The AIAA has published a Recommended Practice concerning sign conventions, axes systems, and symbolic notation for flight vehicle models [AIAA92 ].
The AIAA Modeling & Simulation Technical Committee has prepared a draft standard for the exchange of simulation modeling data. This included a methodology for accomplishing the gradual standardization of simulation model components, a mechanism for standardizing variable names within math models, and proposed HDF as the data format. [AIAA01 ], [AIAA03]