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Xiaodong

Problem of solving

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Hallo, I have built a 3D Modell of a electrically excited synchronous machine. During the solving a problem happend " Conductive region : SIGMA must be <> 0Impossible to continue to solve problemIncoherence of physical properties". It can not be solved. But I dont know why it happens.

Modell_Auto_Mesh.FLU.rar

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Hi,

You are right when I solve the project I get the error message : " Conductive region : SIGMA must be <> 0Impossible to continue to solve problemIncoherence of physical properties".

To fully understand the problem, I proceed as follows:

  • I delete all the isotropic resistivity of the materials

  • I solve the project >> the solving is ok

  • I add the resistivity of the first material: ALLOY_409

  • I solve again the project >> the solving work well

  • I do the same thing for the materials: GENERISCHER_MAGNET and VACODYM_677_AP

  • The solving work well

You will find attached the Flux project ready to solve.

I will check in more details, why with initial project we get the error message.

Best regards.

Modell_Auto_Mesh_solved_M3_Res.FLU.zip

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