Learning outcome

A candidate who has passed the course will have a learning outcome in the form of acquired knowledge, skills, and general competence, as described below.

The candidate should:

• Obtain understanding for the connection between magneto-dynamics and transient thermal calculations.
• Know how to preprocess, process, and graphically present the results of typical examples of thermal heating by induction by use of commercial software.
• Manually calculate magnetic field strength, induced current, and power dissipated on semi-infinite objects.
• Understand the complexity of using non linear material characteristics on commercial software.

Course Description

This course includes use of Finite Element Method (FEM)-calculations on different electro thermal examples in general and induction heating specifically. Design of models with strongly nonlinear material characteristics by use of Maxwell’s and Fourier’s equations is emphasized.

By use of dedicated software the electromagnetic conditions at the first time step is calculated. These results are used to find the power developed in every geometric node. The power developed will be used in a transient thermal calculation that will give the temperature distribution in the geometry as a whole. The new temperature distribution will give new values to the parameters of the materials used, since they can be strongly depending on temperature. By the next time step the electromagnetic conditions in the geometry will be altered.

Teaching and Learning Methods

Lectures, mandatory exercises on computer, and voluntary exercises.

Assessment Methods

Mandatory exercises and final examination.

Minor adjustments may occur during the academic year, subject to the decision of the Dean