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Old   December 2, 1999, 13:11
Default FAST/Visualisation
  #1
Chris Robinson
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I'm looking for a decent (free) visualisation package for analysing 3d data sets which have cell-centred results. I was intending to use FAST but as this uses variables located at the vertices it is posing a few problems (& will probably make handling of the boundaries messy). Any advice on "the best" option for viewing cell centred results would be appreciated. Cheers, Chris.
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Old   December 2, 1999, 14:13
Default Re: FAST/Visualisation
  #2
John C. Chien
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(1). If the mesh is defined by the coordinates of vertices, then the mesh display should be all right. (2). If you labeled the cell center variable in the same way as the mesh, it will be displayed at the corresponding vertex point. For display only purpose, this should be all right, especially if the mesh is fine. (3). Otherwise, you need to use interpolation method to calculate the new display variable at the vertex, to keep the mesh, and the variables together. (4). The other option is to display the variable at the cell center location. In this case, the cell centered mesh has to be created separately. (5). So, it is more reliable to keep everything together, either at the vertex point, or the cell center point. (but for convenience, the cell centered value were routinely displayed at the vertex mesh point. )
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Old   December 2, 1999, 16:47
Default Re: FAST/Visualisation
  #3
Bert Laney
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If you have not already done so, you might try leafing through the list of free CFD graphics programs at http://capella.colorado.edu/~laney/softgraph.htm.
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Old   December 3, 1999, 01:56
Default Re: FAST/Visualisation
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Praveen Chandrashekar
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Try this site.

http://cerca.umontreal.ca/vu This software handles both structured and unstructured grids, and also cell-centered and cell-vertex formats. I found it to be very good.
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