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I am trying to compare 2D results from CZ2D with 3D results from LCGEN, but I notice differences. Why?

April 26, 2017compare cz2d differences lcgen Notice results

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I am trying to compare 2D results from CZ2D with 3D results from LCGEN, but I notice differences. Why?

1 Answer

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Aside from issues of 3D end effects and assuring equivalent numbers of subsections across cross-sections, considerable care must be taken in the location and number of nodes used in the 3D solution in order to assure that the 2D and 3D boundary conditions match; when properly done, results often agree within a few percent.