[Gate-users] Overlap using .STL

[Alexandre CARRÉ]

Hi Gate users

My geometry use .stl and after verification in my CAD software, there is no
overalap.
When i start my simulation in local with a number of primaries relatively
small (~10^6). I got no error. But when i split my job with 10^9 number of
primaries, i got this kind of  error regularly in .out  :

-------- WWWW ------- G4Exception-START -------- WWWW -------
*** G4Exception : GeomNav1002
      issued by : G4Navigator::ComputeStep()
Track stuck or not moving.
          Track stuck, not moving for 10 steps
          in volume -air_cylinder_phys- at point
(0.0284589,0.353025,-2.473) (local point (0.0284589,0.353025,-2.473))
          direction: (0.14509,0.443048,-0.884679) (local direction:
(0.14509,0.443048,-0.884679)).
          Potential geometry or navigation problem !
          Trying pushing it of 1e-07 mm ...Potential overlap in geometry!

-------- WWWW ------- G4Exception-START -------- WWWW -------
*** G4Exception : GeomNav1002
      issued by : G4Navigator::ComputeStep()
Track stuck or not moving.
          Track stuck, not moving for 10 steps
          in volume -iridium_core_phys- at point
(-0.186076,0.266325,-1.773) (local point (0.263924,0.716325,2.727))
          direction: (0.0464653,0.618628,0.784309) (local direction:
(0.0464653,0.618628,0.784309)).
          Potential geometry or navigation problem !
          Trying pushing it of 1e-07 mm ...Potential overlap in geometry!

Thanks in advance.

Alexandre
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