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petr.f. August 20, 2012 09:38

How to convert structured CGNS to unstructured?
Hi all,

is there any way how to convert a structured .cgns file to an unstructured one (just the format of the data, not geometry or mesh topology)? I have tried conversion via ICEM CFD, but it fails...

spitfire August 20, 2012 12:13


Sorry this is not a solution - I have a question for you. I'm trying to generate a unstructured .cgns file too. Can I ask what program you used to create the structured .cgns file and also if you know if there are any open source meshers with the .cgns support - I've really struggled to find one.

petr.f. August 21, 2012 04:25

Hi, I have used the GridPro mesh gen, which produces only structured meshes. Unstructured cgns can be generated in e.g. ICEM CFD or ANSA, which however are not opensource. In fact, I do not know any opensource mesh gen that would do such a job, sorry...

elvis August 25, 2012 09:17

there is a utility to export from OpenFOAM in CGNS

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