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Porous Green Gauss Node vs Least Squares Cell

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Old   February 1, 2013, 05:29
Default Porous Green Gauss Node vs Least Squares Cell
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I had a tube filled with a high quality hex mesh. Flow enters with 860C and walls have a constant temperature of 70C. I run it once with the Least Squares Cell based gradient and once with the Green Gauss Node based one. I get at the outlet two different temperatures, 216 for Least Squares and 214 for Green Gauss. I think the result with Least Square Cell based is "correct" but I am not sure as I couldn't find an explanation
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