|Message: Re: inhomogenity in water||Not Logged In (login)|
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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 ?