|Message: Re: simulation gets stuck for small pixel size||Not Logged In (login)|
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I would suggest to post your message in the "Geometry" forum. Do you have any output (tracking/verbose) when the simulation gets stuck ? Have you seen if this is for example zero length steps occurring ?
On Wed, 18 Jan 2017 12:41:04 GMT, A. Hod wrote:
> Dear G4 users, > > I encountered one problem with scoring mesh. I have the following setup: > > 10 nm thick SiN layer ( box of 200 nm x 200 nm x 10 nm). This layer is > in a vacuum environment. > > An ideal detector is positioned directly on the bottom of SiN layer and > it is divided into 200 x 200 pixels using scoring mesh (pixel size is > 1nm x 1nm). An electron beam of 10 keV is used to irradiate the SiN > layer. I want to calculate the number of electron reaching the pixels > using scoring mesh (e.g. flatSurfaceCurrent. This works nicely for large > pixel sizes but using small pixel size as described in this post does > not work. The simulation gets stuck after some thousands events. This > happen every time when I make the pixel size smaller. Is there a pixel > size limit in geant4? > > Thanks in advance I look forward to receive your helps and suggestions. > > Cheers > > A.H. >