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<p class="MsoNormal"><span lang="EN-GB" style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB">Dear flash team,</span><span style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"> </span><span style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB">I’m working on a modified version of the ZPinch setup. I’ve been experiencing oscillations in the temperature which vanishes when switching off RadTrans.
That’s why I’ve switched on the runtime flag rt_computeDt = .true. in flash.par. This worked well as long as I was using an ideal gas law for electrons and ions. Now I’ve switched to tabulated eos and run into the following error</span><span style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"> </span><span style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB">Error message is [Eos] Unrecognized input mode given to Eos</span><span style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"> </span><span style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB">I’ve traced origin of the error to the Eos call in </span><span style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB">source/physics/RadTrans/RadTransMain/MGD/RadTrans_computeDt. </span><span style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"> </span><span style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB">The eos mode in this call is MODE_DENS_TEMP_ELE, which is not recognized by the select statement in line 495 in the file </span><span style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB">source/physics/Eos/EosMain/multiTemp/Multitype/Eos</span><span style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"> </span><span style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB">The error can be reproduced by compiling the standard magnetoHD/ZPinch example, after setting rt_computeDt = .true. in flash.par.</span><span style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"> </span><span style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB">Why does this happen? Is there a way to use both tabulated eos and rt_computeDT?</span><span style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"> </span><span style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB">Best,</span><span style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB">Markus</span><span style="color:black;mso-ligatures:none;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p style="margin-bottom:0cm"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br>
Dr. Markus Nöth<br>
Scientist<br>
+49 89 262023263<o:p></o:p></span></p>
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