Industrial Educational Scientific Sample problems Examples gallery Step-by-step tutorials Verification examples Programming examples Distributive examples Success stories Customers Main >> Applications >> Sample problems >> DC electric motor DC motor simulation DC motor simulation, electric motor simulation, magnetic field inside electric motor This example is prepared by Bozena Boreta and Jacek Sosnowski Geometry of the DC motor: Given: The model of DC electric motor with permanent magnets you can analyze for: seven values of the steel cover thickness s: 1 - 8 mm, three values of the current density j. Solution: The calculations are performed to investigate the mechanical torque (per 1 m depth) in the function of the cover thickness and the current density (also other characteristics of materials). You can observe the saturation effect of the mechanical torque with the steel cover growth and a deformation of the field lines with the current density growth. This information can be useful in a design process. Results: View simulation report in PDF. Download simulation files (files may be viewed using any QuickField Edition).