how to use magnetic scalar potential ...

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Author Message   ma fusheng (mfs1221) New member Username: mfs1221 Post Number: 1 Registered: 10-2008 Posted on Friday, October 24, 2008 - 04:26 am:    Hello, all i have seen the example using magnetic vector potential to solve "permanent magnetization", these days i am trying to solve the same question with magnetic scalar potential, but I did not work out and would appreciate for your help. the attachment is my script magnetic scalar potential magnetic scalar potential.pde (1.3 k)   Robert G. Nelson (rgnelson) Moderator Username: rgnelson Post Number: 1184 Registered: 06-2003 Posted on Friday, October 24, 2008 - 01:19 pm:    Are you sure you want to force phi=0 on all boundaries? Natural(phi)=0 on the axis actually generates some fields.   ma fusheng (mfs1221) New member Username: mfs1221 Post Number: 2 Registered: 10-2008 Posted on Monday, October 27, 2008 - 03:28 am:    Dear Mr.Nelson, thanks for your reply and suggestion. I have changed the boundary condition as your suggestion, and got the result similar to magnetic vector potential case. bset regards.