<div dir="ltr"><div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif"><div dir="ltr" style="font-family:Arial,Helvetica,sans-serif"><span class="gmail-im" style="color:rgb(80,0,80)"><div class="gmail_default" style="font-family:tahoma,sans-serif">Dear Michele,</div><div class="gmail_default" style="font-family:tahoma,sans-serif">We have faced similar difficulties with the SCAN+rVV10 functional (see <a href="https://www.mail-archive.com/users@lists.quantum-espresso.org/msg36102.html" target="_blank" style="cursor: pointer;">https://www.mail-archive.com/users@lists.quantum-espresso.org/msg36102.html</a>). You may consider changing the PP, with particular attention to the radial grid (see <a href="https://doi.org/10.1063/5.0121187" target="_blank" style="cursor: pointer;">https://doi.org/10.1063/5.0121187</a>).</div><div class="gmail_default" style="font-family:tahoma,sans-serif">Best wishes,</div><div class="gmail_default" style="font-family:tahoma,sans-serif">Claudio</div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif"><div dir="ltr" style="font-family:Arial,Helvetica,sans-serif"><div class="gmail_default" style="font-family:tahoma,sans-serif"><span style="font-family:Arial,Helvetica,sans-serif;color:rgb(136,136,136)">--</span></div></div><font color="#888888" style="font-family:Arial,Helvetica,sans-serif"><div dir="ltr" class="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><pre style="text-wrap-mode: wrap;"><font face="tahoma, sans-serif" size="4">Claudio A. Perottoni</font></pre><pre style="text-wrap-mode: wrap;"><font face="tahoma, sans-serif"><font size="2">Universidade de Caxias do Sul
95070-560 Caxias do Sul - RS - Brazil</font>
</font></pre></div></div></div></div></div></div></div></div></font><br></div></span></div><div style="font-family:Arial,Helvetica,sans-serif"><div style="margin:5px 0px"><div id="m_4954297525844108639gmail-q_68" style="background-color:rgb(232,234,237);border:none;clear:both;line-height:6px;outline:none;width:24px;color:rgb(80,0,80);font-size:11px;border-radius:5.5px"><div style="background:url("https://www.gstatic.com/images/icons/material/system_gm/1x/more_horiz_black_20dp.png") 50% 50%/20px no-repeat;height:11px;opacity:0.71;width:24px"></div></div></div></div><font color="#888888" style="font-family:Arial,Helvetica,sans-serif"><div dir="ltr" class="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><pre style="text-wrap-mode: wrap;"><br></pre></div></div></div></div></div></div></div></div></font></div></div><div class="gmail-yj6qo gmail-ajU" style="outline:none;padding:10px 0px;width:22px;margin:2px 0px 0px"><div id="gmail-:17z" class="gmail-ajR" role="button" tabindex="0" aria-label="Hide expanded content" aria-expanded="true" style="background-color:rgb(232,234,237);border:none;clear:both;line-height:6px;outline:none;width:24px;border-radius:5.5px"><img class="gmail-ajT" src="https://ssl.gstatic.com/ui/v1/icons/mail/images/cleardot.gif" style="background: url("https://www.gstatic.com/images/icons/material/system_gm/1x/more_horiz_black_20dp.png") 50% 50% / 20px no-repeat; height: 11px; opacity: 0.71; width: 24px;"></div></div><div class="gmail_quote gmail-adL"><span class="gmail-im" style="color:rgb(80,0,80)"><div dir="ltr" class="gmail_attr">On Fri, Dec 6, 2024 at 12:12 PM Michele Re Fiorentin <<a href="mailto:michele.refiorentin@polito.it" target="_blank" style="cursor: pointer;">michele.refiorentin@polito.it</a>> wrote:<br></div></span><div><div class="gmail-adm" style="margin:5px 0px"></div><div class="gmail-im" style="color:rgb(80,0,80)"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div>Dear QE developers and users,<br><br>I’m running GPU-accelerated QE 7.3.1 (on the CINECA LEONARDO cluster) to perform the relaxation of an MoTe2 bilayer using the r2scan meta-gga functional + rVV10 through Libxc:<br><br>input_dft='XC-000i-000i-000i-000i-497L-498L-rvv10'<br><br>SCF calculations do not pose any problem and convergence can be achieved without issues. However, relax calculations do not converge and energy and forces start oscillating. Moreover, several bfgs steps give energy_new > energy_old. I’ve increased the cutoff value to ensure force convergence and also reduced the trust_radius to decrease the ionic displacements, unfortunately to no avail.<br>I know that meta-gga functionals can be tricky, I was wondering if you have any suggestions to solve this problem.<br>I’ve attached the input/output of the relax calculation.<br><br>Thank you very much for your attention and help.<br>Best,<br><br><br><br>Michele<div><br><div><br></div><div></div></div></div><div><div><div></div><div><br><div><div dir="auto" style="color:rgb(0,0,0)"><div dir="auto"><div dir="auto"><div dir="auto"><div><br></div><div>--<br>Michele Re Fiorentin, PhD<br> <br>Department of Applied Science and Technology (DISAT) <br>Politecnico di Torino <br>corso Duca degli Abruzzi 24, 10129 Torino (Italy)</div><div>tel: +39 0110904333</div></div></div></div></div></div></div></div></div></div></blockquote></div></div></div><br class="gmail-Apple-interchange-newline"></div>
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