<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">It can also happen if there is too much fault curvature. For this to happen, there must be 3 faces on the fault, which means pretty extreme curvature or your cell size is not fine enough for the fault geometry you are representing.<div><br></div><div>Charles</div><div><br></div><div><br><div><div>On 27/10/2011, at 4:29 AM, Matthew Knepley wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">On Wed, Oct 26, 2011 at 10:13 AM, faqidiao <span dir="ltr"><<a href="mailto:faqidiao@asch.whigg.ac.cn">faqidiao@asch.whigg.ac.cn</a>></span> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<u></u>
<div style="margin:10px">
<div>Brad,</div>
<div> </div>
<div> Thanks for your rapid response. I try my problem with new
version (pylith-1.6.1). However, error still occurred.</div>
<div>Please find the attached error information. I agree with you, this
perhaps induced by the fault topology. BUT,</div>
<div>I have checked my Lagrit running and it's result , all seems well. So,
I still puzzled about this. </div>
<div> </div>
<div> I also attached my problem, and I don't know whether you
have time to run my model and check where the</div>
<div>problem is?</div></div></blockquote><div><br></div><div>Here is the problem. Somewhere in your mesh, there is a terahedron with all 4 vertices on a fault. This can happen</div><div>because</div><div><br></div><div> a) there is a problem in your fault description</div>
<div><br></div><div> b) You have two faults which get too close to each other</div><div><br></div><div> Thanks,</div><div><br></div><div> Matt</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div style="margin:10px"><div> </div>
<div> </div>
<div> Thank you again!</div>
<div> </div>
<div> Faqi Diao</div>
<div> </div>
<hr style="width:210px;min-height:1px" align="left" color="#b5c4df" size="1">
<div><span><span style="color:#000000;font-size:10.5pt"></span></span> </div>
<div> </div>
<div style="border-bottom:medium none;border-left:medium none;padding-bottom:0cm;padding-left:0cm;padding-right:0cm;border-top:#b5c4df 1pt solid;border-right:medium none;padding-top:3pt">
<div style="padding-bottom:8px;padding-left:8px;padding-right:8px;background:#efefef;color:#000000;font-size:12px;padding-top:8px">
<div><b>From:</b> <a href="mailto:baagaard@usgs.gov" target="_blank">Brad Aagaard</a></div>
<div><b>Date:</b> 2011-10-26 12:45</div>
<div><b>To:</b> <a href="mailto:faqidiao@asch.whigg.ac.cn" target="_blank">faqidiao</a></div>
<div><b>CC:</b> <a href="mailto:cig-short@geodynamics.org" target="_blank">cig-short</a></div>
<div><b>Subject:</b> Re: [CIG-SHORT] An error when running Pylith
.</div></div></div>
<div>
<div>Faqi,</div>
<div> </div>
<div>The error message suggests that the nodeset/pset you are using to create the fault has a problem. This can happen if the fault has holes in it or there is a problem with the topology of the mesh. Another possibility is that there is a bug. We have made a lot of improvements since v1.4.2, so I recommend that you use the current release (v.1.6.1) and see if you still get the same error message.</div>
<div> </div>
<div>Regards,</div>
<div>Brad</div>
<div> </div>
<div> </div>
<div> -----faqidiao <<a href="mailto:faqidiao@asch.whigg.ac.cn" target="_blank">faqidiao@asch.whigg.ac.cn</a>> wrote: ----- </div>
<div> </div>
<div> ======================= </div>
<div> To: cig-short <<a href="mailto:cig-short@geodynamics.org" target="_blank">cig-short@geodynamics.org</a>></div>
<div> From: faqidiao <<a href="mailto:faqidiao@asch.whigg.ac.cn" target="_blank">faqidiao@asch.whigg.ac.cn</a>></div>
<div> Date: 10/25/2011 07:07PM</div>
<div> Subject: [CIG-SHORT] An error when running Pylith .</div>
<div> ======================= </div>
<div> </div>
<div> Hi all,</div>
<div> Recently, I met a problem when running Pylith1.4.2, and I don't know how to fix</div>
<div>it, though I have paid much time.</div>
<div> Attached is the error message, can you have a look and give some suggestions</div>
<div>on how to solve the problem?</div>
<div> </div>
<div> Thank you in advance!</div>
<div> </div>
<div> Best regards,</div>
<div> Faqi Diao_______________________________________________</div>
<div>CIG-SHORT mailing list</div>
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<div> </div>
<div>[attachment(s) "error message.png" removed by Brad Aagaard/GD/USGS/DOI]=</div></div></div>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br>What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br>
-- Norbert Wiener<br>
_______________________________________________<br>CIG-SHORT mailing list<br><a href="mailto:CIG-SHORT@geodynamics.org">CIG-SHORT@geodynamics.org</a><br>http://geodynamics.org/cgi-bin/mailman/listinfo/cig-short<br></blockquote></div><br><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">Charles A. Williams</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Scientist<br>GNS Science<br>1 Fairway Drive, Avalon<br>PO Box 30368<br>Lower Hutt 5040<br>New Zealand<br>ph (office): 0064-4570-4566<br>fax (office): 0064-4570-4600</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><a href="mailto:C.Williams@gns.cri.nz">C.Williams@gns.cri.nz</a></div></div></div></span></span>
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