Browse Publications Technical Papers 2007-01-3925
2007-09-17

A Software Method for Demonstrating Validation of Computer Dummy Models Used in the Evaluation of Aircraft Seating Systems 2007-01-3925

This paper describes a software system that automates the process of comparing experimental to simulation data. First, it plots all experimental and the numerical signals for direct comparison. A rating of each numerical signal is calculated by comparing peak amplitude values, timing of peak amplitudes, and signal shape information, and expressing the correlation as a scalar. Weighting factors can be applied to each score, which can be used to increase the importance of some, and decrease the importance of other signals. This allows for the evaluation of the model for a specific purpose or loading condition.
A report describing the model validation can be generated automatically. The report contains a description of each test performed, a description of the corresponding simulation model, rating scores, and graphs for each output signal. The report can be used as proof of validation by applicants, either as a Validation and Analysis report as described in Advisory Circular 20-146, or as an appendix to such a report.

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