Hi everyone.
I am using an old version of Comsol, the 3.5 !
I am trying to simulate a generator with 32 poles and with permanent magnets of NdFeB. Because of this and because i want to simulate it with a specific stator sheet, i have already added this two materials to my Material Library.
I want to test if the voltage inducted at no load and at 127rpm is like the results of an article i have but as you can see my simulations are not giving a sinusoidal voltage (as it should). I tried to make almost every example of the AC/DC module but i am not getting any good feedback where my error could be. Anyone have an idea? I have attached the files.
Could the error be in the type of the system solver? I am using the default "Direct(UMFPACK). Is there other more apropriate for this "moving generator"? For the time stepping i am using "linspace(0,0.03,30)".
Thank you.
Best regards,
José Cardoso
I am using an old version of Comsol, the 3.5 !
I am trying to simulate a generator with 32 poles and with permanent magnets of NdFeB. Because of this and because i want to simulate it with a specific stator sheet, i have already added this two materials to my Material Library.
I want to test if the voltage inducted at no load and at 127rpm is like the results of an article i have but as you can see my simulations are not giving a sinusoidal voltage (as it should). I tried to make almost every example of the AC/DC module but i am not getting any good feedback where my error could be. Anyone have an idea? I have attached the files.
Could the error be in the type of the system solver? I am using the default "Direct(UMFPACK). Is there other more apropriate for this "moving generator"? For the time stepping i am using "linspace(0,0.03,30)".
Thank you.
Best regards,
José Cardoso