HI everyone,
I'm a starter using the comsol 4.2a. And I would like to simulate the magnet force on an iron bar from a permanent magnet. The model is built and it works, but the simulation result own a great bias compared with the reasonable region.
The problem is the "Remanent flux density" setting of the permanent magnet. e.g its performance (Br) is 1.25 T from the datasheet. This number should be filled in which axis ? I tried to fill it in axis y, and the Br is { 0,1.2,0}. The picture attached show that the flux density direction is right, however, in the middle of magnet, the flux density is only around 0.1T (dark blue). This is not the parameters i want.
Would anyone like to show me how to setting this to fit the Br data with the data sheet?
I'm a starter using the comsol 4.2a. And I would like to simulate the magnet force on an iron bar from a permanent magnet. The model is built and it works, but the simulation result own a great bias compared with the reasonable region.
The problem is the "Remanent flux density" setting of the permanent magnet. e.g its performance (Br) is 1.25 T from the datasheet. This number should be filled in which axis ? I tried to fill it in axis y, and the Br is { 0,1.2,0}. The picture attached show that the flux density direction is right, however, in the middle of magnet, the flux density is only around 0.1T (dark blue). This is not the parameters i want.
Would anyone like to show me how to setting this to fit the Br data with the data sheet?