From: Giuseppe Battistoni (Giuseppe.Battistoni@mi.infn.it)
Date: Wed May 11 2005 - 15:41:02 CEST
Dear Katherine,
the answer, if I understand correctly your question, is that one needs to
prepare PEMF only for the materials that you actually have in reality:
that means that if you a region filled, for instance, with AIR
(that you define as a gas mixture of N, O and AR) you must prepare the
PEMF for the mixture called AIR (giving inside the right parameters for
the 3 elements and the proper GASP pressure value). Instead you will not
prepare the PEMF for the individual elements N, O and AR.
[Notice that his is not exactly parallel to what we do for the hadronic
cross section tabulation: in general in the FLUKA input we need to insert
the MATERIAL card both for the compound/mixture and card for all
individual elements in the compound/mixture]
Be happy: the problem of creating PEMF is going to disappear in the next
FLUKA release!
Giuseppe
On Wed, 11 May 2005, Katherine Harine wrote:
> Date: Wed, 11 May 2005 08:21:04 -0500
> From: Katherine Harine <katherine.harine@msfc.nasa.gov>
> To: Alfredo Ferrari <Alfredo.Ferrari@cern.ch>,
> Giuseppe Battistoni <Giuseppe.Battistoni@mi.infn.it>,
> THOMAS L. WILSON <thomas.l.wilson@nasa.gov>
> Cc: fluka-discuss@fluka.org
> Subject: PEMF question
>
> In using the EMF option can elements be defined with each element name
> also being in the file generated by the PEMF preprocessor and then can
> these elements be combined in a COMPOUND card and then linked with a
> MATERIAL card?
>
> Or should one run the preprocessor for a mixture with the same name as
> the final MATERIAL card just using the total number of atoms for each
> element in the mixture of gasses.
>
> Or what is the proper way to use the EMF option with mixtures of gasses
> that are both element and compounds.
>
> If this is not clear, I'll put together an example.
>
>
> - Katherine
>
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