Glossary

CGNS

The specific purpose of the CFD General Notation System (CGNS) project is to provide a standard for recording and recovering computer data associated with the numerical solution of the equations of fluid dynamics. Read more here....

CGNS/SIDS

The Standard Interface Data Structure is the specification of the data model. This public document describes the syntax and the semantics of all tree-structured data required or proposed for a CFD simulation. Both an HTML and a PDF version are available here.

CGNS/MLL

The Mid-Level Library is an example implementation of CGNS/SIDS on top of CGNS/ADF and CGNS/HDF5 mappings. This library has a C and a Fortran API.

CGNS/ADF

The Advanced Data Format CGNS/SIDS implementation. A binary storage format and its companion library, developped by Boeing.

CGNS/HDF5

The Hierarchical Data Format CGNS/SIDS implementation. A binary storage format and its companion library (see below).

CGNS/Python

The Python programming language CGNS/SIDS implementation. See the SIDS-to-Python page.

CHLone

A CGNS/HDF5 compliant implementation. The CHLone library is available on SourceForge.

HDF5

A powerful storage system for large data. The HDF5 library should be seen as a middleware system with a lot of powerful features related to efficient, portable and trustable storage mean.

numpy

The numerical library for Python. Numpy is used to store the data in Python arrays which have a direct memory mapping to actual C or Fortran memory.

VTK

A visualization toolkit used to display 3D objects ni CGNS.NAV.

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