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<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Hi Matt<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I could implement the Newmark method with your assistance. No
problem. By it has to make sense for my work.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>How fast and memory efficient is the petsc TS? Is it optimized
in some way or implemented in some clever way numerically?<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>KR, Lars<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Fra:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
owner-petsc-users@mcs.anl.gov [mailto:owner-petsc-users@mcs.anl.gov] <b>På
vegne af </b>Matthew Knepley<br>
<b>Sendt:</b> 2. december 2008 14:29<br>
<b>Til:</b> petsc-users@mcs.anl.gov<br>
<b>Emne:</b> Re: Timesolver: Newmark method?<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>On Tue, Dec 2, 2008 at 5:55 AM, Lars Rindorf <<a
href="mailto:Lars.Rindorf@teknologisk.dk">Lars.Rindorf@teknologisk.dk</a>>
wrote:<o:p></o:p></p>
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<p>Dear all <o:p></o:p></p>
<p>Is it planned to do the Newmark time scheme for second order time
differential equations in petsc?<o:p></o:p></p>
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<p class=MsoNormal><br>
We have not planned to do it, however if you would like to contribute it, we
would help you do it. The<br>
TS strcutures are fairly straightforward and looking at Crank-Nicholson should
help.<br>
<br>
Thanks,<br>
<br>
Matt<br>
<o:p></o:p></p>
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<p>KR<o:p></o:p></p>
<p><b><span style='color:#003366'>_____________________</span></b><o:p></o:p></p>
<p><b><span style='color:#003366'>Lars Rindorf</span></b><o:p></o:p></p>
<p><span style='font-size:10.0pt;color:#003366'>Technology consultant, Ph.D.</span><o:p></o:p></p>
<p><span style='font-size:10.0pt;color:#003366'> </span><o:p></o:p></p>
<p><span style='font-size:10.0pt;color:#003366'>Mobile +45 7220 3367</span><o:p></o:p></p>
<p><span style='font-size:10.0pt;color:#003366'> </span><o:p></o:p></p>
<p><b><span style='font-size:10.0pt;color:#003366'>Surfaces and microtechnology</span></b><o:p></o:p></p>
<p><span style='font-size:10.0pt;color:gray'>Danish Technological Institute</span><o:p></o:p></p>
<p><span style='font-size:10.0pt;color:gray'>Gregersensvej</span><o:p></o:p></p>
<p><span style='font-size:10.0pt;color:gray'>2630 Taastrup</span><o:p></o:p></p>
<p><span style='font-size:10.0pt;color:gray'>Denmark</span><o:p></o:p></p>
<p><span style='font-size:10.0pt;color:gray'><a href="http://www.dti.dk/"><span
style='color:gray'>http://www.dti.dk</span></a></span><o:p></o:p></p>
<p><span style='font-size:10.0pt;color:gray'>Phone +45 7220 2000</span><o:p></o:p></p>
<p> <o:p></o:p></p>
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<p class=MsoNormal><br>
<br>
<br>
-- <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<o:p></o:p></p>
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