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<p class="MsoNormal"><span style="font-size:11.0pt">You shouldn’t manually edit that F90 file or setup_params. In your setup command, you just need to include ed_maxPulseSections=21 and then it should work. I just tested with this full setup command, and 21
sections were created:<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">./setup -auto LaserSlab -2d +cartesian +pm4dev species=cham,targ +mtmmmt +uhd3t +mgd mgd_meshgroups=6 +laser ed_maxPulseSections=21 +hdf5typeio<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-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#181A1B">Eddie Hansen</span><span style="font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#181A1B">Applications Group Leader<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#181A1B">Flash Center for Computational Science</span><span style="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="font-size:12.0pt;color:black">From:
</span></b><span style="font-size:12.0pt;color:black">flash-users <flash-users-bounces@flash.rochester.edu> on behalf of Owen Bardeen <owenbardeen@gmail.com><br>
<b>Date: </b>Thursday, July 17, 2025 at 12:04 PM<br>
<b>To: </b>flash-users@flash.rochester.edu <flash-users@flash.rochester.edu><br>
<b>Subject: </b>[FLASH-USERS] Adding Laser Pulse Sections<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">Hello all,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">I'm having difficulty adding extra sections to a laser pulse. I can have up to 20 but trying to set a pulse with 21 or more gives me this error:<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"> There is not enough storage for the laser pulses sections.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"> Increase the maximum number of pulses sections using the <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"> ed_maxPulseSections =<number of sections> setup option<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">However, cleaning the object folder and re-setting up with a higher value here gives the same error. Just trying 21 sections, I've added the parameters ed_power_1_21 and ed_time_1_21 for the extra pulse sections
to rp_initparameters.F90 and setup_params, to no avail. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">How can I get a laser pulse with more sections?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">I'm still using the LaserSlab module, FLASH version 4.7.1.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">Thank you!<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">Owen<o:p></o:p></span></p>
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