Dear Agnieszka,
have you added the LOW-MAT card to associate ARGONHP to the corresponding low-energy neutron cross-sections?
If this does not solve your problem, could you possibly send the input file or a minimal version of it in order to reproduce the crash?
Thanks, luigi
> On 23 Oct 2017, at 22:43, Agnieszka Witkowska <witkowskaagnieszka07_at_gmail.com> wrote:
>
> Dear Fluka Users,
>
> I encountered a problem using MAT-PROP card.
>
> I am simulating radioactive decay of the radium isotope and measuring the dose equivalent by USRTRACK card in high pressure ionization chamber in volume defined as sphere filled with argon.
>
> I was trying to apply by MAT-PROP card pressure of 25atm for argon, leaving other parameters as default ones. For that purpose I defined a new material with name "ARGONHP", with atomic number 18 and atomic weight 40 (the same as for default argon) and assigned it to MAT-PROP card and sphere filled with argon. Unfortunately, my simulation crashed, it is not running, even .err is not created.
>
> In order to find out if the problem is with MAT-PROP card or with the definition of MATERIAL card for new ARGONHP I removed MAT-PROP card and just left MATERIAL card for the new argon ARGONHP. Simulation crashed once again so my assumption is that the problem is with adding new material with the same atomic number and atomic weight as has the predefined one.
>
> Can You please advise if my assumption is correct? Can You please help me how to correctly assign 25atm for argon?
>
> Best regards,
> Agnieszka Witkowska
>
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Received on Tue Oct 24 2017 - 15:31:40 CEST