Volumetric calculation issue

CambridgeNuclear / SCONE

Stochastic Calculator Of Neutron transport Equation

https://scone.readthedocs.io

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Volumetric calculation issue #90

Open valeriaRaffuzzi opened 1 year ago

valeriaRaffuzzi commented 1 year ago

Problems with rayVolPP

vacuum boundary conditions have to added to trackRay
should change the robust check to the collision point (?)
NUDGE in cellUniverse is a bit dodgy and might cause troubles.

Mikolaj-A-Kowalski commented 1 year ago

Regarding the NUDGE I think #7 is probably related... The nudging in cellUniverse makes it move around a little bot on the order of 1.0e-8 which is sufficient to to erroneously choose a surface hit on a lower universe level.