<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Wed, May 9, 2018 at 2:34 PM, Amir <span dir="ltr"><<a href="mailto:mhbaghaei@mail.sjtu.edu.cn" target="_blank">mhbaghaei@mail.sjtu.edu.cn</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>Hello</div><div>I have a 2D polar computational domain, which equation specified on a tensor-product mesh.As I increase the number of nodes at the near center, I encounter that the LineSearch which I use generallly as bt, does not go well. In fact, I would not be able to converge. Do you have any idea on this? </div><div></div></blockquote><div><br></div><div>The convergence of nonlinear iterations depends strongly on the equation being solved. Its hard for us to say anything.</div><div>Maybe with more specifics, but there is not a lot that can be said.</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>Thanks </div><div>Amir</div><br><img class="m_-642752105312088409mailspring-open" alt="Open Tracking" width="0" height="0" style="border:0;width:0;height:0" src="https://link.getmailspring.com/open/1525890109.local-a037e657-7ca2-v1.2.1-7e7447b6@getmailspring.com?recipient=cGV0c2MtdXNlcnNAbWNzLmFubC5nb3Y%3D"></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>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</div><div><br></div><div><a href="http://www.caam.rice.edu/~mk51/" target="_blank">https://www.cse.buffalo.edu/~knepley/</a><br></div></div></div></div></div>
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