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DOE OSTI · 1235219

Feature Extraction for Structural Dynamics Model Validation

Farrar, Charles·Nishio, Mayuko·Hemez, Francois·Stull, Chris·Park, Gyuhae·Cornwell, Phil·Figueiredo, Eloi·Luscher, D. J.·Worden, Keith
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Abstract

As structural dynamics becomes increasingly non-modal, stochastic and nonlinear, finite element model-updating technology must adopt the broader notions of model validation and uncertainty quantification. For example, particular re-sampling procedures must be implemented to propagate uncertainty through a forward calculation, and non-modal features must be defined to analyze nonlinear data sets. The latter topic is the focus of this report, but first, some more general comments regarding the concept of model validation will be discussed.

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97 MATHEMATICS AND COMPUTINGmodel validation structural dynamics numerical modeling experimental measurements

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Farrar, Charles, Nishio, Mayuko, Hemez, Francois, Stull, Chris, Park, Gyuhae, Cornwell, Phil, Figueiredo, Eloi, Luscher, D. J., Worden, Keith. 2016-01-13. Feature Extraction for Structural Dynamics Model Validation. https://doi.org/10.2172/1235219

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