<div dir="ltr">Hi Gate users<div><br></div><div>My geometry use .stl and after verification in my CAD software, there is no overalap.</div><div>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  :</div><div><br></div><div><div>-------- WWWW ------- G4Exception-START -------- WWWW -------</div><div>*** G4Exception : GeomNav1002</div><div>      issued by : G4Navigator::ComputeStep()</div><div>Track stuck or not moving.</div><div>          Track stuck, not moving for 10 steps</div><div>          in volume -air_cylinder_phys- at point (0.0284589,0.353025,-2.473) (local point (0.0284589,0.353025,-2.473))</div><div>          direction: (0.14509,0.443048,-0.884679) (local direction: (0.14509,0.443048,-0.884679)).</div><div>          Potential geometry or navigation problem !</div><div>          Trying pushing it of 1e-07 mm ...Potential overlap in geometry!</div></div><div><br></div><div><div>-------- WWWW ------- G4Exception-START -------- WWWW -------</div><div>*** G4Exception : GeomNav1002</div><div>      issued by : G4Navigator::ComputeStep()</div><div>Track stuck or not moving.</div><div>          Track stuck, not moving for 10 steps</div><div>          in volume -iridium_core_phys- at point (-0.186076,0.266325,-1.773) (local point (0.263924,0.716325,2.727))</div><div>          direction: (0.0464653,0.618628,0.784309) (local direction: (0.0464653,0.618628,0.784309)).</div><div>          Potential geometry or navigation problem !</div><div>          Trying pushing it of 1e-07 mm ...Potential overlap in geometry!</div></div><div><br></div><div>

<span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">Thanks in advance.</span>

<br></div><div><br></div><div>Alexandre</div></div><div hspace="streak-pt-mark" style="max-height:1px"><img alt="" style="width:0px;max-height:0px;overflow:hidden" src="https://mailfoogae.appspot.com/t?sender=aeGVsYS5lcnJhY0BnbWFpbC5jb20%3D&type=zerocontent&guid=ec85e104-dc2d-40f2-9e36-de3ad3849de5"><font color="#ffffff" size="1">ᐧ</font></div><div id="DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br> <table style="border-top:1px solid #d3d4de">
        <tr>
      <td style="width:55px;padding-top:18px"><a href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail" target="_blank"><img src="https://ipmcdn.avast.com/images/icons/icon-envelope-tick-round-orange-animated-no-repeat-v1.gif" alt="" width="46" height="29" style="width: 46px; height: 29px;"></a></td>
                <td style="width:470px;padding-top:17px;color:#41424e;font-size:13px;font-family:Arial,Helvetica,sans-serif;line-height:18px">Garanti sans virus. <a href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail" target="_blank" style="color:#4453ea">www.avast.com</a>           </td>
        </tr>
</table>
<a href="#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2" width="1" height="1"></a></div>