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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Von:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Matthew Knepley [mailto:knepley@gmail.com]
<br>
<b>Gesendet:</b> Freitag, 31. März 2017 17:15<br>
<b>An:</b> Buesing, Henrik <HBuesing@eonerc.rwth-aachen.de><br>
<b>Cc:</b> petsc-users <petsc-users@mcs.anl.gov><br>
<b>Betreff:</b> Re: [petsc-users] Adaptive mesh refinement for transient problem<o:p></o:p></span></p>
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<p class="MsoNormal">On Fri, Mar 31, 2017 at 10:09 AM, Buesing, Henrik <<a href="mailto:HBuesing@eonerc.rwth-aachen.de" target="_blank">HBuesing@eonerc.rwth-aachen.de</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New"">Dear all,
</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New""> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-family:"Courier New"">I was wondering if it is possible to integrate adaptive mesh refinement into my code (transient, cell centered on a regular
grid). I was looking at DMForest, but I’m unsure how much effort is needed to include this.
</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-GB">The honest answer is, a lot of effort right now. Just using a grid you know you want is not that hard.
</span>However,<o:p></o:p></p>
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<p class="MsoNormal">incorporating a real refinement loop is not worked out yet. You can see how much code we had to use in<o:p></o:p></p>
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<p class="MsoNormal">TS ex11.<o:p></o:p></p>
<p class="MsoNormal"><b><i><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">[Buesing, Henrik] I see. Had a look at TS ex11 and even excluding the Riemann solver (assuming I can interpolate the unknowns at the hanging nodes) it seems
not totally trivial.</span></i></b><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
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<p class="MsoNormal">Toby and I hope to have a much more user-friendly interface soon (meaning by the end of summer). You can<o:p></o:p></p>
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<p class="MsoNormal">either wait for that, or help us get it up and going :)<o:p></o:p></p>
<p class="MsoNormal"><b><i><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif">[Buesing, Henrik] Let me finish my Ph.D. and I will come back to you for testing at the end of summer. :)</span></i></b><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-family:"Courier New"">…<o:p></o:p></span></p>
<p class="MsoNormal"><b><i><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Thank you!<br>
Henrik</span></i></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> Thanks,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> Matt<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-family:"Courier New"">Thank you!<br>
Henrik</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-family:"Courier New""> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-family:"Courier New"">--
</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-family:"Courier New"">Dipl.-Math. Henrik Büsing</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-family:"Courier New"">Institute for Applied Geophysics and Geothermal Energy</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-family:"Courier New"">E.ON Energy Research Center</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-family:"Courier New"">RWTH Aachen University</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New"">------------------------------------------------------</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New"">Mathieustr. 10 | Tel
<a href="tel:+49%20241%208049907" target="_blank">+49 (0)241 80 49907</a></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New"">52074 Aachen, Germany | Fax
<a href="tel:+49%20241%208049889" target="_blank">+49 (0)241 80 49889</a></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New"">------------------------------------------------------</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New""><a href="http://www.eonerc.rwth-aachen.de/GGE" target="_blank">http://www.eonerc.rwth-aachen.de/GGE</a></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New""><a href="mailto:hbuesing@eonerc.rwth-aachen.de" target="_blank">hbuesing@eonerc.rwth-aachen.de</a></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New"">------------------------------------------------------</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal">-- <o:p></o:p></p>
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<p class="MsoNormal">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<o:p></o:p></p>
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