<span style="caret-color: rgb(255, 255, 255); font-family: Helvetica; font-size: 12px;"><font color="#000000">Hi</font></span><div style="caret-color: rgb(255, 255, 255); font-family: Helvetica; font-size: 12px;"><font color="#000000"><br /></font></div><div style="caret-color: rgb(255, 255, 255); font-family: Helvetica; font-size: 12px;"><font color="#000000">I have to insist in remarking that changing the collective variable space along a run is conceptually wrong</font></div><div style="caret-color: rgb(255, 255, 255); font-family: Helvetica; font-size: 12px;"><font color="#000000">Even if it were possible to run, whatever you get is not a reliable result. </font></div><div style="caret-color: rgb(255, 255, 255); font-family: Helvetica; font-size: 12px;"><font color="#000000">The metdynamic potential contributions (the hills) have the dimension of the collective variable space, you cannot change abruptly this dimension. </font></div><div style="caret-color: rgb(255, 255, 255); font-family: Helvetica; font-size: 12px;"><font color="#000000">Also changing the definition of one collective variable along one simulation is wrong. </font></div><div style="caret-color: rgb(255, 255, 255); font-family: Helvetica; font-size: 12px;"><font color="#000000"><br /></font></div><div style="caret-color: rgb(255, 255, 255); font-family: Helvetica; font-size: 12px;"><font color="#000000">This said, it is expected that the simulation cannot run, because the restarting procedure works by reading all the past information on the spawned hills. If N CV are defined it expects to find these information in N dimensions within the restart file, and obviously these are not available. </font></div><div style="caret-color: rgb(255, 255, 255); font-family: Helvetica; font-size: 12px;"><font color="#000000"><br /></font></div><div style="caret-color: rgb(255, 255, 255); font-family: Helvetica; font-size: 12px;"><font color="#000000">Regards</font></div><div style="caret-color: rgb(255, 255, 255); font-family: Helvetica; font-size: 12px;"><font color="#000000">Marcella</font></div><div style="caret-color: rgb(255, 255, 255); font-family: Helvetica; font-size: 12px;"><font color="#000000"> </font></div><br /><div class="gmail_quote"><div dir="auto" class="gmail_attr">On Wednesday, May 10, 2023 at 1:25:59 PM UTC+2 廉永健(lianyongjian) wrote:<br/></div><blockquote class="gmail_quote" style="margin: 0 0 0 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">Dear DR.
Marcella<br><div> Thank you for your response. The detailed operation is as follows: this task has been running for 26 ps, but at 25.5 ps, I found that an unexpected reaction occurred. Therefore, I copied cp2k-1. ener, cp2k. inp, cp2k COLVAR. metadynLog, cp2k HILLS. metadynLog, cp2k-1_ 25500. start, mix. cif to a new folder, and then save the results in cp2k-1. ener, cp2k. inp, cp2k COLVAR. metadynLog, cp2k HILLS. metadynLog to only 25.5 ps, followed by cp2k. inp and cp2k-1_ A new colvar and its corresponding COLLECTIVE section were added to 25500. restart, and an error occurred in the end. Thank you for your help!</div><div class="gmail_quote"><div dir="auto" class="gmail_attr">在2023年5月10日星期三 UTC+8 15:32:17<Marcella Iannuzzi> 写道:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Dear ?<div><br></div><div>Without additional information it is hard to guess what the problem is. </div><div>Apparently the program expects to read data from the restart file, that are instead missing.</div><div>Anyway changing the type and number of collective variables along a metadynamics run is not correct in principle.</div><div>Regards</div><div>Marcella</div><div><br></div><div><br></div><div class="gmail_quote"><div dir="auto" class="gmail_attr">On Tuesday, May 9, 2023 at 3:38:29 PM UTC+2 廉永健(lianyongjian) wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Dear all<div>Recently, I am trying to study the potential energy surface of reaction by meta-dynamic. When I add a new colvar and corresponding COLLECTIVE section to input file and restart file, and run the restart calculation, the program reports an error with the error content being 'tried to go past end'. Why? How should I solve this error. Thans for your time and patience.</div><div><br></div></blockquote></div></blockquote></div></blockquote></div>
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