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interpolation from cell center to vertices

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Old   August 14, 2003, 16:13
Default interpolation from cell center to vertices
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Zhang
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hi folks. i have a 2d domain with structured grid. in my program, all variables are stored in the cell center. in order to display the results in a general purpose post-processor, i have to interpolate these variables to the cell vertices. any suggestions or reference books? thanks!
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Old   August 17, 2003, 05:04
Default Re: interpolation from cell center to vertices
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thomas
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HI, Some codes ( like FLuent ) have different calculation and post-processor method. These method are Node-based and Cell based-value. thomas
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Old   August 18, 2003, 09:21
Default Re: interpolation from cell center to vertices
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Praveen
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ELEMVIS2 - package for scientific data visualisation Features

Software is designed for visualisation of data obtained for example from Finite Volume method applied on triangular mesh with cell centered data storing.

http://adela.karlin.mff.cuni.cz/~krska/elemvis/

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Old   August 22, 2003, 07:31
Default Re: interpolation from cell center to vertices
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Alexei
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I think the best way is to use multilevel B-splines. They work very well and fast. For details see original paper http://www.postech.ac.kr/~leesy/ftp/tvcg97.pdf

Alexei

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