As we continue to model more complex systems, the validation of dynamical responses has come to the forefront of modeling and simulation. One form of dynamic response is when the output is a function of time. The proper evaluation of functional data over an array of desired input parameters is critical to achieving a robust validation assessment of a simulation model. We extend the correlation analysis (CORA) objective rating system to validate functional data across experimental regions. Functional regression analysis is used to generate surrogate estimations of the system response functions at points within the region where experimental observations are absent. These CORA scores provide a measure of disagreement at each desired parameter configuration. An overall score for model validity is achieved using a weighted linear combination of the individual CORA scores. Finally, an improved CORA size scoring metric is introduced.
Model Validation of Functional Responses Across Experimental Regions Using Functional Regression Extensions to the CORA Objective Rating System
Manuscript received August 14, 2017; final manuscript received February 1, 2018; published online March 5, 2018. Assoc. Editor: Jeffrey E. Bischoff.
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Storm, S. M., Hill, R. R., Pignatiello, J. J., Geoffrey Vining, G., and White, E. D. (March 5, 2018). "Model Validation of Functional Responses Across Experimental Regions Using Functional Regression Extensions to the CORA Objective Rating System." ASME. J. Verif. Valid. Uncert. December 2017; 2(4): 041004. https://doi.org/10.1115/1.4039303
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