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Question Do I have to take the exception information seriously? 

Forum: Biasing and Scoring
Date: 01 Feb, 2017
From: Huagang Yan <Huagang Yan>

Hi experts,

I adapted the exampleB01 of biasing to calculate the dose and ionizations in a small volume(a few nanometers) placed in a large volume(hundreds of micrometers). Below shows the exception message. Do I have to take it seriously?

By the way, I cannot find a proper scorer that can count the ionizations properly. Could you advise me on this as well?

So far, I cannot succeed in scoring quantities in the small volume. When the importance value is large, or the number of events is large, the program terminates abnormally.



====================================================================== ++ ConcreteSD/Collisions id 0 ++ ConcreteSD/CollWeight id 1 ++ ConcreteSD/Population id 2 ++ ConcreteSD/TrackEnter id 3 ++ ConcreteSD/SL id 4 ++ ConcreteSD/SLW id 5 ++ ConcreteSD/SLWE id 6 ++ ConcreteSD/SLW_V id 7 ++ ConcreteSD/SLWE_V id 8 ### Run 0 start.

-------- WWWW ------- G4Exception-START -------- WWWW -------
*** G4Exception : GeomBias1001
      issued by : G4ImportanceAlgorithm::Warning()
Calculate() - ipre_over_ipost ! in [0.25, 4].
ipre_over_ipost = 0.02.
*** This is just a warning message. ***
-------- WWWW -------- G4Exception-END --------- WWWW -------

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