Projects / CFD General Notation System

CFD General Notation System

The CFD General Notation System (CGNS) provides a general, portable, and extensible standard for the storage and retrieval of computational fluid dynamics (CFD) analysis data. CGNS is designed to facilitate the exchange of data between sites and applications, and to help stabilize the archiving of aerodynamic data.

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  •  11 Nov 2013 21:47

Release Notes: This release is mostly bugfixes and cleanup.

  •  28 Jul 2012 04:40

Release Notes: ADF relative links and cmake/configure issues were fixed. Functions were added for reading and writing GridLocation data for boundary conditions. CPEX 0027 (Time-dependent Connectivities), CPEX 0030 (Zone Sub-Regions), and CPEX 0031 (General SIDS Improvements) were implemented. A Fortran-specific bug with reading element name strings was fixed. Minor HDF5 bugs were fixed.

  •  01 May 2011 13:34

Release Notes: This version includes 64-bit integer capability. HDF5 is now the default file type when CGNS is built with HDF5 version 1.8 or later. Two new functions were added to more easily read and write GridLocation data for boundary conditions: cg_boco_gridlocation_read and cg_boco_gridlocation_write. Implementations of CPEX 0027 (Time-dependent Connectivities), CPEX 0030 (Zone Sub-Regions), and CPEX 0031 (General SIDS Improvements) were added, along with the alpha release of Parallel CGNS.

  •  26 Mar 2011 07:09

    Release Notes: The build system was switched to CMake. 64-bit support was added. The default is now to use HDF5 for storage.

    No changes have been submitted for this release.

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