Radiative splitting ausgab object (AO) #472
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Add an ausgab object to turn on or off the intrinsic radiative event splitting available in EGSnrc, via the variable the_egsvr->nbr_split. Required new setRadiativeSplitting methods in the application and advanced application class to set the_egsvr->nbr_split accordingly.
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Rebased on develop, squashed commits and adjusted style and commit text. |
ftessier
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Aug 29, 2018
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@rtownson @blakewalters please review! |
blakewalters
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Aug 30, 2018
rtownson
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Aug 30, 2018
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A first step for implementing the variance reduction technique (VRT) radiative splitting via an AO making this VRT available to any C++ application. It simply turns on the intrinsic uniform radiative splitting in
EGSnrcby settingnbr_splitto a user-defined value which can have the following effects:nbr_split > 1: uniform radiative splitting (URS) is ONnbr_split = 1: no radiative splittingnbr_split < 1: Radiative events OFF !!!This should make possible the efficient simulation of electronic brachytherapy sources. It will also allow modelling x-ray tubes and linacs albeit less efficiently than the DBS technique as implemented in
BEAMnrc. The next step is to implement directional radiative splitting which would increase the efficiency in the simulation of x-ray tubes and linacs.The syntax to define this AO is simply: