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Induction heating in ABAQUS, coil properties

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QuintenR

Mechanical
Nov 30, 2017
1
Hi all,

I'm trying to simulate an induction heating process using the co-simulation feature in Abaqus. There is a tutorial where a cylindrical rod is heated by induction (see pdf attached). In this tutorial they set the properties of the (copper) coil to air properties. Does anyone know why this is done?
Results when using air properties or copper properties in the coil are very different and I don't see why one would use air properties for the coil section. A body current density is applied as load (so the current through the coil is already defined and it is assumed uniform throughout the coil). Can it be that due to the copper properties this electrical field is changed?

Thanks in advance!
 
 http://files.engineering.com/getfile.aspx?folder=b8f3bb5e-5122-47f0-83b8-ad97d434ef00&file=Induction_Heating_of_a_Cylindrical_Rod.pdf
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