<html><head><base href="x-msg://866/"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Mar 16, 2013, at 8:37 PM, Lucas Abraham Willemsen wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-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; "><div ocsi="0" fpstyle="1"><div style="direction: ltr; font-family: Tahoma; color: rgb(0, 0, 0); font-size: 10pt; "><br>RuntimeError: Determinant of Jacobian (1.74667e-08) for cell 0 is smaller than minimum permissible value (1e-06)!<br> <br>This message doesn't really help me a lot. I have no idea why the Jacobian is bad, when the mesh elements seem to have such a nice aspect ratio.<br><br></div></div></span></blockquote><br></div><div>Try changing your non-dimenionalizing parameters. </div><div><br></div><div><div> normalizer.wave_period = 0.1*s</div><div><br></div></div>Changing the wave period normalizer to 0.1 sec got rid of that error for me. There are plenty of other setting that aren't set properly, though.<div><br></div><div>--Surendra</div></body></html>