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Discontinuity due to Interior edge !!!

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Old   April 26, 2013, 22:19
Default Discontinuity due to Interior edge !!!
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Hi guys,

I'm solving the energy equation on two solid zones with the same physical properties separated by an interior type edge. But, I'm observing a small but noticeable discontinuity in the solution at the interior edge which is obviously not correct !!! I'm not using a very fine mesh but I'm confused why is it happening ?
If I don't use an edge, the discontinuity will disappear, so it is because of the edge !! Does the interior edge play any role in the computations ?
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