font-size: 13px;"><div dir="ltr" style="text-align: left;">Dear QE users and developers,</div><div dir="ltr" style="text-align: left;"><br></div><div dir="ltr" style="text-align: left;">I would like to use an arbitrary random_seed to initialize an MD run.</div><div dir="ltr" style="text-align: left;">I went through the file Modules/random_numbers.f90 and it seems by default the code uses the system entropy (date, time, . . .).</div><div dir="ltr" style="text-align: left;">How can I manage it?</div><div dir="ltr" style="text-align: left;">Any comments is highly appreciated.</div><div><br></div><div dir="ltr" style="text-align: left;">Best regards,</div><div dir="ltr" style="text-align: left;">Mahmoud Payami</div><div dir="ltr" style="text-align: left;">AEOI, Tehran, Iran</div></div><hr>_______________________________________________________________________________<br>The Quantum ESPRESSO Foundation stands in solidarity with all civilians worldwide who are victims of terrorism, military aggression, and indiscriminate warfare.<br>--------------------------------------------------------------------------------<br>Quantum ESPRESSO is supported by MaX (<a rel="noopener noreferrer" href="http://www.max-centre.eu" target="_blank">www.max-centre.eu</a>)<br>users mailing list <a rel="noopener noreferrer" href="mailto:users@lists.quantum-espresso.org" target="_blank">users@lists.quantum-espresso.org</a><br><a rel="noopener noreferrer" href="https://lists.quantum-espresso.org/mailman/listinfo/users" target="_blank">https://lists.quantum-espresso.org/mailman/listinfo/users</a></div></div></div>