Re: why some regions show 0 deposited enery values in some circles,

From: Alberto Fasso' <fasso_at_SLAC.Stanford.EDU>
Date: Tue, 28 Dec 2010 07:55:03 -0800 (PST)

Hi Danny,

> i choose electron as particle source,and i score DEPOSTIED ENERGY and
> dose by region.i want to detect the pdd in water,so i creat 30 regions
> in the a bigger water region.i run for a few circles,but among these 30
> regions,some show 0 deposited energy values in some circles,while in
> other circles they don't show 0 deposited energy values anymore.and as i
> increase the primaries,some regions (which show 0 values in a less
> primaries run) begin to show deposited energy value which no longer
> equal to 0,but some regions still stick to show 0 value of deposited
> energy values.

All this is easily explained by the lack of statistics. There are too few
primaries in each cycle.

> what's more,all 30 regions show 0 dose results in all
> circles.what's wrong?

In this case, something is wrong (if there is energy deposition, there
must be also dose). But you haven't given us any useful information.
Please send your input and output files

Alberto
Received on Tue Dec 28 2010 - 20:27:05 CET

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