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Forum: Space Applications
Re: Question Dose-depth curves from SSAT (Michael Harig)
Date: 16 Dec, 2015
From: Hugh Evans <Hugh Evans>

On Wed, 16 Dec 2015 01:50:06 GMT, Michael Harig wrote: > My apologies from the beginning. I am a new user to SPENVIS/GEANT4.

We all started somewhere!

> I am trying to evaluate radiation transport through various shielding
> materials in space environments such as on the ISS and/or Mars using
> SSAT tool in SPENVIS.

FYI, SSAT does not evaluate based on different materials, other than the simplest relative density of the material. It is a ray tracing tool, where the total shielding thickness in terms of g/cm2 is calculated for the target. If you really want to investigate the shielding effectiveness of various materials, I would point you to Mulassis (1D simulation) or GRAS (3D simulation).

> 
> Will someone please help point me in the right direction so that I can
> get the dose-depth curves plotted?

The dose-depth curves in Spenvis are obtained via the SHIELDOSE tool, found on the SPENVIS main menu as "Ionizing dose for simple geometries". From here you can create the dose-depth curve for the orbit, radiation belt and solar proton models you should previously have run. It is in SHIELDOSE where you include the shielding distribution from the SPENVIS SSAT run in order to calculate the total dose at the target in the SSAT geometry.

Regards, Hugh

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