Typically, mechanical test data has been reviewed and processed using a combination of Excel, PDF Viewer, MATLAB, and other tools. TestEVAL provides a central tool for all these tools, and enhances their capability. Having been developed in Python, it is expendable and portable. It uses no proprietary software and an all open-source code base.

TestEVAL was generated to provide a tool for processing and plotting mechanical test data. This tool is used for both handling pre-test planning and post-test processing. The tool provides plotting capability for different data formats such as Nastran xyplot punch files, Excel files, CSV files, MATLAB files, and network communication via pipes. The data can be plotted in linear, log, or semi-log scales. Data can be modified and processed against other data sets to assist in understanding the test responses or predictions. TestEVAL is a graphical user interface application that provides the user with interactive responses to operations.

This work was done by Timothy Carnahan of Goddard Space Flight Center. This software is available for use. For more information about this technology and to explore opportunities, please contact Scott Leonardi at This email address is being protected from spambots. You need JavaScript enabled to view it..

NASA Tech Briefs Magazine

This article first appeared in the July, 2016 issue of NASA Tech Briefs Magazine.

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