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<div class="moz-cite-prefix">Hi,<br>
To be more precise. Routines "makeabq" and "makebdq" are called if
you use hemholtz solver for passive scalars. The other option is
cvode, which uses slightly different scheme. I guess hemholtz is
default and to use cvode you have to add CVODE to preprocessing
flag. About the link to doxygen. This one is outdated so it could
be dangerous to use it. There is doxygen showing current beta2
version under <br>
<a class="moz-txt-link-freetext" href="https://adampep.github.io/KTH_Framework/files.html">https://adampep.github.io/KTH_Framework/files.html</a><br>
Regards<br>
Adam<br>
<br>
On 15/09/17 12:11, <a class="moz-txt-link-abbreviated" href="mailto:nek5000-users@lists.mcs.anl.gov">nek5000-users@lists.mcs.anl.gov</a> wrote:<br>
</div>
<blockquote type="cite"
cite="mid:mailman.833.1505470586.10190.nek5000-users@lists.mcs.anl.gov">
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<p>Hi Bolun Xu,</p>
<p>Yes,</p>
<p>you can see that in the conduct.f file( in which
convection-diffusion equation for temperature is solved): <a
moz-do-not-send="true"
href="http://www.mcs.anl.gov/research/projects/nek5/docs/html/conduct_8f_source.html">http://www.mcs.anl.gov/research/projects/nek5/docs/html/conduct_8f_source.html</a><br>
</p>
In the subroutine "makeabq" the same Adam-Bashforth coefficients
AB() are called and in the subroutine "makebdq", the BD()
coefficients are used again.<br>
<br>
best,<br>
Pierre-Emmanuel<br>
<br>
<br>
<div class="moz-cite-prefix">On 2017-09-15 11:47, <a
class="moz-txt-link-abbreviated"
href="mailto:nek5000-users@lists.mcs.anl.gov"
moz-do-not-send="true">nek5000-users@lists.mcs.anl.gov</a>
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:mailman.829.1505468844.10190.nek5000-users@lists.mcs.anl.gov">
<pre wrap="">Hi! All,
I learned from the subroutines makeabf and makebdf in navier1.f that the
time integration scheme for momentum equation is the AB-CN scheme, that
explicit schemes for nonlinear and forcing term, and implicit ones for
viscous term. The prefactors of those schemes are stored in AB() and BD()
arrays. Now my question is, whether the temperature/scalar equations also
use the same schemes as momentum ones and also share the same prefactors in
AB() / BD() arrays.
Any help is appreciated.
Regards.
----------------------------------------------------------------
Bolun Xu
University of Science and Technology of China
Department of Modern Mechanics
Hefei, Anhui, China
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