Re: [fluka-discuss]: BEO

From: Mikhail Polkovnikov <pmk_at_ihep.ru>
Date: Thu, 20 Aug 2015 12:55:58 +0300

On 20.08.2015 10:45, teterev wrote:
> Hello!
> Can I calculate the number of emitted neutrons by using Fluka, if the
> source of neutron is located in the middle and around it located BEO?
> I do not know how to build the geometry, if it is possible to make
> this calculation, how to determine the neutron source? Set in the
> middle of a neutron as BEAMPOS? And can I calculated the neutron yield
> around BEO by using USRYIELD?
> Thank you very much!!!

To implement an isotropic, uniform point-like (sphere with very small
radius) source use BEAMPOS card with type FLOOD. Another BEAMPOS card
set the position of the source.

*...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....
BEAM -0.001 -1.0NEUTRON
BEAMPOS 0.0 0.0 0.0
BEAMPOS 0.0001 0.0 0.0 FLOOD


Best regards,
Mikhail

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Received on Thu Aug 20 2015 - 13:15:02 CEST

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