<div class="iw_mail" dir="auto" style="font-size: 13px;"><div>Fortunately, the problem is resolved :-)</div><div><br></div><div>M. P.<br></div><div class=""><br></div><div><br></div><div class="iw-reply-block" dir="LTR" style="font-size: 13px;font-family:Roboto, Tahoma, Helvetica, sans-serif;line-height:normal;"><div style="margin:0;font-family:Roboto, Tahoma, Helvetica, sans-serif;font-size:13px;font-weight:300;line-height:150%;letter-spacing:normal;color:#333333;"><div style="display:none;margin:0;font-family:Roboto, Tahoma, Helvetica, sans-serif;font-size:13px;font-weight:300;line-height:150%;letter-spacing:normal;color:#333333;">----- Original Message -----</div><hr style="width:100%;padding:0;margin:10px 0;color:#888888;background-color:#888888;border-color:#DDDDDD;" width="100%" size="1">From: Mpayami via users (<a href="mailto:users@lists.quantum-espresso.org" style="font-family: Helvetica, sans-serif; font-size: 12px; font-weight: 300; line-height: 150%; color: rgb(0, 136, 204); text-decoration: none;">users@lists.quantum-espresso.org</a>)<br>Date: 04/02/1402 09:37<br>To: Quantum ESPRESSO users Forum (<a href="mailto:users@lists.quantum-espresso.org" style="font-family: Helvetica, sans-serif; font-size: 12px; font-weight: 300; line-height: 150%; color: rgb(0, 136, 204); text-decoration: none;">users@lists.quantum-espresso.org</a>)<br>Subject: <span style="font-family:Helvetica, sans-serif;font-size:12px;font-weight:300;line-height:150%;color:#333;text-decoration:none;font-weight:bold;">[QE-users] divergence of chi in HP code</span></div><br><div><div class="iw_mail" dir="auto" style="font-size: 13px;"><div>Dear QE users,</div><div>Hi.</div><div><br></div><div>I am trying to compute Hubbard parameters using HP code.</div><div>However, for some q-point of some atom I get divergence for some components of chi.</div><div>I have played with all alphamix, nmix, q_mesh, but did not succeed to manage convergence.</div><div>The output is:</div><div><br></div><div> =--------------------------------------------=<br id="isPasted"> START SOLVING THE LINEAR SYSTEM<br> =--------------------------------------------=<br><br> atom # 2 q point # 1 iter # 1<br> chi: 1 0.0155052037<br> chi: 2 -5.5123136053<br> chi: 3 0.0155052037<br> chi: 4 5.1960958877<br> chi: 5 0.0177200092<br> chi: 6 0.0177200092<br> chi: 7 0.0177200092<br> chi: 8 0.0177200092<br> chi: 9 0.0177200092<br> chi: 10 0.0177200092<br> chi: 11 0.0177200092<br> chi: 12 0.0177200092<br> Average number of iter. to solve lin. system: 36.2<br> Total CPU time : 31.0 s<br><br> atom # 2 q point # 1 iter # 2<br> chi: 1 -0.0255548541 residue: 0.0410600578<br> chi: 2 ************** residue: **************<br> chi: 3 -0.0255548539 residue: 0.0410600576<br> chi: 4 ************** residue: **************<br> chi: 5 0.0155525281 residue: 0.0021674812<br> chi: 6 0.0155525281 residue: 0.0021674812<br><br>----------------------------------------------------------------------------------------------</div><div>Could anybody please help and remind any other convergence switches which may be forgotten?</div><div>Any comments is highly appreciated.</div><div><br></div><div>Best regards,</div><div>Mahmoud</div><div><br></div><div><br></div><div class=""><div>-------------------------------</div><div>Mahmoud Payami</div><div>NSTRI, AEOI,Tehran, Iran</div><div>Email: <a href="mailto:mpayami@aeoi.org.ir">mpayami@aeoi.org.ir</a></div><div>Phone: +98(0)2182066504</div><div>------------------------------------</div></div></div><hr>_______________________________________________<br>The Quantum ESPRESSO community stands by the Ukrainian<br>people and expresses its concerns about the devastating<br>effects that the Russian military offensive has on their<br>country and on the free and peaceful scientific, cultural,<br>and economic cooperation amongst peoples<br>_______________________________________________<br>Quantum ESPRESSO is supported by MaX (<a href="http://www.max-centre.eu">www.max-centre.eu</a>)<br>users mailing list <a href="mailto:users@lists.quantum-espresso.org">users@lists.quantum-espresso.org</a><br><a href="https://lists.quantum-espresso.org/mailman/listinfo/users">https://lists.quantum-espresso.org/mailman/listinfo/users</a></div></div></div>