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<p>After the first email, I played around and find that it is caused
by the average ionization in sesame module. <br>
</p>
<p>FLASH has use Thomas Fermi ionization to model the average
ionization level at low temperature. <br>
</p>
<p>But it is weird that the ionization level at room temperature
come with al-imx-003.ses or al-imx-003.cn4 doesn't match TF model.
<br>
</p>
<p>The minimum ionization level is around 0.015 but 0.02 is used
instead, that is ms_targZmin at work. <br>
</p>
<p>But TF gave around 2.4 at room temperature and ms_targZmin is not
applied. It seems like the code take the maximum value between
ms_targZmin and data.</p>
<p>My guess is that as long as the average ionization level
initiated with too large value it is difficult to get laser
heating. So other table from sesame also dont work.<br>
</p>
<p>I appreciate if anyone or from developers can comment about this.
Thanks. <br>
</p>
<pre class="moz-signature" cols="72">Regards,
Ong
</pre>
<div class="moz-cite-prefix">On 10/02/2023 12:11 am, Matthew
Trantham wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CALEndx5=dGwX8EJkEn8Ur_p=0nrOn6K9wERPrm8sNqj=fL628g@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div dir="ltr">I am also experiencing similar problems using
sesame tables. I cannot get the laser to drive a shock using a
sesame table I cut out myself per the example in the manual
(although al-imx-003.ses does work in LaserSlab).
<div><br>
</div>
<div>I tried the LaserSlab problem in 1D, also using the 3720
table. I see no compression or heating of the Aluminum
although there is laser deposition and expansion of the
Aluminum. I've attached images of the Ion/Electron temps, Mass
Density and Material boundaries, and the Laser Deposition.</div>
<div><br>
</div>
<div>Finally, the problem is not constrained to 3720, I've tried
a lot of tables and I don't know what I'm doing wrong.</div>
<div><br>
</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Mon, Jan 30, 2023 at 3:45
AM Ong Jian Fuh <<a href="mailto:jianfuh.ong@eli-np.ro"
moz-do-not-send="true" class="moz-txt-link-freetext">jianfuh.ong@eli-np.ro</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
<p>Dear FLASH developers,</p>
<p>I am running FLASH4.7 using SESAME table for aluminum
(mat id 3720). In LaserSlab par file, ms_targZMin = 0.02.
This is fine by using al-imx-003.cn4, where the z_bar
shows 0.02 for Targ species. But when I use SESAME table
(directly after sesame-extract with opacplot), the z_bar
is 2.461 although ms_targZMin = 0.02 is set. What is the
reason in this case? What is the difference with
sim_zminTarg in config?</p>
<p>When I use "eos_gam" the z_bar is 13.<br>
</p>
<p>The problem in using SESAME is that there is no heating
(I have used BDRY condition), while there is heating using
al-imx-003.cn4.<br>
</p>
<p>al-imx-003.cn4:</p>
<p><img src="cid:part1.EPtenAiV.k0I0k1tz@eli-np.ro" class=""><img
src="cid:part2.K1rV0F9B.2jBT7rcU@eli-np.ro" class=""></p>
<p><br>
</p>
<p><br>
</p>
<p>SESAME mat_id 3720<br>
</p>
<p><img src="cid:part3.f9lyG0iv.KWd1cP4V@eli-np.ro" class=""></p>
<img src="cid:part4.pui6Q5O3.6JCGkFkX@eli-np.ro" class="">
<pre cols="72">--
Regards,
Ong
Ong Jian Fuh
Extreme Light Infrastructure - Nuclear Physics
"Horia Hulubei" National Institute for Physics and Nuclear Engineering
30 Reactorului Street, 077125 Magurele (Ilfov), Romania
<a href="http://www.eli-np.ro" target="_blank" moz-do-not-send="true">www.eli-np.ro</a></pre>
</div>
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