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<p class="MsoNormal"><span style="font-size:11.0pt">Hi Youssef,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">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.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">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).<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black">--</span><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:#181A1B">Eddie Hansen</span><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:#181A1B">Applications Group Leader<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:#181A1B">Flash Center for Computational Science</span><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></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">flash-users <flash-users-bounces@flash.rochester.edu> on behalf of Youssef Abouhussien <abouhussieny@vcu.edu><br>
<b>Date: </b>Saturday, January 4, 2025 at 4:31 PM<br>
<b>To: </b>flash-users@flash.rochester.edu <flash-users@flash.rochester.edu><br>
<b>Subject: </b>[FLASH-USERS] question about radslab<o:p></o:p></span></p>
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<p class="MsoNormal">Hi flash users,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></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) .<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Also i cant tell where the location of the source or shape (planar, point etc ) .<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">Regards,<o:p></o:p></p>
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<p class="MsoNormal">Youssef<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"><i>------------------------------------------------------------------------------------------------------</i><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="color:#999999;background:white">Youssef Abouhussien</span></b><o:p></o:p></p>
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<p class="MsoNormal"><i><span style="color:#999999;background:white">Research Assistant</span></i><o:p></o:p></p>
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<p class="MsoNormal"><i><span style="color:#999999;background:white">Doctoral Student</span></i><o:p></o:p></p>
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<p class="MsoNormal"><span style="color:#999999;background:white">Virginia Commonwealth University</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#999999;background:white">Dept. of Mechanical and Nuclear Engineering</span><o:p></o:p></p>
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