This Tutorial requires version 4.0.18 or higher.
Start the program
Start the program and select menu item File > New. This will create an empty solid view:
Create a new cuboid object
Select menu item Config > Make magnet > Cuboid. A cuboid will be created and its edit window will be presented. You will be asked to give the cuboid a name:
Enter the name myMagnet and click the OK button (or press the enter key). Now the solid view will look something like this:
Make magnetic material
A cuboid has to be assigned a magnetic material before it will act as a magnet. To create a magnetic material, select menu item Config > Make material > Hard magnet. A material dialog will appear, asking for a material name. Enter the name myMaterial and click the OK button to dismiss the name sheet. Then the dialog will look like this:
The remanence is the magnitude of the magnetization, expressed in units of tesla (T). The remanence director is a vector indicating which way the magnetization points. When the material is used by a magnet, this vector refers to the direction of magnetization in the coordinate frame of the magnet, not the laboratory. This is so you can turn the magnet, and the magnetization will turn with it. The remanence vector is the product of the remanence magnitude and the remanence director. For a hard magnetic material the susceptibility is locked to zero.
Attach the material to the magnet
Go back to the edit window for the magnet. If you have closed it just double-click on the picture of the magnet on the solid view. You can also double-click the name of the magnet in the list to the left of the picture. On the edit window for the magnet select the Matter tab, where you will find a popup menu that will let you chose the material you just created:
Verification
Now you have a cuboid and material combination that describes a magnet. To see that it creates a magnetic field, we will make a linear probe. Select menu item Config > Make probe > Linear. Name it z-axis and give it a size comparable to the magnet by entering a path with mm units, like this:
Using the Field > Recompute menu item will produce a graph of field versus position. You can click on the curve to see field values:
