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--></style></head><body lang=EL link=blue vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=EN-US>I am afraid that it does not work using .imx files. In the par file I use the following parameters<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>op_targFileType = "ionmix1"<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>op_targFileName = "h-100grp-lte.imx"<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>but then I get an abort. In particular in the log file I get <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>DRIVER_ABORT: [op_readIonmixTables] ERROR: bad size of IONMIX energy group grid<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Searching in the forum I found that FLASH uses only the .cn4 files, the other .imx files are just provided for convenience (human readable output of the IONMIX code)<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><div style='mso-element:para-border-div;border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='border:none;padding:0cm'><b>From: </b><a href="mailto:klaus@flash.uchicago.edu">Klaus Weide</a><br><b>Sent: </b>Τετάρτη, 21 Ιουνίου 2017 19:25<br><b>To: </b><a href="mailto:stylianos.passalidis17@imperial.ac.uk">stylianos.passalidis17@imperial.ac.uk</a><br><b>Cc: </b><a href="mailto:flash-users@flash.uchicago.edu">flash-users@flash.uchicago.edu</a><br><b>Subject: </b>Re: [FLASH-USERS] Flash LaserSlab ionmix</p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>On Wed, 21 Jun 2017, stylianos.passalidis17@imperial.ac.uk wrote:</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>> Good morning, I am working on Flash for HEDP purposes and I would like </p><p class=MsoNormal>> to ask how to find a .cn4 file for hydrogen since the only available are </p><p class=MsoNormal>> for polystyrene, Al and He. Is there such file in order to simulate </p><p class=MsoNormal>> hydrogen- laser interaction?</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Stylianos,</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Welcome to FLASH-USERS.</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>There are actually some more IONMIX files in the FLASH release than the </p><p class=MsoNormal>ones with the suffix ".cn4" that you found. You can also find several </p><p class=MsoNormal>files with ".imx" which have been generated with IONMIX and may be usable </p><p class=MsoNormal>for you. Also possibly some files ending in ".cnr".</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Unfortunately not all ".imx" files appear to be in the same format.</p><p class=MsoNormal>Here is a quick guideline -</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>1. If the first four lines look like this:</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> ====================================================================== </p><p class=MsoNormal> 21 17 </p><p class=MsoNormal> atomic #s of gases: 2 </p><p class=MsoNormal> relative fractions: 1.00E+00 </p><p class=MsoNormal> 30</p><p class=MsoNormal> ====================================================================== </p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> then assume it is an IONMIX 4 output file.</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>2. If the first four lines look like this:</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> ====================================================================== </p><p class=MsoNormal> 30 5 </p><p class=MsoNormal> atomic #s of gases: 1 </p><p class=MsoNormal> relative fractions: 1.00E+00 </p><p class=MsoNormal> 0.100000E+010.140000E+020.333333E+00-.100000E+01 100</p><p class=MsoNormal> ====================================================================== </p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> then assume it is an IONMIX 1 output file.</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>3. If the first four lines look totally different from these two samples,</p><p class=MsoNormal> assume neither! </p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The important tell to distinguish between IONMIX 4 and IONMIX 1 is</p><p class=MsoNormal>whether the fourth line contains 5 numbers (4 reals and 1 integer) or</p><p class=MsoNormal>just 1 integer. (In either case the integer represents the number of</p><p class=MsoNormal>radiation energy groups for which the file contains opacities.)</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The IONMIX4 format is documented in section</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> 22.4.6 The IONMIX EOS/Opacity Format</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>of the Users Guide (e.g., https://flash.uchicago.edu/site/flashcode/user_support/flash4_ug_4p4/node140.html)</p><p class=MsoNormal>where IONMIX1 (just called IOMNIX there) is also mentioned.</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>In your case, you may be able to use an IONMIX1 file "h-100grp-lte.imx"</p><p class=MsoNormal>which is included in the FLASH release. You should find copies in the</p><p class=MsoNormal>Eos and Opacity units. Let us know if this does not solve your problem.</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Klaus</p><p class=MsoNormal><o:p> </o:p></p></div></body></html>