<div class="iw_mail" dir="auto" style="font-size: 13px;"><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><p>>> However, even the the last result of pressure is still away from the target pressure.</p><div><br></div><div>You can control the tolerance by "press_conv_thr" which by default is 0.5 kbar. If it differs more than that then you should increase basis cutoffs.<br></div><div><br></div><p>>> Neverthless, when running the same calculation for different compound, I see that the target and calculated pressures are almost identical !!!!.</p><div>That is OK. For any compund you use say press=800, then finally you will get it.<br></div><p>Bests,</p><p>Mahmoud <br></p><div class="moz-cite-prefix">On ٢١/١/٢٠٢٤ ١٢:٠٥, Mpayami via users wrote:</div><blockquote cite="mid:a61a05d277e8e7bf552a491dd2b0dcd9@aeoi.org.ir" type="cite"><div class="iw_mail" dir="auto" style="font-size: 13px;">Dear Dr. Tarek Hammad<div><br></div><div>Hi.</div><div>According to your report, the result is correct.</div><div>The early pressures are different from the target one because the lattice constants are not appropriate to the target pressure. So they vary until the last step to match the target pressure.</div><div> </div>Bests,<br><div>Mahmoud Payami<div>NSTRI, AEOI</div><div>Tehran, Iran</div><div>Email: <a class="moz-txt-link-abbreviated" href="mailto:mpayami@aeoi.org.ir">mpayami@aeoi.org.ir</a></div><div>Phone: +98(0)2182066504</div><div>------------------------------------</div></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: Tarek Hammad (<a class="moz-txt-link-freetext" href="mailto:Hammad_Tarek@hotmail.com" style="font-family: Helvetica, sans-serif; font-size: 12px; font-weight: 300; line-height: 150%; color: rgb(0, 136, 204); text-decoration: none;">Hammad_Tarek@hotmail.com</a>)<br>Date: 01/11/1402 11:19<br>To: Quantum ESPRESSO users Forum (<a class="moz-txt-link-freetext" 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] Target and calculated pressures</span></div><br><div><p>Dear team and users of QE</p><p>please, would you clarify the following situation for me:</p><p>I am running <em>qe+thermo_pw</em> to calculate elastic_constants for simple <em>orthorhomb</em>ic compound under some <em>target pressure</em>.</p><p>The problem is when checking the <em>output file</em> I can see the pressure in each cycle is fairly different than than the target pressure </p><p>until the last cycle!!!!!.</p><p>I so much need your opinion.</p><p>Thanks a lot in advance</p><p>Kind regards</p><p>Dr. Tarek Hammad.</p><p> </p><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 class="moz-txt-link-freetext" href="mailto:users@lists.quantum-espresso.org">users@lists.quantum-espresso.org</a><br><a class="moz-txt-link-freetext" href="https://lists.quantum-espresso.org/mailman/listinfo/users">https://lists.quantum-espresso.org/mailman/listinfo/users</a></div></div></div><br><fieldset class="moz-mime-attachment-header"><br></fieldset><pre class="moz-quote-pre">_______________________________________________<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 class="moz-txt-link-abbreviated" href="http://www.max-centre.eu">www.max-centre.eu</a>)<br>users mailing list <a class="moz-txt-link-abbreviated" href="mailto:users@lists.quantum-espresso.org">users@lists.quantum-espresso.org</a><a class="moz-txt-link-freetext" href="https://lists.quantum-espresso.org/mailman/listinfo/users">https://lists.quantum-espresso.org/mailman/listinfo/users</a></pre></blockquote><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>