<div dir="ltr"><div dir="ltr"><div>Hi Eddie,</div><div><br></div><div>Thank you for your email. I still want the radiation transport (hence wavelengths of the photons) to be carried out at a specific temperature. If I modified "<font color="#ff0000">urad_tot = urad_tot + urad(g)"</font> from <font color="#0000ff">RadTrans_mgdUFromT.90</font> file and multiplied it by a constant to decrease the energy deposited to match the intensity i have in mind; would that work? Thanks.</div><div><br></div><div><div dir="ltr" class="gmail_signature"><div dir="ltr"><div>Regards,</div><div>Youssef</div><div><i><br></i></div><div><i><br></i></div><div><i>------------------------------------------------------------------------------------------------------</i></div><div><b style="background-color:rgb(255,255,255)"><font color="#999999">Youssef Abouhussien</font></b></div><i style="background-color:rgb(255,255,255)"><font color="#999999">Research Assistant</font></i><div><i style="background-color:rgb(255,255,255)"><font color="#999999">Doctoral Student</font></i></div><div><span style="background-color:rgb(255,255,255)"><font color="#999999">Virginia Commonwealth University</font></span></div><div><span style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:14.6667px;background-color:rgb(255,255,255)"><font color="#999999">Dept. of Mechanical and Nuclear Engineering</font></span><br></div></div></div></div><br></div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Wed, Jan 8, 2025 at 6:58 PM Hansen, Eddie <<a href="mailto:ehansen@pas.rochester.edu">ehansen@pas.rochester.edu</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 class="msg7477324390332980914">
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<p class="MsoNormal"><span style="font-size:11pt">Hi Youssef,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt">The BC for RadSlab is not spatially-varying; it is just a single radiation temperature along the entire Yl boundary (the “dirichlet” boundary). There are runtime parameters that control the value of that temperature
and some time-dependence, which are used in Simulation_adjustEvolution.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt">If you have a specific intensity in mind, then you’d have to calculate what temperature that would be (e.g., I ~ T^4 for a blackbody).<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:black">--</span><span style="font-size:10pt;font-family:Calibri,sans-serif;color:black"><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:rgb(24,26,27)">Eddie Hansen</span><span style="font-size:10pt;font-family:Calibri,sans-serif;color:black"><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:rgb(24,26,27)">Applications Group Leader<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:rgb(24,26,27)">Flash Center for Computational Science</span><span style="font-size:10pt;font-family:Calibri,sans-serif;color:black"><u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p>
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<p class="MsoNormal" style="margin-bottom:12pt"><b><span style="color:black">From:
</span></b><span style="color:black">flash-users <<a href="mailto:flash-users-bounces@flash.rochester.edu" target="_blank">flash-users-bounces@flash.rochester.edu</a>> on behalf of Youssef Abouhussien <<a href="mailto:abouhussieny@vcu.edu" target="_blank">abouhussieny@vcu.edu</a>><br>
<b>Date: </b>Saturday, January 4, 2025 at 4:31 PM<br>
<b>To: </b><a href="mailto:flash-users@flash.rochester.edu" target="_blank">flash-users@flash.rochester.edu</a> <<a href="mailto:flash-users@flash.rochester.edu" target="_blank">flash-users@flash.rochester.edu</a>><br>
<b>Subject: </b>[FLASH-USERS] question about radslab<u></u><u></u></span></p>
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<p class="MsoNormal">Hi flash users,<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">In RadSlab example for X-rays ablation, how can you specify the intensity? usually for blackbody source it's specified by the radiation temperature (cant change that for radiation transport purposes) and distance from target (for a point
source) .<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Also i cant tell where the location of the source or shape (planar, point etc ) .<u></u><u></u></p>
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<p class="MsoNormal">thanks.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Regards,<u></u><u></u></p>
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<p class="MsoNormal">Youssef<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><i>------------------------------------------------------------------------------------------------------</i><u></u><u></u></p>
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<p class="MsoNormal"><b><span style="color:rgb(153,153,153);background:white">Youssef Abouhussien</span></b><u></u><u></u></p>
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<p class="MsoNormal"><i><span style="color:rgb(153,153,153);background:white">Research Assistant</span></i><u></u><u></u></p>
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<p class="MsoNormal"><i><span style="color:rgb(153,153,153);background:white">Doctoral Student</span></i><u></u><u></u></p>
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<p class="MsoNormal"><span style="color:rgb(153,153,153);background:white">Virginia Commonwealth University</span><u></u><u></u></p>
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<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(153,153,153);background:white">Dept. of Mechanical and Nuclear Engineering</span><u></u><u></u></p>
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