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the problem about the compute of the magnetic

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Hello everyone, I am now working in simulating the magnetic,I have chosen the mf magetic physical filed,I have defined the Pulse current waveform,and added the current to de boundry . I select the Transient solver, and  Set a time step. but It can only compute the impulse current of two cycles, then the solver tell me that it goes wrong when the time nears to the sceond cycle,
I have  refined the grid, but  there's the same problem. how could i to solve this problem,?
I am looking forward to your reply 
    Thank you 
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0 Replies Last Post 27.11.2017, 01:57 GMT-5
COMSOL Moderator

Hello Duanchao

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