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Contact permeance coefficient

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rickfischer51

Mechanical
Jun 27, 2013
453
Does anyone know of a source for contact permeance coefficients in Henries/m2? I'm trying model magnetic fields in steel plates that are in physical contact with each other. I'm using the old LF emag still in Ansys mechanical, and it supports bonded contact. The contact element has a MAG dof and a real constant for the contact permeance coefficient. I have an idea of the value I need to use, but it would help to have some documentation to back it up.

Rick Fischer
Principal Engineer
Argonne National Laboratory
 
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Thanks for the reply. Thats the CONTA174 page in the MAPDL Theory Manual. The contact element seems to work, except that it doesnt match a run with an actual air gap. I was looking for a table of real world data for comparison.

Rick Fischer
Principal Engineer
Argonne National Laboratory
 

are you dealing with magnetic coatings or bulk laminates
 
Apparently good enough for 4-Sigma experiment!
 
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