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Electromagnetics & Induction Heating

The team in SDEA_Engineering Solutions has significant experience in the multi-physics based simulation of induction heating processes for a range of industrial applications such as mold heating for plastic injection molding, non-destructive crack detection of steel parts and thermal surface treatment of components.

Induction heating is a process widely used in the industry for material processes such as surface heat treatment, welding or brazing. The induction heating process is based on the generation of eddy currents within the work-piece in response to an oscillating Electromagnetic field created by the inductor. The current subsequently produce heat through the Joule effect.

A precise control of the energy distribution, heating times and power delivery rates are some of the advantages that induction heating holds over other heating process. This high level of customization of the heating requires a detailed understanding of the physics relating to the spatial distribution and intensity of eddy currents through complex geometric parts in order to obtain the resulting temperature distribution.

SDEA uses a coupled numerical simulation approach involving the solution of the harmonic Maxwell equations to obtain the high frequency electromagnetic field, together with a thermal FEA model to study the temperature distribution due to the Joule heating effect. Parametrizing the model allows a precise understanding of the eddy current distribution in the work-piece for different geometric designs and input parameters.

Using this simulation based approach, SDEA can support the cost-effective design and optimisation of bespoke induction coil designs. Results from the simulation can also be used to inform engineering decisions on the design of associated components such as electric generators and capacitive boxes.

Contact us to get more information about SDEA_Engineering Solution´s induction heating modelling.