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Almost simple heat diffusion

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Old   September 11, 2006, 11:40
Default Almost simple heat diffusion
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Hi, I'm trying to work out some heat diffusion (steady) problem with materials that differ by 5 orders of magnitude in heat conductivity coef. and are in contact with each other. Only double precision worked the overall heat ballance out. But it was very, very slow for only 150k tetra mesh (3D). Can somebody suggest something to speed it up. Thank you.

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