关于指导手册中提到的maxwell 3D静电场与直流传导电场相互配合问题

crosscornor

The DC conduction solver can be coupled with an electrostatic simulation, where the electric potentials found in the conductors are used as a voltage boundary condition for the  electric field solution in the insulators in an electrostatic simulation.

直流传导电场求解器可以与静电场模拟相配合，（直流传导求解器中获得的）导体中的电势可以作为静电场模拟的边界条件
上面是我的翻译，不知道对不对？但我感觉我翻译之后理解上有点困难，
能否举一个简单的例子进一步说明一下

as2445258

The background region is non-conducting and will be excluded from the solutions有没有人知道这是为什么 ？