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Comsol Crashes when computation is ON!
Posted 16.03.2012, 10:44 GMT-4 Version 4.2a 1 Reply
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Dear All,
I am modelling an electrical machine in 3D, considering only 1/4th of the machine cross section. I am using magnetic fields interface, moving mesh and some Global PDE equations. I think the BCs are well defined because I get the convergence when I used Relative Permeability for the magnetic field equation. I have two issues:
1) the stationary solver works fine when i use Relative Permeability for the magnetic field, but it does not converge and gives 'matrix has zero on diagonal' error when I use the HB curve.
2)when working with 'Relative Permeability' (the stationary solver had converged), I tried to use the solution of the stationary solver as an initial condition to the time-dependent solver. Whenever I click the compute button, the software crashes. Everytime I click the compute button COMSOL crashes. I am wondering what may be the cause.
FYI, I am using 8-core processor and 16 GB RAM for the computation.
Regards
I am modelling an electrical machine in 3D, considering only 1/4th of the machine cross section. I am using magnetic fields interface, moving mesh and some Global PDE equations. I think the BCs are well defined because I get the convergence when I used Relative Permeability for the magnetic field equation. I have two issues:
1) the stationary solver works fine when i use Relative Permeability for the magnetic field, but it does not converge and gives 'matrix has zero on diagonal' error when I use the HB curve.
2)when working with 'Relative Permeability' (the stationary solver had converged), I tried to use the solution of the stationary solver as an initial condition to the time-dependent solver. Whenever I click the compute button, the software crashes. Everytime I click the compute button COMSOL crashes. I am wondering what may be the cause.
FYI, I am using 8-core processor and 16 GB RAM for the computation.
Regards
1 Reply Last Post 16.03.2012, 11:00 GMT-4
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Posted:
1 decade ago
This is what is shows when I tried to debug.
An unhandled win32 exception occured in comsol.exe
An unhandled win32 exception occured in comsol.exe