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Brief Description of CGNS

The CFD General Notation System (CGNS) external link is a set of standards, together with software implementing those standards, for the recording of data associated with Computational Fluid Dynamics (CFD). The present document describes the mapping from the Standard Interface Data Structures (SIDS) to a file structure provided by an underlying database manager. Physical data storage is accomplished via a general database manager, either ADF (Advanced Data Format) or HDF (Hierarchical Data Format).