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<p class="MsoNormal">Hi Derek,<br>
<br>
Sorry for the late reply.<br>
<br>
1. The W-IMEX is used as the base method in TSEIMEX. So TSEIMEX implements 2.4b.<o:p></o:p></p>
<p class="MsoNormal">2. Thank you for catching the mismatch. An MR has been submitted to fix this.
<br>
<br>
Hong (Mr.) <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="color:black">From:
</span></b><span style="color:black">petsc-users <petsc-users-bounces@mcs.anl.gov> on behalf of Derek Teaney via petsc-users <petsc-users@mcs.anl.gov><br>
<b>Date: </b>Wednesday, June 12, 2024 at 10:22 AM<br>
<b>To: </b>petsc-users@mcs.anl.gov <petsc-users@mcs.anl.gov><br>
<b>Subject: </b>[petsc-users] Questions on EIMEX:<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-line-height-alt:.75pt"><span style="font-size:1.0pt;color:white">Dear All, I have a question and a comment on the TSEIMEX scheme in the TS routines. 1/ Looking at the cited reference, I see three schemes there 2.</span><span style="font-size:1.0pt;font-family:"Arial",sans-serif;color:white"> </span><span style="font-size:1.0pt;color:white">4b,
2.</span><span style="font-size:1.0pt;font-family:"Arial",sans-serif;color:white"> </span><span style="font-size:1.0pt;color:white">4c, 2.</span><span style="font-size:1.0pt;font-family:"Arial",sans-serif;color:white"> </span><span style="font-size:1.0pt;color:white">4d
. It is not clear which of these is being implemented.</span><span style="font-size:1.0pt;font-family:"Arial",sans-serif;color:white"> </span><span style="font-size:1.0pt;color:white">2/ The documentation for
<o:p></o:p></span></p>
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<p class="MsoNormal">Dear All,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I have a question and a comment on the TSEIMEX scheme in the TS routines.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">1/ Looking at the cited reference, I see three schemes there 2.4b, 2.4c, 2.4d . It is not clear which of these is being implemented.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">2/ The documentation for EIMEX mixes up F(u, udot ) and G(u) relative to the users manual. This may have been done on purpose, to <o:p></o:p></p>
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<p class="MsoNormal">conform with the Constantinescu ref., but a perhaps a comment is in order.<o:p></o:p></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">Derek<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="color:black">------------------------------------------------------------------------<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black">Derek Teaney<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black">Professor<br>
Dept. of Physics & Astronomy<br>
Stony Brook University<br>
Stony Brook, NY 11794-3800<br>
Tel: (631) 632-4489<br>
e-mail: Derek.Teaney@stonybrook.edu<br>
------------------------------------------------------------------------<o:p></o:p></span></p>
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