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Forum: Medical Applications
Re: None inhomogenity in water (riazi)
Date: 03 Nov, 2011
From: michel maire <michel maire>

On Thu, 03 Nov 2011 10:23:52 GMT, riazi wrote:
> Dear Sir/Madam
> 
> Thank you in advance for your help
> 
> I wanted to study the effect of inserting a slab of dense bone to a
> cubic homogen water phantom on proton Bragg curve. Therefore,I first
> scored dose distribution of 190 MeV proton in a 40cm * 40cm * 40cm
> homogeneous cubic water phantom by a 30cm * 4cm * 4cm sensitive detector
> inside water phantom. Then I inserted a 4cm * 40cm * 40cm dense bone
> inside the water phantom at depth 10cm (from 8cm - 12 cm). Its mother
> volume is phantomPhyscalVolume and the detector volume is as same as the
> homogen condition. I expected that the position of Bragg peak is
> displaced, however the Bragg curves exactly fit to each other. Wath can
> be wrong? would you please give me some instruction to solve this.
> 

 Did you have a look at examples/extended/electromagnetic/TestEm7 ?

      Michel Maire

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