Re: [fluka-discuss]: Question about radioactive isotope source ?

From: Mikhail Polkovnikov <pmk_at_ihep.ru>
Date: Thu, 17 Mar 2016 16:39:35 +0300

On 17.03.2016 10:57, lzfneu wrote:
> Dear all,
>
> As practice, I want to calculate the spectrum of Co60 source by using
> the USRBDX card and the fluence distribution by using USRBIN card in
> vaccum.
>
> I consult the manual to define the isotope source requested in BEAM
> card via SDUM=ISOTOPE and also with HI-PROPE, RADDECAY and DCYSCORE
> cards written in my input file.
>
> When running my input file, there is an error information dumped in
> log file:
>
> Program received signal SIGFPE: Floating-point exception - erroneous
> arithmetic operation.
>
> Backtrace for this error:
> #0 0x7F5E12939497
> #1 0x7F5E12939ADE
> #2 0x7F5E11E3E8EF
> #3 0x465D81 in master.0.usrbdx at usrbdx.f:937
> #4 0x456791 in newplo_ at newplo.f:34
> #5 0x409C57 in flukam_ at flukam.f:3176 (discriminator 8)
> #6 0x40791B in fluka at fluka.f:289
> #7 0x7F5E11E2AD64
> shall be addressed to the FLUKA Collaboration Committee, through
> fcc_at_fluka.org.
> Any permission may only be granted in writing.
>
> It seems that the error is due to USRBDX card and also there is
> nothing data generated by USRBIN card.
>
> I have attatched the input files in the attatchment.
> Could any one help me ? Thanks in advance !
>
> Best regards,
>
> Zhefu Lee
>
Dear Zhefu Lee,

Try to setup proper Emin and Emax values for USRBDX card. I suppose it
is a mandatory in case of isotope source.

*...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....
USRBDX 1. PHOTON -22. TARGET VOID 1.usrbdx
USRBDX 1.5E-3 100.E-6 100. 1. &


Best regards,
Mikhail



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Received on Thu Mar 17 2016 - 16:39:50 CET

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